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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-G01P.xml

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<?xml version="1.0" encoding="UTF-8"?>
<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="G01P" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>G01P</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK</text></title-part><title-part><text>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT </text><reference><text>measuring or recording blood flow <class-ref scheme="cpc">A61B5/02</class-ref>, <class-ref scheme="cpc">A61B8/06</class-ref>; monitoring speed or deceleration of electrically-propelled vehicles <class-ref scheme="cpc">B60L3/00</class-ref>; vehicle lighting systems adapted to indicate speed <class-ref scheme="cpc">B60Q1/54</class-ref>; determining position or course in navigation, measuring ground distance in geodesy or surveying <class-ref scheme="cpc">G01C</class-ref>; combined measuring devices for measuring two or more variables of movement <class-ref scheme="cpc">G01C23/00</class-ref>; measuring velocity of sound <class-ref scheme="cpc">G01H</class-ref>; measuring velocity of light <class-ref scheme="cpc">G01J7/00</class-ref>; measuring direction or velocity of solid objects by reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, <class-ref scheme="cpc">G01S</class-ref>; measuring speed of nuclear radiation <class-ref scheme="cpc">G01T</class-ref>; measuring acceleration of gravity <class-ref scheme="cpc">G01V</class-ref>; </text><CPC-specific-text><text>measuring or recording the speed of trains <class-ref scheme="cpc">B61L23/00</class-ref>; speed indicators incorporated in motor vehicles <class-ref scheme="cpc">B60K35/00</class-ref>; measuring frequency or phase <class-ref scheme="cpc">G01R</class-ref>; traffic control <class-ref scheme="cpc">G08G</class-ref></text></CPC-specific-text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u>covers</u> measuring direction or velocity of flowing fluids using propagation effects of radiowaves or other waves caused in the fluid itself, e.g. by laser anemometer, by ultrasonic flowmeter with &quot;sing-around-system&quot;.</note-paragraph><note-paragraph>Attention is drawn to the Notes following the title of class <class-ref scheme="cpc">G01</class-ref>.</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="G01P1/00" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01P1/00" definition-exists="true" ipc-concordant="G01P1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of instruments</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P1/003" definition-exists="false" ipc-concordant="G01P1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>used for damping</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="G01P1/006" definition-exists="false" ipc-concordant="G01P1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>used for thermal compensation</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="G01P1/02" definition-exists="true" ipc-concordant="G01P1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Housings</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P1/023" definition-exists="true" ipc-concordant="G01P1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for acceleration measuring devices</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="G01P1/026" definition-exists="false" ipc-concordant="G01P1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for speed measuring devices, e.g. pulse generator</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="G01P1/04" definition-exists="true" ipc-concordant="G01P1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special adaptations of driving means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P1/06" definition-exists="false" ipc-concordant="G01P1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>G01P1/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Indicating or recording devices, e.g. for remote indication </text><reference><text>indicating or recording in general <class-ref scheme="cpc">G01D</class-ref>; registering or indicating working conditions of vehicles <class-ref scheme="cpc">G07C5/00</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="G01P1/07" definition-exists="false" ipc-concordant="G01P1/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01P1/07</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Indicating devices, e.g. for remote indication </text><reference><text>indicating working conditions of vehicles <class-ref scheme="cpc">G07C5/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P1/08" definition-exists="false" ipc-concordant="G01P1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P1/10" definition-exists="false" ipc-concordant="G01P1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for indicating predetermined speeds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01P1/103" definition-exists="false" ipc-concordant="G01P1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by comparing the value of the measured signal with one or several reference values </text><reference><text>in general <class-ref scheme="cpc">G01R17/00</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="G01P1/106" definition-exists="false" ipc-concordant="G01P1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by comparing the time duration between two impulses with a reference time</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="G01P1/11" definition-exists="false" ipc-concordant="G01P1/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by the detection of the position of the indicator needle</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P1/12" definition-exists="false" ipc-concordant="G01P1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Recording devices </text><reference><text>indicating working conditions of vehicles <class-ref scheme="cpc">G07C5/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P1/122" definition-exists="true" ipc-concordant="G01P1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Speed recorders</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P1/125" definition-exists="false" ipc-concordant="G01P1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with recording discs</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="G01P1/127" definition-exists="false" ipc-concordant="G01P1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for acceleration values</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="G01P1/14" definition-exists="false" ipc-concordant="G01P1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for permanent recording </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G01P1/125</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="G01P1/16" definition-exists="false" ipc-concordant="G01P1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for erasable recording, e.g. magnetic recording</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="G01P3/00" definition-exists="true" ipc-concordant="G01P3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01P3/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Measuring linear or angular speed</text></title-part><title-part><text>Measuring differences of linear or angular speeds </text><reference><text><class-ref scheme="cpc">G01P5/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">G01P11/00</class-ref> take precedence; </text><CPC-specific-text><text>direction and speed indication <class-ref scheme="cpc">G01P13/045</class-ref></text></CPC-specific-text><text>; counting mechanisms <class-ref scheme="cpc">G06M</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>The sub-groups of this group are distinguished by the method of measurement which is of major importance. Thus the mere application of other methods for giving a final indication does not affect the classification.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P3/02" definition-exists="false" ipc-concordant="G01P3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices characterised by the use of mechanical means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/04" definition-exists="false" ipc-concordant="G01P3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by comparing two speeds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/06" definition-exists="false" ipc-concordant="G01P3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a friction gear</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/08" definition-exists="false" ipc-concordant="G01P3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using differential gearing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/10" definition-exists="false" ipc-concordant="G01P3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by actuating an indicating element, e.g. pointer, for a fixed time</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/12" definition-exists="false" ipc-concordant="G01P3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by making use of a system excited by impact</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/14" definition-exists="false" ipc-concordant="G01P3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by exciting one or more mechanical resonance systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/16" definition-exists="false" ipc-concordant="G01P3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using centrifugal forces of solid masses </text><CPC-specific-text><reference><text>governors <class-ref scheme="cpc">G05D13/10</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="G01P3/18" definition-exists="false" ipc-concordant="G01P3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>transferred to the indicator by mechanical means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/20" definition-exists="false" ipc-concordant="G01P3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>transferred to the indicator by fluid means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/22" definition-exists="false" ipc-concordant="G01P3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>transferred to the indicator by electric or magnetic 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="G01P3/24" definition-exists="false" ipc-concordant="G01P3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using friction effects </text><reference><text><class-ref scheme="cpc">G01P3/06</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P3/26" definition-exists="false" ipc-concordant="G01P3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices characterised by the use of fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/263" definition-exists="true" ipc-concordant="G01P3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using fluidic impulse generators</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="G01P3/266" definition-exists="true" ipc-concordant="G01P3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a vortex chamber</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="G01P3/28" definition-exists="false" ipc-concordant="G01P3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using pumps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/30" definition-exists="false" ipc-concordant="G01P3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using centrifugal forces of fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/32" definition-exists="false" ipc-concordant="G01P3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a rotary container communicating with a fixed container</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/34" definition-exists="false" ipc-concordant="G01P3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using friction effects</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P3/36" definition-exists="true" ipc-concordant="G01P3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices characterised by the use of optical means, e.g. using infra-red, visible, or ultra-violet light </text><reference><text><class-ref scheme="cpc">G01P3/68</class-ref> takes precedence; gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams <class-ref scheme="cpc">G01C19/64</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/363" definition-exists="false" ipc-concordant="G01P3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>G01P3/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a ring laser </text><reference><text>ring lasers in general <class-ref scheme="cpc">H01S3/083</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="G01P3/366" definition-exists="true" ipc-concordant="G01P3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using diffraction of light </text><reference><text>for measuring speed of fluids <class-ref scheme="cpc">G01P5/26</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="G01P3/38" definition-exists="false" ipc-concordant="G01P3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using photographic means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/40" definition-exists="false" ipc-concordant="G01P3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using stroboscopic means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P3/42" definition-exists="false" ipc-concordant="G01P3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices characterised by the use of electric or magnetic means </text><reference><text><class-ref scheme="cpc">G01P3/66</class-ref> takes precedence; measuring electric or magnetic values in general <class-ref scheme="cpc">G01R</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/44" definition-exists="true" ipc-concordant="G01P3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring angular speed </text><reference><text><class-ref scheme="cpc">G01P3/56</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="G01P3/443" definition-exists="true" ipc-concordant="G01P3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/443</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mounted in bearings </text><reference><text>bearings <class-ref scheme="cpc">F16C</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="G01P3/446" definition-exists="false" ipc-concordant="G01P3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mounted between two axially spaced rows of rolling elements</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="G01P3/46" definition-exists="false" ipc-concordant="G01P3/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring amplitude of generated current or voltage </text><CPC-specific-text><reference><text>in general <class-ref scheme="cpc">G01R19/00</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="G01P3/465" definition-exists="false" ipc-concordant="G01P3/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/465</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using dynamo-electro tachometers or electric generator</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="G01P3/48" definition-exists="true" ipc-concordant="G01P3/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01P3/48</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by measuring frequency of generated current or voltage </text><CPC-specific-text><reference><text>in general <class-ref scheme="cpc">G01R23/00</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="G01P3/4802" definition-exists="true" ipc-concordant="G01P3/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/4802</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using electronic circuits in general</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/4805" definition-exists="false" ipc-concordant="G01P3/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/4805</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using circuits for the electrical integration of the generated pulses </text><reference><text>measuring impulse frequency by integration <class-ref scheme="cpc">G01R23/09</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/4807" definition-exists="false" ipc-concordant="G01P3/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/4807</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using circuits for the detection of the pulses delivered by the ignition system of an internal combustion engine</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="G01P3/481" definition-exists="true" ipc-concordant="G01P3/481" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/481</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of pulse signals</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/4815" definition-exists="false" ipc-concordant="G01P3/481" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/4815</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a pulse wire sensor, e.g. Wiegand wire</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="G01P3/482" definition-exists="false" ipc-concordant="G01P3/482" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/482</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>delivered by nuclear radiation detectors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/483" definition-exists="false" ipc-concordant="G01P3/483" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/483</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>delivered by variable capacitance detectors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/484" definition-exists="false" ipc-concordant="G01P3/484" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/484</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>delivered by contact-making switches</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/486" definition-exists="true" ipc-concordant="G01P3/486" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/486</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>delivered by photo-electric detectors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/487" definition-exists="true" ipc-concordant="G01P3/487" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/487</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>delivered by rotating magnets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/488" definition-exists="true" ipc-concordant="G01P3/488" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/488</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>delivered by variable reluctance detectors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/489" definition-exists="true" ipc-concordant="G01P3/489" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/489</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Digital circuits therefor</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="G01P3/49" definition-exists="true" ipc-concordant="G01P3/49" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/49</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using eddy currents</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01P3/495" definition-exists="false" ipc-concordant="G01P3/495" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/495</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>where the indicating means responds to forces produced by the eddy currents and the generating magnetic field</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/4953" definition-exists="false" ipc-concordant="G01P3/495" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/4953</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a counter for the covered distance incorporated </text><reference><text>measuring the covered distance <class-ref scheme="cpc">G01C22/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01P3/4956" definition-exists="false" ipc-concordant="G01P3/495" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/4956</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with thermal compensation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/50" definition-exists="false" ipc-concordant="G01P3/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring linear speed </text><reference><text><class-ref scheme="cpc">G01P3/56</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="G01P3/505" definition-exists="false" ipc-concordant="G01P3/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/505</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using eddy currents</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="G01P3/52" definition-exists="false" ipc-concordant="G01P3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring amplitude of generated current or voltage</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/54" definition-exists="false" ipc-concordant="G01P3/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring frequency of generated current or voltage</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/56" definition-exists="false" ipc-concordant="G01P3/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for comparing two speeds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/565" definition-exists="false" ipc-concordant="G01P3/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/565</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring or by comparing the phase of generated current or voltage </text><reference><text>phase comparators <u>per se</u> <class-ref scheme="cpc">H03D13/00</class-ref>; phase measurement <class-ref scheme="cpc">G01R25/00</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="G01P3/58" definition-exists="false" ipc-concordant="G01P3/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring or comparing amplitudes of generated currents or voltage </text><CPC-specific-text><reference><text>amplitude comparators <class-ref scheme="cpc">H03K5/24</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="G01P3/60" definition-exists="false" ipc-concordant="G01P3/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring or comparing frequency of generated currents or voltages </text><CPC-specific-text><reference><text>frequency comparators <class-ref scheme="cpc">H03K5/26</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="8" additional-only="false" sort-key="G01P3/62" definition-exists="true" ipc-concordant="G01P3/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices characterised by the determination or the variation of atmospheric pressure with height to measure the vertical components of speed </text><reference><text>measuring pressure in general <class-ref scheme="cpc">G01L</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P3/64" definition-exists="true" ipc-concordant="G01P3/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices characterised by the determination of the time taken to traverse a fixed distance</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P3/66" definition-exists="false" ipc-concordant="G01P3/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electric or magnetic means </text><reference><text><class-ref scheme="cpc">G01P3/80</class-ref> takes precedence; measuring short time intervals <class-ref scheme="cpc">G04F8/00</class-ref>, <class-ref scheme="cpc">G04F10/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/665" definition-exists="false" ipc-concordant="G01P3/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/665</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for projectile velocity measurements</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="G01P3/68" definition-exists="false" ipc-concordant="G01P3/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01P3/68</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>using optical means, i.e. using infra-red, visible, or ultra-violet light </text><reference><text><class-ref scheme="cpc">G01P3/80</class-ref> takes precedence </text><CPC-specific-text><text>; by reflection of waves <class-ref scheme="cpc">G01S17/58</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/685" definition-exists="false" ipc-concordant="G01P3/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/685</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for projectile velocity measurements</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="G01P3/80" definition-exists="false" ipc-concordant="G01P3/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using auto-correlation or cross-correlation detection means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P3/803" definition-exists="false" ipc-concordant="G01P3/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/803</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in devices of the type to be classified in <class-ref scheme="cpc">G01P3/66</class-ref></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="G01P3/806" definition-exists="false" ipc-concordant="G01P3/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P3/806</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in devices of the type to be classified in <class-ref scheme="cpc">G01P3/68</class-ref></text></CPC-specific-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="G01P5/00" definition-exists="true" ipc-concordant="G01P5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring speed of fluids, e.g. of air stream</text></title-part><title-part><text>Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft </text><reference><text>application of speed-measuring devices for measuring volume of fluid <class-ref scheme="cpc">G01F</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P5/001" definition-exists="true" ipc-concordant="G01P5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Full-field flow measurement, e.g. determining flow velocity and direction in a whole region at the same time, flow visualisation</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="G01P5/003" definition-exists="false" ipc-concordant="G01P5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring fluid level in front of an obstacle</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="G01P5/005" definition-exists="false" ipc-concordant="G01P5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a jet directed into the fluid</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P5/006" definition-exists="false" ipc-concordant="G01P5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the jet used is composed of ionised or radioactive particles</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="G01P5/008" definition-exists="false" ipc-concordant="G01P5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using an electrolyte added to the fluid</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="G01P5/01" definition-exists="false" ipc-concordant="G01P5/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using swirlflowmeter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P5/02" definition-exists="false" ipc-concordant="G01P5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring forces exerted by the fluid on solid bodies, e.g. anemometer</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P5/04" definition-exists="false" ipc-concordant="G01P5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using deflection of baffle-plates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P5/06" definition-exists="false" ipc-concordant="G01P5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using rotation of vanes </text><reference><text>measuring speed of rotating shafts <class-ref scheme="cpc">G01P3/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P5/065" definition-exists="false" ipc-concordant="G01P5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mechanical coupling to the indicating device</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="G01P5/07" definition-exists="false" ipc-concordant="G01P5/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with electrical coupling to the indicating device</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="G01P5/08" definition-exists="false" ipc-concordant="G01P5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P5/083" definition-exists="false" ipc-concordant="G01P5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using electronic circuits for measuring the dynamoelectric effect</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="G01P5/086" definition-exists="false" ipc-concordant="G01P5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using special arrangements and constructions for measuring the dynamo-electric effect</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="G01P5/10" definition-exists="false" ipc-concordant="G01P5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring thermal variables</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P5/12" definition-exists="false" ipc-concordant="G01P5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using variation of resistance of a heated conductor</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P5/14" definition-exists="false" ipc-concordant="G01P5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring differences of pressure in the fluid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P5/16" definition-exists="false" ipc-concordant="G01P5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01P5/16</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>using Pitot tubes </text><CPC-specific-text><text>, e.g. Machmeter</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P5/165" definition-exists="false" ipc-concordant="G01P5/165" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements or constructions of Pitot tubes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P5/17" definition-exists="false" ipc-concordant="G01P5/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coupling arrangements to the indicating device</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01P5/175" definition-exists="false" ipc-concordant="G01P5/175" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/175</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the determination of Mach number </text><reference><text>analogue computers therefor <class-ref scheme="cpc">G06G7/57</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P5/18" definition-exists="false" ipc-concordant="G01P5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring the time taken to traverse a fixed distance</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P5/20" definition-exists="false" ipc-concordant="G01P5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using particles entrained by a fluid stream </text><reference><text><class-ref scheme="cpc">G01P5/22</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P5/22" definition-exists="true" ipc-concordant="G01P5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using auto-correlation or cross-correlation detection means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P5/24" definition-exists="true" ipc-concordant="G01P5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P5/241" definition-exists="false" ipc-concordant="G01P5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using reflection of acoustical waves, i.e. Doppler-effect</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P5/242" definition-exists="false" ipc-concordant="G01P5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving continuous, e.g. modulated or unmodulated, waves </text><reference><text><class-ref scheme="cpc">G01P5/244</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="G01P5/244" definition-exists="false" ipc-concordant="G01P5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving pulsed waves</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="G01P5/245" definition-exists="false" ipc-concordant="G01P5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring transit time of acoustical waves </text><reference><text>measuring propagation velocity of acoustical waves <u>per se</u> <class-ref scheme="cpc">G01H5/00</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="G01P5/247" definition-exists="false" ipc-concordant="G01P5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sing-around-systems</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="G01P5/248" definition-exists="false" ipc-concordant="G01P5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring phase differences</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="G01P5/26" definition-exists="true" ipc-concordant="G01P5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P5/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01P7/00" definition-exists="true" ipc-concordant="G01P7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring speed by integrating acceleration </text><reference><text>measuring travelled distance by double integration of acceleration <class-ref scheme="cpc">G01C21/16</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01P9/00" definition-exists="true" ipc-concordant="G01C19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="frozen"><classification-symbol>G01P9/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Measuring speed by using gyroscopic effect, e.g. using gas, using electron beam </text><reference><text>gyroscopes or turn-sensitive devices <u>per se</u> <class-ref scheme="cpc">G01C19/00</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph><br/>Absolute angular speed sensors are classified under <class-ref scheme="cpc">G01C19/00</class-ref> and s.gr.</note-paragraph></note><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G01P9/00</class-ref> is no longer used for the classification of documents as of <reclassification-date>2022-01-01</reclassification-date>. The content of this group is being reclassified into groups <class-ref scheme="cpc">G01C19/005</class-ref>, <class-ref scheme="cpc">G01C19/065</class-ref>, <class-ref scheme="cpc">G01C21/16</class-ref>, <class-ref scheme="cpc">G01C21/165</class-ref>, <class-ref scheme="cpc">G01C21/1652</class-ref>, <class-ref scheme="cpc">G01C21/1654</class-ref>, <class-ref scheme="cpc">G01C21/1656</class-ref>, <class-ref scheme="cpc">G01C21/166</class-ref>, <class-ref scheme="cpc">G01C21/18</class-ref>, <class-ref scheme="cpc">G01C21/183</class-ref>, <class-ref scheme="cpc">G01C21/185</class-ref> and <class-ref scheme="cpc">G01C21/188</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P9/02" definition-exists="false" ipc-concordant="G01C19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="frozen"><classification-symbol>G01P9/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>using rotary gyroscopes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G01P9/02</class-ref> is no longer used for the classification of documents as of <reclassification-date>2022-01-01</reclassification-date>. The content of this group is being reclassified into groups <class-ref scheme="cpc">G01C19/005</class-ref>, <class-ref scheme="cpc">G01C19/02</class-ref>, <class-ref scheme="cpc">G01C19/025</class-ref>, <class-ref scheme="cpc">G01C19/04</class-ref>, <class-ref scheme="cpc">G01C19/06</class-ref>, <class-ref scheme="cpc">G01C19/065</class-ref>, <class-ref scheme="cpc">G01C19/08</class-ref>, <class-ref scheme="cpc">G01C19/10</class-ref>, <class-ref scheme="cpc">G01C19/12</class-ref>, <class-ref scheme="cpc">G01C19/14</class-ref>, <class-ref scheme="cpc">G01C19/16</class-ref>, <class-ref scheme="cpc">G01C19/18</class-ref>, <class-ref scheme="cpc">G01C19/20</class-ref>, <class-ref scheme="cpc">G01C19/22</class-ref>, <class-ref scheme="cpc">G01C19/24</class-ref>, <class-ref scheme="cpc">G01C19/26</class-ref>, <class-ref scheme="cpc">G01C19/28</class-ref>, <class-ref scheme="cpc">G01C19/30</class-ref>, <class-ref scheme="cpc">G01C19/32</class-ref>, <class-ref scheme="cpc">G01C19/34</class-ref>, <class-ref scheme="cpc">G01C19/36</class-ref>, <class-ref scheme="cpc">G01C19/38</class-ref>, <class-ref scheme="cpc">G01C19/40</class-ref>, <class-ref scheme="cpc">G01C19/42</class-ref>, <class-ref scheme="cpc">G01C19/44</class-ref>, <class-ref scheme="cpc">G01C19/46</class-ref>, <class-ref scheme="cpc">G01C19/48</class-ref>, <class-ref scheme="cpc">G01C19/50</class-ref>, <class-ref scheme="cpc">G01C19/52</class-ref>, <class-ref scheme="cpc">G01C19/54</class-ref>, <class-ref scheme="cpc">G01C21/16</class-ref>, <class-ref scheme="cpc">G01C21/165</class-ref>, <class-ref scheme="cpc">G01C21/1652</class-ref>, <class-ref scheme="cpc">G01C21/1654</class-ref>, <class-ref scheme="cpc">G01C21/1656</class-ref>, <class-ref scheme="cpc">G01C21/166</class-ref>, <class-ref scheme="cpc">G01C21/18</class-ref>, <class-ref scheme="cpc">G01C21/183</class-ref>, <class-ref scheme="cpc">G01C21/185</class-ref> and <class-ref scheme="cpc">G01C21/188</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P9/04" definition-exists="false" ipc-concordant="G01C19/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="frozen"><classification-symbol>G01P9/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>using turn-sensitive devices with vibrating masses, e.g. tuning-fork</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G01P9/04</class-ref> is no longer used for the classification of documents as of <reclassification-date>2022-01-01</reclassification-date>. The content of this group is being reclassified into groups <class-ref scheme="cpc">G01C19/005</class-ref>, <class-ref scheme="cpc">G01C19/56</class-ref>, <class-ref scheme="cpc">G01C19/5607</class-ref>, <class-ref scheme="cpc">G01C19/5614</class-ref>, <class-ref scheme="cpc">G01C19/5621</class-ref>, <class-ref scheme="cpc">G01C19/5628</class-ref>, <class-ref scheme="cpc">G01C19/5635</class-ref>, <class-ref scheme="cpc">G01C19/5642</class-ref>, <class-ref scheme="cpc">G01C19/5649</class-ref>, <class-ref scheme="cpc">G01C19/5656</class-ref>, <class-ref scheme="cpc">G01C19/5663</class-ref>, <class-ref scheme="cpc">G01C19/567</class-ref>, <class-ref scheme="cpc">G01C19/5677</class-ref>, <class-ref scheme="cpc">G01C19/5684</class-ref>, <class-ref scheme="cpc">G01C19/5691</class-ref>, <class-ref scheme="cpc">G01C19/5698</class-ref>, <class-ref scheme="cpc">G01C19/5705</class-ref>, <class-ref scheme="cpc">G01C19/5712</class-ref>, <class-ref scheme="cpc">G01C19/5719</class-ref>, <class-ref scheme="cpc">G01C19/5726</class-ref>, <class-ref scheme="cpc">G01C19/5733</class-ref>, <class-ref scheme="cpc">G01C19/574</class-ref>, <class-ref scheme="cpc">G01C19/5747</class-ref>, <class-ref scheme="cpc">G01C19/5755</class-ref>, <class-ref scheme="cpc">G01C19/5762</class-ref>, <class-ref scheme="cpc">G01C19/5769</class-ref>, <class-ref scheme="cpc">G01C19/5776</class-ref>, <class-ref scheme="cpc">G01C19/5783</class-ref>, <class-ref scheme="cpc">G01C21/16</class-ref>, <class-ref scheme="cpc">G01C21/165</class-ref>, <class-ref scheme="cpc">G01C21/1652</class-ref>, <class-ref scheme="cpc">G01C21/1654</class-ref>, <class-ref scheme="cpc">G01C21/1656</class-ref>, <class-ref scheme="cpc">G01C21/166</class-ref>, <class-ref scheme="cpc">G01C21/18</class-ref>, <class-ref scheme="cpc">G01C21/183</class-ref>, <class-ref scheme="cpc">G01C21/185</class-ref> and <class-ref scheme="cpc">G01C21/188</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01P11/00" definition-exists="true" ipc-concordant="G01P11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring average value of speed </text><reference><text>by determining time taken to traverse a fixed distance <class-ref scheme="cpc">G01P3/64</class-ref>, <class-ref scheme="cpc">G01P5/18</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P11/02" definition-exists="false" ipc-concordant="G01P11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring average speed of number of bodies, e.g. of vehicles for traffic control</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01P13/00" definition-exists="true" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Indicating or recording presence, absence, or direction, of movement </text><reference><text>electric switches <class-ref scheme="cpc">H01H</class-ref>; counting moving objects <class-ref scheme="cpc">G06M7/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P13/0006" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of fluids or of granulous or powder-like substances</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P13/0013" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a solid body which is shifted by the action of the fluid</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P13/002" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrical coupling to the indicating devices</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="G01P13/0026" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using deflection of baffle-plates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P13/0033" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrical coupling to the indicating device</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="G01P13/004" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using the rotation of vanes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P13/0046" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrical coupling to the indicating device</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="G01P13/0053" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using dynamo-electric effect</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="G01P13/006" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using thermal variables</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="G01P13/0066" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using differences of pressure in the fluid</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="G01P13/0073" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using vibrations generated by the fluid</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="G01P13/008" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a window mounted in the fluid carrying tube </text><reference><text><class-ref scheme="cpc">G01P13/0013</class-ref>, <class-ref scheme="cpc">G01P13/0026</class-ref>, <class-ref scheme="cpc">G01P13/004</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P13/0086" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with photo-electric detection</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="G01P13/0093" definition-exists="false" ipc-concordant="G01P13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by making use of products, e.g. chemical products added to the fluid in order to make the fluid flow visible</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="G01P13/02" definition-exists="true" ipc-concordant="G01P13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Indicating direction only, e.g. by weather vane</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P13/025" definition-exists="false" ipc-concordant="G01P13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>indicating air data, i.e. flight variables of an aircraft, e.g. angle of attack, side slip, shear, yaw</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="G01P13/04" definition-exists="false" ipc-concordant="G01P13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P13/045" definition-exists="false" ipc-concordant="G01P13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P13/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with speed indication</text></CPC-specific-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="G01P15/00" definition-exists="true" ipc-concordant="G01P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring acceleration</text></title-part><title-part><text>Measuring deceleration</text></title-part><title-part><text>Measuring shock, i.e. sudden change of acceleration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P15/001" definition-exists="true" ipc-concordant="G01P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring acceleration changes by making use of a triple differentiation of a displacement signal</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="G01P15/003" definition-exists="true" ipc-concordant="G01P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Kinematic accelerometers, i.e. measuring acceleration in relation to an external reference frame, e.g. Ferratis accelerometers </text><reference><text><class-ref scheme="cpc">G01P15/001</class-ref>, <class-ref scheme="cpc">G01P15/16</class-ref>, <class-ref scheme="cpc">G01P15/165</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P15/005" definition-exists="false" ipc-concordant="G01P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measuring translational acceleration</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="G01P15/006" definition-exists="false" ipc-concordant="G01P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by making use of fluid seismic masses</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P15/008" definition-exists="true" ipc-concordant="G01P15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using thermal pick-up</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="G01P15/02" definition-exists="false" ipc-concordant="G01P15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by making use of inertia forces </text><CPC-specific-text><text>using solid seismic masses</text></CPC-specific-text><reference><text><class-ref scheme="cpc">G01P15/14</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P15/03" definition-exists="false" ipc-concordant="G01P15/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using non-electrical means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P15/032" definition-exists="false" ipc-concordant="G01P15/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring the displacement of a movable inertial mass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01P15/034" definition-exists="false" ipc-concordant="G01P15/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for indicating angular accelerations </text><reference><text><class-ref scheme="cpc">G01P15/036</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="G01P15/036" definition-exists="false" ipc-concordant="G01P15/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for indicating predetermined acceleration values</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="G01P15/038" definition-exists="true" ipc-concordant="G01P15/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using fluidic means</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="G01P15/04" definition-exists="false" ipc-concordant="G01P15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for indicating maximum value</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P15/06" definition-exists="true" ipc-concordant="G01P15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using members subjected to a permanent deformation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P15/08" definition-exists="true" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with conversion into electric or magnetic values</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P15/0802" definition-exists="true" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0802</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01P15/0805" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0805</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0808" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0808</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for defining in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="G01P15/0811" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0811</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for one single degree of freedom of movement of the mass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="G01P15/0814" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0814</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for translational movement of the mass, e.g. shuttle type</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="G01P15/0817" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0817</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for pivoting movement of the mass, e.g. in-plane pendulum</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="G01P15/082" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for two degrees of freedom of movement of a single mass</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0822" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0822</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for defining out-of-plane movement of the mass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="G01P15/0825" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0825</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for one single degree of freedom of movement of the mass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="G01P15/0828" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0828</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the mass being of the paddle type being suspended at one of its longitudinal ends</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="G01P15/0831" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0831</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the mass being of the paddle type having the pivot axis between the longitudinal ends of the mass, e.g. see-saw configuration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="G01P15/0834" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0834</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the mass constituting a pendulum having the pivot axis disposed symmetrically between the longitudinal ends, the center of mass being shifted away from the plane of the pendulum which includes the pivot axis</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="G01P15/0837" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0837</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the mass being suspended so as to only allow movement perpendicular to the plane of the substrate, i.e. z-axis sensor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="G01P15/084" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the mass being suspended at more than one of its sides, e.g. membrane-type suspension, so as to permit multi-axis movement of the mass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="G01P15/0842" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0842</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the mass being of clover leaf shape</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0845" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0845</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a plurality of spring-mass systems being arranged on one common planar substrate, the systems not being mechanically coupled and the sensitive direction of each system being different</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0848" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0848</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a plurality of mechanically coupled spring-mass systems, the sensitive direction of each system being different</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0851" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0851</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a plurality of spring-mass systems, each system having a different range of sensitivity to acceleration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0854" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0854</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a particular shape of the mass, e.g. annular</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0857" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0857</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a particular shape of the suspension spring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="G01P15/086" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a torsional suspension spring</text></CPC-specific-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="G01P15/0862" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0862</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>being provided with particular means being integrated into a MEMS accelerometer structure for providing particular additional functionalities to those of a spring mass system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0865" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0865</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using integrated signal processing circuitry</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0868" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0868</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using self-test structures integrated into the microstructure</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0871" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0871</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using stopper structures for limiting the travel of the seismic mass</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0874" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0874</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using means for preventing stiction of the seismic mass to the substrate</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0877" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0877</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using integrated interconnect structures</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/088" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for providing wafer-level encapsulation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01P15/0882" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P2015/0882</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for providing damping of vibrations</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="G01P15/0885" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0885</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by magnetostrictive pick-up</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="G01P15/0888" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0888</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for indicating angular acceleration</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="G01P15/0891" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0891</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with indication of predetermined acceleration values </text><reference><text><class-ref scheme="cpc">G01P15/135</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="G01P15/0894" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0894</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by non-contact electron transfer, i.e. electron tunneling</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="G01P15/0897" definition-exists="false" ipc-concordant="G01P15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0897</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by thermal pick-up </text><reference><text><class-ref scheme="cpc">G01P15/008</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="G01P15/09" definition-exists="false" ipc-concordant="G01P15/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>G01P15/09</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>by piezo-electric pick-up</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01P15/0907" definition-exists="false" ipc-concordant="G01P15/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0907</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the compression mode type</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="G01P15/0915" definition-exists="false" ipc-concordant="G01P15/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0915</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the shear mode type</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="G01P15/0922" definition-exists="false" ipc-concordant="G01P15/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0922</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the bending or flexing mode type</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="G01P15/093" definition-exists="true" ipc-concordant="G01P15/093" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01P15/093</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by photoelectric pick-up</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P15/097" definition-exists="true" ipc-concordant="G01P15/097" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/097</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by vibratory elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01P15/0975" definition-exists="false" ipc-concordant="G01P15/097" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/0975</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by acoustic surface wave resonators or delay lines</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="G01P15/10" definition-exists="false" ipc-concordant="G01P15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by vibratory strings</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P15/105" definition-exists="true" ipc-concordant="G01P15/105" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by magnetically sensitive devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P15/11" definition-exists="false" ipc-concordant="G01P15/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by inductive pick-up</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P15/12" definition-exists="false" ipc-concordant="G01P15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by alteration of electrical resistance </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G01P15/0897</class-ref>, <class-ref scheme="cpc">G01P15/105</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01P15/121" definition-exists="false" ipc-concordant="G01P15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by potentiometers</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="G01P15/122" definition-exists="false" ipc-concordant="G01P15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by metal resistance strain gauges, e.g. wire resistance strain gauges</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="G01P15/123" definition-exists="false" ipc-concordant="G01P15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by piezo-resistive elements, e.g. semiconductor strain gauges</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="G01P15/124" definition-exists="true" ipc-concordant="G01P15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by semiconductor devices comprising at least one PN junction, e.g. transistors</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="G01P15/125" definition-exists="true" ipc-concordant="G01P15/125" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by capacitive pick-up</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01P15/13" definition-exists="false" ipc-concordant="G01P15/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring the force required to restore a proofmass subjected to inertial forces to a null position</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01P15/131" definition-exists="false" ipc-concordant="G01P15/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/131</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrostatic counterbalancing 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="G01P15/132" definition-exists="false" ipc-concordant="G01P15/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/132</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electromagnetic counterbalancing 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="G01P15/133" definition-exists="false" ipc-concordant="G01P15/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/133</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with piezo-electric counterbalancing means</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="G01P15/135" definition-exists="true" ipc-concordant="G01P15/135" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/135</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by making use of contacts which are actuated by a movable inertial mass</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="G01P15/14" definition-exists="false" ipc-concordant="G01P15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by making use of gyroscopes </text><reference><text>gyroscopes <u>per se</u> <class-ref scheme="cpc">G01C19/00</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P15/16" definition-exists="false" ipc-concordant="G01P15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by evaluating the time-derivative of a measured speed signal</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P15/165" definition-exists="false" ipc-concordant="G01P15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring angular accelerations</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="G01P15/18" definition-exists="false" ipc-concordant="G01P15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in two or more dimensions</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01P21/00" definition-exists="true" ipc-concordant="G01P21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01P21/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Testing or calibrating of apparatus or devices covered by the preceding groups</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01P21/02" definition-exists="false" ipc-concordant="G01P21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01P21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of speedometers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01P21/025" definition-exists="false" ipc-concordant="G01P21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01P21/025</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>for measuring speed of fluids; for measuring speed of bodies relative to fluids </text><reference><text>for measuring volume flow <class-ref scheme="cpc">G01F25/10</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme>