by switching-in or -out impedance external to the relay winding

Industry

CPC
H01H47/10

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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H47/00Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current

Current Industry

H01H47/10by switching-in or -out impedance external to the relay winding

Industries

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Air conditioner having relay coil abnormality voltage control
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Contactor coil control circuit
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Circuit arrangement for operating electromagnetic drive systems
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- Issue date Aug 25, 2020
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Coil actuator for a switching device and related switching device
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Electromagnetic contactor
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Relay drive device
- Patent number 9,530,597
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Magnetic contactor
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Electric vehicle support equipment having a smart plug with a relay...
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Heat generation inhibiting circuit for exciting coil in relay
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Method and circuit for increasing the speed of electromechanical ou...
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Method of providing electrical current to a contactor circuit
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Bidirectional DC motor control circuit including overcurrent protec...
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Circuit for driving a contactor
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Circuit arrangement for driving a contactor
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Refrigeration system configuration
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Refrigeration system configuration
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Patents Applicationslast 30 patents

Information Patent Application
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AIR CONDITIONER
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- Publication date Dec 5, 2019
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- F24 - HEATING RANGES VENTILATING
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CONTACTOR COIL CONTROL CIRCUIT
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- MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO., LTD.
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ELECTRIC VEHICLE SUPPORT EQUIPMENT HAVING A SMART PLUG WITH A RELA...
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Method And Circuit For Increasing The Speed Of Electromechanical Ou...
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by switching-in or -out impedance external to the relay winding

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Relay control device

Air conditioner having relay coil abnormality voltage control

Contactor coil control circuit

Circuit arrangement for operating electromagnetic drive systems

Coil actuator for a switching device and related switching device

Electromagnetic contactor

Relay drive device

Magnetic contactor

Electric vehicle support equipment having a smart plug with a relay...

Magnetic contactor

Heat generation inhibiting circuit for exciting coil in relay

Low energy electromagnetic relay

Method and circuit for increasing the speed of electromechanical ou...

Method of providing electrical current to a contactor circuit

Bidirectional DC motor control circuit including overcurrent protec...

Circuit for driving a contactor

Current limiting circuit

Circuit arrangement for driving a contactor

Refrigeration system configuration

Fuzzy logic adaptive defrost control

Defrost cycle controller

Refrigeration system with failure mode

Refrigeration control circuit with self-test mode

Output circuit for controlling a relay which has capability for ope...

Relay energizing circuit

Defrost cycle controller

Refrigeration system configuration

Defrost cycle controller

Refrigerator control circuit with relay operation checking

Electromagnetic solenoid drive apparatus in a vehicle

Patents Applicationslast 30 patents

RELAY CONTROL DEVICE

AIR CONDITIONER

CONTACTOR COIL CONTROL CIRCUIT

ELECTRIC VEHICLE SUPPORT EQUIPMENT HAVING A SMART PLUG WITH A RELA...

Method And Circuit For Increasing The Speed Of Electromechanical Ou...

LOW ENERGY ELECTROMAGNETIC RELAY

HEAT GENERATION INHIBITING CIRCUIT FOR EXCITING COIL IN RELAY