Television camera having an optical filter

Details Television camera having an optical filter Television camera having an optical filter

1983-10-19

1985-09-03

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 55, 350404, H04N 904, H04N 907, H04N 909, G02B 528

Patent

active

045395845

ABSTRACT:
A television camera which carries out color separation by use of vertical correlation in a picture, comprises a pickup element for scanning a target, a color separating stripe filter, and an optical filter for separating a single incident light beam in a direction which is the same as the scanning direction of the pickup element and a direction perpendicular to the scanning direction, by acting on the single incident light beam in two dimensions. The optical filter comprises a first double refraction transparent plate for separating a light beam in a direction which coincides with the scanning direction of the pickup element, a second double refraction transparent plate for separating a light beam in a direction which is rotated by 45.degree. with respect to the scanning direction, and a third double refraction transparent plate for separating a light beam in a direction perpendicular to the scanning direction. The first, second, and third double refraction transparent plates are stacked.

REFERENCES:
patent: 3784734 (1974-01-01), Watanabe et al.

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