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