Color television camera

Details Color television camera Color television camera

1975-01-24

1976-07-13

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 907

Patent

active

039697649

ABSTRACT:
A color television camera comprises a camera tube for producing chrominance signals and a color-resolving striped filter disposed in front of the camera tube. A circuit derives first, second, and third primary color signals responsive to a direct wave signal produced as output from the camera tube and produces first and second modulated color signals. The color-resolving striped filter is made up of a plurality of groups of filter stripes, each group comprising filter stripes of a plurality of kinds extending parallel to the scanning direction of the electron beam of the camera tube. The stripes are arranged in a row, in a direction perpendicular to the scanning direction. Of these groups of stripes, only one part of the stripes (of at the most one kind) is a filter for transmitting additive color mixture light. Other parts are filters for transmitting only a suitable one primary color out of the three primary color lights or opaque parts. The various filters, respectively of the stripes, are so arranged that in each stripe group, with respect to light of all colors, the first primary color light, mixed light of the first and second primary color lights, mixed light of the first and third primary color lights, and mixed light of the first, second, and third primary color lights constituting light of all colors are successively transmitted in a constant repeated sequence, in the electron beam scanning direction.

REFERENCES:
patent: 3585284 (1971-06-01), Macouski
patent: 3719771 (1973-03-01), Eto et al.

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