Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › 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
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)
03/1997
03/26/1997EP0764473A2 Improved electric gun driver
03/26/1997EP0764238A1 Method and device for controlling an electromagnetic consumer
03/26/1997CA2186420A1 Electric gun driver
03/19/1997EP0763842A1 Solenoid relay driving circuit
02/1997
02/26/1997EP0532495B1 Filter capacitor precharge apparatus
02/19/1997CN1034096C Multifunctional universal contactor
02/18/1997US5604656 Electromechanical relays
02/13/1997WO1997005637A1 Pulse width modulated solenoid driver controller
02/13/1997CA2200699A1 Pulse width modulated solenoid driver controller
02/12/1997CN2247371Y Energy-saving soundless contactor
01/1997
01/29/1997EP0755565A1 Remote control device especially for conveying, spraying and distributing machines for concrete and mortar
01/23/1997DE19534715A1 Protection circuit for relay-controlled electrical motor
01/03/1997WO1997000525A1 Circuit arrangement for operating an electromagnet
12/1996
12/31/1996US5590013 Electric-supply-switch relay-circuit
12/27/1996WO1996042098A1 Switching equipment
12/19/1996WO1996041358A1 Power disconnect switch
12/19/1996DE19623674A1 Electric switch contactor
12/19/1996DE19522582A1 Schaltungsanordnung zum Betrieb eines Elektromagneten Circuit arrangement for operating an electromagnet
12/19/1996DE19521676A1 Armature pick=up control e.g. for operating magnet or solenoid of IC engine gas exchange valves
12/17/1996US5586057 Industrial equipment operating status scanner
12/17/1996US5585607 Collision detecting apparatus
12/17/1996US5584466 Self-holding type solenoid valves
12/12/1996DE19622447A1 Electrical safety interlocked switching system
12/11/1996CN1137705A Ultramicropower loss infrared self-control electric circuit
12/05/1996WO1996038852A1 Solenoid operated remote resetting device with a protective activation circuit
12/05/1996CA2192846A1 Solenoid operated remote resetting device with a protective activation circuit
12/04/1996EP0745263A1 Solenoid current driver circuit
11/1996
11/26/1996US5579201 Modified electrical strip for energizing/de-energizing secondary devices simultaneously with a main device
11/26/1996US5579194 Motor starter with dual-slope integrator
11/26/1996US5578980 Hybrid switch
11/21/1996WO1996036982A1 Control method and device for a switchgear actuator
11/20/1996EP0743667A1 Relay terminal array
11/20/1996EP0743585A1 Control system for a linear solenoid valve
11/20/1996EP0637401B1 Two relay switching circuit for fluorescent lighting controller
11/14/1996DE19516995A1 Relay switch control circuit including oscillator
11/13/1996EP0705482B1 Switching contactor driving circuitry
11/12/1996US5574617 Fuel injection valve drive control apparatus
11/12/1996US5574320 Load drive circuit
11/05/1996US5572177 Current detection unit and relay terminal array
10/1996
10/31/1996DE19546157A1 Proportional solenoid control system for hydraulic system e.g. of motor vehicle heavy duty device, automatic transmission or fuel injection system
10/30/1996CN2239074Y Low power loss a.c. contactor
10/23/1996CN2238482Y Double core switch for relay
10/22/1996US5568349 Apparatus and method for controlling a relay device
10/22/1996US5568025 Abnormally detecting device for relay
10/17/1996WO1996032734A1 Improvements in and relating to permanent magnet bistable actuators
10/16/1996EP0452417B1 Flyback current dampening apparatus
10/15/1996CA2025110C Method and device for driving multiple latching relays
10/12/1996CA2173803A1 Ground fault detection circuit for an undergrounded control system
10/02/1996EP0735666A2 Control circuit for controlling the driving of a dc motor
10/02/1996CN1032947C Protective circuit for electric appliance
10/01/1996US5561416 Position sensing apparatus
09/1996
09/24/1996US5559664 Electromechanical relay system
09/17/1996US5557494 Drive circuit of an electromagnetic device
09/12/1996DE19508885A1 Electrical transformer-circuits peak voltage generation device
09/11/1996EP0646077B1 Circuitry for monitoring an inductive circuit
09/04/1996EP0729400A1 Safety reset device
09/03/1996US5552954 Method for triggering parallel relays and circuit for carrying out the method
08/1996
08/29/1996WO1996026528A1 Circuit for driving a contactor
08/21/1996EP0662264B1 Method and device for regulating the mean current across an inductive load controlled to give a variable opening duty cycle
08/13/1996US5546268 Electromagnetic device with current regulated closure characteristic
08/13/1996US5546002 Circuit for testing two switch or relay contacts simultaneously in automatic control systems
08/08/1996WO1996024149A1 Circuitry for an engagement relay
08/08/1996DE19503536A1 Schaltungsanordnung für ein Einrückrelais Circuit arrangement for an engagement relay
08/06/1996US5543997 Safety switching system for a working apparatus
07/1996
07/30/1996US5541806 Dual current sensing driver circuit with switching energization andflyback current paths
07/30/1996US5541457 Electrical current actuated accessory outlet
07/25/1996DE19513191C1 Safety circuit with electronic switches across contacts of relays for human operative protection on equipment and machines
07/24/1996CN2231819Y Power-saving ac contactor
07/23/1996US5539608 Electronic interlock for electromagnetic contactor
07/23/1996US5539261 Mechanical alternate action to electrical pulse converter
07/23/1996CA2038662C Apparatus for driving the armature of an electric stapler
07/16/1996US5537283 Ground fault detection circuit for an ungrounded control system
07/11/1996DE19520573A1 Magnetic contactor appts. with phase shifter for controlling electromagnet to attract and repel movable iron core
07/10/1996EP0721200A1 Safety combination
07/10/1996EP0674749B1 Actuating relay for starting devices
07/09/1996US5533360 Refrigeration system configuration
07/03/1996EP0720193A1 Electric control for opening and closing a switch or a circuit breaker
07/03/1996CN1125997A Switching contactor driving circuitry
07/03/1996CN1125892A Electricity-saving silencing current prevention and arc elimination device
07/02/1996US5532526 Control circuit for predominantly inductive loads in particular electroinjectors
07/02/1996US5531198 Fuel injection control system for automobile engine
06/1996
06/26/1996EP0452358B1 Method and apparatus for driving and controlling an improved solenoid impact imprinter
06/26/1996CN2230054Y Silent energy saving control device
06/26/1996CN1125494A A system and method for operating high speed solenoid actuated devices
06/25/1996US5530615 Method and apparatus for enhancing relay life
06/25/1996CA2025080C Switch contact actuator with a built-in reed switch
06/19/1996CN2229713Y AC contactor
06/19/1996CN1124887A Self-generating power AC two-conductor switch using mutual inductor
06/18/1996US5528443 Hybrid switch using a one-shot firing pulse
05/1996
05/30/1996WO1996016422A1 Protective safety combination
05/30/1996DE4441070A1 Safety switch arrangement for current supply to hazardous working medium equipment
05/28/1996US5521535 Transistor circuit with a self-holding circuit for a relay
05/22/1996CN1122948A 柱式差位接触器 Column bit poor contacts
05/21/1996US5519598 Load driving circuit
04/1996
04/25/1996WO1996012098A1 Drive circuit
04/23/1996US5510951 Electronic control for 3-wire DC coils
04/18/1996WO1996011488A1 Line powered dc power supply
04/17/1996CN1120726A Non-oxidation explosion-proof current breaker
04/10/1996EP0705482A1 Switching contactor driving circuitry
04/03/1996EP0704096A1 A system and method for operating high speed solenoid actuated devices
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