Device for determining the profile of a surface

Details Device for determining the profile of a surface Device for determining the profile of a surface

1974-12-19

1976-06-29

Smith, Alfred E.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250572, 356120, 356209, H01J 314

Patent

active

039671143

ABSTRACT:
A device for determining the profile of a surface is disclosed. It comprises a beam arranged in a rotating plane about an axis of rotation, forming on the surface a light spot and scanning a sector of that plane. A detection system whose detection axis is situated in that plane cuts the beam near the surface and a system for measuring the angle formed by the axis of detection and the beam during the scanning when the light spot is situated on the detection axis is utilized.

REFERENCES:
patent: 3016464 (1962-01-01), Bailey
patent: 3481672 (1969-12-01), Zoot
patent: 3589815 (1971-06-01), Hosterman
patent: 3692414 (1972-09-01), Hosterman et al.
patent: 3715165 (1973-02-01), Smith
patent: 3790287 (1974-02-01), Cuthbert et al.
patent: 3847485 (1974-11-01), Zanoni
patent: 3866038 (1975-02-01), Korth

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