Method of and apparatus for determining glossiness of surface of

Details Method of and apparatus for determining glossiness of surface of Method of and apparatus for determining glossiness of surface of

1985-11-29

1988-06-07

Lall, Parshotam S.

Boots, shoes, and leggings

356445, G01N 2155

Patent

active

047501405

ABSTRACT:
A method and apparatus classifies and grades glossiness based on the visible feeling by the light reflection intensity distribution of a surface of a body, wherein specular reflection intensities and total reflection intensities are detected for two known light fluxes projected at predetermined incident angles. The specular reflection intensities and the total reflection intensities are processed, to thereby determine the glossiness of the work to be measured.

REFERENCES:
patent: 4124803 (1978-11-01), Bowers
patent: 4408880 (1983-10-01), Tsuji et al.
patent: 4585343 (1986-04-01), Schave et al.
Eckerle et al., "NBS Reference Retroreflectometer", Applied Optics, vol. 19, No. 8, pp. 1253-1259, Apr. 15, 1980.
DE-U-1 944 088 (Farbenfabriken Bayer AG) FIG. 1; p. 3, line 10-p. 4, line 19, 08/11/1966.
WO-A-8 400 213 (Labsystems OY) abstract p. 3, line 20-p. 4, line 22, 06/29/1982.
P. Beckmann et al. "The Scattering of Electromagnetic Waves from Rough Surfaces", chapters 3 and 5.
"Tetsu-to-Hagane (Iron & Steel)", vol. 70 (1984) pp. 1095-1102.

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