Color encoding camera utilizing comb filtering for color signal

Details Color encoding camera utilizing comb filtering for color signal Color encoding camera utilizing comb filtering for color signal

1970-02-11

1977-06-14

Stellar, George G.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 44, H04N 122, H04N 907

Patent

active

040301184

ABSTRACT:
Colored light from a scene is spatially encoded onto a photosensitive surface by a striped spatial color encoding filter assembly. The filter assembly comprises a plurality of superimposed gratings for encoding a plurality of colors, at least one grating having its stripes disposed angularly from the direction of scanning lines on the photosensitive surface such that a color representative carrier wave of different phase is produced during successive scanning intervals. The plurality of color representative carrier waves produced by scanning of the imaged gratings on the photosensitive surface may have the same frequency during any line scanning interval thus minimizing the spectrum required to convey full color information, and are separated from each other by comb filter apparatus for producing different color representative signals.

REFERENCES:
patent: 3378633 (1968-04-01), Macovski
patent: 3419672 (1968-12-01), Macovski
patent: 3531584 (1970-09-01), Bell
patent: 3647943 (1972-03-01), Marshall

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