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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02/01/2001 | WO2001008188A1 Method for effecting an electronic drive control |
02/01/2001 | DE19935045A1 Elektronische Antriebssteuerung Electronic traction control |
02/01/2001 | DE19935043A1 Verfahren zur eletronischen Antriebssteuerung Method for eletronischen drive control |
01/31/2001 | CN2417560Y Electronic timing switch for electric lamp and electronic timing socket |
01/25/2001 | WO2001005628A1 Device for actuating electric functional elements |
01/24/2001 | CN2416597Y Universal infrared remote-control lamp switch |
01/24/2001 | CN1061164C Trouble protecting method for circuit breaker |
01/18/2001 | WO2001004923A1 Method and system for driving a solenoid |
01/18/2001 | WO2001004922A1 Electromagnetic contactor |
01/18/2001 | WO2001003987A1 Modulated voltage for a solenoid valve |
01/18/2001 | DE19933201A1 Emergency shut down protective switch circuit has voltage divider connected to control electrode of transistor |
01/17/2001 | EP1069284A2 A method of using inductance for determining the position of an armature in an electromagnetic solenoid |
01/17/2001 | CN2415456Y Intelligent AC contactor |
01/11/2001 | DE19944461C1 Monitoring method for electromagnetic switching device |
01/11/2001 | DE19930521A1 Relaisbauteil Relay component |
01/10/2001 | EP1067571A2 Relay module |
01/10/2001 | EP1067569A1 Fast mechanical switching device |
01/10/2001 | EP0941550B1 Electromagnet for an electrovalve |
01/04/2001 | WO2001001538A1 Protective circuit |
01/03/2001 | EP1065678A1 Solenoid valve control apparatus and brake control apparatus |
01/03/2001 | EP1064530A2 Handheld sensing apparatus |
12/20/2000 | CN2411561Y Gas-sensitive switching device |
12/13/2000 | EP1058935A1 A method of determining contact wear in a trip unit |
12/13/2000 | EP1058934A1 Method of detecting manual trips in an intelligent electronic device |
12/13/2000 | CN2409773Y Time control automatic switch for aerator |
12/07/2000 | WO2000074192A1 Fail safe fault interrupter |
12/06/2000 | EP1057194A1 Electric switching device with closed-circuit protection |
12/06/2000 | EP0979549A4 Electromechanical switching device |
12/06/2000 | EP0882303A4 Solenoid driver and method for determining solenoid operational status |
12/06/2000 | CN2409538Y Remote-control and timing compatible switch |
11/29/2000 | CN1275243A Electronic switch for quick, automatic response to current overloads |
11/29/2000 | CN1274838A Pointer sulfur hexafluoride density relay |
11/28/2000 | US6153990 Relay circuit for high-voltage operation of a bi-directional DC motor |
11/23/2000 | WO2000070634A1 Switch |
11/22/2000 | CN2407448Y Noiseless A. C. contactor with low power consumption |
11/22/2000 | CN2407447Y A. C.contactor with permanent magnet attraction without power consumption |
11/21/2000 | US6151529 Motion sensing system with adaptive timing for controlling lighting fixtures |
11/16/2000 | DE19920307A1 Elektrische Schaltung zum Steuern einer Last Electrical circuit for controlling a load |
11/16/2000 | DE19920306A1 Schaltungsvorrichtung zum Regeln einer induktiven Last Circuit means for controlling an inductive load, |
11/15/2000 | CN1058580C Electricity-saving silencing current prevention and arc elimination device |
11/09/2000 | WO2000067270A1 Power supply systems and methods that can enable an electromagnetic device to ride-through variations in a supply voltage |
11/08/2000 | EP1050965A2 Electrical circuit for driving a load |
11/08/2000 | EP1050894A1 Circuit for controlling an inductive load |
11/08/2000 | CN2405308Y Energy saving type ac contactor |
11/08/2000 | CN1272678A Power equipment containing monostable state type relay for monitoring prepayment electric quantity |
11/02/2000 | DE19919729A1 Functional group control device for motor vehicle has controller which activates direct drive circuit in event of fault in one of controllers or data bus |
11/01/2000 | CN2404205Y Low-power dissipation AC/DC contactor |
10/26/2000 | DE10019454A1 Electromagnetic adjuster e.g. for inlet or outlet valve of motor drive in car or boat |
10/25/2000 | CN1057860C Circuitry for starting relay |
10/24/2000 | US6137193 Controller for relay |
10/18/2000 | CN2402042Y Intelligent electromagnetic control protector |
10/17/2000 | US6133653 Recirculating driver control circuit and method of operating the same |
10/12/2000 | WO2000060623A1 Circuit provided with a protective function |
10/11/2000 | EP1042681A1 Compound switching matrix for probing and interconnecting devices under test to measurement equipment |
10/05/2000 | DE19915234A1 Circuit arrangement with security function to recognize individual errors and prevent unexpected attempt of unauthorized, unintentional or erroneous switching-off |
10/04/2000 | CN2399821Y 继电器 Relay |
09/27/2000 | EP1037715A1 Auto shut-off glue gun |
09/26/2000 | CA2267883A1 System and method for controlling one or more mains voltage electrical devices from an extra-low voltage source |
09/21/2000 | DE19911698A1 Sicherheitsschaltanordnung Safety switch assembly |
09/20/2000 | EP1037515A2 Integrated soft starter for electric motor |
09/20/2000 | EP1037234A2 Safety switching circuitry |
09/20/2000 | EP1036398A1 Electromagnetic relay |
09/20/2000 | CN2397596Y AC contactor control integrated module |
09/20/2000 | CN2397595Y Direct-moving type AC contactor |
09/20/2000 | CN1267124A Integrated soft starter for motor |
09/19/2000 | US6122158 Wide voltage range driver circuit for a fuel injector |
09/13/2000 | CN2396508Y 多功能接触器 Multifunction contacts |
09/13/2000 | CN2396504Y Electronic starting relay for motorcycle |
09/06/2000 | CN1265540A Automatic control method of power supply for a complete set of electric appliance or instruments |
09/05/2000 | US6115228 Relay power reduction circuit |
08/30/2000 | CN2394316Y Non-automatic reset A. C. solid relay |
08/29/2000 | CA2187101C Safety circuit |
08/22/2000 | US6105824 Auto shut-off glue gun |
08/17/2000 | WO2000047095A1 Improvements relating to control of electric heating elements |
08/16/2000 | EP0944911B1 Safety relay |
08/16/2000 | CN2392253Y Arcing controller for AC contactor |
08/15/2000 | US6104592 Electromechanical switching device |
08/09/2000 | EP1026717A1 Relay with an L-shaped yoke and an armature that pivots on the edge of an arm of said yoke |
08/09/2000 | EP1026715A1 Control device for an electromagnetic coil |
08/09/2000 | CN2391299Y Energy-saving damping casting iron-core AC. contactor |
08/08/2000 | US6101082 Control circuit for an electromagnet |
08/08/2000 | US6100815 Compound switching matrix for probing and interconnecting devices under test to measurement equipment |
08/03/2000 | WO2000045403A1 System for control of an electromagnetic actuator |
08/02/2000 | EP1023766A1 Method and circuit for reducing voltage dips in battery supply lines |
07/27/2000 | WO2000044007A1 Solenoid valve control apparatus and brake control apparatus |
07/26/2000 | EP1021816A1 Electronic switch for quick, automatic response to current overloads |
07/26/2000 | CN2389416Y Energy-saving device for ac contact |
07/19/2000 | EP1019933A1 A method of connecting a voltage to a circuit, a switch and use of the switch |
07/19/2000 | CN2388704Y AC passive multiple switch |
07/19/2000 | CN2388703Y Energy-saving device for AC contactor |
07/18/2000 | US6089310 Thermostat with load activation detection feature |
07/12/2000 | EP0925597A4 Current limiting circuit |
07/12/2000 | CN2387629Y Noiseless non-temp electricing saving device |
07/11/2000 | US6087931 Lamp driving circuit of vehicle turn/hazard system using delayed switching |
07/11/2000 | US6087800 Integrated soft starter for electric motor |
07/06/2000 | WO2000039915A1 Twin configuration for increased life time in touch mode electrostatic actuators |
07/06/2000 | WO2000039823A1 A method of determining contact wear in a trip unit |
07/06/2000 | WO2000039822A1 Method of detecting manual trips in an intelligent electronic device |
07/05/2000 | CN1258926A DC contactor |
06/30/2000 | CA2293877A1 Power switching system |