Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use
Patent
1994-08-29
1997-05-06
Mullen, Thomas
Communications: electrical
Land vehicle alarms or indicators
Of burglary or unauthorized use
340545, 340428, 200 6108, 52171R, 427205, B60R 2510
Patent
active
056275099
ABSTRACT:
A glazing unit security system has an electrically conductive strip of polymeric material self-adhered to the surface of a tempered glass pane. Security means electrically connected to the conductive strip senses and responds to a loss of electrical continuity of the conductive strip. The conductive strip is non-self-integral, such that it would not survive with electrical continuity a fracture of the underlying glass panel. Since a fracture of the tempered glass panel will result in overall fracturing of the panel, it would cause loss of electrical continuity of the conductive strip. The security system further includes an alarm or other device responsive to a loss of electrical continuity of the conductive strip. When installed in a motor vehicle, the security system may include disabling means to prevent normal operation of the motor vehicle in response to loss of electrical continuity of a conductive strip.
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Gajewski Kenneth J.
Lyke Larry R.
Ford Motor Company
May Roger L.
Melotik Lorraine S.
Mullen Thomas
Pope Daryl C.
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