Cable lock system
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United States of America Patent
Stats
-
Aug 7, 2007
Grant Date -
Oct 27, 2005
app pub date -
Apr 5, 2005
filing date -
Dec 18, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cable alarm system is provided that includes: a lock; a cable coupled to the lock and operative to conduct a current; a secondary wire coupled to the lock and parallel to the cable and operative to conduct a current; a current detector coupled to the cable and the secondary wire, operative to detect an interruption of a current in at least one of the cable and the secondary wire; a battery operative to supply power to the current detector; an alarm coupled to the current detector and receiving power from the battery; and a heat sensor coupled to the cable and the secondary wire.
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