Wiper-activated headlight circuit

Details Wiper-activated headlight circuit Wiper-activated headlight circuit

1993-07-09

1995-08-22

Dougherty, Thomas M.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 101, 315 82, 315 77, 361175, H01H 4724, B60Q 102, B60L 114

Patent

active

054443075

ABSTRACT:
A relay circuit connects the headlight circuit and wiper circuit of a motor vehicle to actuate the low-beam lamps whenever the windshield wipers are activated. The relay circuit includes a delay circuit to permit continuous operation of the headlights even during intermittent operation of the windshield wipers, and an interlock to prevent operation to prevent the low beams and high beams from being simultaneously operated. Further, the relay circuit includes means to prevent operation of the vehicles instrument lights as a warning to the operator.

REFERENCES:
patent: 4339667 (1982-07-01), Bergmann et al.
patent: 4713584 (1987-12-01), Jean
patent: 5130905 (1992-07-01), Ruter
patent: 5138183 (1992-08-01), Patterson
patent: 5235250 (1993-08-01), Cronk

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