Patents-Review.com
ClassID:

221695 ⎘

H03K17/61 - CPC Classification

Classification description:

Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors with galvanic isolation between the control circuit and the output circuit using transformer coupling

Recent Application in this class:
#1
20250253849
2025-08-07

SIGNAL TRANSMISSION CIRCUIT DEVICE, SEMICONDUCTOR DEVICE, METHOD AND APPARATUS FOR INSPECTING SEMICONDUCTOR DEVICE, SIGNAL TRANSMISSION DEVICE, AND MOTOR DRIVE APPARATUS USING SIGNAL TRANSMISSION DEVICE

 #2
20230253963
2023-08-10

SIGNAL TRANSMISSION CIRCUIT DEVICE, SEMICONDUCTOR DEVICE, METHOD AND APPARATUS FOR INSPECTING SEMICONDUCTOR DEVICE, SIGNAL TRANSMISSION DEVICE, AND MOTOR DRIVE APPARATUS USING SIGNAL TRANSMISSION DEVICE

 #3
20220399887
2022-12-15

High-power switching module for the direct pulse energy feeding of a consumer

 #4
20220045677
2022-02-10

Circuitry for providing digitally stable ground

 #5
20220045676
2022-02-10

Circuitry for providing digitally stable ground

 #6
20220020843
2022-01-20

Lateral coreless transformer

 #7
20210351772
2021-11-11

Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device

 #8
20200313671
2020-10-01

Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device

 #9
20200235732
2020-07-23

Stray voltage detection

 #10
20200083883
2020-03-12

Circuitry for providing digitally stable ground

 #11
20190386651
2019-12-19

Drive circuit of power semiconductor switch

 #12
20190334522
2019-10-31

SIGNAL TRANSMISSION CIRCUIT DEVICE, SEMICONDUCTOR DEVICE, METHOD AND APPARATUS FOR INSPECTING SEMICONDUCTOR DEVICE, SIGNAL TRANSMISSION DEVICE, AND MOTOR DRIVE APPARATUS USING SIGNAL TRANSMISSION DEVICE

 #13
20190181857
2019-06-13

Gate drive devices and switching systems

 #14
20190173462
2019-06-06

Method and device for controlling a semiconductor switch

 #15
20180302068
2018-10-18

Receiver, communication device, and communication method

 #16
20180248492
2018-08-30

POWER CONVERSION DEVICE AND DRIVE DEVICE

 #17
20180119976
2018-05-03

Thermostat with power stealing

 #18
20180026611
2018-01-25

Signal transmission circuit and vehicle

 #19
20170310243
2017-10-26

Signal transmission circuit provided with logic circuit

 #20
20170194959
2017-07-06

Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device

 #21
20170070221
2017-03-09

Switch controller with validation circuit for improved noise immunity

 #22
20170012551
2017-01-12

Power conversion device and drive device

 #23
20160329889
2016-11-10

Gate drive circuit to reduce parasitic coupling

 #24
20160277071
2016-09-22

System for transmitting and receiving a power line communication signal over the power bus of a power electronic converter

 #25
20160233786
2016-08-11

Synchronous rectifier

 #26
20160226392
2016-08-04

Driver board and power converter

 #27
20160191053
2016-06-30

Isolated uni-polar transistor gate drive

 #28
20160006337
2016-01-07

Switch controller with validation circuit for improved noise immunity

 #29
20150381065
2015-12-31

Double-ended forward converter and power supply device

 #30
20150380931
2015-12-31

Power conversion device, driving device and driving method

 #31
20150333749
2015-11-19

Circuit arrangement and method for controlling semiconductor switching element

 #32
20150137843
2015-05-21

Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device

 #33
20150085536
2015-03-26

Insulated power supply apparatus with upper arm transformers and a lower arm transformer

 #34
20150078039
2015-03-19

Insulated power supply apparatus for power conversion apparatus including series of connections of upper and lower arms switching elements connected to each other

 #35
20130049853
2013-02-28

SUPPRESSION OF OVERVOLTAGE CAUSED BY AN INDIRECT LIGHTNING STRIKE

 #36
20130009675
2013-01-10

Gate driver

 #37
20120212251
2012-08-23

Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device

 #38
20100178550
2010-07-15

Power supply with magistor switching

 #39
20100052768
2010-03-04

Gate-charge retaining switch

 #40
20090243683
2009-10-01

Pulse transformer driver

 #41
20090167412
2009-07-02

GATE-CHARGE RETAINING SWITCH

 #42
20080231344
2008-09-25

Power-diode driver having expansible isolated sub-drivers using single power source

 #43
20070247006
2007-10-25

Charge limited high voltage switch circuits

 #44
20050254267
2005-11-17

Compensation circuit and drive circuit including such a compensation circuit

 #45
20050134357
2005-06-23

Modulated transistor gate driver with planar pulse transformer