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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12/22/2010 | CN101425429B Pulse excitation circuit |
12/21/2010 | US7855903 System and method for programming an internal parameter or feature in a power converter with a multi-function connector |
12/16/2010 | US20100314951 Load condition controlled power module |
12/15/2010 | CN201673862U Intelligent permanent magnetic alternating current contactor controlled by weak magnet |
12/15/2010 | CN101916689A Control module for mine vacuum electromagnetic starters |
12/15/2010 | CA2707873A1 Three-way switch for home automation apparatus and method |
12/14/2010 | US7851948 Semiconductor device |
12/09/2010 | US20100309601 Micro-Power pulse Controller for Magnetic Latch Solenoids, Relays and Valves |
12/09/2010 | US20100309600 Apparatus for determining and/or monitoring a process variable |
12/08/2010 | CN101908439A Self-adaptive electromagnetic relay zero-crossing on and off control method |
12/07/2010 | US7848855 Method for operating a system of modular structure, in particular a process automation system |
12/07/2010 | US7847683 Emergency machine off feature with safety control interface |
12/02/2010 | US20100302757 Energy Efficient Power Adapter |
12/02/2010 | US20100302052 Intellectualized polarity identification device |
12/02/2010 | DE102007002060B4 Vorrichtung und Verfahren zum Beurteilen eines fehlerhaften Betriebs eines Kochfeldes Apparatus and method for judging an erroneous operation of a cooking hob |
12/01/2010 | EP2256777A2 Movable contact failure detecting device |
12/01/2010 | CN201663106U Time relay |
12/01/2010 | CN1624840B Method and apparatus to independently control contactors in a multiple contactor configuration |
12/01/2010 | CN101574571B Emergency stop switch circuit meeting CE requirements for electric treadmill |
12/01/2010 | CN101425403B Pulse excitation circuit |
11/30/2010 | US7843098 Method for operating an electromotive drive |
11/25/2010 | US20100296221 Protective relay and human-machine interface therefor |
11/24/2010 | CN201655688U Silent energy-saving AC contactor |
11/24/2010 | CN201655679U Low-voltage contactor delay circuit device |
11/24/2010 | CN201655678U Alternating current contactor with mechanical short-circuit self-locking function |
11/24/2010 | CN201655677U Switching circuit for keeping electric appliances from being actively turned on in case of power restoration after power failure |
11/24/2010 | CN201655676U Low-voltage control device of relay |
11/24/2010 | CN201655675U Control circuit using strong current drive relay and traffic sign power supply equipment |
11/24/2010 | CN201655674U Explosion-proof power supply device |
11/24/2010 | CN1532865B Operation circuit and electric power switch device using it |
11/23/2010 | US7839026 Power discharge control system |
11/18/2010 | US20100290170 Power Controller, Electronic Apparatus, and Control Method of Power Controller |
11/17/2010 | EP1925010B1 Control circuit for a relay |
11/17/2010 | CN201638752U Small-sized alternating current contactor |
11/17/2010 | CN201638631U Energy-storing energy-saving circuit for DC electromagnetic action devices |
11/17/2010 | CN101889323A Switching arrangement and method for controlling an electromagnetic relay |
11/17/2010 | CN101889191A Device for determining and/or monitoring a process parameter |
11/17/2010 | CN101887822A Relay small-voltage control device and method |
11/16/2010 | US7834865 Rotary actuator |
11/16/2010 | US7834486 Apparatus and method for powering load center circuits with an auxiliary power source |
11/16/2010 | US7834485 Controlling apparatus of a power converter of single-phase current for photovoltaic generation system |
11/11/2010 | US20100284120 System and method for superconducting magnet ramp-down |
11/11/2010 | US20100284119 Compensating Temperature Effects in Magnetic Actuators |
11/10/2010 | EP1869687B1 Safety switch for the safe disconnection of an electric consumer |
11/10/2010 | CN201629265U Arc-less device |
11/10/2010 | CN101881945A Wireless remote relay |
11/10/2010 | CN101095205B Electrical contactor and associated contactor-closure control method |
11/04/2010 | US20100277848 Apparatus and method for controlling excitation frequency of magnetostrictive ultrasonic device |
11/04/2010 | US20100275934 Magnetic Method and System for Locating A Target |
10/28/2010 | WO2010122648A1 Power supply system of electric vehicle and control method thereof |
10/27/2010 | CN101873955A Device for the electric actuation of a safety-critical system |
10/26/2010 | US7821761 Current inductive timer socket |
10/26/2010 | US7821760 Counter electromotive force prevention unit |
10/21/2010 | US20100265630 Relay with Current Transformer |
10/21/2010 | US20100265629 Relay Coil Drive Circuit |
10/21/2010 | US20100265628 Redundant Power Supply with a Switchable, Linear Voltage Regulator |
10/20/2010 | CN201611635U 数字式多时基往复循环型时间继电器 Digital cyclical long time relay base |
10/20/2010 | CN201611634U 一种交流接触器的控制装置 An AC contactor control device |
10/20/2010 | CN201611438U 一种遥控式继电器 A remote control relay |
10/20/2010 | CN101867531A Subline switch |
10/20/2010 | CN101867293A Batch type current consuming quasi-zero power consumption standby control circuit |
10/20/2010 | CN101867227A Method and device for electrically controlling high voltage circuit breaker to switch on or switch off |
10/20/2010 | CN101866777A Reverse flux-weakening control type intelligent permanent magnet contactor with no position sensor |
10/19/2010 | US7817400 Relay actuator circuit and method |
10/19/2010 | US7817399 PWM drive apparatus and method for correcting output offset thereof |
10/19/2010 | US7817057 Wrist strap monitor remote alarm panel display |
10/19/2010 | US7816816 Semiconductor device |
10/19/2010 | US7816815 System and method for the detection of regenerated AC voltage |
10/14/2010 | US20100259862 Safety switching device and modular failsafe control system |
10/14/2010 | US20100259861 Solenoid drive method that conserves power |
10/14/2010 | DE102009015605A1 Method for monitoring contact condition of relay contacts for vehicle, involves subjecting contact with pulses of monitoring power and pulse time and with other pulses of other power and other time for contact cleaning |
10/13/2010 | EP2239752A1 Secure switching device and modular error-proof control system |
10/13/2010 | CN201608107U 电子式切换开关防火花控制回路 Electronic switch control circuit sparkproof |
10/13/2010 | CN101859666A Device for controlling cast-weld time automatically and control method thereof |
10/07/2010 | WO2010113904A1 Charge system, charger, and method for detecting closing/fixing of relay |
10/07/2010 | US20100254062 MEMS Switching Device Protection |
10/07/2010 | DE102009014944A1 Modulare Schaltungsanordnung zum Schalten elektrischer Leistungen sowie ein dazu ausgebildeter Adapter Modular circuitry for switching electrical services as well as a trained adapter to |
10/07/2010 | DE102009014808A1 Verfahren und Vorrichtung zum Ansteuern eines eine Ansprechverzögerung aufweisenden Steuerelements einer Antriebseinrichtung Method and device for driving a control element having a response delay of a drive device |
10/06/2010 | CN201601085U 无线钟控开关 Wireless clocked switch |
10/06/2010 | CN201601084U 智能节能交直流接触器控制器 Energy Smart AC and DC contactors controller |
10/06/2010 | CN1744250B Power-off self-closing control circuit for bistable electromagnetic valve |
10/06/2010 | CN1722909B Remote control wiring mechanism |
10/05/2010 | US7808764 System and method for avoiding contact stiction in micro-electromechanical system based switch |
09/30/2010 | US20100250194 Electrical system integrity testing methods and apparatus |
09/30/2010 | US20100246086 Solenoid driving device and active vibration isolating support device equipped with the same |
09/29/2010 | EP2232660A1 Nonvolatile status indicator switch |
09/29/2010 | EP2057658B1 Terminal unit of a bus system |
09/29/2010 | CN101849273A Apparatus and method for supplying power to a voltage- or current-releasing switching device |
09/28/2010 | US7804674 Position recognition in an electromagnetic actuator without sensors |
09/28/2010 | US7804202 Method and apparatus for mode selection for high voltage integrated circuits |
09/28/2010 | US7804199 Fail-safe circuit for gas valves |
09/23/2010 | US20100238600 Semiconductor device |
09/23/2010 | US20100237712 Power-saving hand-held electronic device |
09/23/2010 | US20100236306 Holding coil for electronic lock |
09/22/2010 | CN201590380U Recording type remote control switch |
09/22/2010 | CN201590379U Power saving protector driven by AC contactor |
09/22/2010 | CN201590248U Single-chip machine timing on-off and remote controller on-off control circuit |
09/22/2010 | CN201586755U Electronic contactor for tapping machine for automatic lathe |
09/22/2010 | CN101170001B Drive method for high-speed switch electromagnetic valve |
09/21/2010 | US7800250 Connection of an internal regulator to an external filter/stabilization capacitor through a selectable external connection and prevention of a current surge therebetween |