| 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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| 06/25/2009 | WO2009077432A1 Device for determining and/or monitoring a process parameter |
| 06/25/2009 | US20090161284 Method and apparatus for controlling a lifting magnet supplied with an AC source |
| 06/25/2009 | US20090160267 Method and apparatus for temperature-based load management metering in an electric power system |
| 06/24/2009 | CN201262922Y Electricity-saving muffler device of AC contactor |
| 06/23/2009 | US7550868 Device for despatching a secure output command |
| 06/23/2009 | US7550867 Method and safety system for a displacement device of a motor vehicle |
| 06/18/2009 | WO2009074856A1 Electric motor drive provided with electric energy accumulation for switch-devices |
| 06/18/2009 | US20090154051 Device for Connecting Two Points in an Electric Circuit |
| 06/17/2009 | EP2071602A1 Electrically excited load full voltage actuation reduced voltage sustaining driving circuit |
| 06/17/2009 | EP2071425A1 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking |
| 06/17/2009 | CN201259869Y Solar energy saving light sensing electric relay |
| 06/17/2009 | CN100501896C Electricity-saving controller of AC contactor |
| 06/16/2009 | US7548406 Method for utilizing a bulk erase tool to erase perpendicularly recorded media |
| 06/16/2009 | US7547994 Apparatus and method for managing power of mobile terminal |
| 06/11/2009 | US20090147427 Battery disconnect device |
| 06/11/2009 | US20090147413 Electric appliance and heating cooking device |
| 06/10/2009 | CN201256126Y Large current relay driving circuit for customer load control |
| 06/09/2009 | US7545621 Electrostatic discharge structure for a biometric sensor |
| 06/09/2009 | US7545620 Access protection device for a prohibited area |
| 06/09/2009 | US7545057 Relay circuitry and switching circuitry for power-over-network devices |
| 06/04/2009 | WO2009068370A1 Regulating device and method for regulating an average current through an inductive load |
| 06/04/2009 | WO2009068264A1 Device for the electric actuation of a safety-critical system |
| 06/03/2009 | EP2065912A2 Intelligent electronic device with integrated pushbutton for use in power substation |
| 06/03/2009 | EP2064720A2 Thermally gradient target |
| 06/03/2009 | EP1668660B1 Electric starter for a motor vehicle, comprising a hybrid contactor with a solid-state relay built into the cap |
| 06/03/2009 | CN100495619C Water passage protection relay |
| 06/02/2009 | US7542262 Apparatus for driving an electromagnetic load |
| 05/28/2009 | WO2009065942A1 Circuit for a contact relay |
| 05/28/2009 | US20090134715 Switching system |
| 05/28/2009 | DE202009000246U1 Relais-Treibmodul und eine elektronische Vorrichtung mit einem solchen Treibermodul Relay driving module and an electronic device having such a driver module |
| 05/28/2009 | DE102007057199A1 Vorrichtung zum elektrischen Betätigen eines sicherheitskritischen Systems Apparatus for electrically operating a safety-critical system |
| 05/28/2009 | DE102007046634B3 Spannungsversorgung für ein spannungs- oder stromauslösendes Schaltgerät sowie deren Verwendung in einem solchen Schaltgerät und Verfahren zur Spannungsversorgung für ein solches Schaltgerät Power supply for a voltage or current triggering switching device and the use thereof in such a switching device and method for power supply for such a switching device |
| 05/27/2009 | EP2062279A1 Alternating current switch device and method for the monitoring or diagnosis of the operability of an alternating current switch device |
| 05/27/2009 | CN101442208A Stealth cathode grounding current failure anti-theft device for automobile totally-enclosed maintenance-free battery |
| 05/27/2009 | CN101441956A Control circuit for electromagnet of low-tension switch electric appliance |
| 05/22/2009 | WO2009062536A1 Switching arrangement and method for controlling an electromagnetic relay |
| 05/21/2009 | US20090128980 Circuit arrangement for controlling electromagnetic valves and valve device with a controllable valve |
| 05/21/2009 | US20090128979 System and method for protecting a coil structure in a controlled switch |
| 05/20/2009 | EP2059939A2 Electronically actuated apparatus using solenoid actuator with integrated sensor |
| 05/20/2009 | CN201243134Y Single-phase intelligent power switch/socket case |
| 05/20/2009 | CN201242979Y Power distribution system and vehicle |
| 05/20/2009 | CN201242951Y Intelligent tripolar AC switch electric appliance capable of controlling speed and time of switching on and off |
| 05/20/2009 | CN100490043C Permanent magnet non-arching AC contactor |
| 05/14/2009 | WO2009061802A1 Relay switching method and hybrid relay switch |
| 05/14/2009 | DE102006042628B4 Elektronischer Stromstoßschalter Electronic Pulse switch |
| 05/13/2009 | EP2057658A1 Terminal unit of a bus system |
| 05/13/2009 | CN101430988A Constant-magnet remaining AC contactor |
| 05/12/2009 | US7531921 Compact non-contact multi-function electrical switch |
| 05/12/2009 | US7531920 Driving circuit |
| 05/07/2009 | WO2009026880A3 Method for detecting of a switch state |
| 05/07/2009 | US20090115258 Power control circuitry, circuitry for analysing a switched power rail, and method of controlling connection of a power source to a switched power rail |
| 05/07/2009 | DE102005043884B4 Ansteuerungsschaltung für ein Relais The driving circuit for a relay |
| 05/06/2009 | EP2056323A1 Electric device with lower standby power |
| 05/06/2009 | EP2056315A2 Micro-Electromechanical system Based Switching |
| 05/06/2009 | CN201233847Y AC contact control circuit |
| 05/06/2009 | CN201233844Y Intrinsic safe module for mining explosion preventing and intrinsic safe type vacuum electromagnetic starter |
| 05/06/2009 | CN201233843Y Driving circuit for electric relay |
| 05/06/2009 | CN201233842Y Electric relay driving circuit |
| 05/06/2009 | CN201233515Y Signal comparing switch device |
| 05/06/2009 | CN201232108Y Touching type power-saving switch for loom |
| 05/06/2009 | CN101427335A Power source control device, and relay malfunction detecting method |
| 05/06/2009 | CN101427013A Self-sustaining electric-power generator utilizing electrons of low inertial mass to magnify inductive energy |
| 05/06/2009 | CN101425429A Pulse excitation circuit |
| 05/06/2009 | CN101425428A Reacting electric relay device for electric power |
| 05/06/2009 | CN101425403A Pulse excitation circuit |
| 05/05/2009 | US7529331 Wobble clock generator and driving method thereof |
| 05/05/2009 | US7527040 Fuel injection performance enhancing controller |
| 04/30/2009 | WO2009053161A1 Method for detecting a load drop |
| 04/30/2009 | WO2009053143A1 Prefabricated switching device for the secure and unsecure switching of outputs |
| 04/29/2009 | EP2053625A1 Switching device |
| 04/29/2009 | EP2053624A1 Pre-assembled switching device for protected and unprotected output switching |
| 04/29/2009 | CN201230305Y Full intelligent humanized switch |
| 04/29/2009 | CN201230201Y Output controller for motor protector |
| 04/29/2009 | CN201229486Y Light-sensitive electricity saving controller |
| 04/29/2009 | CN101420568A Method and device for reducing energy efficiency index of CRT television set |
| 04/29/2009 | CN101419434A Capacitive switch power supply with low power consumption standby function |
| 04/29/2009 | CN101416839A Soya-bean milk making machine circuit |
| 04/29/2009 | CN100483912C Switch mode power converter |
| 04/28/2009 | US7525784 Magnetic bearing device |
| 04/28/2009 | US7525783 Monitoring method for an actuator and corresponding driver circuit |
| 04/28/2009 | US7525643 Lithographic apparatus, and mechanism |
| 04/23/2009 | WO2006105513A3 Residual magnetic devices and methods |
| 04/23/2009 | US20090103228 Method and Apparatus for Remotely Operating AC Powered Appliances from Video Interphones or Shopping Terminals |
| 04/23/2009 | US20090103227 Magnetic levitation apparatus |
| 04/23/2009 | US20090102295 Audio Power Conversion System |
| 04/22/2009 | CN100481859C Long distance coincident code free mobile control circuit and application thereof |
| 04/22/2009 | CN100481688C Inverter device |
| 04/22/2009 | CN100480709C Amperage control for valves |
| 04/21/2009 | US7522400 Method of detecting and correcting relay tack weld failures |
| 04/21/2009 | US7521825 Interface switch for distributed energy resources |
| 04/21/2009 | US7521824 Contactor control apparatus and contactor control method for use in electric vehicle |
| 04/16/2009 | WO2007037883A3 Handheld communication tester and method for testing direct serial communication capability of an intelligent electronic device in a power system |
| 04/15/2009 | CN201222460Y Electromagnet switch control device |
| 04/15/2009 | CN201222459Y Motor-controlled intelligent permanent magnet contactor for industry |
| 04/09/2009 | WO2009043412A1 Apparatus and method for supplying power to a voltage- or current-releasing switching device |
| 04/09/2009 | CA2700275A1 Apparatus and method for supplying power to a voltage- or current-releasing switching device |
| 04/08/2009 | EP1880401B1 Power supply control device |
| 04/08/2009 | CN201219086Y Material-saving high-breaking vacuum contactor |
| 04/07/2009 | US7515975 Technique for switching between controllers |
| 04/07/2009 | US7515023 Micro-switching device and method of manufacturing micro-switching device |