Surface profile analyzer

Details Surface profile analyzer Surface profile analyzer

1988-08-31

1991-04-09

Rosenberger, Richard A.

Optics: measuring and testing

Inspection of flaws or impurities

Having predetermined light transmission regions

356371, G01N 2100, G01B 1130

Patent

active

050059750

ABSTRACT:
A surface profile analyzer of the present invention is a device chiefly for analyzing the profile of the skin surface of a human. It has a ring-shaped illuminating device for irradiating a predetermined place of a test surface from all peripheral directions thereof, and an image pick-up device for photographing the test surface illuminated by the ring-shaped illuminating device. A digital signal generating device for converting the image signal of the test surface coming from the image pick-up device into a digital signal is used in conjunction with a computer to analyze the surface profile.

REFERENCES:
patent: 3439988 (1969-04-01), Breske
patent: 4028728 (1977-06-01), Sharp
patent: 4184175 (1980-01-01), Mullane, Jr.
patent: 4449818 (1984-05-01), Yamaguchi et al.
patent: 4736245 (1988-04-01), Seto et al.

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