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