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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10/14/2008 | US7436644 Switching circuit, switching method, protective device and battery pack |
10/14/2008 | US7436120 Compensation of magnetic fields |
10/09/2008 | WO2008045610A3 Power control module for electrical appliances |
10/09/2008 | WO2008024333A3 Electronically actuated apparatus using solenoid actuator with integrated sensor |
10/09/2008 | WO2007150058A3 Compact non-contact multi-function electrical switch |
10/09/2008 | US20080246343 Power supply adapter for usb devices |
10/08/2008 | CN201130917Y Drive device for motor |
10/08/2008 | CN201130916Y Control apparatus of pull rod type electric traveling case |
10/08/2008 | CN201130315Y Electronic programmed control frost timer |
10/07/2008 | US7433171 Fast current control of inductive loads |
10/07/2008 | US7433170 Apparatus and method of controlling the closing action of a contactor |
10/07/2008 | US7432618 Inverter anti-islanding method |
10/02/2008 | US20080239612 System and method for controlling electromagnet lift power for material handlers |
10/02/2008 | US20080239611 Apparatus and method for drive controlling micro machine device |
10/02/2008 | US20080238214 Switch gear cell and converter circuit for switching a multiplicity of voltage levels with a switchgear cell such as this |
10/02/2008 | US20080237005 Switching element, method for manufacturing the same, and display device including switching element |
10/01/2008 | CN201126801Y Intelligent release with dynamoelectric reset device |
10/01/2008 | CN101276691A Apparatus and method for drive controlling micro machine device |
09/30/2008 | US7430102 Pulse width modulated servo clutch driver |
09/25/2008 | US20080231121 Automatically Standby Power Cut-Off Plug Socket |
09/23/2008 | CA2454808C Built-in test system for aircraft indication switches |
09/18/2008 | US20080225459 Power control device and image forming apparatus |
09/17/2008 | EP1817493B1 Control circuit for a switching device |
09/17/2008 | CN201118544Y 磁控开关 MagSwitch |
09/17/2008 | CN201118536Y Two-line micro-power consumption electronic switch |
09/17/2008 | CN201118534Y A multi-point control switch |
09/17/2008 | CN201117984Y Air conditioner timing power source socket |
09/17/2008 | CN201117590Y Constant magnetism holding alternating current contactor |
09/17/2008 | CN201117571Y Device for preventing electric valve control loop alternating current rushing into DCS system |
09/17/2008 | CN201117570Y Rectifying relay inverse time prolonged circuit |
09/17/2008 | CN201117569Y Contactor drive circuit |
09/17/2008 | CN101266888A A high-power mixed DC contactor and its control method |
09/17/2008 | CN100420131C DC-AC two-use electronic saving module of low-voltage electrical equipment |
09/11/2008 | US20080218929 Magnetic levitation apparatus |
09/11/2008 | US20080218928 Coil-driving apparatus of electronic magnetic contactor |
09/11/2008 | US20080218926 Control module for an electric circuit breaker, method for operation thereof, and electric protection system |
09/10/2008 | EP1968089A1 Actuation module for an electric protective circuit breaker, method for its operation and electric safety system |
09/10/2008 | CN201114904Y Secure energy-saving lighting switch and power socket with no-man automatic cut-off function |
09/10/2008 | CN201113565Y Micro- power consumption stand-by controller energy supply |
09/10/2008 | CN201112288Y Multifunctional electricity-saving type relay |
09/10/2008 | CN201112280Y Intelligent alternating current contactor control device |
09/10/2008 | CN101262146A Wireless remote control open/close method of 24kV vacuum breaker and its breaker |
09/10/2008 | CN101261908A Coil-driving apparatus of electronic magnetic contactor |
09/09/2008 | US7423857 Current detecting circuit and actuator driving apparatus |
09/04/2008 | WO2008082896A3 Measurement of analog coil voltage and coil current |
09/04/2008 | US20080212254 Control Circuit For a Switching Arrangement |
09/04/2008 | US20080212253 System and method for driving an industrial control device |
09/04/2008 | US20080212252 Driving Method Of Electromagnetic Valve, Electromagnetic Valve Driving Unit And Apparatus For Coloring Electric Wire |
09/04/2008 | US20080211318 Switch circuit |
09/03/2008 | EP1965403A2 Constant current relay driver with controlled sense resistor |
09/03/2008 | EP1964142A2 Device for supplying electric power to an electrical member using an electromagnetic relay |
09/03/2008 | EP1964141A1 Method and device for operating a switching device |
09/03/2008 | EP1963933A2 Electronic device for commutation of electric load controlled by a microcontroller |
09/03/2008 | EP1729933A4 Electronic fastening tool |
09/03/2008 | CN201109917Y Electric dipper slewing ambulation conversion device |
09/03/2008 | CN101256394A Standby control apparatus with certain nought power consumption |
09/03/2008 | CN100416736C AC contactor |
09/03/2008 | CN100416435C Apparatus for realizing telecontrolled cut-of AC power-supply and method thereof |
09/02/2008 | US7420320 Piezoelectric thin film device and method for manufacturing the same |
08/28/2008 | US20080204964 Bistable Contactor Drive Circuit |
08/28/2008 | US20080204948 Overload protection system for an electromagnetic lift |
08/27/2008 | CN201107612Y Stand by-free and single push buttons programmable power supply switch circuit |
08/27/2008 | CN201107583Y Computer timing switch apparatus |
08/27/2008 | CN101252059A Bistable state permanent magnetism alternating current contactor with rapid charging and discharging control characteristics |
08/26/2008 | US7417339 Fast transition power supply |
08/26/2008 | US7417338 Disconnecting device for communications connections |
08/26/2008 | US7415971 Control circuit for an actuator |
08/21/2008 | US20080198529 Method For Operating A Solenoid Valve For Quantity Control |
08/21/2008 | US20080198528 Microsystem |
08/21/2008 | US20080197949 Actuator Assembly, Method of Driving an Actuator Assembly and Apparatus for Driving an Actuator Assembly |
08/21/2008 | US20080197699 Leakage current shunt in an electrical power distribution system utilizing solid state relays |
08/20/2008 | CN101247035A Aftercurrent protecting equipment |
08/20/2008 | CN101246359A Interior circuit of electric power wiring board |
08/19/2008 | US7414822 Current control circuit |
08/14/2008 | US20080192402 Electromagnetic Switching Device and Method for the Operation Thereof |
08/14/2008 | US20080191560 Power extractor with control loop |
08/13/2008 | EP1956622A2 Relay control apparatus |
08/13/2008 | EP1956621A1 Relay switching-on circuit |
08/13/2008 | CN201100909Y High-efficient, safety power switch |
08/13/2008 | CN100411189C Micro-switching device and method of manufacturing micro-switching device |
08/12/2008 | US7411771 Electric circuit arrangement for controlling a solenoid-operated fluid valve |
08/12/2008 | US7411319 Safety relay system |
08/12/2008 | US7411318 Digital circuit having correcting circuit and electronic apparatus thereof |
08/12/2008 | US7410310 Blade driving apparatus for cameras |
08/07/2008 | US20080186645 Relay control apparatus |
08/06/2008 | CN201097159Y Vibration alarm clock |
08/06/2008 | CN101238536A Safety switching unit for controlling a safety device into a safe state |
08/06/2008 | CN101236404A Time-delay switch controller |
08/06/2008 | CN100409390C Control circuit for an electromagnetic drive |
07/31/2008 | WO2007082287A3 Remote sensor for controlling ionization systems |
07/31/2008 | US20080180872 Drive control method and unit for micro machine device |
07/31/2008 | US20080179968 Addressable power switch |
07/31/2008 | US20080179965 Bidirectional connection between a digital control circuit and an AC switch |
07/31/2008 | US20080179964 Power switching circuit |
07/31/2008 | US20080179962 Leak detector pad |
07/30/2008 | EP1831907A4 Method of detecting and correcting relay tack weld failures |
07/30/2008 | EP1389284B1 Safety switching module for testing the switching-off ability of a switching element in a safety switching module |
07/30/2008 | CN201094132Y Permanent magnetism type under-voltage releaser electronic control circuit |
07/30/2008 | CN101231921A Drive control method and unit for micro machine device |
07/30/2008 | CN101231920A Gating voltage control system and method for electrostatically actuating a micro-electromechanical device |