| 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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| 05/26/2004 | EP1228519B1 Safety switch device for switching on and safely switching off an electrical user, in particular an electrically driven machine |
| 05/26/2004 | CN1151523C Quick protection control switch |
| 05/20/2004 | US20040094397 Medium voltage switching device |
| 05/18/2004 | US6738250 Latchable relay |
| 05/18/2004 | US6737821 Barrier operator with fault control |
| 05/12/2004 | EP1417694A1 Electromagnet arrangement for a switch |
| 05/12/2004 | CN1495916A Micro electromechanical system device |
| 05/11/2004 | US6734581 Programmable emergency-stop circuit with testing |
| 05/06/2004 | EP1416503A2 Solenoid-operated switching device and control device for electromagnet |
| 05/06/2004 | EP1415169A1 Built-in test system for aircraft indication switches |
| 05/05/2004 | CN1148856C Automatic switch equipment for power supply |
| 04/29/2004 | DE20219939U1 Durchlauferhitzer Water heater |
| 04/28/2004 | CN1147894C Pointer sulfur hexafluoride density relay |
| 04/21/2004 | EP0882303B1 Solenoid driver and method for determining solenoid operational status |
| 04/14/2004 | CN2612154Y Remote controlled, soft touched 2-in-1 switch |
| 04/14/2004 | CN2612055Y Multipurpose energy saving switch |
| 04/14/2004 | CN1489775A Electromagnetic switching apparatus |
| 04/13/2004 | US6721158 Method for providing current by means of an inductive component |
| 04/01/2004 | WO2004027828A2 Amperage control for valves |
| 04/01/2004 | WO2004027807A1 Electric switch power supply |
| 04/01/2004 | WO2004026634A1 Electric motor circuit with overload protection |
| 04/01/2004 | US20040061503 Method for inspecting relay contacts for contact weld in battery power source device |
| 04/01/2004 | US20040061106 Micro electro mechanical system apparatus |
| 04/01/2004 | DE10243521A1 Timer switch for controlling illumination and watering of plants, especially hemp, has signal selector for activating lamp via driver-relay combination and micro-controller |
| 03/31/2004 | CN2609162Y Monolithic program controlled AC contactor |
| 03/31/2004 | CN2609160Y Two-wire system energy saving electronic switch |
| 03/31/2004 | CN1486124A Three power supply circuit for two-wire system multichannel telecontrol wall switch |
| 03/30/2004 | US6714148 Digital protective relay |
| 03/24/2004 | CN2607655Y AC electromagnetic coil contactless electronic change-over energy-saving device |
| 03/23/2004 | US6708429 Method and device for powering a motor vehicle electric starting switch with determinable behavior |
| 03/18/2004 | WO2004023505A1 A controller for electromagnetic systems of current contactors |
| 03/17/2004 | EP1397862A1 Optimized on/off control circuit |
| 03/17/2004 | EP1307793B1 Method for operating a safety switching device and a safety switching device |
| 03/11/2004 | WO2004021382A2 Micro-electromechanical switch performance enhancement |
| 03/10/2004 | EP1396002A2 Power supply method for electrical equipment |
| 03/10/2004 | CN2606442Y Electric shakeproof contactor |
| 03/04/2004 | WO2004019463A1 An off-mains device for electrical apparatuses |
| 03/04/2004 | US20040040828 Micro-electromechanical switch performance enhancement |
| 03/04/2004 | DE10155971B4 Elektromagnetisches Stellglied An electromagnetic actuator |
| 03/03/2004 | CN2605678Y 3+X shockproof socket (2) |
| 02/25/2004 | CN2604828Y Delay switch |
| 02/25/2004 | CN2604771Y Energy-saving noiseless relay |
| 02/25/2004 | CN1477664A Four-position integrated A.C. contactor push-button |
| 02/19/2004 | WO2004015733A1 Control circuit for an electromagnetic drive |
| 02/19/2004 | DE10235297B3 Control device for electromagnetic drive e.g. for switching device, has drive coil connected in series between 2 controlled electronic switches |
| 02/18/2004 | EP1389284A2 Safety switching module and method for testing the switching-off ability of a switching element in a safety switching module |
| 02/12/2004 | US20040027776 Electromagnetic switching apparatus |
| 02/12/2004 | US20040027775 Electromagnet arragement for a switch |
| 02/05/2004 | US20040022005 Radiation-hard circuit |
| 02/05/2004 | DE10232741A1 Treiberstufe für ein Solenoidventil Driver stage for a solenoid valve |
| 02/03/2004 | US6687100 Method of dissipating energy from a contactor coil |
| 01/29/2004 | WO2004009985A1 Driver stage for a solenoid valve |
| 01/29/2004 | US20040017281 Access control system for a work vehicle |
| 01/28/2004 | CN1471059A Remote control lamp and electric appliance switch and method for mounting switch without boring wall |
| 01/28/2004 | CN1136590C Power supply circuit of excitation coil of electromagnet |
| 01/27/2004 | US6683778 Device for use in electric vehicles for detecting adhesion in relay due to melting |
| 01/22/2004 | US20040012906 Device for marking by stamping by successive percussions |
| 01/21/2004 | CN1469408A Controller for electromagnetic system of universal contactor |
| 01/21/2004 | CN1469407A Controller for electromagnetic system of universal contactor |
| 01/21/2004 | CN1469406A Controller for electromagnetic system of universal contactor |
| 01/20/2004 | US6680836 Timed tripping circuit for an electromechanical switching device |
| 01/20/2004 | US6680548 Electronic timers using supercapacitors |
| 01/15/2004 | US20040008464 Fault detection circuit for use with a power control device |
| 01/14/2004 | CN2599864Y Wrieless telecontrol multifunctional circuit breaker |
| 01/08/2004 | US20040004803 Latchable relay |
| 01/08/2004 | DE10227278A1 Vorrichtung zur Ansteuerung eines Stellglieds Device for controlling an actuator |
| 01/07/2004 | EP1378925A1 Auxiliary device for the closing control of a circuit breaker |
| 01/07/2004 | CN2598226Y Remote control of full turning-off control circuit for use in electrical apparatus |
| 01/06/2004 | US6674631 Charging dispenser for a thin web |
| 01/06/2004 | US6674628 Pulse-width modulated relay |
| 01/02/2004 | EP1262021B1 Security switching device and a system of security switching devices |
| 12/31/2003 | CN2596642Y Motor control protector |
| 12/31/2003 | CN2596536Y Controller of general contactor electromagnetic system |
| 12/31/2003 | CN2596535Y Controller of general contactor electromagnetic system |
| 12/31/2003 | CN1133191C 用于快速、自动响应过载电流的电子开关 For fast, automatic response to an overload current of the electronic switch |
| 12/30/2003 | US6671158 Pulse width modulated solenoid |
| 12/30/2003 | US6671142 Circuit for operating voltage range extension for a relay |
| 12/24/2003 | WO2003085313A3 Device for the error-proof switching off of an electric consumer, particularly in industrial production plants |
| 12/24/2003 | CN1463492A Optimized on/off control circuit |
| 12/18/2003 | WO2003105172A1 Direct current cutoff switch |
| 12/17/2003 | CN2593467Y Microphone time limiting controller |
| 12/17/2003 | CN2593417Y Remote control on-off device for pumping unit |
| 12/10/2003 | CN2591839Y Power source time delay unit for ECG machine |
| 12/09/2003 | US6661635 Electronic drive control apparatus |
| 12/09/2003 | US6661320 Relay |
| 12/04/2003 | WO2003041237A3 Device for controlling an electrical load and control unit |
| 12/03/2003 | CN2590162Y Capacitor trigger relay |
| 12/03/2003 | CN1129929C Pulse driving source circuit |
| 12/02/2003 | US6657847 Method of using inductance for determining the position of an armature in an electromagnetic solenoid |
| 12/02/2003 | US6657845 Circuit for driving a solenoid |
| 12/02/2003 | US6657833 Relay welding detector and detecting method |
| 12/02/2003 | CA2265636C Current limiting circuit |
| 11/26/2003 | CN2588517Y Bistable trigger-relay circuit |
| 11/26/2003 | CN2588516Y Relay |
| 11/20/2003 | WO2002095282A3 Safety switching module and method for testing the switching-off ability of a switching element in a safety switching module |
| 11/19/2003 | EP1363306A2 Security switch, security circuit with security switches and methode for operating a security switch |
| 11/13/2003 | US20030210128 Multi-user vehicle access control |
| 11/13/2003 | US20030209943 Device for controlling power distribution to subsystems |
| 11/12/2003 | CN2586297Y Current switch |
| 11/05/2003 | CN2585395Y High efficiency, energy saving, electromagnet, double DC power supply circuit |