Automotive light and wiper control circuit

Details Automotive light and wiper control circuit Automotive light and wiper control circuit

1991-01-14

1993-10-05

Pellinen, A. D.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

315 82, B60L 114, B60Q 102

Patent

active

052508501

ABSTRACT:
A circuit for coupling the operation of the headlights and parking lights of an automobile to the operation of the windshield wipers consists of a first switch controlled by the presence of wiper motor voltage. The switch is in parallel with the headlights switch to effect operation of the headlights. A latch provides for the continuous operation of the switch in the event of loss of wiper motor voltage, such as when the wipers are operated in a pulsed mode. A second switch, controlled by operation of the first, operates the parking lights. The circuit includes elements to release the latch to disengage the first and second switches to turn the lights off when the wiper motor is turned off, and preferably includes the parking lights switch as a part thereof.

REFERENCES:
patent: 3767966 (1973-10-01), Bell
patent: 3879617 (1975-04-01), Faller
patent: 4015137 (1977-03-01), Kniesly et al.
patent: 4097839 (1978-06-01), Lesiak
patent: 4236099 (1980-11-01), Rosenblum
patent: 4956562 (1990-09-01), Benedict et al.

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