ClassID:

221742

H03K17/785 - CPC Classification

Classification description:

Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling field-effect transistor switches

Recent Application in this class:
#1
20260058657
2026-02-26

SiC-BASED POWER MODULE UTILIZING HIGH-TEMPERATURE GATE DRIVERS WITH OPTICAL FIBER-BASED ISOLATORS

#2
20250338640
2025-10-30

LOW RESISTANCE LIGHT CONTROLLED SEMICONDUCTOR SWITCH (LCSS)

#3
20250221083
2025-07-03

SEMICONDUCTOR RELAY AND SEMICONDUCTOR RELAY MODULE PROVIDED WITH SAME

#4
20240322822
2024-09-26

Semiconductor device

#5
20240146302
2024-05-02

Semiconductor device

#6
20240097064
2024-03-21

LOW RESISTANCE PHOTOCONDUCTIVE SEMICONDUCTOR SWITCH (PCSS)

#7
20220337244
2022-10-20

OPTICAL POWER FOR ELECTRONIC SWITCHES

#8
20220302916
2022-09-22

High speed switching solid state relay circuit

#9
20220302337
2022-09-22

Semiconductor device

#10
20220285333
2022-09-08

PHOTORELAY

#11
20220262779
2022-08-18

SEMICONDUCTOR DEVICE

#12
20220239291
2022-07-28

Drive circuit for a power semiconductor circuit

#13
20220094357
2022-03-24

Optically switched IGBT

#14
20210375957
2021-12-02

Open circuit voltage photodetector

#15
20210175221
2021-06-10

Photorelay

#16
20210167776
2021-06-03

High speed switching solid state relay circuit

#17
20200152102
2020-05-14

Signal measurement circuit and measurement method therefor

#18
20200091908
2020-03-19

Pulse generator and consumption meter

#19
20200052688
2020-02-13

Ultra low emission solid state relay

#20
20200007126
2020-01-02

Bidirectional electronic switch and dimmer comprising a light emitting device to illuminate a photo-activated electronic device

#21
20190386659
2019-12-19

Battery-operated electronic switching device having a power-free stand-by mode

#22
20190379376
2019-12-12

High speed switching solid state relay circuit

#23
20190333310
2019-10-31

Single-stage active integrator with multiplication of photodiode current

#24
20190326465
2019-10-24

Semiconductor relay

#25
20190296730
2019-09-26

SEMICONDUCTOR DEVICE AND POWER CONVERTOR

#26
20190222211
2019-07-18

SWITCHING POWER MODULE COMBINING A GATE DRIVER WITH A PHOTONIC ISOLATED POWER SOURCE

#27
20190213847
2019-07-11

Doorbell sound output device controllers, doorbell switches, and associated systems and methods

#28
20190181749
2019-06-13

Circuit and system implementing a power supply configured for spark prevention

#29
20190140640
2019-05-09

Electronic switch and dimmer

#30
20180321300
2018-11-08

Signal distribution apparatus

#31
20180316347
2018-11-01

High speed switching solid state relay circuit

#32
20180286612
2018-10-04

Systems and methods for sending a power signal to a power switching device with galvanic isolation

#33
20180254160
2018-09-06

Solid-state relay

#34
20180197383
2018-07-12

Doorbell sound output device controllers, doorbell switches, and associated systems and methods

#35
20180076801
2018-03-15

Circuit device including comparator circuit with switching circuit for offset prevention

#36
20180019681
2018-01-18

GALVANIC ISOLATED DEVICE AND CORRESPONDING METHOD AND SYSTEM

#37
20170359062
2017-12-14

POWER SWITCH

#38
20170272158
2017-09-21

Driver system with an optical power based isolated power supply

#39
20170201712
2017-07-13

Standby control circuit and display device

#40
20170194955
2017-07-06

Dynamic Snubber Switch for AC Load Side Application

#41
20170163162
2017-06-08

Flyback power converter with programmable output and control circuit and control method thereof

#42
20160359358
2016-12-08

Standby power saving circuit

#43
20160344385
2016-11-24

High speed switching solid state relay circuit

#44
20160190379
2016-06-30

Signal output circuit

#45
20160152156
2016-06-02

Electronic device for controlling the electric charge of a load electrically supplied by a battery pack and system for moving an electric or hybrid traction vehicle using the device

#46
20160126949
2016-05-05

Adjustable internal gate resistor

#47
20160079977
2016-03-17

Over-current and/or over-voltage protection circuit

#48
20150326219
2015-11-12

Driving circuit for IGBT module

#49
20150222257
2015-08-06

Isolated high speed switch

#50
20150043115
2015-02-12

Solid state relay protective device

#51
20140284669
2014-09-25

Optoelectronic integrated device including a photodetector and a MOSFET transistor, and manufacturing process thereof

#52
20140284629
2014-09-25

Photocoupler

#53
20140183340
2014-07-03

Optically controlled MEMS switch and method of using the same

#54
20130307514
2013-11-21

Output module for industrial control with sink and source capability and low heat dissipation

#55
20130299841
2013-11-14

GaN-Based Optocoupler

#56
20130265098
2013-10-10

Solid-state relay

#57
20130207619
2013-08-15

Device and method to discharge a capacitor for use in the electric power system of an electric drive vehicle

#58
20130154391
2013-06-20

Solid-state circuit breakers and related circuits

#59
20130135031
2013-05-30

Circuit for switching electric potentials via autarkic, self-supplying stages

#60
20130033300
2013-02-07

Semiconductor device having at least a transistor cell with a second conductive type region surrounding a wall region and being insulated from both gate electrode and source electrode and solid state relay using same

#61
20130009491
2013-01-10

Switching module for use in a device to limit and/or break the current of a power transmission or distribution line

#62
20120293218
2012-11-22

Drive circuit for voltage-control type of semiconductor switching device

#63
20120199851
2012-08-09

Semiconductor relay

#64
20120176176
2012-07-12

Resonant gate drive circuit for a power switching device in a high frequency power converter

#65
20120176135
2012-07-12

Optically controlled MEMS switch and method of using the same

#66
20110267132
2011-11-03

Bi-directional circuit breaker

#67
20110096451
2011-04-28

High speed solid-state relay with controller

#68
20100277006
2010-11-04

Solid state circuit breaker

#69
20100102208
2010-04-29

Circuit and method for operating a circuit

#70
20100051787
2010-03-04

Photodetector

#71
20100026371
2010-02-04

Switching device and switching arrangements for switching at high operating voltage

#72
20090322157
2009-12-31

RF AC/DC coupling circuit using general purpose solid-state relay

#73
20090315608
2009-12-24

Energy saving driving circuit and associated method for a solid state relay

#74
20090269084
2009-10-29

Light receiving circuit and digital system

#75
20090238225
2009-09-24

6K pulse repetition rate and above gas discharge laser system solid state pulse power system improvements

#76
20090152443
2009-06-18

Photo relay having an insulated gate field effect transistor with variable impedance

#77
20090134314
2009-05-28

Energy saving driving circuit and associated method for a solid state relay

#78
20090115490
2009-05-07

Optical semiconductor relay device for reducing transient voltage between output terminals of the relay and maintaining high operation speed and low capacitance characteristics

#79
20090085542
2009-04-02

DRIVE SYSTEM FOR POWER SEMICONDUCTOR DEVICE

#80
20090014669
2009-01-15

Semiconductor relay

#81
20080296520
2008-12-04

OPTICAL COUPLING DEVICE

#82
20080265975
2008-10-30

Method for controlling vertical type MOSFET in bridge circuit

#83
20080205100
2008-08-28

Semiconductor circuit

#84
20080136567
2008-06-12

Auxiliary device and data transmission method, auxiliary unit and electrical circuit breaker comprising said device

#85
20080043505
2008-02-21

Half bridge inverter with dual N-MOS

#86
20080012623
2008-01-17

Safe output circuit with a one-channel peripheral terminal for the ouput of a bus user

#87
20070133144
2007-06-14

Driver system for MOSFET based, high voltage electronic relays for AC power switching and inductive loads

#88
20070084987
2007-04-19

Low power switching for antenna reconfiguration

#89
20070071047
2007-03-29

6K pulse repetition rate and above gas discharge laser system solid state pulse power system improvements

#90
20070058406
2007-03-15

Control device for power conversion circuit

#91
20060255984
2006-11-16

Complementary transistor comparing circuits for time-to-threshold A/D conversion in digital imaging arrays

#92
20060245122
2006-11-02

Electrical load switch

#93
20060197112
2006-09-07

Optical Coupling Device

#94
20060158039
2006-07-20

Circuit for preventing simultaneous on operations

#95
20060044046
2006-03-02

Gate drive circuit with negative offset

#96
20060027735
2006-02-09

Semiconductor relay device

#97
20060017391
2006-01-26

Power control photocoupler and electronic device in which the power control photocoupler is used

#98
20050280403
2005-12-22

MOSFET drive circuit, programmable power supply and semiconductor test apparatus

#99
20050219094
2005-10-06

Comparing circuits for time-to-threshold A/D conversion in digital imaging arrays

#100
20050168074
2005-08-04

Power supply for electronic switch

#101
20050152440
2005-07-14

Optoelectronic receiver circuit for digital communication

#102
20050145699
2005-07-07

Isolated control apparatus incorporating light controlled power semiconductors

#103
20050043928
2005-02-24

Multiplexer method and system for intrinsically safe applications and a multiplexer switch for use therein

#104
20050041444
2005-02-24

Semiconductor device

#105
18463462
2024-05-28

Light controlled switch module

#106
17070794
2022-01-11

Electronic switch and method for operation thereof

#107
15191494
2019-10-15

Dual gate III-switch for high voltage current relay