IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • H - Electricity
  • H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
H05B 1/00 ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - Details of electric heating devices
H05B 1/02 Automatic switching arrangements specially adapted to heating apparatus
H05B 3/00 Ohmic-resistance heating
H05B 3/02 Ohmic-resistance heating - Details
H05B 3/03 Electrodes
H05B 3/04 Waterproof or air-tight seals for heaters
H05B 3/06 Heater elements structurally combined with coupling elements or with holders
H05B 3/08 Heater elements structurally combined with coupling elements or with holders having electric connections specially adapted for high temperatures
H05B 3/10 Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
H05B 3/12 Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
H05B 3/14 Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
H05B 3/16 Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
H05B 3/18 Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
H05B 3/20 Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
H05B 3/22 Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
H05B 3/24 Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor being self-supporting
H05B 3/26 Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
H05B 3/28 Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
H05B 3/30 Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material on or between metallic plates
H05B 3/32 Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulators on a metallic frame
H05B 3/34 Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
H05B 3/36 Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heating conductor embedded in insulating material
H05B 3/38 Powder conductors
H05B 3/40 Heating elements having the shape of rods or tubes
H05B 3/42 Heating elements having the shape of rods or tubes non-flexible
H05B 3/44 Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
H05B 3/46 Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
H05B 3/48 Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
H05B 3/50 Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
H05B 3/52 Apparatus or processes for filling or compressing insulating material in tubes
H05B 3/54 Heating elements having the shape of rods or tubes flexible
H05B 3/56 Heating cables
H05B 3/58 Heating hoses; Heating collars
H05B 3/60 Heating arrangements wherein the heating current flows through granular, powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating
H05B 3/62 Heating elements specially adapted for furnaces
H05B 3/64 Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
H05B 3/66 Supports or mountings for heaters on or in the wall or roof
H05B 3/68 Heating arrangements specially adapted for cooking plates or analogous hot-plates
H05B 3/70 Plates of cast metal
H05B 3/72 Plates of sheet metal
H05B 3/74 Non-metallic plates
H05B 3/76 Plates with spirally-wound heating tubes
H05B 3/78 Heating arrangements specially adapted for immersion heating
H05B 3/80 Portable immersion heaters
H05B 3/82 Fixedly-mounted immersion heaters
H05B 3/84 Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
H05B 3/86 Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields the heating conductors being embedded in the transparent or reflecting material
H05B 6/00 Heating by electric, magnetic or electromagnetic fields
H05B 6/02 Induction heating
H05B 6/04 Sources of current
H05B 6/06 Control, e.g. of temperature, of power
H05B 6/08 Control, e.g. of temperature, of power using compensating or balancing arrangements
H05B 6/10 Induction heating apparatus, other than furnaces, for specific applications
H05B 6/12 Cooking devices
H05B 6/14 Tools, e.g. nozzles, rollers, calenders
H05B 6/16 Furnaces having endless cores
H05B 6/18 Furnaces having endless cores having melting basin
H05B 6/20 Furnaces having endless cores having melting channel only
H05B 6/22 Furnaces without an endless core
H05B 6/24 Crucible furnaces
H05B 6/26 Crucible furnaces using vacuum or particular gas atmosphere
H05B 6/28 Protective systems
H05B 6/30 Arrangements for remelting or zone melting
H05B 6/32 Arrangements for simultaneous levitation and heating
H05B 6/34 Arrangements for circulation of melts
H05B 6/36 Coil arrangements
H05B 6/38 Coil arrangements specially adapted for fitting into hollow spaces of workpieces
H05B 6/40 Establishing desired heat distribution, e.g. to heat particular parts of workpieces
H05B 6/42 Cooling of coils
H05B 6/44 Coil arrangements having more than one coil or coil segment
H05B 6/46 Dielectric heating
H05B 6/48 Circuits
H05B 6/50 Circuits for monitoring or control
H05B 6/52 Feed lines
H05B 6/54 Electrodes
H05B 6/56 Rolling electrodes
H05B 6/58 "sewing machine" type
H05B 6/60 Arrangements for continuous movement of material
H05B 6/62 Apparatus for specific applications
H05B 6/64 Heating using microwaves
H05B 6/66 Circuits
H05B 6/68 Circuits for monitoring or control
H05B 6/70 Feed lines
H05B 6/72 Radiators or antennas
H05B 6/74 Mode transformers or mode stirrers
H05B 6/76 Prevention of microwave leakage, e.g. door sealings
H05B 6/78 Arrangements for continuous movement of material
H05B 6/80 Apparatus for specific applications
H05B 7/00 Heating by electric discharge
H05B 7/02 Heating by electric discharge - Details
H05B 7/06 Electrodes
H05B 7/07 Electrodes designed to melt in use
H05B 7/08 Electrodes non-consumable
H05B 7/09 Self-baking electrodes
H05B 7/10 Mountings, supports, terminals, or arrangements for feeding or guiding electrodes
H05B 7/11 Arrangements for conducting current to the electrode terminals
H05B 7/12 Arrangements for cooling, sealing, or protecting electrodes
H05B 7/14 Arrangements or methods for connecting successive electrode sections
H05B 7/16 Heating by glow discharge
H05B 7/18 Heating by arc discharge
H05B 7/20 Direct 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
H05B 7/22 Indirect heating by arc discharge
H05B 7/085 Electrodes non-consumable mainly consisting of carbon
H05B 7/101 Mountings, supports, or terminals at head of electrode, i.e. at the end remote from the arc
H05B 7/102 Mountings, supports, or terminals at head of electrode, i.e. at the end remote from the arc specially adapted for consumable electrodes
H05B 7/103 Mountings, supports, or terminals with jaws
H05B 7/105 Mountings, supports, or terminals with jaws comprising more than two jaws equally spaced along circumference, e.g. ring holders
H05B 7/107 Mountings, supports, terminals, or arrangements for feeding or guiding electrodes specially adapted for self-baking electrodes
H05B 7/109 Feeding arrangements
H05B 7/144 Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
H05B 7/148 Automatic control of power
H05B 7/152 Automatic control of power by electromechanical means for positioning of electrodes
H05B 7/156 Automatic control of power by hydraulic or pneumatic means for positioning of electrodes
H05B 11/00 Heating by combined application of processes covered by two or more of groups
H05B 31/00 Electric arc lamps
H05B 31/02 Electric arc lamps - Details
H05B 31/04 Housings
H05B 31/06 Electrodes
H05B 31/08 Carbon electrodes
H05B 31/10 Cored carbon electrodes
H05B 31/12 Beck-effect electrodes
H05B 31/14 Metal electrodes
H05B 31/16 Apparatus or processes specially adapted for manufacturing electrodes
H05B 31/18 Mountings for electrodes; Electrode feeding devices
H05B 31/20 Mechanical arrangements for feeding electrodes
H05B 31/22 Electromagnetic arrangements for feeding electrodes
H05B 31/24 Cooling arrangements
H05B 31/26 Influencing the shape of arc discharge by gas blowing devices
H05B 31/28 Influencing the shape of arc discharge by magnetic means
H05B 31/30 Starting; Igniting
H05B 31/32 Switching-off
H05B 31/34 Indicating consumption of electrodes
H05B 31/36 Electric arc lamps having two electrodes in line
H05B 31/38 Electric arc lamps having two electrodes in line specially adapted for ac
H05B 31/40 Electric arc lamps having two electrodes at an angle
H05B 31/42 Electric arc lamps having two electrodes at an angle specially adapted for ac
H05B 31/44 Electric arc lamps having two parallel electrodes
H05B 31/46 Electric arc lamps having two parallel electrodes specially adapted for ac
H05B 31/48 Electric arc lamps having more than two electrodes
H05B 31/50 Electric arc lamps having more than two electrodes specially adapted for ac
H05B 31/52 Electric arc lamps having more than two electrodes specially adapted for ac electrodes energised from different phases of the supply
H05B 33/00 Electroluminescent light sources
H05B 33/02 Electroluminescent light sources - Details
H05B 33/04 Sealing arrangements
H05B 33/06 Electrode terminals
H05B 33/08 Circuit arrangements for operating electroluminescent light sources
H05B 33/10 Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
H05B 33/12 Light sources with substantially two-dimensional radiating surfaces
H05B 33/14 Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
H05B 33/18 Light sources with substantially two-dimensional radiating surfaces characterised by the nature or concentration of the activator
H05B 33/20 Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
H05B 33/22 Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
H05B 33/24 Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers
H05B 33/26 Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
H05B 33/28 Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode of translucent electrodes
H05B 35/00 Electric light sources using a combination of different types of light generation
H05B 37/00 Circuit arrangements for electric light sources in general
H05B 37/02 Controlling
H05B 37/03 Detecting lamp failure
H05B 37/04 Circuits providing for substitution of the light source in case of its failure
H05B 39/00 Circuit arrangements or apparatus for operating incandescent light sources
H05B 39/02 Switching-on, e.g. with predetermined rate of increase of lighting current
H05B 39/04 Controlling
H05B 39/06 Switching arrangements, e.g. from series operation to parallel operation
H05B 39/08 Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes
H05B 39/09 Circuit arrangements or apparatus for operating incandescent light sources in which the lamp is fed by pulses
H05B 39/10 Circuits providing for substitution of the light source in case of its failure
H05B 41/00 Circuit arrangements or apparatus for igniting or operating discharge lamps
H05B 41/02 Circuit arrangements or apparatus for igniting or operating discharge lamps - Details
H05B 41/04 Starting switches
H05B 41/06 Starting switches thermal only
H05B 41/08 Starting switches thermal only heated by glow discharge
H05B 41/10 Starting switches magnetic only
H05B 41/12 Starting switches combined thermal and magnetic
H05B 41/14 Circuit arrangements
H05B 41/16 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac
H05B 41/18 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having a starting switch
H05B 41/19 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having a starting switch for lamps having an auxiliary starting electrode
H05B 41/20 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having no starting switch
H05B 41/22 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having no starting switch for lamps having an auxiliary starting electrode
H05B 41/23 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having no starting switch for lamps not having an auxiliary starting electrode
H05B 41/24 Circuit arrangements in which the lamp is fed by high-frequency ac
H05B 41/26 Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
H05B 41/28 Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
H05B 41/30 Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
H05B 41/32 Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation
H05B 41/34 Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes
H05B 41/36 Controlling
H05B 41/38 Controlling the intensity of light
H05B 41/39 Controlling the intensity of light continuously
H05B 41/40 Controlling the intensity of light discontinuously
H05B 41/42 Controlling the intensity of light discontinuously in two steps only
H05B 41/44 Controlling for providing special optical effects, e.g. progressive motion of light
H05B 41/46 Circuits providing for substitution in case of failure of the lamp
H05B 41/231 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having no starting switch for lamps not having an auxiliary starting electrode for high-pressure lamps
H05B 41/232 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
H05B 41/233 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps using resonance circuitry
H05B 41/234 Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps to eliminate stroboscopic effects, e.g. feeding two lamps with different phases
H05B 41/282 Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
H05B 41/285 Arrangements for protecting lamps or circuits against abnormal operating conditions
H05B 41/288 Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with 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
H05B 41/292 Arrangements for protecting lamps or circuits against abnormal operating conditions
H05B 41/295 Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
H05B 41/298 Arrangements for protecting lamps or circuits against abnormal operating conditions
H05B 41/391 Controlling the intensity of light continuously using saturable magnetic devices
H05B 41/392 Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
H05B 43/00 Circuit arrangements for light sources, not otherwise provided for
H05B 43/02 Circuit arrangements for light sources, not otherwise provided for for light sources using a charge of combustible material
H05B 44/00 Circuit arrangements for operating electroluminescent light sources
H05B 45/00 Circuit arrangements for operating light-emitting diodes [LED]
H05B 45/10 Controlling the intensity of the light
H05B 45/12 Controlling the intensity of the light using optical feedback
H05B 45/14 Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
H05B 45/18 Controlling the intensity of the light using temperature feedback
H05B 45/20 Controlling the colour of the light
H05B 45/22 Controlling the colour of the light using optical feedback
H05B 45/24 Controlling the colour of the light using electrical feedback from LEDs or from LED modules
H05B 45/28 Controlling the colour of the light using temperature feedback
H05B 45/30 Driver circuits
H05B 45/31 Phase-control circuits
H05B 45/32 Pulse-control circuits
H05B 45/33 Pulse-amplitude modulation [PAM]
H05B 45/34 Voltage stabilisation; Maintaining constant voltage
H05B 45/35 Balancing circuits
H05B 45/36 Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
H05B 45/37 Converter circuits
H05B 45/38 Switched mode power supply [SMPS] using boost topology
H05B 45/39 Circuits containing inverter bridges
H05B 45/40 Circuit arrangements for operating light-emitting diodes [LED] - Details of LED load circuits
H05B 45/42 Antiparallel configurations
H05B 45/44 Circuit arrangements for operating light-emitting diodes [LED] - Details of LED load circuits with an active control inside an LED matrix
H05B 45/46 Circuit arrangements for operating light-emitting diodes [LED] - Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
H05B 45/48 Circuit arrangements for operating light-emitting diodes [LED] - Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
H05B 45/50 Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits
H05B 45/52 Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits in a parallel array of LEDs
H05B 45/54 Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits in a series array of LEDs
H05B 45/56 Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
H05B 45/58 Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits involving end of life detection of LEDs
H05B 45/59 Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
H05B 45/60 Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
H05B 45/305 Frequency-control circuits
H05B 45/315 Reverse phase-control circuits
H05B 45/325 Pulse-width modulation [PWM]
H05B 45/327 Burst dimming
H05B 45/335 Pulse-frequency modulation [PFM]
H05B 45/345 Current stabilisation; Maintaining constant current
H05B 45/347 Dynamic headroom control [DHC]
H05B 45/355 Power factor correction [PFC]; Reactive power compensation
H05B 45/357 Driver circuits specially adapted for retrofit LED light sources
H05B 45/375 Switched mode power supply [SMPS] using buck topology
H05B 45/382 Switched mode power supply [SMPS] with galvanic isolation between input and output
H05B 45/385 Switched mode power supply [SMPS] using flyback topology
H05B 45/392 Switched mode power supply [SMPS] wherein the LEDs are placed as freewheeling diodes at the secondary side of an isolation transformer
H05B 45/395 Linear regulators
H05B 45/397 Current mirror circuits
H05B 45/3574 Emulating the electrical or functional characteristics of incandescent lamps
H05B 45/3575 Emulating the electrical or functional characteristics of incandescent lamps by means of dummy loads or bleeder circuits, e.g. for dimmers
H05B 45/3577 Emulating the dimming characteristics, brightness or colour temperature of incandescent lamps
H05B 45/3578 Emulating the electrical or functional characteristics of discharge lamps
H05B 45/3725 Switched mode power supply [SMPS]
H05B 46/00 Circuit arrangements for operating light sources using a charge of combustible material
H05B 47/00 Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
H05B 47/10 Controlling the light source
H05B 47/11 Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
H05B 47/12 Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by detecting audible sound
H05B 47/13 Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using passive infrared detectors
H05B 47/14 Controlling the light source in response to determined parameters by determining electrical parameters of the light source
H05B 47/16 Controlling the light source by timing means
H05B 47/17 Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
H05B 47/18 Controlling the light source by remote control via data-bus transmission
H05B 47/19 Controlling the light source by remote control via wireless transmission
H05B 47/20 Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection
H05B 47/21 Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection of two or more light sources connected in parallel
H05B 47/23 Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection of two or more light sources connected in series
H05B 47/24 Circuit arrangements for protecting against overvoltage
H05B 47/25 Circuit arrangements for protecting against overcurrent
H05B 47/26 Circuit arrangements for protecting against earth faults
H05B 47/28 Circuit arrangements for protecting against abnormal temperature
H05B 47/29 Circuits providing for substitution of the light source in case of its failure
H05B 47/105 Controlling the light source in response to determined parameters
H05B 47/115 Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
H05B 47/125 Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
H05B 47/135 Controlling the light source in response to determined parameters by determining the type of light source being controlled
H05B 47/155 Coordinated control of two or more light sources
H05B 47/165 Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
H05B 47/175 Controlling the light source by remote control
H05B 47/185 Controlling the light source by remote control via power line carrier transmission
H05B 47/195 Controlling the light source by remote control via wireless transmission the transmission using visible or infrared light