H05BELECTRIC HEATINGELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FORCIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERALIn this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. H05B1/00Electric heating H05B1/00Details of electric heating devices H05B1/02Automatic switching arrangements specially adapted to apparatus ; Control of heating devices thermally-actuated switches H01H37/00 H05B1/0202Switches H05B1/0205using a fusible material H05B1/0208actuated by the expansion or evaporation of a gas or liquid H05B1/0211using the expansion of an electric conductive liquid H05B1/0213using bimetallic elements H05B1/0216actuated by the expansion of a solid element, e.g. wire or rod H05B1/0219actuated by modification of the magnetic properties of a material H05B1/0222actuated by changing weight, level or centre of gravity H05B1/0225actuated by timers H05B1/0227Applications H05B1/023Industrial applications H05B1/0233for semiconductors manufacturing H05B1/0236for vehicles H05B1/0238For seats H05B1/0241For photocopiers H05B1/0244Heating of fluids H05B1/0247 takes precedence H05B1/0247For chemical processes H05B1/025For medical applications H05B1/0252Domestic applications H05B1/0255Irons H05B1/0258For cooking H05B1/0261of food H05B1/0263Ovens H05B1/0266Cooktops H05B1/0269For heating of fluids H05B1/0272For heating of fabrics H05B1/0275Heating of spaces, e.g. rooms, wardrobes H05B1/0277Electric radiators H05B1/028Airconditioning H05B1/0283For heating of fluids, e.g. water heaters H05B1/0286Heat storages H05B1/0288for non specified applications H05B1/0291Tubular elements H05B1/0294Planar elements H05B1/0297Heating of fluids for non specified applications H05B3/00Ohmic-resistance heating H05B3/0004Devices wherein the heating current flows through the material to be heated Circuit arrangements for heating by passing the current directly across the material to be heated H05B3/0023; granular, powdered or fluid material H05B3/60 H05B3/0009the material to be heated being in motion H05B3/0014Devices wherein the heating current flows through particular resistances H05B3/0019Circuit arrangements H05B3/0023for heating by passing the current directly across the material to be heated H05B3/0033Heating devices using lamps H05B3/0038for industrial applications H05B3/0042used in motor vehicles H05B3/0047for semiconductor manufacture H05B3/0052for fluid treatments H05B3/0057for plastic handling and treatment including molds B29C H05B3/0061for metal treatment H05B3/0066for photocopying H05B3/0071for domestic applications H05B3/0076for cooking, e.g. in ovens lamps specially adapted for non-metallic cooking plates H05B3/742, H05B3/744 H05B3/008for heating of inner spaces H05B3/0085for medical applications H05B3/009heating devices not specially adapted for a particular application H05B3/0095Heating devices in the form of rollers heated by induction H05B6/145 H05B3/02Details H05B3/03Electrodes H05B3/04Waterproof or air-tight seals for heaters H05B3/06Heater elements structurally combined with coupling elements or holders H05B3/08having electric connections specially adapted for high temperatures H05B3/10Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor compositions per se see the relevant subclasses H05B3/12characterised by the composition or nature of the conductive material H05B3/14the material being non-metallic H05B3/141Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds H05B3/143applied to semiconductors, e.g. wafers heating H05B3/0047 takes precedence H05B3/145Carbon only, e.g. carbon black, graphite H05B3/146Conductive polymers, e.g. polyethylene, thermoplastics H05B3/148Silicon, e.g. silicon carbide, magnesium silicide, heating transistors or diodes H05B3/16the conductor being mounted on an insulating base H05B3/18the conductor being embedded in an insulating material H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater H05B3/62, H05B3/68, H05B3/78, H05B3/84 take precedence H05B3/22non-flexible H05B3/24heating conductor being self-supporting H05B3/26heating conductor mounted on insulating base for transparent areas H05B3/84, H05B3/86 H05B3/262the insulating base being an insulated metal plate H05B3/265the insulating base being an inorganic material, e.g. ceramic H05B3/262 takes precedence H05B3/267the insulating base being an organic material, e.g. plastic H05B3/262 takes precedence H05B3/28heating conductor embedded in insulating material H05B3/283the insulating material being an inorganic material, e.g. ceramic H05B3/286the insulating material being an organic material, e.g. plastic H05B3/30on or between metallic plates H05B3/32heating conductor mounted on insulators on a metallic frame H05B3/34flexible, e.g. heating nets or webs H05B3/342heaters used in textiles H05B3/345knitted fabrics H05B3/347woven fabrics H05B3/36heating conductor embedded in insulating material H05B3/38Powder conductors H05B3/40Heating elements having the shape of rods or tubes H05B3/62, H05B3/68, H05B3/78 take precedence H05B3/42non-flexible H05B3/44heating conductor arranged within rods or tubes of insulating material H05B3/46heating conductor mounted on insulating base H05B3/48heating conductor embedded in insulating material H05B3/50heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins H05B3/52Apparatus or processes for filling or compressing insulating material in tubes H05B3/54flexible H05B3/56Heating cables H05B3/565flat cables H05B3/58Heating hosesHeating collars H05B3/60Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating H05B3/38 takes precedence H05B3/62Heating elements specially adapted for furnaces H05B3/60 takes precedence; arrangements of such elements in furnaces F27, e.g. F27D11/00 H05B3/64using ribbon, rod, or wire heater H05B3/66Supports or mountings for heaters on or in the wall or roof H05B3/68Heating arrangements specially adapted for cooking plates or analogous hot-platesGroup H05B3/76 takes precedence over groups H05B3/70 - H05B3/74.
This Note corresponds to IPC Note (1) relating to H05B3/70 - H05B3/76. H05B3/681Plates having mobile parts coming into contact with the bottom of the kettles, pans, or the like H05B3/683Plates having their feeding circuit closed as the kettles, pans or the like are put on H05B3/74 takes precedence H05B3/685Plates having magnetic means attracting the kettles, pans, or the like H05B3/686Heat-storage plates H05B3/688Fabrication of the plates for single-step processes see the appropriate subclass, e.g. in B23C, sub-section metallurgy H05B3/70Plates of cast metal H05B3/72Plates of sheet metal H05B3/74Non-metallic plates , e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits H05B3/742Plates having both lamps and resistive heating elements H05B3/744Lamps as heat source, i.e. heating elements with protective gas envelope, e.g. halogen lamps H05B3/746Protection, e.g. overheat cutoff, hot plate indicator H05B3/748Resistive heating elements, i.e. heating elements exposed to the air, e.g. coil wire heater H05B3/742 takes precedence H05B3/76Plates with spirally-wound heating tubes H05B3/78Heating arrangements specially adapted for immersion heating H05B3/80Portable immersion heaters H05B3/82Fixedly-mounted immersion heaters H05B3/84Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields H05B3/845specially adapted for reflecting surfaces, e.g. bathroom - or rearview mirrors H05B3/86the heating conductors being embedded in the transparent or reflecting material H05B3/845 takes precedence H05B6/00Heating by electric, magnetic or electromagnetic fields H05B6/02Induction heating H05B6/04Sources of current H05B6/06Control, e.g. of temperature, of power H05B6/062for cooking plates or the like H05B6/065using coordinated control of multiple induction coils H05B6/067for melting furnaces H05B6/08using compensating or balancing arrangements H05B6/10Induction heating apparatus, other than furnaces, for specific applications H05B6/101for local heating of metal pieces H05B6/102the metal pieces being rotated while induction heated H05B6/103multiple metal pieces successively being moved close to the inductor H05B6/104metal pieces being elongated like wires or bands H05B6/105using a susceptor H05B6/106in the form of fillings H05B6/107for continuous movement of material H05B6/108for heating a fluid H05B6/109using magnets rotating with respect to a susceptor H05B6/12Cooking devices H05B6/1209induction cooking plates or the like and devices to be used in combination with them H05B6/1218with arrangements using lights for heating zone state indication H05B6/1227for wok pans and wok pans supports for induction cooking plates H05B6/1236adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way H05B6/1245with special coil arrangements H05B6/1254using conductive pieces to direct the induced magnetic field H05B6/1263using coil cooling arrangements H05B6/1272with more than one coil or coil segment per heating zone H05B6/1281with flat coils H05B6/129induction ovens H05B6/14Tools, e.g. nozzles, rollers, calenders H05B6/145Heated rollers H05B6/16Furnaces having endless cores H05B6/34 takes precedence H05B6/18having melting basin H05B6/20having melting channel only H05B6/22Furnaces without an endless core H05B6/34 takes precedence H05B6/24Crucible furnaces H05B6/30 takes precedence H05B6/26using vacuum or particular gas atmosphere H05B6/28Protective systems H05B6/30Arrangements for remelting or zone melting H05B6/32Arrangements for simultaneous levitation and heating H05B6/34Arrangements for circulation of melts H05B6/36Coil arrangements H05B6/362with flat coil conductors H05B6/365using supplementary conductive or ferromagnetic pieces H05B6/367for melting furnaces H05B6/38specially adapted for fitting into hollow spaces of workpieces H05B6/40Establishing desired heat distribution, e.g. to heat particular parts of workpieces H05B6/405for heating gear-wheels H05B6/42Cooling of coils H05B6/44having more than one coil or coil segment H05B6/46Dielectric heating H05B6/64 takes precedence H05B6/48Circuits H05B6/50for monitoring or control H05B6/52Feed lines H05B6/54Electrodes H05B6/56Rolling electrodes H05B6/58"sewing machine" type H05B6/60Arrangements for continuous movement of material H05B6/62Apparatus for specific applications H05B6/64Heating using microwaves containers, packaging elements or packages specially adapted to be heated by microwaves B65D81/3446 H05B6/6402Aspects relating to the microwave cavity H05B6/6405Self-cleaning cavity H05B6/6408Supports or covers specially adapted for use in microwave heating apparatus H05B6/6411the supports being rotated H05B6/6414Aspects relating to the door of the microwave heating apparatus H05B6/6417Door interlocks of the microwave heating apparatus and related circuits H05B6/642Cooling of the microwave components and related air circulation systems H05B6/6473 takes precedence H05B6/6423wherein the microwave oven air circulation system is also used as air extracting hood H05B6/6426Aspects relating to the exterior of the microwave heating apparatus, e.g. metal casing, power cord H05B6/6429Aspects relating to mounting assemblies of wall-mounted microwave ovens H05B6/6432Aspects relating to testing or detecting leakage in a microwave heating apparatus H05B6/6435Aspects relating to the user interface of the microwave heating apparatus H05B6/6438allowing the recording of a program of operation of the microwave heating apparatus H05B6/6441allowing the input of coded operation instructions, e.g. bar code reader H05B6/6444Aspects relating to lighting devices in the microwave cavity H05B6/6447Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors H05B6/645using temperature sensors H05B6/6452the sensors being in contact with the heated product H05B6/6455the sensors being infra-red detectors H05B6/6458using humidity or vapor sensors H05B6/6461using fire or fume sensors H05B6/6464using weight sensors H05B6/6467using detectors with R.F. transmitters H05B6/647Aspects related to microwave heating combined with other heating techniques H05B6/6473combined with convection heating H05B6/6485 takes precedence H05B6/6476the refrigerating air being used for convection H05B6/6479using steam H05B6/6482combined with radiant heating, e.g. infra-red heating H05B6/6485further combined with convection heating H05B6/6488combined with induction heating H05B6/6491combined with the use of susceptors H05B6/80 and subgroups takes precedence H05B6/6494for cooking H05B6/6497the susceptors being liquids H05B6/66Circuits H05B6/662Aspects related to the boost transformer of the microwave heating apparatus H05B6/664Aspects related to the power supply of the microwave heating apparatus H05B6/666Safety circuits emergency protective circuits in general H02H H05B6/668Microwave heating devices connected to a telecommunication network H05B6/68for monitoring or control H05B6/681Circuits comprising an inverter, a boost transformer and a magnetron H05B6/682wherein the switching control is based on measurements of electrical values of the circuit H05B6/683the measurements being made at the high voltage side of the circuit H05B6/685the measurements being made at the low voltage side of the circuit H05B6/686Circuits comprising a signal generator and power amplifier, e.g. using solid state oscillators H05B6/687for cooking H05B6/688for thawing H05B6/70Feed lines H05B6/701using microwave applicators H05B6/702using coaxial cables H05B6/704using microwave polarisers H05B6/705using microwave tuning H05B6/707using waveguides H05B6/708in particular slotted waveguides H05B6/72Radiators or antennas H05B6/725Rotatable antennas H05B6/74Mode transformers or mode stirrers H05B6/745Rotatable stirrers H05B6/76Prevention of microwave leakage, e.g. door sealings H05B6/763Microwave radiation seals for doors H05B6/766Microwave radiation screens for windows H05B6/78Arrangements for continuous movement of material H05B6/782wherein the material moved is food H05B6/784wherein the material is moved using a tubular transport line, e.g. screw transport systems H05B6/786wherein the material is moved using mechanical vibrations of plates H05B6/788wherein an elongated material is moved by applying a mechanical tension to it H05B6/80Apparatus for specific applications stoves or ranges F24C7/02 H05B6/802for heating fluids methods of heating fluids in conventional microwave ovens H05B6/687 H05B6/804Water heaters, water boilers H05B6/806for laboratory use H05B6/808Microwave heating adapted for vending machines H05B7/00Heating by electric discharge plasma torches H05H1/26 H05B7/005Electrical diagrams H05B7/02Details H05B7/06Electrodes H05B7/07designed to melt in use H05B7/08non-consumable H05B7/085mainly consisting of carbon H05B7/09Self-baking electrodes, e.g. Söderberg type electrodes H05B7/10Mountings, supports, terminals or arrangements for feeding or guiding electrodes H05B7/101Mountings, supports or terminals at head of electrode, i.e. at the end remote from the arc H05B7/102specially adapted for consumable electrodes H05B7/103Mountings, supports or terminals with jaws H05B7/101 takes precedence H05B7/105comprising more than two jaws equally spaced along circumference, e.g. ring holders H05B7/107specially adapted for self-baking electrodes H05B7/109Feeding arrangements H05B7/107 takes precedence; where the electrode movement is part of a closed loop for automatic control of power H05B7/148 H05B7/11Arrangements for conducting current to the electrode terminals H05B7/12Arrangements for cooling, sealing or protecting electrodes H05B7/14Arrangements or methods for connecting successive electrode sections H05B7/144Power supplies specially adapted for heating by electric dischargeAutomatic control of power, e.g. by positioning of electrodes H05B7/148Automatic control of power electrode feeding arrangements H05B7/109; automatic feeding of electrodes for spot or seam welding or cutting B23K9/12; disposition of electrodes in or on furnaces F27D11/10; control of position in general G05D3/00; regulating electric characteristics of arcs in general G05F1/02; regulating electric power in general G05F1/66 H05B7/152by electromechanical means for positioning of electrodes H05B7/156by hydraulic or pneumatic means for positioning of electrodes H05B7/16Heating by glow discharge H05B7/18Heating by arc discharge H05B7/185Heating gases for arc discharge gas-filled discharge tubes H01J37/32 H05B7/20Direct heating by arc discharge, i.e. where at least one end of the arc directly acts on the material to be heated, including additional resistance heating by arc current flowing through the material to be heated H05B7/22Indirect heating by arc discharge H05B7/225by arc image H05B11/00Heating by combined application of processes covered by two or more of groups H05B3/00 - H05B7/00 H05B7/20 takes precedence H05B31/00Electric light sources H05B31/00Electric arc lamps regulating electric characteristics of arcs G05F1/02 H05B31/0003the arc being outside, in the open H05B31/0006with superimposed electrodes H05B31/0009with parallel or oblique disposition of the electrodes; Special form of the electrodes H05B31/0012with a plurality of electrode pairs H05B31/0015with spare electrodes H05B31/0018in a closed vessel H05B31/0021Construction, in particular closure, of the vessel H05B31/0024Outlet valves H05B31/0027with special gasfilling H05B31/003of a special type H05B31/0033with glowrod and candle H05B31/0036for projection, copying or stage lighting H05B31/0039Projectors, the construction of which depends upon the presence of the arc H05B31/0042Mounting; Connecting H05B31/0045of individual lamps; Associated impedances H05B31/0048of plural lamps H05B31/0051Bypassing circuit devices for arc lamps H05B31/0054Short circuit devices for arc lamps H05B31/0057Accessories for arc lamps H05B31/006Electromagnets or armatures; Arc blowing electromagnets H05B31/0063Damping devices H05B31/0066Saving arrangements; Ventilation devices H05B31/0069Vessels; Closing of vessels H05B31/0072Reflectors for arc lamps H05B31/0075Incandescent mantles H05B31/0078Devices for starting or extinguishing H05B31/0081Controlling of arc lamps H05B31/0084with stirrups or levers H05B31/0087with a thread or chain H05B31/009with tightening devices H05B31/0093with a threaded rod H05B31/0096with hydraulic or pneumatic means H05B31/02Details H05B31/04Housings H05B31/06Electrodes H05B31/065for flame arc lamps H05B31/08Carbon electrodes H05B31/10Cored carbon electrodes H05B31/12Beck-effect electrodes H05B31/14Metal electrodes H05B31/16Apparatus or processes specially adapted for manufacturing electrodes H05B31/18Mountings for electrodesElectrode feeding devices H05B31/20Mechanical arrangements for feeding electrodes for controlling arc lamps H05B31/0081 H05B31/22Electromagnetic arrangements for feeding electrodes using electromagnets H05B31/006 H05B31/24Cooling arrangements H05B31/26Influencing the shape of arc discharge by gas blowing devices H05B31/28Influencing the shape of arc discharge by magnetic means using electromagnets H05B31/006 H05B31/30StartingIgniting devices therefor H05B31/0078 H05B31/305Ignition devices H05B31/32Switching-off H05B31/34Indicating consumption of electrodes H05B31/36having two electrodes in line electrodes in the open H05B31/0006 H05B31/38specially adapted for ac H05B31/40having two electrodes at an angle electrodes in the open H05B31/0009 H05B31/42specially adapted for ac H05B31/44having two parallel electrodes electrodes in the open H05B31/0009 H05B31/46specially adapted for ac H05B31/48having more than two electrodes electrodes in the open H05B31/0012 H05B31/50specially adapted for ac H05B31/52electrodes energised from different phases of the supply H05B33/00Electroluminescent light sources H05B33/02Details H05B33/04Sealing arrangements , e.g. against humidity H05B33/06Electrode terminals H05B33/10Apparatus or processes specially adapted to the manufacture of electroluminescent light sources H05B33/12Light sources with substantially two-dimensional radiating surfaces H05B33/14characterised by the chemical or physical composition or the arrangement of the electroluminescent material , or by the simultaneous addition of the electroluminescent material in or onto the light source When classifying in this group, the chemical composition of the electroluminescent material is also classified in the appropriate subgroup of C09K11/00 H05B33/145Arrangements of the electroluminescent material H05B33/18characterised by the nature or concentration of the activator H05B33/20characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded H05B33/22characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers H05B33/24of metallic reflective layers H05B33/26 takes precedence H05B33/26characterised by the composition or arrangement of the conductive material used as an electrode H05B33/28of translucent electrodes H05B35/00Electric light sources using a combination of different types of light generation H05B39/00Circuit arrangements H05B39/00Circuit arrangements or apparatus for operating incandescent light sources structurally associated with the incandescent lamps H01K1/62 H05B39/02Switching on, e.g. with predetermined rate of increase of lighting current H05B39/04Controlling H05B39/041the light-intensity of the source H05B39/08 takes precedence H05B39/042by measuring the incident light H05B39/044continuously H05B39/042 takes precedence H05B39/045with high-frequency bridge converters H05B39/048 takes precedence H05B39/047with pulse width modulation from a DC power source H05B39/048with reverse phase control H05B39/06Switching arrangements, e.g. from series operation to parallel operation H05B39/08by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices in converters H02M5/00; with regulation G05F1/44 H05B39/081by measuring the incident light H05B39/083 takes precedence H05B39/083by the variation-rate of light intensity H05B39/085by touch control H05B39/086with possibility of remote control H05B39/088by wireless means, e.g. infra-red transmitting means H05B39/09in which the lamp is fed by pulses automatic circuit devices built into or on the incandescent lamp H01K1/625; vehicle winking devices B60Q1/38 H05B39/10Circuits providing for substitution of the light source in case of its failure changing to a reserve current source H02J9/00 H05B39/105with a spare lamp in the circuit, and a possibility of shunting a failed lamp lamp changing devices H01R33/00, H01R43/00; incandescent lamps with a reserve body H01K H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps structurally associated with the discharge lamps H01J61/54, H01J61/56 H05B41/02Details H05B41/04Starting switches H05B41/042using semiconductor devices H05B41/044for lamp provided with pre-heating electrodes H05B41/046using controlled semiconductor devices H05B41/048using electromagnetic relays H05B41/06thermal only H05B41/08heated by glow discharge H05B41/10magnetic only H05B41/12combined thermal and magnetic H05B41/14Circuit arrangements H05B41/16in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies H05B41/18having a starting switch H05B41/19for lamps having an auxiliary starting electrode H05B41/20having no starting switch H05B41/22for lamps having an auxiliary starting electrode H05B41/23for lamps not having an auxiliary starting electrode H05B41/231for high-pressure lamps H05B41/232for low-pressure lamps H05B41/2325provided with pre-heating electrodes H05B41/233using resonance circuitry H05B41/234to eliminate stroboscopic effects, e.g. feeding two lamps with different phases H05B41/24in which the lamp is fed by high frequency ac, or with separate oscillator frequencyH05B41/26 takes precedence H05B41/245for a plurality of lamps H05B41/26in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc H05B41/28using static converters H05B41/2806with semiconductor devices and specially adapted for lamps without electrodes in the vessel, e.g. surface discharge lamps, electrodeless discharge lamps H05B41/2813Arrangements for protecting lamps or circuits against abnormal operating conditions H05B41/282with semiconductor devices H05B41/2806, H05B41/288, H05B41/295 take precedence H05B41/2821by means of a single-switch converter or a parallel push-pull converter in the final stage H05B41/285 takes precedence H05B41/2822using specially adapted components in the load circuit, e.g. feed-back transformers, piezo-electric transformers; using specially adapted load circuit configurations H05B41/2824using control circuits for the switching element H05B41/2822 takes precedence H05B41/2825by means of a bridge converter in the final stage H05B41/285 takes precedence H05B41/2827using specially adapted components in the load circuit, e.g. feed-back transformers, piezo-electric transformers; using specially adapted load circuit configurations H05B41/2828using control circuits for the switching elements H05B41/2827 takes precedence H05B41/285Arrangements for protecting lamps or circuits against abnormal operating conditions H05B41/2851for protecting the circuit against abnormal operating conditions H05B41/2853against abnormal power supply conditions H05B41/2855against abnormal lamp operating conditions H05B41/2856against internal abnormal circuit conditions H05B41/2858for protecting the lamp against abnormal operating conditions H05B41/288with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps H05B41/2806 takes precedence H05B41/2881Load circuits; Control thereof H05B41/2882the control resulting from an action on the static converter H05B41/2883the controlled element being a DC/AC converter in the final stage, e.g. by harmonic mode starting H05B41/2885Static converters especially adapted therefor; Control thereof H05B41/2882 takes precedence H05B41/2886comprising a controllable preconditioner, e.g. a booster H05B41/2887characterised by a controllable bridge in the final stage H05B41/2888the bridge being commutated at low frequency, e.g. 1kHz H05B41/292Arrangements for protecting lamps or circuits against abnormal operating conditions H05B41/2921for protecting the circuit against abnormal operating conditions H05B41/2923against abnormal power supply conditions H05B41/2925against abnormal lamp operating conditions H05B41/2926against internal abnormal circuit conditions H05B41/2928for protecting the lamp against abnormal operating conditions H05B41/295with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps H05B41/298Arrangements for protecting lamps or circuits against abnormal operating conditions H05B41/2981for protecting the circuit against abnormal operating conditions H05B41/2983against abnormal power supply conditions H05B41/2985against abnormal lamp operating conditions H05B41/2986against internal abnormal circuit conditions H05B41/2988for protecting the lamp against abnormal operating conditions H05B41/30in which the lamp is fed by pulses, e.g. flash lamp H05B41/32for single flash operation H05B41/325by measuring the incident light H05B41/34to provide a sequence of flashes H05B41/36Controlling H05B41/38Controlling the intensity of light H05B41/382during the transitional start-up phase H05B41/384in case of hot-restriking H05B41/386for speeding-up the lighting-up H05B41/388for a transition from glow to arc H05B41/39continuously H05B41/391using saturable magnetic devices H05B41/392using semiconductor devices, e.g. thyristor H05B41/3921with possibility of light intensity variations H05B41/3922and measurement of the incident light H05B41/3924by phase control, e.g. using a triac H05B41/3922 takes precedence H05B41/3925by frequency variation H05B41/3922 takes precedence H05B41/3927by pulse width modulation H05B41/3922 takes precedence H05B41/3928for high-pressure lamps, e.g. high-intensity discharge lamps, high-pressure mercury or sodium lamps H05B41/40discontinuously H05B41/42in two steps only H05B41/44for providing special optical effects, e.g. progressive motion of light H05B41/46Circuits providing for substitution in case of failure of the lamp H05B44/00Circuit arrangements for operating electroluminescent light sources for operating light emitting diodes H05B45/00 H05B45/00Circuit arrangements for operating light-emitting diodes [LED] H05B45/10Controlling the intensity of the light H05B45/12using optical feedback H05B45/14using electrical feedback from LEDs or from LED modules H05B45/18using temperature feedback H05B45/20Controlling the colour of the light H05B45/22using optical feedback H05B45/24using electrical feedback from LEDs or from LED modules H05B45/28using temperature feedback H05B45/30Driver circuits H05B45/305Frequency-control circuits H05B45/31Phase-control circuits H05B45/315Reverse phase-control circuits H05B45/32Pulse-control circuits H05B45/325Pulse-width modulation [PWM] H05B45/327Burst dimming H05B45/33Pulse-amplitude modulation [PAM] H05B45/335Pulse-frequency modulation [PFM] H05B45/34Voltage stabilisationMaintaining constant voltage H05B45/345Current stabilisationMaintaining constant current H05B45/347Dynamic headroom control [DHC] H05B45/35Balancing circuits H05B45/355Power factor correction [PFC]Reactive power compensation H05B45/357specially adapted for retrofit LED light sources H05B45/3574Emulating the electrical or functional characteristics of incandescent lamps H05B45/3575by means of dummy loads or bleeder circuits, e.g. for dimmers H05B45/3577Emulating the dimming characteristics, brightness or colour temperature of incandescent lamps H05B45/3578Emulating the electrical or functional characteristics of discharge lamps H05B45/36Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI] H05B45/37Converter circuits H05B45/3725Switched mode power supply [SMPS] H05B45/375using buck topology H05B45/38using boost topology H05B45/382with galvanic isolation between input and output H05B45/385using flyback topology H05B45/39Circuits containing inverter bridges H05B45/392wherein the LEDs are placed as freewheeling diodes at the secondary side of an isolation transformer H05B45/395Linear regulators H05B45/397Current mirror circuits H05B45/40Details of LED load circuits H05B45/42Antiparallel configurations H05B45/44with an active control inside an LED matrix H05B45/46having LEDs disposed in parallel lines H05B45/48having LEDs organised in strings and incorporating parallel shunting devices H05B45/50responsive to malfunctions or undesirable behaviour of LEDsresponsive to LED lifeProtective circuitsGroup H05B45/50 is impacted by reclassification into group H05B45/59.
Groups H05B45/50 and H05B45/59 should be considered in order to perform a complete search. H05B45/52in a parallel array of LEDs H05B45/54in a series array of LEDs H05B45/56involving measures to prevent abnormal temperature of the LEDs H05B45/58involving end of life detection of LEDs H05B45/59for reducing or suppressing flicker or glow effectsGroup H05B45/59 is incomplete pending reclassification of documents from groups H05B45/00 and H05B45/50.
Groups H05B45/00, H05B45/50 and H05B45/59 should be considered in order to perform a complete search. H05B45/60Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED] H05B46/00Circuit arrangements for operating light sources using a charge of combustible material H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant H05B47/10Controlling the light source H05B47/105in response to determined parameters H05B47/11by determining the brightness or colour temperature of ambient light H05B47/115by determining the presence or movement of objects or living beings H05B47/12by detecting audible sound H05B47/125by using cameras H05B47/13by using passive infrared detectors H05B47/135by determining the type of light source being controlled electrical parameters of light source being controlled H05B47/14 H05B47/14by determining electrical parameters of the light source H05B47/155Coordinated control of two or more light sources H05B47/16by timing means H05B47/165following a pre-assigned programmed sequenceLogic control [LC] H05B47/17Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations H05B47/175by remote control H05B47/18via data-bus transmission H05B47/185via power line carrier transmission H05B47/19via wireless transmission H05B47/195the transmission using visible or infrared light H05B47/20Responsive to malfunctions or to light source lifefor protection H05B47/21of two or more light sources connected in parallel H05B47/22with communication between the lamps and a central unit H05B47/23of two or more light sources connected in series H05B47/235with communication between the lamps and a central unit H05B47/24Circuit arrangements for protecting against overvoltage H05B47/25Circuit arrangements for protecting against overcurrent H05B47/26Circuit arrangements for protecting against earth faults H05B47/28Circuit arrangements for protecting against abnormal temperature H05B47/29Circuits providing for substitution of the light source in case of its failure H05B2203/00 H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00 H05B2203/002Heaters using a particular layout for the resistive material or resistive elements H05B2203/003using serpentine layout H05B2203/004using zigzag layout H05B2203/005using multiple resistive elements or resistive zones isolated from each other H05B2203/006using interdigitated electrodes H05B2203/007using multiple electrically connected resistive elements or resistive zones H05B2203/008with layout including a portion free of resistive material, e.g. communication window H05B2203/009Heaters using conductive material in contact with opposing surfaces of the resistive element or resistive layer H05B2203/01Heaters comprising a particular structure with multiple layers H05B2203/011Heaters using laterally extending conductive material as connecting means H05B2203/012Heaters using non- flexible resistive rods or tubes not provided for in H05B3/42 H05B2203/013Heaters using resistive films or coatings H05B2203/014Heaters using resistive wires or cables not provided for in H05B3/54 H05B2203/015Heater wherein the heating element is interwoven with the textile H05B2203/016Heaters using particular connecting means H05B2203/017Manufacturing methods or apparatus for heaters H05B2203/018Heaters using heating elements comprising mosi2 H05B2203/019Heaters using heating elements having a negative temperature coefficient H05B2203/02Heaters using heating elements having a positive temperature coefficient H05B2203/021Heaters specially adapted for heating liquids H05B2203/022Heaters specially adapted for heating gaseous material H05B2203/023Heaters of the type used for electrically heating the air blown in a vehicle compartment by the vehicle heating system H05B2203/024Heaters using beehive flow through structures H05B2203/025Heaters specially adapted for glass melting or glass treatment H05B2203/026Heaters specially adapted for floor heating H05B2203/027Heaters specially adapted for glow plug igniters H05B2203/028Heaters specially adapted for trays or plates to keep food or liquids hot H05B2203/029Heaters specially adapted for seat warmers H05B2203/03Heaters specially adapted for heating hand held tools H05B2203/031Heaters specially adapted for heating the windscreen wiper area H05B2203/032Heaters specially adapted for heating by radiation heating H05B2203/033Heater including particular mechanical reinforcing means H05B2203/034Heater using resistive elements made of short fibbers of conductive material H05B2203/035Electrical circuits used in resistive heating apparatus H05B2203/036Heaters specially adapted for garment heating H05B2203/037Heaters with zones of different power density H05B2206/00Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00 H05B2206/02Induction heating H05B2206/022Special supports for the induction coils H05B2206/023using the curie point of the material in which heating current is being generated to control the heating temperature H05B2206/024the resistive heat generated in the induction coil is conducted to the load H05B2206/04Heating using microwaves H05B2206/042Microwave oven combined with a toaster or including a toaster H05B2206/043Methods or circuits intended to extend the life of the magnetron H05B2206/044Microwave heating devices provided with two or more magnetrons or microwave sources of other kind H05B2206/045Microwave disinfection, sterilization, destruction of waste... H05B2206/046Microwave drying of wood, ink, food, ceramic, sintering of ceramic, clothes, hair H05B2213/00Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00 H05B2213/02Stirring of melted material in melting furnaces H05B2213/03Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate H05B2213/04Heating plates with overheat protection means H05B2213/05Heating plates with pan detection means H05B2213/06Cook-top or cookware capable of communicating with each other H05B2213/07Heating plates with temperature control means H05B2214/00Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00 H05B2214/02Heaters specially designed for de-icing or protection against icing H05B2214/03Heating of hydrocarbons H05B2214/04Heating means manufactured by using nanotechnology