System for controlling a vehicle window and the like

Details System for controlling a vehicle window and the like System for controlling a vehicle window and the like

1983-03-29

1984-11-06

Truhe, J. V.

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

Variable periods or intervals between controlling operations

318480, 318DIG2, 15250C, H02P 104

Patent

active

044814500

ABSTRACT:
For use in a motor vehicle having a windshield, a control system comprises a raindrop sensor which emits a beam of radiation into a section of the windshield from the inner surface thereof at such an angle of incidence that the beam reflects off the outer surface and detects the reflected beam to convert it into a first signal. The first signal is compared with a reference value to generate a second signal. A motor control circuit is responsive to the second signal for closing a window of the vehicle.

REFERENCES:
patent: 3307095 (1967-02-01), Redmond, Jr.
patent: 3689814 (1972-09-01), Holt
patent: 4355271 (1982-10-01), Noack
patent: 4394605 (1983-07-01), Terazawa

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