Measuring-point member for optical measurement

Details Measuring-point member for optical measurement Measuring-point member for optical measurement

1993-08-10

1995-06-13

Yeung, James C.

Illumination

Housing

362326, 362317, F21V 1108, G01B 1100

Patent

active

054249309

ABSTRACT:
A self-illuminating measurable-point member includes; a light source, a fine through-hole which permits light from the light source to permeate therethrough, and a diffusible member which diffuses light permeating the fine through-hole. Light from the light source is condensed via the fine through-hole and diffused via the diffusible member.

REFERENCES:
patent: 4114985 (1978-09-01), Friedman

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