Measuring apparatus for optically measuring the thickness of a w

Details Measuring apparatus for optically measuring the thickness of a w Measuring apparatus for optically measuring the thickness of a w

1985-12-18

1987-08-18

Rosenberger, R. A.

Optics: measuring and testing

By configuration comparison

With photosensitive film or plate

250339, 356375, 356418, G01B 1100

Patent

active

046873333

ABSTRACT:
A water film surface is irradiated with light from a detecting unit's light source. Light reflected from the water film surface is converted into an electrical signal by a sensor (photoelectric converting means) in the unit. The converted electrical signal is supplied to a processing unit through a cable. The processing unit calculates the water film thickness based on the electrical signal. The calculated thickness is displayed on a display in the detecting unit.

REFERENCES:
patent: 3017512 (1962-01-01), Wolbert
patent: 3960451 (1976-06-01), Wirz et al.
patent: 4076424 (1978-02-01), Ida

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