Communications: electrical – Selective – Having indication or alarm
Patent
1980-04-14
1982-10-12
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
307 10AT, 315 83, 315 84, 340 75, 340 81F, B60Q 146, B60R 2510
Patent
active
043541747
ABSTRACT:
Anti-theft circuits are provided which can be obtained by incorporating a few components into the electrical system of an existing automobile. In one embodiment interior mounted anti-theft and bypass switches, and an exterior mounted arming switch are interconnected between the turn signal circuitry, the horn circuitry and the door actuated dome and courtesy light circuitry. When all three of these switches are in their off positions, operation of the turn signal lamps, the brake lamps, the horn, and the dome and courtesy lights is conventional. Both the anti-theft and bypass switches can be moved to their on positions to place the circuit into a hazard mode in which the front and rear turn signal lamps flash on and off together, and the rear brake lamps flash on and off together alternatingly with the flashing of the rear turn signal lamps. When only the anti-theft and arming switches are in their on positions, unauthorized opening of any of the passenger doors, trunk lid, hood or fuel door by a would-be car thief will cause intermittent honking of the horn and flashing of the turn signal and brake lamps.
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Caldwell Sr. John W.
Nowicki Joseph E.
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