Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1993-06-28
1994-11-01
Pellinen, A. D.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
340426, 340428, 307 102, 180287, B60R 2510
Patent
active
053609972
ABSTRACT:
A new and improved automobile anti-theft switch is installed in series with ignition circuitry for the automobile. The apparatus includes a relay assembly which includes a relay-controlled switch. The relay-controlled switch is in series with the ignition circuitry for the automobile. A relay driver assembly is connected to the relay assembly and controls the relay-controlled switch. A timer assembly is connected to the relay driver assembly and controls operation of the relay driver assembly and the relay assembly. A disguised first switch assembly is connected to the timer assembly. When the disguised first switch assembly is in the closed state, it controls initialization of the timer assembly. On the other hand, when the disguised first switch assembly is moved to the open state, it permits discharge of the timer assembly. The disguised first switch assembly is covered by an object in the automobile so that the disguised first switch assembly is not visible to a person sitting behind a steering wheel for driving the automobile. The automobile can run as long as the disguised first switch assembly is in a closed state and as long as the disguised first switch assembly is in an open state and the timer assembly is running. When a thief hijacks the automobile, the thief can leave the legitimate driver behind and drive away. Then, after the timer discharges, the automobile comes to a stop.
REFERENCES:
patent: 4300495 (1981-11-01), Trevino et al.
patent: 4438426 (1984-03-01), Adkins
patent: 4762198 (1988-08-01), Vagnone et al.
patent: 4958142 (1990-09-01), Sayers
Krishnan Aditya
Pellinen A. D.
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