Windshield wiper control apparatus

Details Windshield wiper control apparatus Windshield wiper control apparatus

1983-03-25

1984-07-31

Dobeck, B.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318443, 318444, 318480, 318483, H02P 532

Patent

active

044632940

ABSTRACT:
A control circuit for a windshield wiper motor which utilizes a plurality of infrared emitters that emit a chain of infrared pulses towards a plurality of infrared sensors. When rain passes between the infrared emitters and the infrared sensors, it will interrupt the flow of pulses therebetween. A control circuit senses the missed pulses and selectively energizes a low-speed, mid-speed and high-speed winding associated with the wiper motor for varying the speed of the windshield wipers. The device automatically controls the operation of the windshield wipers of a vehicle.

REFERENCES:
patent: 3411005 (1966-01-01), Taylor
patent: 4207466 (1980-06-01), Drage et al.
patent: 4317073 (1982-02-01), Blaszkowski

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