Glass fracture security system and a resilient sealing means for

Details Glass fracture security system and a resilient sealing means for Glass fracture security system and a resilient sealing means for

1995-08-22

1998-01-27

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

200 6141, 200511, 340426, 340565, G08B 1300

Patent

active

057126208

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.

REFERENCES:
patent: 3710050 (1973-01-01), Richards
patent: 3815005 (1974-06-01), Berger
patent: 3830018 (1974-08-01), Arai et al.
patent: 4230918 (1980-10-01), Schroeder et al.
patent: 4628300 (1986-12-01), Amato

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