Electronic lock and key system
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United States of America Patent
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-
Aug 16, 1994
Grant Date -
N/A
app pub date -
Oct 11, 1990
filing date -
Oct 11, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electronic key and lock system, particularly useful for solenoid-operated locks employs a key that can operate electronically and mechanically. The key is mechanically polarized with its blade forming a first electrical contact and a separate second contact which is flush or raised relative to the blade. Each of the key and the cylinder employs respective light emitting and light receiving IR devices for communications between the electronics in the key and communications within the lock. The lock includes a solenoid-operated electronic cylinder.
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