Apparatus for optically scanning a surface

Details Apparatus for optically scanning a surface Apparatus for optically scanning a surface

1978-01-30

1980-03-25

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

350286, H01J 314

Patent

active

041952235

ABSTRACT:
Apparatus for optically scanning a surface, the radiation path between the light source and light detector including a wedge for correcting undesired intensity variations which occur when a homogeneous non-textured surface is scanned.

REFERENCES:
patent: 3514619 (1970-05-01), Ireland
patent: 3614194 (1971-10-01), Harris
patent: 4081207 (1978-03-01), Dippel

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