ClassID:

221734

H03K17/725 - 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 having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for ac voltages or currents

Recent Application in this class:
#1
20260039296
2026-02-05

SWITCH

#2
20230121575
2023-04-20

Intelligent electrical switches

#3
20220314220
2022-10-06

Driving circuit, method for driving the same, and microfluidic device

#4
20210313893
2021-10-07

Switching module

#5
20200280310
2020-09-03

Thyristor or triac control circuit

#6
20200186147
2020-06-11

AC switch, and uninterruptible power supply and voltage sag compensator including AC switch

#7
20200052688
2020-02-13

Ultra low emission solid state relay

#8
20190214985
2019-07-11

Control of an anode-gate thyristor

#9
20190199091
2019-06-27

Multi-semiconductor solid state power controllers and method for managing inductive switching transients thereof

#10
20190115915
2019-04-18

Thyristor or triac control circuit

#11
20190103868
2019-04-04

High power compact alternate current voltage reducing power strip

#12
20180278249
2018-09-27

Triac or bypass circuit and MOSFET power steal combination

#13
20180048300
2018-02-15

Active triac triggering circuit

#14
20170353180
2017-12-07

Thyristor driving apparatus

#15
20170317526
2017-11-02

Circuit and device for power switching

#16
20170201712
2017-07-13

Standby control circuit and display device

#17
20170150568
2017-05-25

Light-dimming device

#18
20160379771
2016-12-29

Electronic device for controlling high-voltage with multiple low-voltage switches

#19
20160344384
2016-11-24

Bidirectional power switch with improved switching performance

#20
20160079233
2016-03-17

III-V SEMICONDUCTOR MATERIAL BASED AC SWITCH

#21
20160065209
2016-03-03

Rapid cutoff device and operation method for SCR AC switches

#22
20150303694
2015-10-22

Dynamic high energy switch

#23
20150077154
2015-03-19

System for measuring soft starter current and method of making same

#24
20140355317
2014-12-04

Apparatus and a method for enhancing power output in electrical circuits

#25
20140346891
2014-11-27

Device and method to break the current in power transmission or distribution system

#26
20140327399
2014-11-06

Boost capacitor sharing architecture for power supply active balancing systems

#27
20140312697
2014-10-23

Active triac triggering circuit

#28
20140312696
2014-10-23

MOSFET gate driving circuit for transition softening

#29
20140312131
2014-10-23

Triac or bypass circuit and MOSFET power steal combination

#30
20140217920
2014-08-07

Toggle switch and variable actuator control

#31
20140097689
2014-04-10

Static transfer switch

#32
20140002117
2014-01-02

System for measuring soft starter current and method of making same

#33
20140001885
2014-01-02

Energy-saving electronic touch switch

#34
20130113382
2013-05-09

Solid state relay and load drive circuit

#35
20120250200
2012-10-04

Over-temperature protected triac and protection method

#36
20120153930
2012-06-21

Load control device

#37
20110222198
2011-09-15

Alternating current overload protection apparatus and method

#38
20100321852
2010-12-23

Switching means for connecting a load to a power supply and its method of operation

#39
20100141231
2010-06-10

Igniter voltage compensation circuit

#40
20090128218
2009-05-21

METHOD AND APPARATUS FOR CONTROLLING DEVICE BY DETECTING SCR THEREOF

#41
20090021278
2009-01-22

Commutation failure detection circuit for back-to-back SCR circuit and controlling method thereof having relatively better efficiency

#42
20080180869
2008-07-31

Electrostatic discharge protection circuit device

#43
20080143421
2008-06-19

Bidirectional switch and method for driving bidirectional switch

#44
20070279070
2007-12-06

Thermal protection of a switch

#45
20070145938
2007-06-28

Excitation system for synchronous machine

#46
20070113647
2007-05-24

Switch assembly, electric machine having the switch assembly, and method of controlling the same

#47
20050158177
2005-07-21

Switch assembly, electric machine having the switch assembly, and method of controlling the same

#48
20050156557
2005-07-21

Switch assembly, electric machine having the switch assembly, and method of controlling the same

#49
20050007062
2005-01-13

Switch assembly, electric machine having the switch assembly, and method of controlling the same