| 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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| 01/20/2009 | US7480128 Electronic control systems and methods |
| 01/15/2009 | WO2009006952A2 Control apparatus for a switching device with a pull-in coil and/or a holding coil and method for controlling the current flowing through the coil |
| 01/15/2009 | US20090015980 Solenoid valve driving circuit and solenoid valve |
| 01/15/2009 | US20090015979 Solenoid valve driving circuit and solenoid valve |
| 01/15/2009 | US20090015073 Rf switch telemetry system & method |
| 01/15/2009 | US20090015066 Close-loop relay driver with equal-phase interval |
| 01/15/2009 | DE102007031995A1 Steuervorrichtung für ein Schaltgerät mit Anzugs- und/oder Haltespule sowie Verfahren zum Steuern des durch die Spule fließenden Stroms A control device for a switching device with pick-up and / or hold coil and method for controlling the current flowing through the coil |
| 01/15/2009 | DE102004027217B4 Verfahren zum Betrieb eines hydraulischen Servolenksystems Method for operating a hydraulic power steering system |
| 01/15/2009 | CA2693408A1 Control apparatus for a switching device with a pull-in coil and/or holding coil and method for controlling the current flowing through the coil |
| 01/14/2009 | EP2015332A2 Close-loop relay driver with equal-phase interval |
| 01/14/2009 | CN201181679Y Mining explosion-proof and intrinsic safety type vacuum electromagnetic starter control module |
| 01/13/2009 | US7477591 Data slicer of dynamically adjusting slice level |
| 01/08/2009 | WO2008135670A9 Bistable electromagnetic actuator, control circuit for a dual coil electromagnetic actuator, and dual coil electromagnetic actuator including such control circuit |
| 01/07/2009 | EP2012338A1 Power source control device, and relay malfunction detecting method |
| 01/07/2009 | CN201178072Y Bistable permanent magnet AC contactor |
| 01/07/2009 | CN201178068Y Electricity-saving controller apparatus for electromagnetic DC/AC contactor |
| 01/07/2009 | CN201178067Y Energy-saving noise-reducing apparatus for AC contactor |
| 01/07/2009 | CN201177743Y Analog-type quartz clock controlled delay timer |
| 01/07/2009 | CN101341564A Method and apparatus for driving switch apparatus |
| 01/06/2009 | US7474183 System and method for latching magnetic operator device |
| 12/31/2008 | CN201174572Y Residual current protection device |
| 12/31/2008 | CN201174358Y Bus type near-zero power consumption circuit breaker for automobile |
| 12/31/2008 | CN201174357Y Electricity-saving device of AC contact apparatus |
| 12/31/2008 | CN101334930A Zero consumption standby circuit |
| 12/31/2008 | CN101334644A Zero power consumption standby solving scheme after manual boot-strap and auto-shut-off |
| 12/30/2008 | US7471496 Solenoid driving apparatus |
| 12/25/2008 | US20080316671 Piezoelectric actuator driving device and method |
| 12/25/2008 | US20080315690 Initial circuits, full bridge switching circuits and half bridge switching circuits |
| 12/25/2008 | US20080315336 Method of Assembly Using Array of Programmable Magnets |
| 12/24/2008 | DE102007029271A1 Universal switch unit and/or plug-in unit for detachable connection and/or switching of one or multi-stage consumer loads with energy source in motor vehicle, has relay joined with energy source and consumer load over cable connection |
| 12/24/2008 | CN201171196Y Timer circuit with light-operated function and timer using the circuit |
| 12/24/2008 | CN201171023Y Pulse energizing circuit for permanent magnet type bistable contactor |
| 12/24/2008 | CN201171022Y Exterior-adjustable type permanent magnet type AC contactor capable of current failure delaying to release |
| 12/24/2008 | CN201171021Y Exterior-adjustable type permanent magnet type AC contactor capable of current failure delaying or instantaneous releasing |
| 12/23/2008 | US7468879 Lightning protection device wet/dry glow-based streamer inhibitor |
| 12/18/2008 | US20080309164 Power-Controllable Outlet Receptacle |
| 12/17/2008 | CN201167303Y Low-power consumption hybrid relay |
| 12/17/2008 | CN201167063Y Microflow relay |
| 12/16/2008 | US7466163 Look-up table structure with embedded carry logic |
| 12/11/2008 | WO2008150256A1 Gen-set control system having proactive load relief |
| 12/11/2008 | WO2008148441A1 Device and method for identifying the type of control for a voltage- or current-release switchgear |
| 12/11/2008 | WO2007149859A3 Dc-dc converter for low voltage power source |
| 12/10/2008 | EP1999836A2 Self-sustaining electric-power generator utilizing electrons of low inertial mass to magnify inductive energy |
| 12/10/2008 | CN201163350Y Time-delay switching controller |
| 12/10/2008 | CN101320655A Electronic type electromagnetic control apparatus of high voltage vacuum contactor |
| 12/10/2008 | CN101320654A Voltage step track relay |
| 12/10/2008 | CN101320641A Arc extinguishing method of relay |
| 12/10/2008 | CN100442419C Permanent magnet mechanism contactor with parallel magnetic path |
| 12/09/2008 | US7463473 Resonance field discharge |
| 12/04/2008 | WO2008146135A1 Residual current circuit breaker controlling and auxiliary apparatus, and residual current circuit breaker equipped thereby |
| 12/04/2008 | US20080296980 Method For Protecting Peripheral Devices From Surges |
| 12/04/2008 | DE102007029874A1 Miniature relay switch, particularly micro-electromechanical system switch, has protective resistor, which adjustable is by additional switch to direct current voltage potential equalization at contacts of another switch |
| 12/03/2008 | EP1911058B1 Safety switching unit for controlling a safety device into a safe state |
| 12/03/2008 | CN201160036Y Low-power consumption intelligent zero crossing throwing and cutting controller |
| 12/03/2008 | CN101315549A Solution scheme for naught power consumption stand-by after manual, remote control and network power-off |
| 11/27/2008 | WO2008142824A1 Relay driving circuit and battery pack using same |
| 11/26/2008 | EP1995858A2 Coil-driving apparatus of electronic magnetic contactor |
| 11/26/2008 | CN201156501Y Electromagnetical controller apparatus for AC contactor |
| 11/26/2008 | CN201156206Y Bi-directional control system for multiple electric appliance |
| 11/19/2008 | EP1558936A4 Amperage control for valves |
| 11/18/2008 | CA2325137C Handheld sensing apparatus |
| 11/13/2008 | WO2008135670A1 Bistable electromagnetic actuator, control circuit for a dual coil electromagnetic actuator, and dual coil electromagnetic actuator including such control circuit |
| 11/13/2008 | US20080278878 Electronic Switch for Voltage Stabilization and Power Consumption Minimization |
| 11/12/2008 | EP1989720A1 Safety switching apparatus for the failsafe disconnection of an electrical load |
| 11/12/2008 | EP1989599A2 Switchgear for securing dangerous machines |
| 11/12/2008 | CN201149840Y Drive circuit of electric iron relay |
| 11/12/2008 | CN101305439A Safety switching apparatus for the failsafe disconnection of an electrical load |
| 11/11/2008 | US7450726 Headset detector in a device generating audio signals |
| 11/11/2008 | US7450362 Method and apparatus for disconnection of a fault current which has occurred in an AC power supply system |
| 11/11/2008 | US7449800 Power control system |
| 11/06/2008 | WO2008132949A1 Power supply control device, power supply device control method, and computer-readable recording medium containing program for causing computer to execute the power supply device control method |
| 11/06/2008 | WO2008131703A1 Module with automatic extension of a monitoring circuit |
| 11/06/2008 | US20080273281 Liquid switch |
| 11/06/2008 | US20080272657 User Selectable Pin for Connection of an Internal Regulator to an External Filter/Stabilization Capacitor and Prevention of a Current Surge Therebetween |
| 11/05/2008 | CN201146296Y Controllable power source socket |
| 11/05/2008 | CN101299604A Switch circuit |
| 11/04/2008 | US7447290 Apparatus of phase-frequency detector |
| 11/04/2008 | US7446438 Power control circuit |
| 10/30/2008 | WO2007103020A3 Self-sustaining electric-power generator utilizing electrons of low inertial mass to magnify inductive energy |
| 10/30/2008 | US20080266743 Lighting control system |
| 10/30/2008 | US20080266742 Apparatus and method for increasing switching life of electromechanical contacts in a hybrid power switching device |
| 10/29/2008 | EP1321952B1 Enabler of teaching pendant |
| 10/29/2008 | EP0865055B1 Load driving circuit |
| 10/29/2008 | CN201142564Y Control and protection circuit for controlling and protecting switch electric appliance |
| 10/29/2008 | CN100429731C Contactor system of shockproof and vibration proof relay |
| 10/28/2008 | US7443648 Driver for inductive load |
| 10/28/2008 | US7443178 Circuit arrangement of the temperature compensation of a measuring resistor structure |
| 10/28/2008 | US7441550 Method and device for activating a valve of a fuel vapor retention system |
| 10/23/2008 | WO2008027723A3 System and method for protection of unplanned state changes of a magnetic latching relay |
| 10/23/2008 | US20080262683 Systems for providing an automobile electronic transmission control monitoring unit with a latchdown mechanism |
| 10/23/2008 | US20080258564 Switching mode power supply and switch thereof |
| 10/22/2008 | CN201138644Y Combined intelligent alternating current contactor of high performance |
| 10/22/2008 | CN101292320A Self-testing circuit interrupting device |
| 10/21/2008 | US7439636 Driver system for MOSFET based, high voltage electronic relays for AC power switching and inductive loads |
| 10/21/2008 | US7439547 Micro electro mechanical system apparatus |
| 10/16/2008 | WO2008124395A1 Hybrid power relay using communications link |
| 10/15/2008 | CN201134749Y Energy saving apparatus of switch power supply |
| 10/15/2008 | CN201134584Y Infra-red remote control moving socket |
| 10/15/2008 | CN201134395Y Reinitiated relay device for electrical power system |
| 10/15/2008 | CN201134153Y Receiving controller for positive and negative rotation of three phase AC motor |