Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 47 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
Patents for H01H 47 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current (7,312)
10/2003
10/29/2003CN2583804Y Multifunctional contactor with control module
10/29/2003CN1452194A Hybrid DC electromagnetic contactor
10/28/2003US6639330 Transfer relay for computer based equipment
10/28/2003US6639205 Optically controlled MEM switches
10/23/2003US20030197999 Device to increase the closing force of AC powered contactors, relays and solenoids
10/22/2003EP1203389B1 Circuitry for an electromagnetic switchgear
10/22/2003EP1012958B1 Motor reversing circuit
10/22/2003CN2582271Y Infrared, remote control and wall type switch
10/22/2003CN2582150Y Micropower electronic switch
10/22/2003CN2582149Y Micropower induction switch
10/22/2003CN2582148Y DC running adapter for ac contactor
10/22/2003CN1449967A Equipment for marking by means of series percussions
10/21/2003US6636410 Relay apparatus
10/16/2003WO2003085313A2 Device for the error-proof switching off of an electric consumer, particularly in industrial production plants
10/16/2003US20030193770 Hybrid DC electromagnetic contactor
10/16/2003US20030193766 Switching Device For Signaling A Binary Information Item
10/16/2003US20030193012 Optically controlled MEM switches
10/15/2003EP1353348A1 Elecromagnetic switching apparatus
10/15/2003EP1353344A1 Switching device for signaling a digital information
10/15/2003CN1449113A Microprocessor controlled AC switch circuit
10/15/2003CN1448975A Method for reducing contact material loss of double-coiled bistable permanent-magnet mechanism contactor
10/14/2003US6633478 System for controlling an electromagnetic device
10/09/2003WO2003083886A1 Switch device
10/09/2003US20030189482 Multi-user vehicle access control
10/08/2003CN2578962Y Energy-saving noiseless AC contactor
10/08/2003CN2578961Y Multipath assembled relays
10/02/2003US20030184164 Enabler of teaching pendant
10/01/2003EP1206788B1 Circuit arrangement for operating a relay
10/01/2003EP1203388B1 Timed tripping circuit for an electromechanical switching device
10/01/2003EP0763842B1 Solenoid relay driving circuit
10/01/2003CN2577431Y High-efficient energy-saving A.C. contactor
09/2003
09/30/2003US6628184 Field configurable contacts and contactor
09/30/2003US6628015 Safety switching device and system of safety switching devices
09/24/2003EP1346799A1 Device for marking by means of a series of percussions
09/24/2003EP1346270A2 Self-powered trainable switching network
09/24/2003EP1259969B1 Safety switch device with a first and a second input circuit breaker
09/22/2003CA2423208A1 Successive percussion indented marking device
09/18/2003US20030174457 Method for operating an electromagnetic switching device and electromagnetic switching device
09/17/2003EP1198885B1 Electronic drive control mechanism
09/17/2003CN2574204Y Intelligent wireless remote-controlled switchgear
09/12/2003WO2003074338A1 Method and circuit system for calibrating voltage and temperature deviations of the effective current of hydraulic valves in a pwm drive
09/10/2003CN2572542Y 220/380 V universal ac contact module
09/10/2003CN1441553A Power switch
09/04/2003US20030165039 Method for controlling fuel injector valve solenoid current
09/04/2003US20030165038 Circuit and method for controlling current flow through a solenoid
09/04/2003US20030164747 Method and apparatus for reducing the switching noise of an electromagnetic switching device
09/03/2003EP1341202A1 Apparatus for controlling an electromagnetic actuator
09/03/2003EP1341201A2 Electromotive adjusting device
09/02/2003US6614635 Circuit provided with a protective function
08/2003
08/28/2003US20030160517 Two-wire power switch with line-powered switch controlling means
08/27/2003CN2569448Y Electric-proof fish stealing alarm switch for fish pond
08/27/2003CN2569433Y Anti-theft motor for electric bicycle
08/27/2003CN2569329Y Operation contactor without electricity
08/26/2003US6611416 Safety relay circuit for large power contactors
08/26/2003US6611414 Control system for electromagnetic lock
08/20/2003CN2567760Y Relay for preventing machanism stop
08/20/2003CN2567759Y Contactless open-phase protection A.C. contactor
08/13/2003EP1335484A2 Method for inspecting relay contacts for contact weld in battery power source device
08/13/2003CN2566434Y Electromagnetic safety switch
08/13/2003CN1436357A Method and arrangement for controlling micromechanical element
08/13/2003CN1436356A Method for operating electromagnetic switching device and electromagnetic switching device
08/13/2003CN1118079C Circuit for controlling application of electricity to coil and electric current switching apparatus
08/12/2003US6606233 Method and apparatus for immunizing a contactor circuit from the adverse effects of a derived power supply
08/12/2003US6606228 Fault detection circuit for use with a power control device
08/06/2003EP1333460A2 Pilot circuit for relays or other similar electromechanical switching device, and method to pilot a relay by means of such circuit
08/06/2003EP1212772B1 Electromagnetic switchgear
08/05/2003US6603217 Semiconductor circuit device having hierarchical power supply structure
07/2003
07/31/2003US20030142452 Protective circut for a breaker gap
07/31/2003US20030140899 Control circuit for an actuator
07/30/2003CN2563742Y Silencing energy saving contactor with wide voltage
07/29/2003US6600643 Submarine cable branching unit with double-coil relays
07/29/2003US6600640 Electromagnetic relay
07/24/2003US20030137788 Safety switching device for safely switching off an electrical load
07/23/2003CN1431569A Power supply controller and its method
07/17/2003WO2003058663A1 Control system for electrical switchgear
07/17/2003CA2472274A1 Control system for electrical switchgear
07/15/2003US6593758 Built-in test system for aircraft indication switches
07/10/2003WO2003056581A1 Electromagnetic apparatus drive apparatus
07/08/2003US6590758 Wakeup and safety circuits
07/03/2003WO2003054895A1 Method for determining wear of a switchgear contacts
07/03/2003US20030126519 Method and apparatus for controlling an electronic control
07/03/2003US20030123212 Control system for electrical switchgear
07/02/2003CN2559090Y Cell powdered single live wire remote-controlled switchgear
07/02/2003CN1427436A Trip device with testing circuit for electric leakage to land
07/02/2003CN1113447C Device for safety disconnecting electrical load with especially high inductivity from electrical DC-voltage supply
07/01/2003US6586849 Electrical power strip for use with a computer and associated peripheral devices
06/2003
06/25/2003EP1321952A1 Enabler of teaching pendant
06/25/2003CN1426080A 继电器 Relay
06/18/2003EP1320164A1 Differential trip device with a test circuit
06/18/2003CN2556855Y Delay switch for exhaust fan
06/18/2003CN2556778Y Constand-current driven DC relay controller
06/18/2003CN2556777Y DC controller for oscillating AC contactor
06/12/2003US20030107851 Mobile high voltage network
06/12/2003US20030107343 Voltage-controlled starting relay for induction motor
06/11/2003EP1023766B1 Method and circuit for reducing voltage dips in battery supply lines
06/10/2003US6577488 Inductive load driver utilizing energy recovery
06/10/2003US6577024 Electric power steering controller
06/05/2003WO2003046940A1 Elecromagnetic switching apparatus
06/05/2003US20030102717 Electrical power strip for use with a computer and associated peripheral devices
06/04/2003EP1198813B1 Method for effecting an electronic drive control
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