| 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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| 07/07/1987 | US4679116 Current controlling device for electromagnetic winding |
| 06/23/1987 | US4675537 Current-controlled on/off power line switching of electrical devices |
| 06/23/1987 | US4674344 Engine starter |
| 06/23/1987 | CA1223301A1 Irradiation device |
| 06/18/1987 | WO1987003548A1 Adaptive switching circuit |
| 06/16/1987 | EP0225444A1 Process for the control of an electromagnet |
| 06/10/1987 | EP0130184B1 Coil and coil driver control apparatus |
| 06/09/1987 | US4672231 Control circuit particularly adapted for use with lubrication sensor apparatus |
| 06/04/1987 | DE3541965A1 Safety device for a relay |
| 06/03/1987 | CN86106078A Driving circut for coil |
| 06/02/1987 | CA1222537A1 Vacuum contactor having dc electromagnet with improved force watts ratio |
| 05/27/1987 | EP0223042A1 A method for supplying AC power to a DC operated electromagnetic solenoid and control circuit for implementing said method |
| 05/27/1987 | DE3541803A1 Monostable switching device having a bistable relay |
| 05/27/1987 | DE3541338A1 Circuit having self-monitoring |
| 05/13/1987 | EP0221801A1 Remotely controlled electrical switches |
| 05/12/1987 | US4665459 Method and circuit for dissipating stored inductive energy |
| 05/06/1987 | EP0220559A1 A method for driving a DC operated electromagnetic solenoid and control circuit for implementing said method |
| 04/28/1987 | US4661880 Failsafe monitoring system with input controlled switch circuits |
| 04/28/1987 | US4661766 Dual current sensing driver circuit |
| 04/15/1987 | CN86202180U Energy-saving button switch |
| 04/14/1987 | US4658155 Drive circuit for a piezoelectric actuator |
| 04/14/1987 | US4658154 Piezoelectric relay switching circuit |
| 04/14/1987 | US4656989 System for driving solenoid valve for internal combustion engine |
| 04/08/1987 | EP0216816A1 Circuit for dissipating stored inductive energy. |
| 03/31/1987 | US4654553 Relay with actuator which actuates bistable switching mechanism |
| 03/26/1987 | WO1987001765A1 Solenoid driver control unit |
| 03/26/1987 | DE3534042A1 Circuit for operating a relay |
| 03/24/1987 | CA1219466A1 Self-energized commutation device sensitive to a temperature gradient |
| 03/18/1987 | EP0214196A1 Circuit arrangement for simultaneous connection of several users to a supply network |
| 03/04/1987 | EP0212993A1 Electrical remotely-controlled apparatus |
| 03/04/1987 | EP0212777A2 System for driving solenoid valve for internal combustion engine |
| 03/04/1987 | EP0212677A2 Electronic switching device with exciting coil |
| 02/24/1987 | US4645882 Latching relay drive circuit for use in telephone sets |
| 02/10/1987 | US4642726 Solenoid operator circuit for molded case circuit breaker |
| 02/04/1987 | EP0210495A2 Free-wheel circuit |
| 01/29/1987 | WO1987000581A1 Fuel injection solenoid driver circuit |
| 01/24/1987 | CN86103570A Power-saving type electromagnetic mechanism |
| 01/13/1987 | US4636652 Electric circuit control device |
| 01/06/1987 | US4634842 Diagnostic testing arrangement for an electric cooking appliance incorporating commutated relay switching circuits |
| 12/30/1986 | US4633362 Solenoid driven metering pump supply voltage compensation circuit |
| 12/23/1986 | US4631629 Solenoid control circuit |
| 12/23/1986 | US4631628 Electronic fuel injector driver circuit |
| 12/16/1986 | US4630166 A.C. power control for D.C. solenoid actuators |
| 12/16/1986 | US4630165 D.C. power control for D.C. solenoid actuators |
| 12/10/1986 | EP0204624A1 Device for monitoring the state of an electric switch and its use in an electric relay |
| 12/09/1986 | CA1215105A1 Voltage adaptive solenoid control apparatus |
| 12/03/1986 | EP0203366A1 Control device for electromagnetic commutators |
| 12/02/1986 | CA1214856A1 Magnetically operated ac switching device with delay- on-dropout |
| 11/05/1986 | EP0200099A2 Control circuit for an electromagnetic relay to interrupt an AC circuit under tension |
| 11/05/1986 | CN86102390A Control arrangements for electromagnetic switches |
| 10/29/1986 | EP0199612A1 Multiphase interrupting device with remote control |
| 10/29/1986 | CN86200630U A.c. magnetic controlled contactor |
| 10/29/1986 | CN85202745U Magnetic starter with automatically balancing current to attract electric coil |
| 10/28/1986 | US4620261 Apparatus and method for controlling electromagnetic clutches and the like |
| 10/28/1986 | US4620260 Circuit for driving solenoid |
| 10/28/1986 | US4620259 Circuit for driving solenoid valve |
| 10/14/1986 | US4617604 Method for driving a relay |
| 10/09/1986 | WO1986005932A1 Method and circuit for dissipating stored inductive energy |
| 09/30/1986 | US4614992 Actuator driver with open-circuit and stray ground protection |
| 09/12/1986 | WO1986005330A1 Circuit arrangement for simultaneous connection of several users to a supply network |
| 09/03/1986 | CN85108430A Sinlge input line and multi-relaies control assembly |
| 09/02/1986 | US4609965 Magnetic clutch |
| 08/26/1986 | US4608620 Magnetic sensor for armature and stator |
| 08/19/1986 | CA1210124A1 Electronic circuit controlling a multiple operation apparatus fitted with an electromagnetic mechanism |
| 08/13/1986 | EP0190717A1 Circuit for a bistable relay presenting a monostable switching behaviour |
| 08/13/1986 | EP0190209A1 Device for the control of an electromagnet coil and electric switching apparatus provided with such a device |
| 08/12/1986 | US4605983 Drive circuits |
| 08/05/1986 | US4604675 Fuel injection solenoid driver circuit |
| 08/05/1986 | US4604557 Vending machine power switching apparatus |
| 07/29/1986 | US4603370 Power-saving relay circuit |
| 07/22/1986 | US4602309 Control circuit for a bistable solenoid |
| 07/15/1986 | US4600966 For a material handling implement |
| 07/08/1986 | US4599674 Circuit for driving solenoid |
| 06/18/1986 | CN85203208U Electromagnetic system for low-voltage ac magnetic switch |
| 06/17/1986 | US4595967 Electronic control circuit for the performing of a monostable switching function in a bistable relay |
| 05/27/1986 | US4591731 Circuit for controlling the stopping of equipment |
| 05/14/1986 | CN85202872U Erasure noise saving energy contactor |
| 05/07/1986 | CN85203227U Electric saving apparatus of single switch fix-and-let-go alternating-current contactor |
| 04/29/1986 | US4585339 Power control of electronic apparatus in response to surrounding brightness |
| 04/24/1986 | WO1986002504A1 Vending machine power switching apparatus |
| 04/23/1986 | EP0178811A2 Vending machine power switching apparatus |
| 04/22/1986 | US4584621 Two or more than two poles switch means having unequal contact gaps and turn off capacities |
| 04/22/1986 | US4583867 Self-energized commutation device sensitive to a temperature gradient |
| 03/26/1986 | EP0175387A2 Relay with actuator which actuates bistable switching mechanism |
| 03/25/1986 | US4578734 Electronic circuit controlling a multiple operation apparatus fitted with an electromagnetic mechanism |
| 03/11/1986 | US4575641 Circuit arrangement for reducing the residual voltage on partially disconnected loads |
| 03/05/1986 | CN85201698U Dynamic safety relay |
| 02/27/1986 | WO1986001332A1 Device for the control of an electromagnet coil and electric switching apparatus provided with such a device |
| 02/26/1986 | CN85200937U Saving energy contactor |
| 02/18/1986 | CA1200883A1 Coil and coil driver control apparatus |
| 02/11/1986 | US4570109 Irradiation device |
| 01/07/1986 | US4563721 Circuit arrangement for actuating electromagnetic switchgear |
| 01/07/1986 | US4563592 Wall box dimmer switch with plural remote control switches |
| 01/02/1986 | EP0166358A1 Network junction control device of an electric circuit |
| 12/18/1985 | EP0164683A2 Alternating current driven latching relay and method of operation |
| 12/18/1985 | EP0164682A2 Piezoelectric driven direct current latching relay |
| 12/17/1985 | US4559511 Vacuum contactor having DC electromagnet with improved force watts ratio |
| 12/17/1985 | US4559483 Control device for increasing speed of actuation of an electromagnetic consumer, particularly in an internal combustion engine |
| 12/11/1985 | EP0164014A1 Arrangement for the excitation of relays |
| 12/04/1985 | EP0163349A2 Feed circuit for an electromagnetic contactor |