| 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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| 06/13/2002 | US20020071234 Battery powered programmable remote switch controller |
| 06/13/2002 | US20020070608 Relay welding detector and detecting method |
| 06/12/2002 | EP1213736A1 Relay apparatus |
| 06/12/2002 | EP1212772A1 Electromagnetic switchgear |
| 06/12/2002 | EP1212770A1 Control system for an electromagnetic switching device and electromagnetic switching device corresponding thereto |
| 06/11/2002 | US6404612 Method for system for driving a solenoid |
| 06/11/2002 | US6404155 DC motor drive circuit |
| 06/06/2002 | US20020066659 Method and arrangement for controlling micromechanical element |
| 06/05/2002 | CN1086052C DC contactor |
| 05/30/2002 | WO2002042873A2 Self-powered trainable switching network |
| 05/30/2002 | CA2776360A1 Self-powered trainable switching network |
| 05/30/2002 | CA2467666A1 Self-powered trainable switching network |
| 05/23/2002 | US20020060619 Electronic actuation for mechanically held contactors |
| 05/23/2002 | DE10128749A1 Electric power steering controller for vehicle, has transistors that are turned on before relay is driven to turn on contacts of relay |
| 05/22/2002 | EP1206788A1 Circuit arrangement for operating a relay |
| 05/22/2002 | CN1085398C Control method and device for switchgear actuator |
| 05/21/2002 | US6392318 Programmable emergency-stop circuit |
| 05/21/2002 | US6392173 Automatic switchover device for power source |
| 05/16/2002 | US20020057015 Electric power steering controller |
| 05/15/2002 | CN1349238A Start protector |
| 05/14/2002 | US6388860 Dual switch control system |
| 05/08/2002 | EP1203389A1 Circuitry for an electromagnetic switchgear |
| 05/08/2002 | EP1203388A1 Timed tripping circuit for an electromechanical switching device |
| 05/08/2002 | EP0929818B1 Electrical circuit to detect load current |
| 05/08/2002 | CN1084478C Method and apparatus for checking electric driving device |
| 05/02/2002 | EP1202313A1 Device for safety engineering to supervise the switching position of mechanical contacts |
| 04/30/2002 | US6381116 Control device of an electromagnet with local control input |
| 04/24/2002 | EP1198885A1 Electronic drive control mechanism |
| 04/24/2002 | EP1198814A1 Method and system for driving a solenoid |
| 04/24/2002 | EP1198813A1 Method for effecting an electronic drive control |
| 04/24/2002 | CN2488168Y Duplex protection switch |
| 04/24/2002 | CN1346502A Circuit provided with protective function |
| 04/24/2002 | CN1083610C 开关装置 Switching device |
| 04/23/2002 | US6377143 Weld-free contact system for electromagnetic contactors |
| 04/17/2002 | EP1196311A1 Device for actuating electric functional elements |
| 04/17/2002 | CN2487099Y AC contactor DC operation device |
| 04/16/2002 | US6373677 Control circuit for controlling a current in an electromagnetic coil with a duty ratio which is adjusted in response to variation of a power source voltage |
| 04/11/2002 | US20020041478 Circuit for driving a solenoid |
| 04/10/2002 | CN2485778Y Arcless relay |
| 04/04/2002 | DE10057375C1 Temperature monitoring circuit for regulated inductive load operated with pulse width modulation compares actual load current voltage with load current voltage provided by circuit model |
| 04/04/2002 | DE10045651A1 Safety cut-out device for electrical load, e.g. press or milliing machine, has switching event simulated by supplying coupling signal to coupling signal input |
| 04/03/2002 | EP1088318B1 Device for safely disconnecting an electrical load with especially high inductivity from an electrical dc-voltage supply |
| 04/03/2002 | EP1036398B1 Electromagnetic relay |
| 04/02/2002 | US6366441 Electromagnetic actuator |
| 04/02/2002 | US6366434 Apparatus for safely disconnecting an electrical load from an electrical DC voltage supply |
| 04/02/2002 | US6365989 System and method for controlling one or more mains voltage electrical devices from an extra-low voltage source |
| 03/27/2002 | EP0880787B1 Control device for an internal combustion engine |
| 03/27/2002 | CN2483829Y High-efficiency energy-saving latching contactor |
| 03/27/2002 | CN2483828Y Contactor with electricity-saving unit |
| 03/27/2002 | CN2483827Y Latching energy-saving AC contactor whith is autocut-off when power is interrupted |
| 03/26/2002 | US6361205 Method of determining contact wear in a trip unit |
| 03/21/2002 | US20020033680 Sequential control circuit |
| 03/20/2002 | CN2482737Y Energy-saving contactor |
| 03/20/2002 | CN1340896A Automatic switch equipment for power supply |
| 03/14/2002 | WO2002021552A1 Enabler of teaching pendant |
| 03/13/2002 | CN2482210Y Energy-saving AC contactor service life proloning device |
| 03/07/2002 | US20020027792 Automatic switchover device for power source |
| 03/07/2002 | DE10041633A1 Switch apparatus has switch-off process initiated by integrated electronic trigger unit and/or coupling module |
| 03/06/2002 | CN2481047Y Electronic interlinked controller |
| 03/06/2002 | CN2480974Y Semiconductor pressure relay |
| 03/06/2002 | CN2480973Y Switching capacitor contact |
| 03/05/2002 | CA2357099A1 A drive circuit for the trip actuator of a network protector and a network protector incorporating the same |
| 02/28/2002 | US20020024793 Solenoid driving device |
| 02/28/2002 | US20020023999 Optically controlled MEM switches |
| 02/28/2002 | US20020023921 Microwave oven in which rush current to high voltage transformer is suppressed |
| 02/28/2002 | DE10135302A1 Relay for supporting and handling a bus relay has a magnetic coil for an electromagnetic switch mechanism to act as a two-terminal control network jointly with a recovery diode and an optional light indicator for a coil voltage. |
| 02/28/2002 | DE10038953A1 Verfahren zum Betrieb einer Sicherheitsschaltvorrichtung und Sicherheitsschaltvorrichtung Method for operating a safety switching apparatus, and the safety switching apparatus |
| 02/26/2002 | US6351718 Current control apparatus |
| 02/26/2002 | US6351162 Circuit arrangement for controlling an inductive load |
| 02/26/2002 | US6351113 Integrated soft starter for electric motor |
| 02/21/2002 | DE10037383A1 Sicherheitsschaltgerät zum sicheren Abschalten eines elektrischen Verbrauchers, insbesondere einer elektrisch angetriebenen Maschine Safety relay for safe disconnection of an electrical load, in particular an electrically driven machine |
| 02/20/2002 | EP0830699B1 Control method and device for a switchgear actuator |
| 02/20/2002 | CN2478235Y Red infrared remote-controlled self-locking relay switch |
| 02/20/2002 | CN2478234Y Silencing and electricity saver of a.c. contactor |
| 02/20/2002 | CN2478233Y Electronic energy saver of a.c. contactor |
| 02/20/2002 | CN2478232Y Automatic energy saver of a.c. contactor |
| 02/14/2002 | WO2002013388A2 Method for operating a safety switching device and a safety switching device |
| 02/14/2002 | US20020017947 Semiconductor circuit device having hierarchical power supply structure |
| 02/13/2002 | CN2476874Y Electromagnet contactor |
| 02/07/2002 | WO2002011165A1 Safety switch for safely switching off an electric consumer, especially an electrically driven machine |
| 02/07/2002 | US20020014216 Control device for a starter of an internal combustion engine |
| 02/07/2002 | DE10036846A1 Switch circuit for staircase lights, comprises door switch which opens house door when pressed once and switches on staircase light when pressed twice |
| 02/06/2002 | EP0946956B1 Method and system for detecting relay failure |
| 02/06/2002 | CN2476093Y Energy-saving device for AC contactor |
| 01/31/2002 | US20020011888 Circuit provided with a protective function |
| 01/31/2002 | DE10034779A1 Ansteuervorrichtung für Starter von Verbrennungsmotoren Driving device for starters of internal combustion engines |
| 01/30/2002 | EP0965140B1 Current-controlled output stage for electromagnetic actuators |
| 01/30/2002 | CN2475227Y AC full-isolation remote-controlled switch device |
| 01/24/2002 | DE10029828C1 Bistable relay switch position identification method uses evaluation of induced voltage in auxiliary induction coil upon application of test pulse to relay coil |
| 01/23/2002 | CN2473739Y Energy saving type AC contactor |
| 01/17/2002 | DE10022722A1 Sicherheitsschaltgerät zum sicheren Ein- und Ausschalten eines elektrischen Verbrauchers Safety relay for secure switching on and off of an electrical load |
| 01/10/2002 | WO2001004923A9 Method and system for driving a solenoid |
| 01/10/2002 | DE10032191A1 Electronic control circuit for main beam switching increases control signal switch-on times in steps during switch-on phase in defined time window with defined number of switching cycles |
| 01/10/2002 | DE10031467A1 Circuit for controlling electrical switch element has one of two control units connected to both control inputs as emergency control unit, e.g. with buffered voltage supply |
| 01/10/2002 | DE10030714A1 Safety switch has energy storage device for delivering energy pulse that together with holding energy applies energy required to move bolt into alternate position against spring loading |
| 01/09/2002 | CN2470945Y Electric-contact instrument direct-current controller |
| 01/09/2002 | CN2470944Y Electronic energy-saving electro-magnetic relay |
| 01/08/2002 | US6337786 Electric switching device with closed-circuit protection |
| 01/02/2002 | EP1166305A1 Circuit provided with a protective function |
| 01/02/2002 | CN2469545Y Energy conservation and noise elimination AC contactor with cast-iron core |