Electronic lock

Details Electronic lock Electronic lock

1988-04-27

1989-08-15

Wolfe, Robert L.

Locks

Operating mechanism

Key

70277, E05B 1704

Patent

active

048563102

ABSTRACT:
An electronic lock that is equipped to work together with a key equipped with a number of programmable memories, the said lock comprising an activation element, a dormant memory which contains a code, and comparison means to successively compare the said code contained in the dormant memory with the codes contained in the programmable memories of the key, characterized by the fact that it comprises means of engagement between the key and the activation element, an electromagnet equipped to control the said means of engagement as soon as the comparison means have recognized that the code of the key and the code of the lock are identical, and locking means to maintain the means of engagement in the engaged position until the key is withdrawn from the lock.

REFERENCES:
patent: 3748878 (1973-07-01), Balzono
patent: 4326125 (1982-04-01), Flies
patent: 4340925 (1982-07-01), Lewiner
patent: 4603564 (1986-08-01), Kleinberg
patent: 4712398 (1987-12-01), Clarkson

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