Energy efficient control circuit for solenoid actuated locking d

Details Energy efficient control circuit for solenoid actuated locking d Energy efficient control circuit for solenoid actuated locking d

1996-08-05

1998-07-14

Fleming, Fritz

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

H01H 4702

Patent

active

057813990

ABSTRACT:
The present invention provides a driver circuit for energizing a solenoid actuated locking device. The circuit is adapted to include a microprocessor, a battery power supply, a boosting circuit and an energy storage circuit. The battery voltage is stepped up by the boosting circuit and the stepped up voltage is stored in the energy storage circuit. A solenoid driver circuit including a plurality of transistors arranged in an H-bridge configuration supply energy from the storage circuit to the solenoid under control of the microprocessor.

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patent: 4161870 (1979-07-01), Barnes
patent: 4827744 (1989-05-01), Namazue et al.
patent: 5268811 (1993-12-01), Maeda
patent: 5388435 (1995-02-01), Bailey
patent: 5490031 (1996-02-01), Braun et al.
patent: 5532521 (1996-07-01), Leininger
patent: 5617082 (1997-04-01), Denison et al.

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