Control apparatus for door lock device

Details Control apparatus for door lock device Control apparatus for door lock device

1995-06-29

1997-08-12

Masih, Karen

Electricity: motive power systems

Motor-reversing

Automatic and/or with time-delay means

318254, 318138, 318439, 70275, 292201, H02P 100

Patent

active

056568991

ABSTRACT:
A control apparatus for a door lock device having a superlock mechanism comprising a state detecting member, a brush fixed thereto, first to third terminals opposing the brush, and a power supply circuit for supplying power to a motor which drives the lock device, the state detecting member moving among three positions corresponding to unlocked, locked, and superlocked states, the circuit supplying the power via the terminals and the brush on performing the shift from the unlocked or superlocked state to the locked state, and the terminals and the brush stopping the power supply to complete the shift, and the stop of the power supply being detected on the basis of the current flow through the motor.

REFERENCES:
patent: 5037145 (1991-08-01), Wilkes
patent: 5236234 (1993-08-01), Norman
patent: 5409277 (1995-04-01), Rogers, Jr. et al.
patent: 5438855 (1995-08-01), Ikeda
patent: 5441317 (1995-08-01), Gruden et al.

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