Light admitting device

Details Light admitting device Light admitting device

1991-03-28

1992-10-13

Ben, Loha

Optical: systems and elements

Miscellaneous

359707, 362 31, 362109, G02B 2700

Patent

active

051556359

ABSTRACT:
A device for admitting light into a photodetecting apparatus such as an automatic white balance sensor includes a light-diffusing plate having a light admitting face for receiving light and a light issuing face from which diffuse light emerges. A reflecting layer is formed on at least a surface of the light-diffusing plate which is opposite the light admitting face.

REFERENCES:
patent: 3506355 (1970-04-01), Nagel
patent: 3588492 (1971-06-01), Pollock
patent: 3988057 (1976-10-01), Kapany et al.
patent: 4059916 (1977-11-01), Tachihara et al.
patent: 4257084 (1981-03-01), Reynolds
patent: 4648690 (1987-03-01), Ohe
patent: 4893222 (1990-01-01), Mintzer
Japanese Patent Abstract 61-248924 (A) Nov. 5, 1986.
Japanese Patent Abstract 1-72125 (A) Mar. 17, 1989.
Japanese Patent Abstract 1-281401 (A) Nov. 13, 1989.
Japanese Patent Abstract 1-11202 (A) Apr. 28, 1989.
Japanese Patent Abstract 63-206701 (A) Aug. 26, 1988.
Japanese Patent Abstract 62-902(A) Jan. 6, 1987.

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