H03K17/64 - CPC Classification Index

ClassID:

221711 ⎘

H03K17/64 - 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 having inductive loads

Recent Application in this class:

20240223184

2024-07-04

Circuit and method for improving efficiency by use of external inductor for temperature control

20190372570

2019-12-05

Semiconductor device

20190149148

2019-05-16

Switching circuit

20190074821

2019-03-07

VOLTAGE CONVERSION DEVICE AND VOLTAGE CONVERSION METHOD

20180375325

2018-12-27

Clamping inductive flyback voltage to reduce power dissipation

20180248365

2018-08-30

Semiconductor device and electronic control system having the same

20180241319

2018-08-23

Power module having control substrate mounted above power substrate with control substrate drivers located between the power substrate power transistors

20180212509

2018-07-26

Switching circuit

20180174786

2018-06-21

Operation coil drive device for magnetic contactor

#10

20180083617

2018-03-22

Paralleling of switching devices for high power circuits

#11

20170204805

2017-07-20

Alternating current drive for actuators

#12

20170179865

2017-06-22

Optimum current drive for a actuator control

#13

20150337984

2015-11-26

Apparatus and method of measuring coil current of hydraulic valve

#14

20150326222

2015-11-12

Arrangement and method for a power semiconductor switch

#15

20150267668

2015-09-24

Actuator with deadbeat control

#16

20150267667

2015-09-24

Actuator with feed forward control

#17

20150267666

2015-09-24

Magnetic force based actuator control

#18

20140339999

2014-11-20

Charge pump-based drive circuitry for bipolar junction transistor (BJT)-based power supply

#19

20140062576

2014-03-06

Semiconductor device

#20

20120268858

2012-10-25

High efficiency switching method and apparatus for dynamically connecting or disconnecting mutually coupled inductive coils

#21

20110248770

2011-10-13

System and method for driving bipolar transistors in switching power conversion

#22

20110220067

2011-09-15

Fuel injection system for internal-combustion engine and method of controlling fuel injection system for internal-combustion engine

#23

20100219782

2010-09-02

Electric motor

#24

20090072809

2009-03-19

Method for detection of the presence of a load and drive circuit

#25

20090040796

2009-02-12

Bipolar transistor drivers

#26

20080259648

2008-10-23

Switching control in DC-DC-converters

#27

20080231344

2008-09-25

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

#28

20080074157

2008-03-27

Inductive load driving system

#29

20070139095

2007-06-21

System and method for driving bipolar transistors in switching power conversion

#30

18649705

2025-09-16

Hybrid analog key structure

#31

17316069

2022-05-03

High-speed multiplexer

#32

14996689

2017-04-11

Electronic circuit for driving an output current signal and method of driving the output current signal from the electronic circuit to achieve an altered transition of the output current signal