Electronic keyed lock

Details Electronic keyed lock Electronic keyed lock

1986-03-04

1986-12-09

Gellner, Michael L.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

H01H 4728

Patent

active

046284001

ABSTRACT:
A keyed lock in which a key transmits programmed high frequency pulses which are capacitively coupled to an electronic lock which processes and decodes the high frequency pulses and provides an unlocking signal when the programmed pulses match a preset lock program.

REFERENCES:
patent: 1940769 (1933-12-01), Potter
patent: 4104694 (1978-08-01), Hargrove
patent: 4280119 (1981-07-01), May
patent: 4286305 (1981-08-01), Pilat et al.
patent: 4317157 (1982-02-01), Eckloff
patent: 4383242 (1983-05-01), Sassover et al.
"In-Car Security System", Radio Electronics World (GB) vol., No. 7, 3/1982.

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