ClassID:

203226

H01H2047/025 - CPC Classification

Classification description:

Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay with taking into account of the thermal influences, e.g. change in resistivity of the coil or being adapted to high temperatures

Recent Application in this class:
#1
20250104947
2025-03-27

Load Switching System and Circuit

#2
20230352257
2023-11-02

Relay protective device, construction machine, relay protection control method and apparatus

#3
20220157504
2022-05-19

Method for closing a contactor, and contactor having temperature compensation

#4
20200402738
2020-12-24

Power supply control device, power supply control method, and computer program

#5
20200258706
2020-08-13

Switch system

#6
20200098533
2020-03-26

Electromagnetic relay deicing system including control circuit

#7
20190044460
2019-02-07

PCB motor controller with POW switching

#8
20180315566
2018-11-01

Circuit and method for providing a constant magnetic field to actuate electromechanical relays and contactors over a large temperature range

#9
20180061604
2018-03-01

Controllable tripout for an electrical circuit breaker

#10
20180040445
2018-02-08

Relay drive circuit with a current mirror circuit

#11
20170222428
2017-08-03

Magnetic coil driving circuit for magnetic contactor

#12
20170018384
2017-01-19

Method for monitoring the state of the earthing contacts of a contactor controllable by means of an exciter coil

#13
20150371799
2015-12-24

Blinking device

#14
20140103298
2014-04-17

Graphene-based films in sensor applications

#15
20130278269
2013-10-24

Method for predicting the usability of a relay or a contactor

#16
20130144552
2013-06-06

Method for evaluating the temperature of an electro-magnetic contactor and contactor for implementation of said method

#17
20130009464
2013-01-10

System and Method for Controlling a Battery Pack Output Contactor

#18
20120139362
2012-06-07

Fail-Safe Switching Module

#19
20120002341
2012-01-05

Relay controller for defined hold current for a relay

#20
20120002340
2012-01-05

Relay controller

#21
20090284889
2009-11-19

Relay controller for controlling an excitation current of a relay

#22
20060139839
2006-06-29

Constant current relay drive circuit

#23
20050135040
2005-06-23

Relay device having holding current stabilizing and limiting circuit

#24
17836432
2023-08-29

Signal conditioning circuit