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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09/30/2009 | EP2105939A1 Operative control circuit of multiple electromagnetic actuating devices in series and parallel connection |
09/30/2009 | CN100545982C Safety switch for a safety circuit |
09/30/2009 | CN100545981C Signaling device for a safety circuit |
09/29/2009 | US7595971 Sensing armature motion in high-speed solenoids |
09/26/2009 | CA2627011A1 Operative control circuit of multiple electromagnetic actuating devices in series and parallel connection |
09/25/2009 | CA2626949A1 Circuit installation capable of full voltage activation, division voltage operation and delayed braking |
09/24/2009 | US20090237856 Solenoid valve drive control apparatus and method for driving a solenoid valve |
09/23/2009 | CN101540242A Energy-saving magnetic latching relay circuit |
09/22/2009 | US7593212 Relay drive matrix |
09/22/2009 | US7593211 Automatically configuring vacuum contactor |
09/22/2009 | US7593210 Permanent magnet bulk degausser |
09/22/2009 | US7593203 Selective deposition of embedded transient protection for printed circuit boards |
09/20/2009 | CA2626645A1 Electrically excited load full voltage actuation reduced voltage sustaining driving circuit |
09/17/2009 | US20090231774 Reed Switch Arrays |
09/17/2009 | US20090230779 Control apparatus |
09/15/2009 | US7589948 Method for actuating an electromagnetic valve |
09/10/2009 | US20090225489 Control Unit Comprising a Closed-Loop Controller for Regulating the Electrical Coil Current of a Regulating Electrovalve |
09/10/2009 | US20090224612 Low Power Switching Circuit |
09/09/2009 | EP2099048A1 Modular safety control and safety relay module |
09/09/2009 | CN201307560Y Wide voltage input alternative-direct-current universal electromagnetic contactor intelligent control module |
09/08/2009 | US7586214 High voltage energy storage connection monitoring system and method |
09/08/2009 | US7586213 Control circuit for relay-operated gas valves |
09/03/2009 | WO2009108377A1 Method and device for controlling load and voltage in voice coils |
09/03/2009 | US20090219662 Switching device |
09/03/2009 | US20090218890 Robust semiconductor power devices with design to protect transistor cells with slower switching speed |
09/03/2009 | US20090218886 Remote actuation based on measuring electric current consumption |
09/02/2009 | CN201302955Y Unipolar control magnetic latching relay |
09/02/2009 | CN201302954Y Power-saving device for alternating current contactor |
09/02/2009 | CN201302953Y Alternating current contactor energy-saving pulse start circuit with voltage monitoring |
09/02/2009 | CN101521124A Programmable time delay relay |
09/02/2009 | CN101521082A Electricity-saving driving method and driving device of electromagnetic element |
09/02/2009 | CN100536056C Safety switching device and method for failsafe shutdown of an electric load |
09/01/2009 | US7582989 Safety relay having independently testable contacts |
08/27/2009 | US20090213521 Dialysis machine having multiple line voltage heater |
08/27/2009 | US20090213520 Medical fluid machine having solenoid control system with reduced hold current |
08/27/2009 | US20090213519 Medical fluid machine having solenoid control system with temperature compensation |
08/27/2009 | US20090212729 Method and device for controlling load and voltage in voice coils |
08/26/2009 | EP2093581A1 Control device for a domestic appliance, domestic appliance and corresponding method |
08/26/2009 | CN201298503Y Silent energy-saving running device of an alternative-current contactor |
08/25/2009 | US7580236 Electronic device for controlling actuators |
08/25/2009 | US7579719 Protector suitable for cascade connections and corresponding method for safety-conditioned switching |
08/25/2009 | CA2510120C Remote control wiring mechanism |
08/19/2009 | EP2089892A1 Safety switch device |
08/19/2009 | EP2089653A1 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 |
08/19/2009 | EP2089259A1 Parking brake system with electric control |
08/19/2009 | EP1523617B1 Driver stage for a solenoid valve |
08/19/2009 | CN201294200Y Device for monitoring relay contact bounce |
08/19/2009 | CN101510485A Full width voltage contactor controller |
08/19/2009 | CN101510484A Special-purpose chip for low-voltage apparatus |
08/19/2009 | CN100530261C Waiting electric saving method for remote controlled domestic electric equipment and use device |
08/18/2009 | US7576958 Relay socket with leakage current suppression |
08/18/2009 | US7576647 Self-powered long-life occupancy sensors and sensor circuits |
08/18/2009 | US7576448 Switched outlet module and method therefor |
08/13/2009 | WO2009098385A2 Photo-controlled socket without standby mode power consumption |
08/13/2009 | US20090201620 Electromagnetic field energy recycling |
08/12/2009 | CN101504898A Permanent magnet contactor control apparatus having auxiliary contacts |
08/11/2009 | US7573694 Apparatus for and method of controlling operation of solenoid-operated valve |
08/11/2009 | US7573693 Safety switching device and method for failsafe shutdown of an electric load |
08/11/2009 | US7573158 Portable electrical appliance with object sensing assembly |
08/10/2009 | CA2596369A1 Systems and methods for distributed series compensation of power lines using passive devices |
08/06/2009 | US20090195082 Solid state relay |
08/06/2009 | US20090195080 Power over ethernet power sourcing equipment architecture for variable maximum power delivery |
08/05/2009 | EP2085836A1 Circuit arrangement and method for operating a home appliance |
08/05/2009 | CN201285945Y Electric power socket |
08/05/2009 | CN201285742Y Self-keeping type separated excitation release mechanism |
08/05/2009 | CN201285738Y Energy accumulation type DC suction and DC keeping circuit for AC contactor |
08/05/2009 | CN201285737Y Switching apparatus for preventing alternate acting of electric relay |
08/05/2009 | CN201285715Y 脉冲励磁电路 Pulse excitation circuit |
08/05/2009 | CN201285502Y Timer for household appliance |
08/05/2009 | CN100524570C Relay electrical control circuit arrangement |
08/04/2009 | US7570474 System, apparatus and method for automatically facilitating the discharge of static electricity from an apparatus |
07/30/2009 | US20090190282 Relay connection |
07/30/2009 | DE102008002758A1 Relaisschaltung Relay circuit |
07/29/2009 | EP2083433A1 Safety device and system |
07/29/2009 | CN101494135A Relay circuit |
07/28/2009 | US7567419 Apparatus, system, and method for electrostatic discharge protection |
07/23/2009 | US20090184586 Power adapter |
07/22/2009 | EP1989599B1 Switchgear for securing dangerous machines |
07/22/2009 | EP1466336B1 Method for determining wear of a switchgear contacts |
07/22/2009 | CN100517541C A bistable contactor drive circuit |
07/21/2009 | US7564670 Vacuum pump |
07/21/2009 | US7564247 Operating element with a proximity sensor and shield |
07/16/2009 | US20090179498 Transfer switch controller providing an alternating current voltage to a generator and transfer switch including the same |
07/15/2009 | CN201274263Y AC DC electric power output control circuit |
07/15/2009 | CN101483118A Relay unit improvement for electrostatic suction device power supply apparatus |
07/15/2009 | CN100514524C Method for driving relay on-off |
07/15/2009 | CN100514523C Protector suitable for cascade connections and corresponding method for safety-conditioned switching |
07/14/2009 | US7561386 Switch monitoring circuit |
07/14/2009 | US7560833 Drive circuit having a transformer for a semiconductor switching element |
07/14/2009 | US7559311 Solenoid operated valve device designed to ensure high responsiveness of valve action |
07/08/2009 | EP2077063A2 Power control module for electrical appliances |
07/08/2009 | EP1312099B1 Self-powered switching device |
07/08/2009 | CN201270225Y Coil energy saving module for AC/DC contactor |
07/08/2009 | CN101477919A Intelligent control module for permanent magnet contactor |
07/07/2009 | US7558043 Amperage control for valves |
07/07/2009 | US7557468 Panel and breaker for distributing UPS power |
07/07/2009 | US7557467 Portable photographing apparatus and power switching control method |
07/02/2009 | US20090168286 Systems, methods, and apparatus for superconducting magnetic shielding |
07/02/2009 | US20090167096 Pulse Width Modulation For Precision Energy/Power Dumping |
07/01/2009 | CN100508096C Power supply switchover device of domestic electrical equipment |