1973-09-05
1976-08-31
Moose, Harry
E05B 4900
Patent
active
039783766
ABSTRACT:
An electronic lock providing open/close commands to operate electrically controlled doors. Contacts operated in a predetermined sequence discharge and charge capacitors transfering charge along a capacitor chain to finally close an electronic switch. Contacts not part of the predetermined sequence briefly disable the lock when operated.
REFERENCES:
patent: 3242388 (1966-03-01), Tellerman
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