Windshield soil detector

Details Windshield soil detector Windshield soil detector

1974-11-04

1976-03-30

Rolinec, R. V.

Optics: measuring and testing

Inspection of flaws or impurities

Bore inspection

G01N 2148

Patent

active

039471314

ABSTRACT:
A device for indicating the soiling of a sheet of glass or windshield comprising a source that emits light through the windshield onto the soiled surface at the angle of total reflection, a photometer that registers the changes caused in the light returned through the glass as the result of the soiling of the windshield, and an indicating device or signal transmitter connected to the photometer.

REFERENCES:
patent: 3832567 (1974-08-01), Jacques et al.

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