blabla/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-G09G.xml

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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="G09G" definition-exists="true" date-revised="2023-02-01" status="published"><classification-symbol>G09G</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION </text><reference><text>lighting in general <class-ref scheme="cpc">F21</class-ref>; arrangements for displaying electric variables or waveforms <class-ref scheme="cpc">G01R3/00</class-ref>; devices or arrangements for the control of light beams <class-ref scheme="cpc">G02F1/00</class-ref>; indicating of time by visual means <class-ref scheme="cpc">G04B19/00</class-ref>, <class-ref scheme="cpc">G04C17/00</class-ref>, <class-ref scheme="cpc">G04G9/00</class-ref>; arrangements for transferring data between computers and peripheral equipment <class-ref scheme="cpc">G06F3/00</class-ref>; visible signalling arrangements or devices <class-ref scheme="cpc">G08B5/00</class-ref>; traffic control systems <class-ref scheme="cpc">G08G</class-ref>; display, advertising, signs <class-ref scheme="cpc">G09F</class-ref>, e.g. static indicating arrangements comprising an association of a number of separate sources or light control cells <class-ref scheme="cpc">G09F9/00</class-ref>; static indicating arrangements comprising integral associations of a number of light sources <class-ref scheme="cpc">H01J</class-ref>, <class-ref scheme="cpc">H01K</class-ref>, <class-ref scheme="cpc">H01L</class-ref>, <class-ref scheme="cpc">H05B33/12</class-ref>; circuits in pulse counters for indicating the result <class-ref scheme="cpc">H03K21/18</class-ref>; coding, decoding or code conversion, in general <class-ref scheme="cpc">H03M</class-ref>; reproducing a picture or pattern using electric signals representing parts thereof and produced by scanning an original <class-ref scheme="cpc">H04N</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u>covers</u> indicator consoles, i.e. arrangements or circuits for processing control signals to achieve the display, e.g. for the calling up, reception, storage, regeneration, coding, decoding, addressing of control signals.</note-paragraph><note-paragraph>This subclass <u>does not cover</u> the structural details of the indicating devices, such as panels or tubes <u>per se</u>, or assemblies of individual light sources, which are covered by the relevant subclasses, e.g. <class-ref scheme="cpc">H01J</class-ref>, <class-ref scheme="cpc">H01K</class-ref>, <class-ref scheme="cpc">H01L</class-ref>, <class-ref scheme="cpc">H10K</class-ref>, <class-ref scheme="cpc">G02F</class-ref>, <class-ref scheme="cpc">G09F</class-ref>, <class-ref scheme="cpc">H05B</class-ref>.</note-paragraph><note-paragraph>Contrary to subclass <class-ref scheme="cpc">H04N</class-ref>, in which are classified display devices capable of representing continuous brightness value scales, this subclass is limited to devices using only a discrete number of brightness values, e.g. visible/non-visible.</note-paragraph><note-paragraph>The visual effect may be produced by a luminescent screen scanned by an electron beam, directly by controlled light sources, by projection of light, from controlled light sources onto characters, symbols, or elements thereof drawn on a support, or by electric, magnetic, or acoustic control of the parameters of light rays from an independent source.</note-paragraph></note><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="G09G1/00" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09G1/00" definition-exists="true" ipc-concordant="G09G1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; </text><CPC-specific-text><text>General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data</text></CPC-specific-text><reference><text>cathode-ray oscilloscopes <class-ref scheme="cpc">G01R13/20</class-ref>; </text><CPC-specific-text><text>radar display arrangements <class-ref scheme="cpc">G01S7/04</class-ref>; display of digital non-picture data in television systems <class-ref scheme="cpc">H04N7/0255</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/002" definition-exists="true" ipc-concordant="G09G1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G1/002</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Intensity circuits </text><reference><text><class-ref scheme="cpc">G09G1/06</class-ref>&#160;-&#160;<class-ref scheme="cpc">G09G1/28</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/005" definition-exists="true" ipc-concordant="G09G1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Power supply circuits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/007" definition-exists="true" ipc-concordant="G09G1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Circuits for displaying split screens</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/02" definition-exists="true" ipc-concordant="G09G1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G1/02</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Storage circuits </text><reference><text><class-ref scheme="cpc">G09G1/06</class-ref>&#160;-&#160;<class-ref scheme="cpc">G09G1/28</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/04" definition-exists="true" ipc-concordant="G09G1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Deflection circuits </text><CPC-specific-text><text>Constructional details not otherwise provided for </text><reference><text>electron-optical arrangements <class-ref scheme="cpc">H01J29/46</class-ref>, <class-ref scheme="cpc">H01J37/04</class-ref>, <class-ref scheme="cpc">H01J37/302</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/06" definition-exists="true" ipc-concordant="G09G1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using single beam tubes </text><reference><text><class-ref scheme="cpc">G09G1/26</class-ref>, <class-ref scheme="cpc">G09G1/28</class-ref> take precedence</text></reference><text>, </text><CPC-specific-text><text>e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows </text><reference><text><class-ref scheme="cpc">G09G1/28</class-ref> takes precedence; stereoscopic TV-systems, details thereof <class-ref scheme="cpc">H04N13/00</class-ref>; oscilloscopes for three-dimensional representation <class-ref scheme="cpc">G01R13/206</class-ref>; vectorscopes <class-ref scheme="cpc">G01R13/208</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G1/07" definition-exists="true" ipc-concordant="G09G1/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with combined raster scan and calligraphic display</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G1/08" definition-exists="true" ipc-concordant="G09G1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the beam directly tracing characters, the information to be displayed controlling the deflection </text><CPC-specific-text><text>and the intensity</text></CPC-specific-text><text> as a function of time in two spatial co-ordinates, e.g. according to a cartesian co-ordinate system</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G1/10" definition-exists="true" ipc-concordant="G09G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the deflection signals being produced by essentially digital means, e.g. incrementally</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G1/12" definition-exists="true" ipc-concordant="G09G1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the deflection signals being produced by essentially analogue means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G1/14" definition-exists="false" ipc-concordant="G09G1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G1/143" definition-exists="true" ipc-concordant="G09G1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Circuits for displaying horizontal and vertical lines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G1/146" definition-exists="true" ipc-concordant="G09G1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flicker reduction circuits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G1/16" definition-exists="true" ipc-concordant="G09G1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G1/162" definition-exists="true" ipc-concordant="G09G1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for displaying digital inputs as analog magnitudes, e.g. curves, bar graphs, coordinate axes, singly or in combination with alpha-numeric characters </text><reference><text>cathode-ray oscilloscopes for displaying analog inputs, singly or in combination with alpha-numeric characters <class-ref scheme="cpc">G01R13/20</class-ref>; television receiver circuitry for displaying supplementary, e.g. alpha-numeric, information <class-ref scheme="cpc">H04N5/445</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G1/165" definition-exists="true" ipc-concordant="G09G1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of a display terminal using a CRT, the details relating to the control arrangement of the display terminal and to the interfaces thereto </text><reference><text>details suitable for both CRT and flat panel <class-ref scheme="cpc">G09G5/003</class-ref>; specific for a flat panel <class-ref scheme="cpc">G09G3/2092</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G1/167" definition-exists="true" ipc-concordant="G09G1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the interface to the display terminal specific for a CRT </text><reference><text>details suitable for both CRT and flat panel <class-ref scheme="cpc">G09G5/006</class-ref>, specific for a flat panel <class-ref scheme="cpc">G09G3/2096</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G1/18" definition-exists="true" ipc-concordant="G09G1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>a small local pattern covering only a single character, and stepping to a position for the following character, e.g. in rectangular or polar co-ordinates, or in the form of a framed star</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/20" definition-exists="true" ipc-concordant="G09G1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using multi-beam tubes </text><reference><text><class-ref scheme="cpc">G09G1/26</class-ref>, <class-ref scheme="cpc">G09G1/28</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/22" definition-exists="true" ipc-concordant="G09G1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using tubes permitting selection of a complete character from a number of characters </text><CPC-specific-text><reference><text>tubes therefor <class-ref scheme="cpc">H01J31/16</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/24" definition-exists="false" ipc-concordant="G09G1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using tubes permitting selection of individual elements forming in combination a character </text><CPC-specific-text><reference><text><u>see</u> provisionally also <class-ref scheme="cpc">G09G1/22</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/26" definition-exists="true" ipc-concordant="G09G1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using storage tubes </text><CPC-specific-text><reference><text>tubes therefor <class-ref scheme="cpc">H01J31/58</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G1/28" definition-exists="true" ipc-concordant="G09G1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using colour tubes </text><CPC-specific-text><reference><text>tubes therefor <class-ref scheme="cpc">H01J31/20</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G1/285" definition-exists="true" ipc-concordant="G09G1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G1/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Interfacing with colour displays, e.g. TV receiver</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09G3/00" definition-exists="true" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-02-01" status="published"><classification-symbol>G09G3/00</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/001" definition-exists="true" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/001</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>using specific devices not provided for in groups <class-ref scheme="cpc">G09G3/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">G09G3/36</class-ref>, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background </text><reference><text>slide projectors <u>per se</u> <class-ref scheme="cpc">G03B23/00</class-ref> = 42 HP</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/002" definition-exists="false" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/003" definition-exists="false" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to produce spatial visual effects</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/004" definition-exists="true" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to give the appearance of moving signs</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/005" definition-exists="false" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>forming an image using a quickly moving array of imaging elements, causing the human eye to perceive an image which has a larger resolution than the array, e.g. an image on a cylinder formed by a rotating line of LEDs parallel to the axis of rotation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/006" definition-exists="true" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays </text><reference><text>testing individual LED&apos;s <class-ref scheme="cpc">G01R31/2635</class-ref>; testing lamps <class-ref scheme="cpc">G01R31/44</class-ref>; testing of optical features of LCD displays <class-ref scheme="cpc">G02F1/1309</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/007" definition-exists="false" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of pixel shift techniques, e.g. by mechanical shift of the physical pixels or by optical shift of the perceived pixels</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/008" definition-exists="false" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>forming an image on an image carrier by relative movement of a writing unit to the image carrier, e.g. on a photoconductive rotating belt, or on an electronic blackboard</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/02" definition-exists="true" ipc-concordant="G09G3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by tracing or scanning a light beam on a screen</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/025" definition-exists="false" ipc-concordant="G09G3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with scanning or deflecting the beams in two directions or dimensions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/03" definition-exists="false" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-02-01" status="published"><classification-symbol>G09G3/03</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>specially adapted for displays having non-planar surfaces, e.g. curved displays</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/035" definition-exists="false" ipc-concordant="G09G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-02-01" status="published"><classification-symbol>G09G3/035</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>for flexible display surfaces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/04" definition-exists="true" ipc-concordant="G09G3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments </text><CPC-specific-text><text>using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/045" definition-exists="true" ipc-concordant="G09G3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selecting complete characters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/06" definition-exists="true" ipc-concordant="G09G3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using controlled light sources</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/08" definition-exists="true" ipc-concordant="G09G3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using incandescent filaments</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/10" definition-exists="true" ipc-concordant="G09G3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gas tubes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/12" definition-exists="true" ipc-concordant="G09G3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G09G3/12</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>using electroluminescent elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/14" definition-exists="true" ipc-concordant="G09G3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G09G3/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Semiconductor devices, e.g. diodes</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/16" definition-exists="true" ipc-concordant="G09G3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by control of light from an independent source</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/18" definition-exists="true" ipc-concordant="G09G3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using liquid crystals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/19" definition-exists="true" ipc-concordant="G09G3/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrochromic devices</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G3/20" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix </text><CPC-specific-text><text>no fixed position being assigned to or needed to be assigned to the individual characters or partial characters</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/2003" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Display of colours </text><reference><text>specific for liquid crystal displays <class-ref scheme="cpc">G09G3/3607</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/2007" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Display of intermediate tones</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/2011" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by amplitude modulation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/2014" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by modulation of the duration of a single pulse during which the logic level remains constant</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/2018" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by time modulation using two or more time intervals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/2022" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using sub-frames</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/2025" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sub-frames having all the same time duration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/2029" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sub-frames having non-binary weights</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/2033" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with splitting one or more sub-frames corresponding to the most significant bits into two or more sub-frames</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/2037" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with specific control of sub-frames corresponding to the least significant bits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/204" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sub-frames being organized in consecutive sub-frame groups</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/2044" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using dithering</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/2048" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with addition of random noise to an image signal or to a gradation threshold</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/2051" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with use of a spatial dither pattern</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/2055" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the pattern being varied in time</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/2059" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2059</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using error diffusion</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/2062" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using error diffusion in time</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/2066" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with error diffusion in both space and time</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/207" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by domain size control </text><reference><text><class-ref scheme="cpc">G09G3/3637</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/2074" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2074</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using sub-pixels</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/2077" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2077</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by a combination of two or more gradation control methods</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/2081" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with combination of amplitude modulation and time modulation </text><reference><text>space and time error diffusion <class-ref scheme="cpc">G09G3/2066</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/2085" definition-exists="false" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/2088" definition-exists="false" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with use of a plurality of processors, each processor controlling a number of individual elements of the matrix</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/2092" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto </text><reference><text>suitable for both CRT and flat panel <class-ref scheme="cpc">G09G5/003</class-ref>; specific for a CRT <class-ref scheme="cpc">G09G1/165</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/2096" definition-exists="true" ipc-concordant="G09G3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the interface to the display terminal specific for a flat panel </text><reference><text>suitable for both CRT and flat panel <class-ref scheme="cpc">G09G5/006</class-ref>; specific for a CRT <class-ref scheme="cpc">G09G1/167</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/22" definition-exists="true" ipc-concordant="G09G3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using controlled light sources</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/24" definition-exists="true" ipc-concordant="G09G3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using incandescent filaments</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/26" definition-exists="true" ipc-concordant="G09G3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to give the appearance of moving signs</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/28" definition-exists="true" ipc-concordant="G09G3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using luminous gas-discharge panels, e.g. plasma panels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/2803" definition-exists="true" ipc-concordant="G09G3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2803</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Display of gradations </text><reference><text><class-ref scheme="cpc">G09G3/288</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/2807" definition-exists="true" ipc-concordant="G09G3/2807" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2807</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with discharge activated by high-frequency signals specially adapted therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/2813" definition-exists="true" ipc-concordant="G09G3/2813" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2813</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using alternating current [AC] - direct current [DC] hybrid-type panels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/282" definition-exists="true" ipc-concordant="G09G3/282" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/282</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using DC panels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/285" definition-exists="true" ipc-concordant="G09G3/285" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/285</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>using self-scanning</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/288" definition-exists="true" ipc-concordant="G09G3/288" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using AC panels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/29" definition-exists="true" ipc-concordant="G09G3/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G09G3/29</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>using self-shift panels </text><CPC-specific-text><text>with sequential transfer of the discharges from an input position to a further display position</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/291" definition-exists="true" ipc-concordant="G09G3/291" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/291</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/292" definition-exists="true" ipc-concordant="G09G3/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/292</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for reset discharge, priming discharge or erase discharge occurring in a phase other than addressing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2922" definition-exists="true" ipc-concordant="G09G3/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2922</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of erasing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2925" definition-exists="true" ipc-concordant="G09G3/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2925</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of priming</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2927" definition-exists="true" ipc-concordant="G09G3/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2927</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of initialising</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/293" definition-exists="true" ipc-concordant="G09G3/293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/293</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for address discharge</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2932" definition-exists="true" ipc-concordant="G09G3/293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2932</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Addressed by writing selected cells that are in an OFF state</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2935" definition-exists="true" ipc-concordant="G09G3/293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2935</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Addressed by erasing selected cells that are in an ON state</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2937" definition-exists="true" ipc-concordant="G09G3/293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2937</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>being addressed only once per frame</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/294" definition-exists="true" ipc-concordant="G09G3/294" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/294</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for lighting or sustain discharge</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2942" definition-exists="true" ipc-concordant="G09G3/294" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2942</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with special waveforms to increase luminous efficiency</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2944" definition-exists="true" ipc-concordant="G09G3/294" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2944</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by varying the frequency of sustain pulses or the number of sustain pulses proportionally in each subfield of the whole frame</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2946" definition-exists="true" ipc-concordant="G09G3/294" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2946</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by introducing variations of the frequency of sustain pulses within a frame or non-proportional variations of the number of sustain pulses in each subfield</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2948" definition-exists="true" ipc-concordant="G09G3/294" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2948</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by increasing the total sustaining time with respect to other times in the frame</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/296" definition-exists="true" ipc-concordant="G09G3/296" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/296</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Driving circuits for producing the waveforms applied to the driving electrodes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/2965" definition-exists="true" ipc-concordant="G09G3/296" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2965</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using inductors for energy recovery</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/297" definition-exists="true" ipc-concordant="G09G3/297" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/297</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using opposed discharge type panels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/298" definition-exists="true" ipc-concordant="G09G3/298" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/298</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using surface discharge panels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/2983" definition-exists="true" ipc-concordant="G09G3/298" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2983</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using non-standard pixel electrode arrangements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/2986" definition-exists="true" ipc-concordant="G09G3/298" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/2986</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with more than 3 electrodes involved in the operation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/299" definition-exists="true" ipc-concordant="G09G3/299" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/299</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using alternate lighting of surface-type panels</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/30" definition-exists="true" ipc-concordant="G09G3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electroluminescent panels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/32" definition-exists="true" ipc-concordant="G09G3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/32</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>semiconductive, e.g. using light-emitting diodes [LED]</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3208" definition-exists="true" ipc-concordant="G09G3/3208" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3208</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>organic, e.g. using organic light-emitting diodes [OLED]</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3216" definition-exists="true" ipc-concordant="G09G3/3216" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3216</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>using a passive matrix</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3225" definition-exists="true" ipc-concordant="G09G3/3225" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3225</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>using an active matrix</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/3233" definition-exists="true" ipc-concordant="G09G3/3233" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3233</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>with pixel circuitry controlling the current through the light-emitting element</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="G09G3/3241" definition-exists="true" ipc-concordant="G09G3/3241" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3241</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="G09G3/325" definition-exists="true" ipc-concordant="G09G3/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/325</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>the data current flowing through the driving transistor during a setting phase, e.g. by using a switch for connecting the driving transistor to the data driver</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/3258" definition-exists="true" ipc-concordant="G09G3/3258" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3258</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>with pixel circuitry controlling the voltage across the light-emitting element</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3266" definition-exists="true" ipc-concordant="G09G3/3266" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3266</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Details of drivers for scan electrodes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3275" definition-exists="true" ipc-concordant="G09G3/3275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3275</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Details of drivers for data electrodes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/3283" definition-exists="true" ipc-concordant="G09G3/3283" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3283</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/3291" definition-exists="true" ipc-concordant="G09G3/3291" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3291</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G3/34" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by control of light from an independent source</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/3406" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-07-01" status="published"><classification-symbol>G09G3/3406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of illumination source </text><reference><text>illumination devices structurally associated with liquid crystal cells <class-ref scheme="cpc">G02F1/1336</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/3413" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3413</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of control of colour illumination sources</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/342" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/342</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3426" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the different display panel areas being distributed in two dimensions, e.g. matrix</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/3433" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices </text><reference><text>using liquid crystal devices <class-ref scheme="cpc">G09G3/36</class-ref>; using electrochromic devices <class-ref scheme="cpc">G09G3/38</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/344" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/344</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on particles moving in a fluid or in a gas, e.g. electrophoretic devices </text><reference><text>electrophoretic devices <u>per se</u> <class-ref scheme="cpc">G02F1/167</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3446" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with more than two electrodes controlling the modulating element</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/3453" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on rotating particles or microelements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/346" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on modulation of the reflection angle, e.g. micromirrors </text><reference><text>micromirrors devices <u>per se</u> <class-ref scheme="cpc">G02B26/0833</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/3466" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on interferometric effect</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/3473" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3473</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on light coupled out of a light guide, e.g. due to scattering, by contracting the light guide with external means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/348" definition-exists="false" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/348</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on the deformation of a fluid drop, e.g. electrowetting</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/3486" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3486</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using light modulating elements actuated by a magnetic field</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/3493" definition-exists="true" ipc-concordant="G09G3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3493</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using light modulating elements actuated by a piezoelectric effect</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/36" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using liquid crystals</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/3603" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3603</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with thermally addressed liquid crystals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/3607" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels </text><reference><text>display of colours in flat matrix panels other than liquid crystal displays <class-ref scheme="cpc">G09G3/2003</class-ref>; grey scales specific for television <class-ref scheme="cpc">H04N3/127</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G3/3611" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3611</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of matrices with row and column drivers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3614" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3614</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of polarity reversal in general</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3618" definition-exists="false" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3618</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic refresh of the display panel using sense/write circuits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3622" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3622</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>using a passive matrix </text><reference><text><class-ref scheme="cpc">G09G3/3674</class-ref>&#160;-&#160;<class-ref scheme="cpc">G09G3/3696</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3625" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3625</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using active addressing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3629" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3629</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using liquid crystals having memory effects, e.g. ferroelectric liquid crystals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/3633" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3633</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with transmission/voltage characteristic comprising multiple loops, e.g. antiferroelectric liquid crystals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/3637" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3637</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with intermediate tones displayed by domain size control </text><reference><text>domain size control in flat matrix panels other than liquid crystal displays having memory effects <class-ref scheme="cpc">G09G3/207</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G09G3/364" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/364</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with use of subpixels</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3644" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3644</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the matrix divided into sections</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3648" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09G3/3648</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>using an active matrix </text><reference><text><class-ref scheme="cpc">G09G3/367</class-ref>&#160;-&#160;<class-ref scheme="cpc">G09G3/3696</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3651" definition-exists="false" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3651</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using multistable liquid crystals, e.g. ferroelectric liquid crystals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3655" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3655</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3659" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3659</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3662" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3662</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using plasma-addressed liquid crystal displays</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3666" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3666</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the matrix divided into sections</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/367" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/367</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a nonlinear element in series with the liquid crystal cell, e.g. a diode, or M.I.M. element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3674" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3674</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of drivers for scan electrodes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3677" definition-exists="false" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3677</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>suitable for active matrices only</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3681" definition-exists="false" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3681</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>suitable for passive matrices only</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3685" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3685</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of drivers for data electrodes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3688" definition-exists="false" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3688</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>suitable for active matrices only</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G09G3/3692" definition-exists="false" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3692</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>suitable for passive matrices only</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09G3/3696" definition-exists="true" ipc-concordant="G09G3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/3696</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Generation of voltages supplied to electrode drivers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G3/38" definition-exists="true" ipc-concordant="G09G3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrochromic devices</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09G5/00" definition-exists="true" ipc-concordant="G09G5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators </text><reference><text>image data processing or generation, in general <class-ref scheme="cpc">G06T</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/001" definition-exists="true" ipc-concordant="G09G5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arbitration of resources in a display system, e.g. control of access to frame buffer by video controller and/or main processor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/003" definition-exists="true" ipc-concordant="G09G5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto </text><reference><text>specific for a CRT <class-ref scheme="cpc">G09G1/165</class-ref>; for a flat panel <class-ref scheme="cpc">G09G3/2092</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/005" definition-exists="true" ipc-concordant="G09G5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adapting incoming signals to the display format of the display terminal</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/006" definition-exists="true" ipc-concordant="G09G5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the interface to the display terminal </text><reference><text>specific for a display terminal using a CRT <class-ref scheme="cpc">G09G1/167</class-ref>; using a flat panel <class-ref scheme="cpc">G09G3/2096</class-ref>; circuits for interfacing with colour displays <class-ref scheme="cpc">G09G5/04</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/008" definition-exists="true" ipc-concordant="G09G5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Clock recovery</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/02" definition-exists="false" ipc-concordant="G09G5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the way in which colour is displayed </text><CPC-specific-text><reference><text>details of colour display specific for CRTs <class-ref scheme="cpc">G09G1/28</class-ref>; specific for flat matrix panels other than liquid crystal displays <class-ref scheme="cpc">G09G3/2003</class-ref>; specific for liquid crystal displays <class-ref scheme="cpc">G09G3/3607</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/022" definition-exists="false" ipc-concordant="G09G5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using memory planes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/024" definition-exists="false" ipc-concordant="G09G5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using colour registers, e.g. to control background, foreground, surface filling </text><reference><text><class-ref scheme="cpc">G09G5/06</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/026" definition-exists="false" ipc-concordant="G09G5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of mixing and/or overlay of colours in general </text><reference><text><class-ref scheme="cpc">G09G5/022</class-ref> and <class-ref scheme="cpc">G09G5/024</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/028" definition-exists="false" ipc-concordant="G09G5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Circuits for converting colour display signals into monochrome display signals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/04" definition-exists="false" ipc-concordant="G09G5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>G09G5/04</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>using circuits for interfacing with colour displays</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/06" definition-exists="false" ipc-concordant="G09G5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using colour palettes, e.g. look-up tables</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/08" definition-exists="false" ipc-concordant="G09G5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cursor circuits</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/10" definition-exists="false" ipc-concordant="G09G5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intensity circuits</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/12" definition-exists="false" ipc-concordant="G09G5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Synchronisation between the display unit and other units, e.g. other display units, video-disc players</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/14" definition-exists="false" ipc-concordant="G09G5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Display of multiple viewports</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/16" definition-exists="false" ipc-concordant="G09G5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Display of right-to-left language</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/18" definition-exists="false" ipc-concordant="G09G5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G09G5/18</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Timing circuits for raster scan displays </text><reference><text>specially adapted for television <class-ref scheme="cpc">H04N</class-ref>  </text><CPC-specific-text><text>; synchronisation between the display unit and other display units, videodisc player <class-ref scheme="cpc">G09G5/12</class-ref></text></CPC-specific-text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/20" definition-exists="false" ipc-concordant="G09G5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Function-generator circuits, e.g. circle generators </text><CPC-specific-text><text>line or curve smoothing circuits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/22" definition-exists="false" ipc-concordant="G09G5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/222" definition-exists="false" ipc-concordant="G09G5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of the character-code memory</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/225" definition-exists="false" ipc-concordant="G09G5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a loadable character generator </text><reference><text>character generators <u>per se</u> <class-ref scheme="cpc">G09G5/24</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/227" definition-exists="false" ipc-concordant="G09G5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Resolution modifying circuits, e.g. variable screen formats, resolution change between memory contents and display screen</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/24" definition-exists="false" ipc-concordant="G09G5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Generation of individual character patterns</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/243" definition-exists="false" ipc-concordant="G09G5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Circuits for displaying proportional spaced characters or for kerning</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/246" definition-exists="false" ipc-concordant="G09G5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of ideographic or arabic-like characters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/26" definition-exists="false" ipc-concordant="G09G5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for modifying the character dimensions, e.g. double width, double height</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/28" definition-exists="false" ipc-concordant="G09G5/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for enhancement of character form, e.g. smoothing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/30" definition-exists="false" ipc-concordant="G09G5/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of display attribute</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/32" definition-exists="false" ipc-concordant="G09G5/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for controlling the display position </text><CPC-specific-text><reference><text><u>see</u> provisionally <class-ref scheme="cpc">G09G5/42</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/34" definition-exists="false" ipc-concordant="G09G5/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rolling or scrolling</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/343" definition-exists="false" ipc-concordant="G09G5/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for systems having a character code-mapped display memory</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/346" definition-exists="false" ipc-concordant="G09G5/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for systems having a bit-mapped display memory</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/36" definition-exists="false" ipc-concordant="G09G5/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/363" definition-exists="false" ipc-concordant="G09G5/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Graphics controllers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/366" definition-exists="false" ipc-concordant="G09G5/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with conversion of CRT control signals to flat panel control signals, e.g. adapting the palette memory</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/37" definition-exists="false" ipc-concordant="G09G5/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/37</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of the operation on graphic patterns </text><reference><text><class-ref scheme="cpc">G09G5/38</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/373" definition-exists="false" ipc-concordant="G09G5/373" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/373</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for modifying the size of the graphic pattern</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/377" definition-exists="false" ipc-concordant="G09G5/377" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/377</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for mixing or overlaying two or more graphic patterns </text><reference><text><class-ref scheme="cpc">G09G5/02</class-ref>, <class-ref scheme="cpc">G09G5/397</class-ref> take precedence</text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/38" definition-exists="false" ipc-concordant="G09G5/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for controlling the display position</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09G5/39" definition-exists="false" ipc-concordant="G09G5/39" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/39</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of the bit-mapped memory</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/391" definition-exists="false" ipc-concordant="G09G5/391" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/391</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Resolution modifying circuits, e.g. variable screen formats</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/393" definition-exists="false" ipc-concordant="G09G5/393" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/393</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for updating the contents of the bit-mapped memory</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/395" definition-exists="false" ipc-concordant="G09G5/395" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/395</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen </text><reference><text><class-ref scheme="cpc">G09G5/399</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09G5/397" definition-exists="false" ipc-concordant="G09G5/397" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/397</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements specially adapted for transferring the contents of two or more bit-mapped memories to the screen simultaneously, e.g. for mixing or overlay </text><reference><text><class-ref scheme="cpc">G09G5/02</class-ref> takes precedence</text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Not complete. See also <class-ref scheme="cpc">G09G5/395</class-ref>, <class-ref scheme="cpc">G09G5/399</class-ref></note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09G5/399" definition-exists="false" ipc-concordant="G09G5/399" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G09G5/399</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>using two or more bit-mapped memories, the operations of which are switched in time, e.g. ping-pong buffers</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/40" definition-exists="false" ipc-concordant="G09G5/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the way in which both a pattern determined by character code and another pattern are displayed simultaneously, or either pattern is displayed selectively, e.g. with character code memory and APA, i.e. all-points-addressable, memory</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09G5/42" definition-exists="false" ipc-concordant="G09G5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G5/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the display of patterns using a display memory without fixed position correspondence between the display memory contents and the display position on the screen</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="G09G230/00" date-revised="2013-01-01" status="published"><classification-symbol>G09G2230/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="G09G230/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2230/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of flat display driving waveforms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="G09G290/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2290/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Indexing scheme relating to details of a display terminal</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="G09G300/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>G09G2300/00</classification-symbol><class-title date-revised="2019-05-01"><title-part><text>Aspects of the constitution of display devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G300/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Composition of display devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Display panel composed of stacked panels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G300/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structural and physical details of display devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/0404" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0404</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Matrix technologies</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0408" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0408</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Integration of the drivers onto the display substrate</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0413" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0413</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of dummy pixels or dummy lines in flat panels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0417" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0417</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special arrangements specific to the use of low carrier mobility technology</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/0421" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0421</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structural details of the set of electrodes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0426" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0426</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Layout of electrodes and connections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/043" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compensation electrodes or other additional electrodes in matrix displays related to distortions or compensation signals, e.g. for modifying TFT threshold voltage in column driver</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0434" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0434</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flat panel display in which a field is applied parallel to the display plane</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/0439" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0439</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pixel structures</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0443" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0443</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with several sub-pixels for the same colour in a pixel, not specifically used to display gradations </text><reference><text><class-ref scheme="cpc">G09G3/364</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G300/0447" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0447</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for multi-domain technique to improve the viewing angle in a liquid crystal display, such as multi-vertical alignment [MVA]</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0452" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0452</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0456" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0456</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a reflective area and a transmissive area combined in one pixel, such as in transflectance pixels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/046" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with an emissive area and a light-modulating area combined in one pixel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0465" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0465</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/0469" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0469</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of the physics of pixel operation</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0473" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0473</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of light emitting or modulating elements having two or more stable states when no power is applied</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0478" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0478</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>related to liquid crystal pixels</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G300/0482" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0482</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of memory effects in nematic liquid crystals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="G09G300/0486" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0486</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cholesteric liquid crystals, including chiral-nematic liquid crystals, with transitions between focal conic, planar, and homeotropic states</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G300/0491" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0491</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of a bi-refringent liquid crystal, optically controlled bi-refringence [OCB] with bend and splay states, or electrically controlled bi-refringence [ECB] for controlling the color</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G300/0495" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>G09G2300/0495</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Use of transitions between isotropic and anisotropic phases in liquid crystals, by voltage controlled deformation of the liquid crystal molecules, as opposed to merely changing the orientation of the molecules as in, e.g. twisted-nematic [TN], vertical-aligned [VA], cholesteric, in-plane, or bi-refringent liquid crystals</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G300/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Passive matrix structure, i.e. with direct application of both column and row voltages to the light emitting or modulating elements, other than LCD or OLED</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G300/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/0804" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0804</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sub-multiplexed active matrix panel, i.e. wherein one active driving circuit is used at pixel level for multiple image producing elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/0809" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0809</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Several active elements per pixel in active matrix panels</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0814" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0814</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>used for selection purposes, e.g. logical AND for partial update</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0819" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0819</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>used for counteracting undesired variations, e.g. feedback or autozeroing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0823" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0823</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>used to establish symmetry in driving, e.g. with polarity inversion</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0828" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0828</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>forming a digital to analog [D/A] conversion circuit</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0833" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0833</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>forming a linear amplifier or follower</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G300/0838" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0838</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with level shifting</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0842" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0842</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>forming a memory circuit, e.g. a dynamic memory with one capacitor</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G300/0847" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0847</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being a dynamic memory without any storage capacitor, i.e. with use of parasitic capacitances as storage elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G300/0852" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0852</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being a dynamic memory with more than one capacitor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G300/0857" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0857</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Static memory circuit, e.g. flip-flop</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G300/0861" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0861</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="G09G300/0866" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0866</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of changes in the pixel supply voltage</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0871" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0871</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with level shifting</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/0876" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0876</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supplementary capacities in pixels having special driving circuits and electrodes instead of being connected to common electrode or ground</text></title-part><title-part><text>Use of additional capacitively coupled compensation electrodes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G300/088" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a non-linear two-terminal element</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0885" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0885</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pixel comprising a non-linear two-terminal element alone in series with each display pixel element</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/089" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/089</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pixel comprising a non-linear two-terminal element in series with each display pixel element, the series comprising also other elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G300/0895" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2300/0895</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having more than one selection line for a two-terminal active matrix LCD, e.g. Lechner and D2R circuits</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="G09G310/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Command of the display device</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G310/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addressing, scanning or driving the display screen or processing steps related thereto</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/0202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addressing of scan or signal lines</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0205" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simultaneous scanning of several lines in flat panels</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G310/0208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using active addressing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G310/021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Double addressing, i.e. scanning two or more lines, e.g. lines 2 and 3</text></title-part><title-part><text>4 and 5, at a time in a first field, followed by scanning two or more lines in another combination, e.g. lines 1 and 2</text></title-part><title-part><text>3 and 4, in a second field</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0213" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0213</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>controlling the sequence of the scanning lines with respect to the patterns to be displayed, e.g. to save power</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0216" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interleaved control phases for different scan lines in the same sub-field, e.g. initialization, addressing and sustaining in plasma displays that are not simultaneous for all scan lines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0218" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0218</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with collection of electrodes in groups for n-dimensional addressing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0221" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with use of split matrices </text><reference><text><class-ref scheme="cpc">G09G3/3644</class-ref> and <class-ref scheme="cpc">G09G3/3666</class-ref> take precedence</text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/0224" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0224</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of interlacing</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0227" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0227</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>related to multiple interlacing, i.e. involving more fields than just one odd field and one even field</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/0229" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0229</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>De-interlacing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/0232" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0232</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special driving of display border areas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/0235" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Field-sequential colour display</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/0237" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0237</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Switching ON and OFF the backlight within one frame</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/024" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Scrolling of light from the illumination source over the display in combination with the scanning of the display screen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/0243" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0243</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of the generation of driving signals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0245" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0245</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Clearing or presetting the whole screen independently of waveforms, e.g. on power-on </text><reference><text><class-ref scheme="cpc">G09G2310/063</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0248" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0248</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Precharge or discharge of column electrodes before or after applying exact column voltages</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0251" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0251</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Precharge or discharge of pixel before applying new pixel voltage</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0254" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0254</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of polarity reversal in general, other than for liquid crystal displays</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G09G310/0256" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0256</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the purpose of reversing the voltage across a light emitting or modulating element within a pixel</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0259" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0259</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with use of an analog or digital ramp generator in the column driver or in the pixel circuit</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/0262" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0262</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>The addressing of the pixel, in a display other than an active matrix LCD, involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependent on signals of two data electrodes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G310/0264" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0264</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of driving circuits</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0267" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0267</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0272" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0272</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of drivers for data electrodes, the drivers communicating data to the pixels by means of a current</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0275" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0278" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0278</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of driving circuits arranged to drive both scan and data electrodes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0281" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0281</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0283" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0283</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement of drivers for different directions of scanning</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0286" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0286</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of a shift registers arranged for use in a driving circuit</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0289" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0289</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of voltage level shifters arranged for use in a driving circuit</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0291" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of output amplifiers or buffers arranged for use in a driving circuit</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0294" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0294</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of sampling or holding circuits arranged for use in a driver for data electrodes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G310/0297" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/0297</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G310/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2310/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Partial updating of the display screen</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/0228" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0228</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Increasing the driving margin in plasma displays</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/0238" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0238</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Improving the black level</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/0242" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compensation of deficiencies in the appearance of colours</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/0252" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0252</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Improving the response speed</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/0257" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reduction of after-image effects</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/0261" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0261</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the context of movement of objects on the screen or movement of the observer relative to the screen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/0266" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reduction of sub-frame artefacts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/0271" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0271</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G320/0276" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0276</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/028" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature compensation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G320/062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjustment of illumination source parameters</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G320/064" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by time modulation of the brightness of the illumination source</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G09G320/0653" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/0653</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or limiting the speed of brightness adjustment of the illumination source</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G09G320/066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2320/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for control of contrast</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G380/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2380/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biomedical applications</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G380/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2380/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Automotive applications</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G380/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2380/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Avionics applications</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G380/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2380/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electronic books and readers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G09G380/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09G2380/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Digital picture frames</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme>