Communications: electrical – Selective – Having indication or alarm
Patent
1981-11-12
1984-09-25
Trafton, David L.
Communications: electrical
Selective
Having indication or alarm
180287, 307 10BP, 361196, B60R 2504
Patent
active
044738153
ABSTRACT:
A battery control and alarm system for a vehicle electrical system including a first, normally open, solenoid-actuated switch connected in series with the main battery cable; a second, magnetically actuated reed switch proximate the vehicle ignition switch and connected to the battery; and circuitry to close the first switch when the second switch is closed and for a limited delay period after the second switch is opened. In a preferred embodiment, the system includes a third, magnetically actuated reed switch and circuitry to both sound the vehicle horn and close the first switch when the third switch is closed.
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