Electronic combination lock with high security features

Coded data generation or conversion – Bodily actuated code generator – With rotary dial

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Details

34082532, 340542, 34082531, 70278, H03M 1100

Patent

active

059736240

ABSTRACT:
An electronic combination lock includes a combination lock having a dial with no markings thereon. Rotation of the dial drives a generator which produces electrical pulses. The voltage pulses serves as a power source for the electronics of the lock. The lock also includes a security feature to disable the lock if the combination dial is stopped between dial rotations for a period of time which indicates dialing by an automatic dialer.

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"X-07: A Safe Lock that Operates Electronically", 2342 Locksmith Ledger International, No. 9 (Jul. 1991).

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