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)
10/2008
10/14/2008US7436644 Switching circuit, switching method, protective device and battery pack
10/14/2008US7436120 Compensation of magnetic fields
10/09/2008WO2008045610A3 Power control module for electrical appliances
10/09/2008WO2008024333A3 Electronically actuated apparatus using solenoid actuator with integrated sensor
10/09/2008WO2007150058A3 Compact non-contact multi-function electrical switch
10/09/2008US20080246343 Power supply adapter for usb devices
10/08/2008CN201130917Y Drive device for motor
10/08/2008CN201130916Y Control apparatus of pull rod type electric traveling case
10/08/2008CN201130315Y Electronic programmed control frost timer
10/07/2008US7433171 Fast current control of inductive loads
10/07/2008US7433170 Apparatus and method of controlling the closing action of a contactor
10/07/2008US7432618 Inverter anti-islanding method
10/02/2008US20080239612 System and method for controlling electromagnet lift power for material handlers
10/02/2008US20080239611 Apparatus and method for drive controlling micro machine device
10/02/2008US20080238214 Switch gear cell and converter circuit for switching a multiplicity of voltage levels with a switchgear cell such as this
10/02/2008US20080237005 Switching element, method for manufacturing the same, and display device including switching element
10/01/2008CN201126801Y Intelligent release with dynamoelectric reset device
10/01/2008CN101276691A Apparatus and method for drive controlling micro machine device
09/2008
09/30/2008US7430102 Pulse width modulated servo clutch driver
09/25/2008US20080231121 Automatically Standby Power Cut-Off Plug Socket
09/23/2008CA2454808C Built-in test system for aircraft indication switches
09/18/2008US20080225459 Power control device and image forming apparatus
09/17/2008EP1817493B1 Control circuit for a switching device
09/17/2008CN201118544Y 磁控开关 MagSwitch
09/17/2008CN201118536Y Two-line micro-power consumption electronic switch
09/17/2008CN201118534Y A multi-point control switch
09/17/2008CN201117984Y Air conditioner timing power source socket
09/17/2008CN201117590Y Constant magnetism holding alternating current contactor
09/17/2008CN201117571Y Device for preventing electric valve control loop alternating current rushing into DCS system
09/17/2008CN201117570Y Rectifying relay inverse time prolonged circuit
09/17/2008CN201117569Y Contactor drive circuit
09/17/2008CN101266888A A high-power mixed DC contactor and its control method
09/17/2008CN100420131C DC-AC two-use electronic saving module of low-voltage electrical equipment
09/11/2008US20080218929 Magnetic levitation apparatus
09/11/2008US20080218928 Coil-driving apparatus of electronic magnetic contactor
09/11/2008US20080218926 Control module for an electric circuit breaker, method for operation thereof, and electric protection system
09/10/2008EP1968089A1 Actuation module for an electric protective circuit breaker, method for its operation and electric safety system
09/10/2008CN201114904Y Secure energy-saving lighting switch and power socket with no-man automatic cut-off function
09/10/2008CN201113565Y Micro- power consumption stand-by controller energy supply
09/10/2008CN201112288Y Multifunctional electricity-saving type relay
09/10/2008CN201112280Y Intelligent alternating current contactor control device
09/10/2008CN101262146A Wireless remote control open/close method of 24kV vacuum breaker and its breaker
09/10/2008CN101261908A Coil-driving apparatus of electronic magnetic contactor
09/09/2008US7423857 Current detecting circuit and actuator driving apparatus
09/04/2008WO2008082896A3 Measurement of analog coil voltage and coil current
09/04/2008US20080212254 Control Circuit For a Switching Arrangement
09/04/2008US20080212253 System and method for driving an industrial control device
09/04/2008US20080212252 Driving Method Of Electromagnetic Valve, Electromagnetic Valve Driving Unit And Apparatus For Coloring Electric Wire
09/04/2008US20080211318 Switch circuit
09/03/2008EP1965403A2 Constant current relay driver with controlled sense resistor
09/03/2008EP1964142A2 Device for supplying electric power to an electrical member using an electromagnetic relay
09/03/2008EP1964141A1 Method and device for operating a switching device
09/03/2008EP1963933A2 Electronic device for commutation of electric load controlled by a microcontroller
09/03/2008EP1729933A4 Electronic fastening tool
09/03/2008CN201109917Y Electric dipper slewing ambulation conversion device
09/03/2008CN101256394A Standby control apparatus with certain nought power consumption
09/03/2008CN100416736C AC contactor
09/03/2008CN100416435C Apparatus for realizing telecontrolled cut-of AC power-supply and method thereof
09/02/2008US7420320 Piezoelectric thin film device and method for manufacturing the same
08/2008
08/28/2008US20080204964 Bistable Contactor Drive Circuit
08/28/2008US20080204948 Overload protection system for an electromagnetic lift
08/27/2008CN201107612Y Stand by-free and single push buttons programmable power supply switch circuit
08/27/2008CN201107583Y Computer timing switch apparatus
08/27/2008CN101252059A Bistable state permanent magnetism alternating current contactor with rapid charging and discharging control characteristics
08/26/2008US7417339 Fast transition power supply
08/26/2008US7417338 Disconnecting device for communications connections
08/26/2008US7415971 Control circuit for an actuator
08/21/2008US20080198529 Method For Operating A Solenoid Valve For Quantity Control
08/21/2008US20080198528 Microsystem
08/21/2008US20080197949 Actuator Assembly, Method of Driving an Actuator Assembly and Apparatus for Driving an Actuator Assembly
08/21/2008US20080197699 Leakage current shunt in an electrical power distribution system utilizing solid state relays
08/20/2008CN101247035A Aftercurrent protecting equipment
08/20/2008CN101246359A Interior circuit of electric power wiring board
08/19/2008US7414822 Current control circuit
08/14/2008US20080192402 Electromagnetic Switching Device and Method for the Operation Thereof
08/14/2008US20080191560 Power extractor with control loop
08/13/2008EP1956622A2 Relay control apparatus
08/13/2008EP1956621A1 Relay switching-on circuit
08/13/2008CN201100909Y High-efficient, safety power switch
08/13/2008CN100411189C Micro-switching device and method of manufacturing micro-switching device
08/12/2008US7411771 Electric circuit arrangement for controlling a solenoid-operated fluid valve
08/12/2008US7411319 Safety relay system
08/12/2008US7411318 Digital circuit having correcting circuit and electronic apparatus thereof
08/12/2008US7410310 Blade driving apparatus for cameras
08/07/2008US20080186645 Relay control apparatus
08/06/2008CN201097159Y Vibration alarm clock
08/06/2008CN101238536A Safety switching unit for controlling a safety device into a safe state
08/06/2008CN101236404A Time-delay switch controller
08/06/2008CN100409390C Control circuit for an electromagnetic drive
07/2008
07/31/2008WO2007082287A3 Remote sensor for controlling ionization systems
07/31/2008US20080180872 Drive control method and unit for micro machine device
07/31/2008US20080179968 Addressable power switch
07/31/2008US20080179965 Bidirectional connection between a digital control circuit and an AC switch
07/31/2008US20080179964 Power switching circuit
07/31/2008US20080179962 Leak detector pad
07/30/2008EP1831907A4 Method of detecting and correcting relay tack weld failures
07/30/2008EP1389284B1 Safety switching module for testing the switching-off ability of a switching element in a safety switching module
07/30/2008CN201094132Y Permanent magnetism type under-voltage releaser electronic control circuit
07/30/2008CN101231921A Drive control method and unit for micro machine device
07/30/2008CN101231920A Gating voltage control system and method for electrostatically actuating a micro-electromechanical device
1 ... 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 ... 74