Color filter having vertical color stripes with a nonintegral re

Details Color filter having vertical color stripes with a nonintegral re Color filter having vertical color stripes with a nonintegral re

1980-12-05

1983-06-14

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 23, H04N 907

Patent

active

043886400

ABSTRACT:
A color encoding filter for use with a discrete photosensor pickup device has vertical stripes. The stripes occur in repeating cycles of color order, with the ratio of the width of a cycle to the width of a photosensor being a non-integer. This results in wider bandwidth in a luminance signal.
The resulting pickup device output signal comprises a double sideband suppressed carrier signal having subcarriers conveying the chroma information. Both subcarriers can be demodulated, however demodulating only the upper sideband reduces biasing.

REFERENCES:
patent: 3882535 (1975-05-01), Takemura

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