Glass fracture security system and a resilient sealing means for use therein
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United States of America Patent
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-
Jan 27, 1998
Grant Date -
N/A
app pub date -
Aug 22, 1995
filing date -
Sep 13, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A security system for detecting the fracture of a pane of glass of a motor vehicle comprising a fracture detector mechanisms in the form of a resilient sealing member. The resilient sealing member, which is normally in physical contact with the glass, has at least one sensor integrally formed therein by molding the at least one sensor into the resilient sealing member. The electrical state of the at least one each sensor, which is monitored by a control mechanism, is changed when the glass is fractured and, upon fracture, an appropriate warning device is energized by the control mechanism in response thereto. An anti-trap device may also be included in the resilient sealing member in order to detect the presence of foreign objects.
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