Electronic sequential combination locking device

Details Electronic sequential combination locking device Electronic sequential combination locking device

G - Physics

08

B

340/125, 342/11.

G08B 13/22 (2006.01) B60R 25/04 (2006.01) G08B 13/00 (2006.01)

Patent

CA 1168729

ELECTRONIC SEQUENTIAL COMBINATION LOCKING DEVICE ABSTRACT OF THE DISCLOSURE An electronic sequential combination locking device comprising a main switch to which a timer circuit is connected. The timer circuit is activated by the main switch to provide a timer output signal after a predetermined time lapse. An electronic switch means is connected to receive the timer output signal. An alarm is connected to the electronic switch means and is operable by the presence of the timer output signal. A combination lock circuit having a plurality of manually actionable switches is operable in a predetermined sequence to activate a supply switch and disable the electronic switch. The supply switch provides a supply to an operable means. - 1 -

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