Security system

Details Security system Security system

1985-06-12

1987-10-06

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

34082534, 235382, 2353825, 70 79, G06F 704, G07D 700, G06K 701, G06K 500

Patent

active

046986308

ABSTRACT:
A security locking system includes a plurality of compartments each having a door giving access thereto and a lock for locking each such door; a console for controlling operation of the locks to permit access to the compartments, wherein the console includes a circuit for accepting a plurality of selected multiple digit codes, each of which codes electronically opens an individual lock associated with that particular selected code; and an additional circuit associated with each lock for allowing all of the locks to be connected by common wiring to the console.

REFERENCES:
patent: 3648241 (1972-03-01), Naito et al.
patent: 3901057 (1975-08-01), Coley, Sr.
patent: 3969584 (1976-07-01), Miller et al.
patent: 4157534 (1979-06-01), Schachter
patent: 4167104 (1979-09-01), Bond
patent: 4177657 (1979-12-01), Aydin
patent: 4204635 (1980-05-01), Hofmann et al.
patent: 4396914 (1983-08-01), Aston
patent: 4532507 (1985-06-01), Edson et al.

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