Automatic device for actuation of components to clean a motor ve

Details Automatic device for actuation of components to clean a motor ve Automatic device for actuation of components to clean a motor ve

1985-09-24

1987-01-13

Roskoski, Bernard

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

318444, 318480, 318DIG2, 15250C, 219203, B60S 108

Patent

active

046366989

ABSTRACT:
An automatic device for actuation of components for cleaning motor vehicle glass which includes a system for detection of the dirtiness of the glass, made up of a measuring photosensitive element receiving light directly through the glass and a reference photosensitive element isolated from any direct light and influenced only by the light transmitted through the interior of the glassing and an electronic circuit to receive and compare the responses of the two photosensitive elements and means to control the cleaning components automatically when the difference is response of these elements exceeds a certain threshold.

REFERENCES:
patent: 3621356 (1971-11-01), Kwan Chi On
patent: 4132881 (1979-01-01), Ciarniello et al.
patent: 4317073 (1982-02-01), Blaszkowski
patent: 4355271 (1982-10-01), Noack
patent: 4481450 (1984-11-01), Watanabe et al.
patent: 4495452 (1985-01-01), Boegh-Peterson

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