Communications: electrical – Continuously variable indicating – With meter reading
Patent
1997-03-21
1999-11-16
Cuchlinski, Jr., William A.
Communications: electrical
Continuously variable indicating
With meter reading
34082534, 3408253, 70278, 70277, 70409, 70427, 235382, H04O 100
Patent
active
059865636
ABSTRACT:
A digitally programmable protecting mechanism and a programmable key for a mechanical rotary lock for providing enhanced protection and enabling user to change mechanical and electronic security code configuration at any time without involving of special tools. The device includes a mechanical digitally configurable key where the protecting binary code configuration is formed by cylindrical binary coding members put on a central core of the key, and an electronic programmable digital module attached to a mechanical rotary lock for capturing the key code configuration, verifying, and releasing the lock if the verification proves that the key coding configuration and the electronic module coding are matched.
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patent: 4833465 (1989-05-01), Abend et al.
patent: 4854143 (1989-08-01), Corder et al.
patent: 4937437 (1990-06-01), Ferguson
Beaulieu Yonel
Cuchlinski Jr. William A.
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