Patents
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)
09/2010
09/16/2010US20100232082 Relay switching method and hybrid relay switch
09/15/2010EP2228895A1 Inverter with utility grid interface
09/15/2010EP2228813A1 Medium or high voltage apparatus comprising a monitoring and chargig device for a capacitor used for driving a magnetic actuator
09/15/2010CN201584370U Electromagnetic converting system of alternating current contactor
09/15/2010CN201584369U Digital type multi-time base off-delay time relay
09/15/2010CN201584368U Electronic time relay
09/15/2010CN201584367U AC and DC general voltage dropout preventive contactor controller
09/15/2010CN101836355A Method for detecting a load drop
09/15/2010CN101834093A Relay drive method and device for protecting relay contact
09/10/2010WO2010056031A3 Wall-mounted electronic switch and load equipment thereof
09/09/2010US20100226160 Power Generation System and Inverter for Feeding Power Into a Three-Phase Grid
09/09/2010US20100226060 Standby power cut-off device and control method for the same
09/09/2010US20100226059 Contactor engagement system and method
09/09/2010US20100226058 Method for Progressively Introducing Current into a Superconducting Coil Mounted on a Former
09/08/2010CN201576629U Arc suppression circuit for alternating current contactor
09/08/2010CN101827504A PLC (Programmable logic Controller) open relay inserting case
09/08/2010CN101826417A Method and device for controlling low current of relay
09/08/2010CN101826416A Swtiching phase offset for contactor optimization
09/07/2010US7791856 Method and apparatus for moving material
09/07/2010US7791853 Control apparatus of semiconductor switch
09/07/2010US7791226 Bidirectional connection between a digital control circuit and an AC switch
09/07/2010US7789072 Fuel injection circuit with selectable peak injection currents
09/02/2010WO2010099549A1 Piggyback adapter system and method
09/02/2010WO2010098795A1 +28v aircraft transient suppression
09/02/2010DE19623674B4 Schaltschütz Contactor
09/01/2010EP2223320A1 Circuit for a contact relay
09/01/2010CN201570446U AC contactor
09/01/2010CN201570445U Control circuit of single pole triple throw radio-frequency switch with set of normally closed contacts
09/01/2010CN201570444U Main contactor energy-saving circuit with wide-range voltage input
09/01/2010CN101819906A Electronic switch
09/01/2010CN101819013A Detonator system
08/2010
08/31/2010US7787231 High voltage generating circuit, ion generating device and electrical apparatus
08/31/2010US7784881 Method and circuit system for calibrating voltage and temperature deviations of the effective current of hydraulic valves in a PWM drive
08/26/2010US20100214711 +28v aircraft transient suppression
08/26/2010US20100213772 Superconducting switch operation
08/26/2010US20100213771 Electronic Device and Printing Device
08/25/2010EP2220664A1 Relay switching method and hybrid relay switch
08/25/2010EP2220662A1 Electric motor drive provided with electric energy accumulation for switch-devices
08/25/2010CN201562630U On-off isolation circuit of relay
08/25/2010CN201562629U Electronic controller for electromagnetic controlled electrical switch
08/25/2010CN1942923B Drive with capacitive coupling, drive circuit and display
08/25/2010CN101814398A Alternating current contactor and control method thereof
08/24/2010US7782590 Medical fluid machine having solenoid control system with reduced hold current
08/19/2010US20100208408 Light-Activated Switch and Circuit for Select-Fire Perforating Guns
08/19/2010US20100208407 Method and apparatus for controlling a lifting magnet of a materials handling machine
08/19/2010US20100207461 Power-on signal transmitting system and power-on signal transmitting method
08/18/2010EP2217893A1 Device for determining and/or monitoring a process parameter
08/18/2010EP2217475A1 Device for the electric actuation of a safety-critical system
08/18/2010CN201556570U Miniature circuit breaker provided with control interface
08/18/2010CN101807490A Method and circuit for prolonging service life of relay and device
08/17/2010US7778002 Method and apparatus to reduce ring out in an ignition coil to allow for ion sense processing
08/17/2010CA2416074C Self-powered switching device
08/12/2010WO2010089225A1 Activation circuit for a gear brake
08/12/2010US20100201207 Apparatus for controlling electrical power distribution to charging devices
08/11/2010EP1891654B1 Electromagnetic switching device and method for the operation thereof
08/11/2010CN201549416U Intelligent power getting switch
08/11/2010CN201548579U Delayed-response transducer for withstand voltage test of transformer
08/10/2010US7772776 Display device with panel and chassis base aligned
08/10/2010US7772723 Electrical panel having electrically isolated neutral stab
08/10/2010US7772722 Switching system and method for adjustment thereof
08/05/2010DE102009007576A1 Circuit breaker for protecting consumer load, has latching magnets comprising winding that is supplied with current, where voltage over magnets is detected, such that increase of voltage above preset value signalizes error in winding
08/04/2010CN101795013A Electric power polarity automatic conversion wiring device
07/2010
07/28/2010EP2210262A1 System and method for protecting a coil structure in a controlled switch
07/28/2010CN101789334A Relay zero crossing disconnection arc extinguishing method
07/28/2010CN101789333A Alternating current contactor with electronic short circuit self-locking function
07/28/2010CN101789332A Alternating current contactor with mechanical short circuit self-locking function
07/27/2010CA2363995C Relay apparatus
07/22/2010WO2010083255A1 A system for precisely controlling the operational characteristics of a relay
07/21/2010EP2208215A1 Switching arrangement and method for controlling an electromagnetic relay
07/21/2010CN201533153U Control circuit for preventing frequent make-and-break of alternating current contactor
07/21/2010CN201532904U Energy-saving sound-deadening coil of a contactor
07/21/2010CN201532687U Pub noise warning control device
07/20/2010US7761192 Complex signal processing system and related method for controlling multiple fans
07/15/2010US20100177453 System for precisely controlling the operational characteristics of a relay
07/15/2010DE102009000125A1 Electromagnetic switching element i.e. relay, controlling device, has coils independently supplied with current, where magnetic force acting on electromagnetic switching element i.e. relay, is exerted by current feed of coils
07/15/2010DE10134346B4 Vorrichtung zur Ansteuerung eines Elektromagneten A device for controlling an electromagnet
07/14/2010EP2141781B1 Switching device with a bistable relay between a network and an inverter
07/14/2010EP1424171B1 Method for judging communication state in a control system of linked joints
07/14/2010CN201527933U Driving circuit for tripping and closing coil
07/14/2010CN101777897A Driving control device and method for AC inductive load
07/14/2010CN101777843A Ac adapter and control method thereof
07/14/2010CN101777800A Power supply control circuit with zero power consumption in idle load state
07/13/2010US7755222 Method and system for high power switching
07/13/2010US7755221 Electronic device with compound audio interface and power adapter
07/08/2010WO2010076233A1 A household appliance with increased safety control
07/07/2010CN201522639U Idling automatic shutdown circuit
07/07/2010CN101770898A Relay contact bounce circuit
07/07/2010CN101770897A Control device of AC contactor
07/07/2010CN101266888B A high-power mixed DC contactor and its control method
07/06/2010US7750510 Device switch actuation
07/01/2010WO2010074754A1 Procedure and apparatus to bypass an energized substation switch
07/01/2010US20100165535 Method and Device for Operating a Switching Device
07/01/2010US20100165534 Magnetic field generation device
07/01/2010US20100163360 Solenoid valve
06/2010
06/30/2010EP1859465B1 Electric supply circuit, switch actuating device and method for operating said switch actuating device
06/30/2010CN201518294U Silencing power saver for contactor
06/30/2010CN101763984A Circuit and method for controlling relay in soymilk machine circuit
06/29/2010US7747376 Method for monitoring a control circuit and actuating device
06/29/2010US7743748 Method of controlling the operation of a solenoid
06/24/2010US20100157502 System for decoupling a power source from a load
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