ClassID:

221717

H03K17/68 - 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 specially adapted for switching ac currents or voltages

Recent Application in this class:
#1
20220311440
2022-09-29

Single live line switch circuit and control method thereof

#2
20200373922
2020-11-26

Device and method for provision of an adjustable current

#3
20190356307
2019-11-21

Circuit and method for detecting current zero-crossing point and circuit and method for detecting load voltage

#4
20190245537
2019-08-08

High reliability AC load switching circuit

#5
20180219061
2018-08-02

Operation of double-base bipolar transistors with additional timing phases at switching transitions

#6
20170373684
2017-12-28

HIGH RELIABILITY AC LOAD SWITCHING CIRCUIT

#7
20170310313
2017-10-26

Circuit and method for detecting current zero-crossing point, and circuit and method for detecting load voltage

#8
20170104478
2017-04-13

Operation of double-base bipolar transistors with additional timing phases at switching transitions

#9
20170047922
2017-02-16

Bidirectional semiconductor switch with passive turnoff

#10
20170026043
2017-01-26

Multi-voltage to isolated logic level trigger

#11
20160344300
2016-11-24

Synergistic Applications of Multi-ON-Mode Bidirectional Bipolar Switch

#12
20160252402
2016-09-01

Method for estimating a temperature of a transistor

#13
20150349750
2015-12-03

Impedance-matching network using BJT switches in variable-reactance circuits

#14
20150146468
2015-05-28

Gate driving device and inverter having the same

#15
20140167835
2014-06-19

Three terminal PIN diode

#16
20130293283
2013-11-07

RADIO FREQUENCY SWITCH COMPRISING HETEROJUNCTION BIOPOLAR TRANSISTORS

#17
20130257567
2013-10-03

Electromagnetic contactor

#18
20130193867
2013-08-01

Impedance-matching network using BJT switches in variable-reactance circuits

#19
20120188007
2012-07-26

Impedance-matching network using BJT switches in variable-reactance circuits

#20
20090224738
2009-09-10

Switching Controller

#21
20060066385
2006-03-30

Analogue switch

#22
20050007214
2005-01-13

ADSL filter

#23
14635767
2017-08-08

Switching splitter and method of operating the same