Programmable electronic lock

Communications: electrical – Continuously variable indicating – With meter reading

Patent

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Details

34082534, 235380, 235382, 2353825, 70276, 70277, 70278, H04B 100, G06F 700

Patent

active

057740593

ABSTRACT:
A programmable electronic lock is provided. The electronic lock described herein employs many programmable features which enable a user to tailor lock functions for appropriate levels of security and convenience. The features are enabled and tailored via a set of operating parameters stored in an operating parameters data base within the lock. A lockable device employing the present lock may achieve levels of security and flexibility greater than those achieved utilizing conventional locks. Several of the features included in the lock are a timelock early feature for securing the lock prior to a programmed locking time; an idle key life feature for deactivating idle keys from the lock; a variable PIN code requirement structure for convenience and security; and a deposit logging feature for deposit doors.

REFERENCES:
patent: 4218690 (1980-08-01), Ulch et al.
patent: 4727369 (1988-02-01), Rode et al.
patent: 5196841 (1993-03-01), Harder et al.
patent: 5204663 (1993-04-01), Lee
patent: 5349345 (1994-09-01), Vanderschel
patent: 5397884 (1995-03-01), Saliga

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