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Symbol IPC-Stellen auswählen Titel
A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
H
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ELECTRICITY
H01
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ELECTRIC ELEMENTS
H02
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GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03
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ELECTRONIC CIRCUITRY
H04
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ELECTRIC COMMUNICATION TECHNIQUE
H05
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B
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ELECTRIC HEATING ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FORCIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B 1/00
Electric heating
H05B 1/00
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Details of electric heating devices [1, 2006.01]
H05B 3/00
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Ohmic-resistance heating [1, 2006.01]
H05B 6/00
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Heating by electric, magnetic or electromagnetic fields [3, 2006.01]
H05B 7/00
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Heating by electric discharge (plasma torches H05H 1/26) [1, 2006.01]
H05B 11/00
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Heating by combined application of processes covered by two or more of groups H05B 3/00-H05B 7/00 (H05B 7/20 takes precedence) [1, 2006.01]
H05B 31/00
Electric light sources
H05B 31/00
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Electric arc lamps (regulating electric characteristics of arcs G05F 1/02) [1, 2006.01]
H05B 33/00
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Electroluminescent light sources [1, 2006.01]
H05B 35/00
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Electric light sources using a combination of different types of light generation [1, 2006.01]
H05B 39/00
Circuit arrangements [2022.01]
H05B 39/00
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Circuit arrangements or apparatus for operating incandescent light sources  (structurally associated with the incandescent lamps H01K 1/62) [1, 2006.01]
H05B 41/00
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Circuit arrangements or apparatus for igniting or operating discharge lamps  (structurally associated with the discharge lamps H01J 61/54, H01J 61/56) [1, 2006.01]
H05B 44/00
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Circuit arrangements for operating electroluminescent light sources (for operating light emitting diodes H05B 45/00) [2022.01]
H05B 45/00
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Circuit arrangements for operating light-emitting diodes [LED] [2020.01, 2022.01]
H05B 45/10
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Controlling the intensity of the light [2020.01]
H05B 45/12
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. . using optical feedback [2020.01]
H05B 45/14
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. . using electrical feedback from LEDs or from LED modules [2020.01]
H05B 45/18
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. . using temperature feedback [2020.01]
H05B 45/20
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Controlling the colour of the light [2020.01]
H05B 45/22
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. . using optical feedback [2020.01]
H05B 45/24
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. . using electrical feedback from LEDs or from LED modules [2020.01]
H05B 45/28
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. . using temperature feedback [2020.01]
H05B 45/30
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Driver circuits [2020.01]
H05B 45/305
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. . Frequency-control circuits [2020.01]
H05B 45/31
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. . Phase-control circuits [2020.01]
H05B 45/315
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. . . Reverse phase-control circuits [2020.01]
H05B 45/32
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. . Pulse-control circuits [2020.01]
H05B 45/325
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. . . Pulse-width modulation [PWM] [2020.01]
H05B 45/327
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. . . Burst dimming [2020.01]
H05B 45/33
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. . . Pulse-amplitude modulation [PAM] [2020.01]
H05B 45/335
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. . . Pulse-frequency modulation [PFM] [2020.01]
H05B 45/34
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. . Voltage stabilisationMaintaining constant voltage [2020.01]
H05B 45/345
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. . Current stabilisationMaintaining constant current [2020.01]
H05B 45/347
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. . Dynamic headroom control [DHC] [2020.01]
H05B 45/35
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. . Balancing circuits [2020.01]
H05B 45/355
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. . Power factor correction [PFC]Reactive power compensation [2020.01]
H05B 45/357
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. . specially adapted for retrofit LED light sources [2020.01]
H05B 45/3574
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. . . Emulating the electrical or functional characteristics of incandescent lamps [2020.01]
H05B 45/3575
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. . . . by means of dummy loads or bleeder circuits, e.g. for dimmers [2020.01]
H05B 45/3577
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. . . . Emulating the dimming characteristics, brightness or colour temperature of incandescent lamps [2020.01]
H05B 45/3578
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. . . Emulating the electrical or functional characteristics of discharge lamps [2020.01]
H05B 45/36
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. . Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI] [2020.01]
H05B 45/37
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. . Converter circuits [2020.01]
H05B 45/3725
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. . . Switched mode power supply [SMPS] [2020.01]
H05B 45/375
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. . . . using buck topology [2020.01]
H05B 45/38
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. . . . using boost topology [2020.01]
H05B 45/382
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. . . . with galvanic isolation between input and output [2020.01]
H05B 45/385
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. . . . using flyback topology [2020.01]
H05B 45/39
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. . . . Circuits containing inverter bridges [2020.01]
H05B 45/392
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. . . . wherein the LEDs are placed as freewheeling diodes at the secondary side of an isolation transformer [2020.01]
H05B 45/395
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. . Linear regulators [2020.01]
H05B 45/397
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. . . Current mirror circuits [2020.01]
H05B 45/40
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Details of LED load circuits [2020.01]
H05B 45/42
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. . Antiparallel configurations [2020.01]
H05B 45/44
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. . with an active control inside an LED matrix [2020.01]
H05B 45/46
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. . . having LEDs disposed in parallel lines [2020.01]
H05B 45/48
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. . . having LEDs organised in strings and incorporating parallel shunting devices [2020.01]
H05B 45/50
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responsive to malfunctions or undesirable behaviour of LEDsresponsive to LED lifeProtective circuits [2020.01, 2022.01]
H05B 45/52
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. . in a parallel array of LEDs [2020.01]
H05B 45/54
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. . in a series array of LEDs [2020.01]
H05B 45/56
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. . involving measures to prevent abnormal temperature of the LEDs [2020.01]
H05B 45/58
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. . involving end of life detection of LEDs [2020.01]
H05B 45/59
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. . for reducing or suppressing flicker or glow effects [2022.01]
H05B 45/60
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Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED] [2022.01]
H05B 46/00
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Circuit arrangements for operating light sources using a charge of combustible material [2020.01]
H05B 47/00
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Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant [2020.01]
H05C
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ELECTRIC CIRCUITS OR APPARATUS SPECIALLY DESIGNED FOR USE IN EQUIPMENT FOR KILLING, STUNNING, ENCLOSING OR GUIDING LIVING BEINGS (stationary means for catching or killing insects by electric means A01M 1/22; apparatus for the destruction of noxious animals, other than insects, by electricity A01M 19/00; electric traps for animals A01M 23/38; slaughtering or stunning by electric current A22B 3/06)
H05F
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STATIC ELECTRICITYNATURALLY-OCCURRING ELECTRICITY
H05G
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X-RAY TECHNIQUE (investigating or analysing materials by the use of X-rays G01N 23/00; apparatus for X-ray photography G03B 42/02; X-ray tubes H01J 35/00; TV systems having X-ray input H04N 5/321)
H05H
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PLASMA TECHNIQUE (ion-beam tubes H01J 27/00; magnetohydrodynamic generators H02K 44/08; producing X-rays involving plasma generation H05G 2/00)PRODUCTION OF ACCELERATED ELECTRICALLY- CHARGED PARTICLES OR OF NEUTRONS (obtaining neutrons from radioactive sources G21, e.g. G21B, G21C, G21G)PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS (atomic clocks G04F 5/14; devices using stimulated emission H01S; frequency regulation by comparison with a reference frequency determined by energy levels of molecules, atoms, or subatomic particles H03L 7/26)
H05K
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PRINTED CIRCUITSCASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUSMANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
H10
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SEMICONDUCTOR DEVICESELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR [2023.01]
H99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

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