Color separation optical system for color television camera

Details Color separation optical system for color television camera Color separation optical system for color television camera

1981-02-02

1983-12-27

Henry, Jon W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

350174, 358 55, G02B 2710, H04N 909

Patent

active

044227221

ABSTRACT:
A color separation optical system consisting of prism blocks is provided with a bias light source and a bias light guide-in device. The bias light guide-in device consists of a plane parallel plate located with an air gap in front of an entrance face of the color separation optical system. The plane parallel plate has light reflecting surfaces to reflect the bias light toward the entrance face. The light reflecting surfaces are provided at the periphery of the plane parallel plate and are desirably made into light diffusing faces.

REFERENCES:
patent: 3590145 (1971-01-01), Schneider et al.
patent: 3824004 (1974-07-01), Doi et al.
patent: 4085419 (1978-04-01), Sekiguchi
patent: 4123777 (1978-10-01), Sekiguchi
patent: 4171869 (1979-10-01), Higuchi et al.

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