Reflectometer

Details Reflectometer Reflectometer

1991-02-07

1992-09-15

Howell, Janice A.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

G01B 900

Patent

active

051480417

ABSTRACT:
A reflection meter for measuring the percentage of reflected light from a surface. A light source produces light which strikes the surface. The surface reflects the light into a chamber which directs the light to a detector. The detector senses the reflected light and produces a detect signal that represents the light reflected. A microprocessor receives the detect signal and calculates a percentage of light reflected from the surface which is shown on a display. An absorbing receiver engage the surface and absorbs any light that is transmitted through the surface.

REFERENCES:
patent: 2451501 (1948-10-01), Liben
patent: 3690774 (1972-09-01), Kottle et al.
patent: 4054391 (1977-10-01), Witte
patent: 4284356 (1981-08-01), Heilman
patent: 4364663 (1982-12-01), Gardner et al.
patent: 4479714 (1984-10-01), Lehrer
patent: 4591271 (1986-05-01), Byers
patent: 4673818 (1987-06-01), Guerra
patent: 4785336 (1988-11-01), McComb et al.

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