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) |
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08/24/2011 | CN201946508U 通用驱动电路 Universal driver circuit |
08/24/2011 | CN102165555A Hybrid relay and control terminal apparatus |
08/24/2011 | CN102163518A Control circuit of relay coil of electric vehicle |
08/23/2011 | US8004814 Method and apparatus for controlling a lifting magnet supplied with an AC source |
08/23/2011 | US8004813 Method and an array for magnetizing a magnetizable object |
08/23/2011 | US8001797 Air conditioner monitor and alarm system |
08/23/2011 | CA2668617C Meter having load control unit |
08/18/2011 | WO2011098282A1 Device for electric circuit monitoring, circuit arrangement for supplying a load and method for operating a circuit arrangement |
08/18/2011 | WO2011097789A1 Alternating current contactor with mechanical short circuit self-locking function |
08/18/2011 | WO2011097774A1 Alternating current contactor having function of electronic type short circuit self-locking |
08/18/2011 | US20110199712 Degaussing Apparatus with Highly Uniform Magnetic Field |
08/17/2011 | CN201936814U 交流接触器节能延寿模块 AC contactor saving life extension module |
08/17/2011 | CN201936813U 节能继电器 Energy-saving relay |
08/17/2011 | CN102157304A Secure driving device for dynamic failures |
08/16/2011 | US8000933 Method and apparatus for showing data representative of the accuracy of operations of a high-voltage switchgear |
08/16/2011 | US8000080 Particle trap |
08/16/2011 | US8000079 Relay driving module and an electronic device incorporating the same |
08/16/2011 | US8000078 Method and apparatus for controlling a lifting magnet supplied with an AC source |
08/16/2011 | US7999517 Charging control apparatus and charging apparatus |
08/11/2011 | WO2011095224A1 Controlling circuit for an electromagnetic switching device |
08/11/2011 | WO2011095223A1 Apparatus for an electromagnetic switching device |
08/11/2011 | WO2011094850A1 Radio frequency notification system and method |
08/11/2011 | US20110194224 Control Circuit for Electric Unlocking Devices Using Actuating Solenoids |
08/11/2011 | DE102010007454A1 Terminal control circuitry for use in e.g. electrical steering locking device of motor car, has arrangements connected parallel to each other and in series to control circuit such that switches switch identically during normal operation |
08/10/2011 | CN201927548U 继电器控制装置 Relay control device |
08/10/2011 | CN101635459B Switch for the access of single phase wire |
08/09/2011 | US7995320 System and method for protecting a coil structure in a controlled switch |
08/09/2011 | CA2500052C Electronic lock box with single linear actuator operating two different latching mechanisms |
08/04/2011 | US20110187557 Method and arrangement for measuring electrical usage and curtailing electrical usage of individual electrical components |
08/04/2011 | US20110187542 Radio frequency notification system and method |
08/03/2011 | CN201918318U 扩大带负载能力的继电器节电控制器 Expand with a load capacity of relay saving controller |
08/03/2011 | CN201918317U 一种继电控制装置 One kind of relay control device |
08/03/2011 | CN201918316U Relay driving circuit |
08/03/2011 | CN201917605U 高压带电无源指示器 High-voltage electric passive indicator |
08/03/2011 | CN102144168A Distributed safety monitoring system provided with a safety loop and method of testing such a system |
08/02/2011 | US7990744 Power supply saving system for an electronic device |
08/02/2011 | US7990254 Method and system for controlling an ignition switch and an operational state of a vehicle |
08/02/2011 | US7989988 Semiconductor integrated circuit device |
07/28/2011 | US20110184578 Self Optimizing Electrical Switching Device |
07/28/2011 | US20110183277 Driving method for solenoid valve, solenoid valve driving apparatus, and combustion apparatus including same |
07/28/2011 | US20110181380 Switch device, switch device system, and switch apparatus including switch device or switch device system |
07/27/2011 | CN201910371U Electronic device of electric switch |
07/27/2011 | CN201907935U Automatic power-off device for electric brake |
07/27/2011 | CN1713525B Control apparatus of semiconductor switch |
07/27/2011 | CN102136396A Contractor control circuit for prolonging service life of contact terminal of locomotive contactor |
07/27/2011 | CN102136395A Automatic device system |
07/27/2011 | CN101600609B Parking brake system with electric control |
07/27/2011 | CN101395687B Safety switching apparatus for the failsafe disconnection of an electrical load |
07/21/2011 | WO2011086113A1 Electrical component and method for controlling an electrical component |
07/21/2011 | WO2011086112A1 Method and control unit for controlling an electrical component |
07/21/2011 | US20110176249 Switching apparatus and controlling method thereof |
07/20/2011 | EP2345054A1 Switch module having sensors for detecting switch positions |
07/20/2011 | CN201904519U Power supply device |
07/20/2011 | CN101677041B Alternate current contactor auxiliary element capable for large starting pressure breakdown |
07/20/2011 | CN101504898B Permanent magnet contactor control apparatus having auxiliary contacts |
07/19/2011 | US7983015 Electrostatic discharge protection device for an optical disc drive |
07/19/2011 | US7982341 Transformer operation control apparatus and method for suppressing magnetizing inrush current |
07/14/2011 | WO2011084239A2 Systems and methods for detecting solenoid armature movement |
07/14/2011 | US20110170224 Determining a Change in the Activation State of an Electromagnetic Actuator |
07/14/2011 | US20110169342 Automatic variable power outlet for energy saving power source |
07/14/2011 | US20110169341 Power saving circuit |
07/13/2011 | EP1480862B1 Method and circuit system for calibrating voltage and temperature deviations of the effective current of hydraulic valves in a pwm drive |
07/13/2011 | CN101540242B Energy-saving magnetic latching relay circuit |
07/12/2011 | US7977824 Switching device, use thereof and a method for switching |
07/12/2011 | US7977822 Dynamically changing control of sequenced power gating |
07/07/2011 | WO2011080010A1 Starter having engagement detection functionality |
07/07/2011 | US20110162615 Method For Generating And Applying A Cleaning Voltage Pulse To A Stop Connection, and an Associated Digitally Controlled Magnetic Ignition Circuit |
07/06/2011 | CN201893294U Decompression and retardation tripping device of AC (alternating current) contactor |
07/06/2011 | CN201893293U Arcless switching relay |
07/06/2011 | CN201893292U Alternating current contactor with soft start and arcless on-off functions |
07/06/2011 | CN102119434A Worldwide adaptive multi-coil automatic transfer switch |
07/06/2011 | CN102119433A Brownout solution for electromechanical automatic transfer switch |
07/06/2011 | CN102119432A Cell phone detector for washing machines |
07/05/2011 | US7974069 Inductive and capacitive components integration structure |
07/05/2011 | US7974064 Protective relay and human-machine interface therefor |
07/05/2011 | US7973433 Power electronics devices with integrated gate drive circuitry |
07/05/2011 | US7973431 Circuit arrangement for locking and/or unlocking a door lock, especially in an electric appliance |
06/30/2011 | WO2011078187A1 Heat-generation inhibiting circuit for exciting coil in relay |
06/30/2011 | US20110157758 Control system and method for transmission solenoids |
06/30/2011 | US20110157757 Device and method for identifying the type of control for a voltage- or current-release switchgear |
06/29/2011 | EP2339604A1 System and method for detecting a switching device malfunction |
06/29/2011 | CN201886971U Multi-time frame, overlength time delay and intelligent digital readout time relay |
06/29/2011 | CN102110549A Method for shortening total action time of intelligent device |
06/29/2011 | CN101252059B Bistable state permanent magnetism alternating current contactor with rapid charging and discharging control characteristics |
06/28/2011 | US7969705 Residual magnetic devices and methods |
06/28/2011 | US7969046 Power supply control apparatus |
06/23/2011 | US20110152598 Electromagnetic field treatment apparatus and method for using same |
06/23/2011 | US20110149458 Systems and methods for detecting solenoid armature movement |
06/23/2011 | US20110149457 Electronic triggering unit for an electromagnetically actuated valve for operating a hydrostatic displacement unit |
06/22/2011 | EP2337054A2 Safety relay circuit |
06/22/2011 | DE10020075C5 Sicherheitsschaltgeräte-Modulanordnung Safety switching device module arrangement |
06/22/2011 | CN201878115U Time relay |
06/22/2011 | CN201877364U Electric switch for automatic power failure in minimum interval due to faults |
06/22/2011 | CN201877363U Relay drive circuit based on current transmission and transformation isolation technology |
06/22/2011 | CN201877362U Permanent magnetic type contactor driving circuit |
06/22/2011 | CN201874717U Electronic flexible engagement control switch |
06/22/2011 | CN101645370B Passive switch drive controller for hybrid AC contactor based on opto-coupler |
06/22/2011 | CN101416839B Soya-bean milk making machine circuit |
06/22/2011 | CN101261908B Coil-driving apparatus of electronic magnetic contactor |
06/21/2011 | US7962994 Vacuum electronic switch detection system |