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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07/29/2008 | US7405918 Inductive load control |
07/29/2008 | US7405917 Method and apparatus for monitoring and determining the functional status of an electromagnetic valve |
07/29/2008 | US7405648 Remote control wiring mechanism |
07/24/2008 | DE102007002060A1 Vorrichtung zum Schalten eines Kochfeldes und Verfahren zum Beurteilen eines fehlerhaften Betriebs eines Kochfeldes An apparatus for switching a hob and method for judging an erroneous operation of a cooking hob |
07/24/2008 | DE102004020995B4 Meldegerät für eine Sicherheitsschaltung Signaling device for a safety circuit |
07/23/2008 | EP1946349A1 Safety switching apparatus for the failsafe disconnection of an electrical load |
07/23/2008 | CN101226855A Anti-dazzling-electric exterior adjustable delay time type permanent magnetism type ac contactor |
07/23/2008 | CN101226854A Electric control circuit apparatus for relay |
07/23/2008 | CN100405515C Five-end two-wire system positive, negative and stop tri-state multipath control switch |
07/22/2008 | US7403368 Devices and methods for detecting operational failures of relays |
07/22/2008 | US7403367 Active vibration insulator |
07/22/2008 | US7403366 Control circuit for an electromagnetic drive |
07/17/2008 | WO2008033839A3 Thermally gradient target |
07/17/2008 | US20080170348 Constant current relay driver with controlled sense resistor |
07/17/2008 | US20080170347 Apparatus for Switching a Cook Top and Method for Assessing Faulty Operation of a Cook Top |
07/16/2008 | EP1943141A1 Steering device for boats |
07/16/2008 | CN201087896Y Contactor |
07/16/2008 | CN101222193A Positive and reverse rotation control circuit of electric motor |
07/10/2008 | WO2008057450A3 Magnetic component connector, circuit boards for use therewith, and kits for building and designing circuits |
07/10/2008 | US20080165467 Drive circuit for an actuator and method for driving an actuator |
07/10/2008 | US20080164770 Wireless headset having adaptive powering |
07/10/2008 | DE10022722C5 Sicherheitsschaltgerät zum sicheren Ein- und Ausschalten eines elektrischen Verbrauchers Safety relay for secure switching on and off of an electrical load |
07/09/2008 | CN201084651Y A small-size high-voltage electronic relay |
07/09/2008 | CN101217231A A control and protective circuit on control and protective switch electric apparatus |
07/08/2008 | US7397148 Vehicular anomaly diagnosis system |
07/08/2008 | US7395888 Vehicle drive device |
07/03/2008 | WO2008080065A1 Apparatus and method for controlling a circuit breaker trip device |
07/03/2008 | DE102006060059A1 Circuit arrangement for controlling electromagnetic arrangement, has diode connecting contacts of respective coil such that conductive connection is formed over diode when preset charging voltage is reached at charging capacitors |
07/02/2008 | CN201081811Y Power-saving and lift protection device for ac contactor |
07/02/2008 | CN101213629A Switching power supply control with phase shift |
07/02/2008 | CN101211710A Electromagnetic induction switch |
06/29/2008 | CA2615622A1 Current sensing apparatus |
06/28/2008 | CA2614400A1 Relay device and corresponding method |
06/26/2008 | US20080151464 Method and Apparatus for Driving a Switch |
06/26/2008 | US20080151462 Apparatus and method for controlling a solenoid |
06/25/2008 | EP1936650A1 Apparatus and method for controlling a solenoid |
06/25/2008 | EP1936457A1 Modular safety switching device and safety switching device method |
06/25/2008 | CN201078357Y Heating ventilation fan |
06/25/2008 | CN100397537C Three-end two-wire system multipath control switch |
06/19/2008 | WO2008071713A1 Circuit arrangement for the common pulse width modulation of valves with quenching |
06/19/2008 | WO2008071623A1 Parking brake system with electric control |
06/19/2008 | US20080144250 Device for generating a motive force |
06/19/2008 | US20080143190 Power supply apparatus for field devices |
06/18/2008 | CN201075837Y Radio frequency remote control receiving switch with magnetic retaining relay |
06/18/2008 | CN201075720Y Control circuit of controller for electric vehicle |
06/18/2008 | CN201075359Y Ac contactor power saving silent running apparatus |
06/18/2008 | CN101203931A Electromagnetic switching device and operating method |
06/18/2008 | CN101203930A Safety switch for the safe disconnection of an electric consumer |
06/17/2008 | US7388735 Current inductive timer socket |
06/17/2008 | US7388466 Integrated passive entry and remote keyless entry system |
06/17/2008 | US7388305 AC/DC converter having single detectable input |
06/17/2008 | US7388186 Optically controlled MEMS devices |
06/12/2008 | WO2008067782A1 Method for actuating at least two electromagnetic relays and control device for executing the method |
06/11/2008 | CN100394527C No-contact relay- magnetic relay switch driving circuit |
06/05/2008 | WO2008064694A1 Method for detecting the operability of an electric relay and device for performing said method |
06/05/2008 | US20080130186 Pwm drive apparatus and method for correcting output offset thereof |
06/05/2008 | US20080129124 Hybrid electrical switching device |
06/04/2008 | CN201069740Y Wireless remote control power switch and control device for dive pump |
06/04/2008 | CN201069576Y Magnetic bar reader |
06/04/2008 | CN100392786C Control device of permanent magnetic contactor |
06/04/2008 | CN100392785C Electricity-saving control module |
06/03/2008 | US7382598 Means for controlling a coil arrangement with electrically variable inductance |
06/03/2008 | CA2364846C Electrical energy distribution system and contactor for such a system |
05/29/2008 | WO2008062856A1 Controller for power supply circuit |
05/29/2008 | WO2008061933A1 Method and device for monitoring a switch unit |
05/29/2008 | DE19641390B4 Anpaßschaltung für einen Bahn-Sensor Matching circuit for a web-sensor |
05/29/2008 | DE102006053797A1 Wechselstromsteller für elektromagnetische Schaltgeräte AC power controller for electromagnetic relays |
05/28/2008 | EP1925010A1 Control circuit for a relay |
05/28/2008 | EP1925009A2 Handheld communication tester and method for testing direct serial communication capability of an intelligent electronic device in a power system |
05/28/2008 | EP1738382B1 Safety switch for a fail-safe circuit |
05/28/2008 | CN201066836Y Handle and gas brake inductance switch for medical table |
05/28/2008 | CN201066660Y A permanent AC contactor control module for preventing from instantaneous voltage interruption |
05/28/2008 | CN101188174A Electrical appliance power switch system |
05/28/2008 | CN101188173A Secure universal contactor |
05/27/2008 | US7379287 Shielding method and shielding apparatus |
05/27/2008 | US7378762 Electrical circuit for limiting switching-on current |
05/27/2008 | US7378761 Control circuit and a method for electrically connecting a load to a power source |
05/22/2008 | US20080117559 Automatic output mode select for an actuator controller |
05/21/2008 | DE102006054877A1 Verfahren und Vorrichtung zur Überwachung einer Schaltereinheit A method and apparatus for monitoring a switch unit |
05/21/2008 | CN201063598Y Probe type electronic limit switch |
05/21/2008 | CN201063570Y Safety starting circuit of electric machine |
05/21/2008 | CN201063317Y Instable equilibrium type high-efficiency contactor |
05/21/2008 | CN201063103Y Electric intelligent switch device |
05/21/2008 | CN101183616A AC controller for electromagnetic switches |
05/15/2008 | WO2008055828A1 Method and circuit arrangement for secure control of actuators, sensors and/or users in an electrical device comprising the same in particular in an electrical domestic appliance |
05/15/2008 | WO2008055701A1 Safety switch device |
05/15/2008 | US20080112105 Static electricity dissipation device for vehicles |
05/15/2008 | DE102006053397A1 Sicherheitsschaltereinrichtung Safety switch device |
05/14/2008 | CN201060804Y Interrupted device of power supply apparatus |
05/14/2008 | CN201060390Y Switch controller |
05/14/2008 | CN101180698A Safety switch device for cutting off safely electrical load |
05/14/2008 | CN101178985A Automatic change-over and control method with self-diagnosis output function |
05/14/2008 | CN101178583A Standby free programmable power supply on-off circuit with single push button |
05/10/2008 | CA2607534A1 Arc suppression circuit using a semi-conductor switch |
05/06/2008 | US7369392 Circuit for preventing simultaneous on operations |
05/06/2008 | US7369391 Drive circuit of direct-current voltage-driven magnetic contactor and power converter |
05/06/2008 | US7368829 Method and apparatus for detecting welding of a relay contact |
05/01/2008 | US20080100982 System and method for dissipating static electricity in an electronic sheet material dispenser |
05/01/2008 | US20080100146 Contact verification method for a transfer switch mechanism |
04/30/2008 | CN101171656A 电源控制装置 Power supply control means |