Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1987-09-25
1989-05-02
Groody, James J.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 41, 358 44, H04N 973, H04N 907
Patent
active
048273317
ABSTRACT:
A solid-state image sensor with a color separation, filter generates a luminance signal component and line-sequential color-difference signal components. Low-pass filters produce wide-band and narrow-band luminance signals from the luminance signal component. A synchronous detection circuit, a delay circuit, and a switching circuit produce simultaneous color-difference signals from the line-sequential color-difference signal components. A level control circuit adjusts the white balance of red, green, and blue signals produced from the narrow-band luminance signal and the simultaneous color-difference signals. A narrow-band luminance signal and simultaneous color-difference signals produced from the white-balanced red, green, and blue signals together with the wide-band luminance signal are encoded into a color video signal.
REFERENCES:
patent: 4415923 (1943-11-01), Noda
patent: 4670777 (1987-06-01), Ishikawa et al.
Nabeyama, Hiroaki, et al., "All Solid State Color Camera with Single-Chip MOS Imager", IEEE Transactions on Consumer Electronics, vol. CE-27, Feb., 1981, pp. 40-46.
Kondo Toshiharu
Nakamura Satoshi
Groody James J.
Sony Corporation
Svihla Randall S.
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