Ditube type color television camera and its application to an ap

Details Ditube type color television camera and its application to an ap Ditube type color television camera and its application to an ap

1973-08-29

1976-01-20

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 54, H04N 907

Patent

active

039342654

ABSTRACT:
A ditube type color television camera comprises a striped filter arranged near an object to be reproduced and including a striped filter element for screening blue or red color light only and a striped filter element for passing all visible lights, both the striped filter elements being arranged alternately side by side and assembled into one integral body such that the horizontal scanning direction of a chrominance signal detecting camera tube is perpendicular to the lengthwise direction of both the respective striped filter elements, and a dichroic mirror arranged between a brightness signal detecting camera tube and the chrominance signal detecting tube and adapted to separate the incident light into a green color light and red and blue color lights. The green light is accepted by the brightness signal detecting camera tube and the red and blue color lights are accepted by the chrominance signal detecting camera tube to obtain a brightness signal and a chrominance signal, respectively. An apparatus for converting a color film picture image into a video signal is provided in which the illuminating light emitted from an illuminating light source is incident on a color film continuously running along a circular track and which comprises an oscillating reflecting mirror, a stationary reflecting mirror arranged near but outside that scanning region of the running film which corresponds to the two frames of the running film, the above mentioned striped filter arranged just behind the color film and the above mentioned dichroic mirror adapted to accept the light reflected by the oscillatory reflecting mirror.

REFERENCES:
patent: 3015688 (1962-01-01), Ridgeway
patent: 3300580 (1967-01-01), Takagi et al.
patent: 3531584 (1970-09-01), Bell
patent: 3548089 (1970-12-01), Takagi et al.
patent: 3601529 (1971-08-01), Dischert
patent: 3726991 (1973-04-01), Takeumura et al.
patent: 3739079 (1973-06-01), Noda et al.

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