Television – Camera – system and detail – Combined image signal generator and general image signal...
Reexamination Certificate
2010-02-26
2011-11-08
Ho, Tuan (Department: 2622)
Television
Camera, system and detail
Combined image signal generator and general image signal...
C348S335000
Reexamination Certificate
active
08054351
ABSTRACT:
According to one embodiment, a shading correction circuit, which corrects for the influence of ambient light quantity shading, for input image light from three CCD sensors of R, G and B, based on a distance from the center of a screen. A shading correction circuit does not make correction for a maximum correction area which is out of a circle with a distance a from the central part of a screen, and corrects for the influence of ambient light quantity shading for a minimum correction area with a distance b from the central part of a screen, after calculating a square L2of an address distance of each pixel of a correction object obtained by using a vertical distance and a horizontal distance from an address of the central part of a screen.
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Japanese Patent Application No. 2009-198966; Notice of Reasons for Rejection; Mailed Oct. 26, 2010 and May 11, 2011 (English translation).
Blakely , Sokoloff, Taylor & Zafman LLP
Ho Tuan
Kabushiki Kaisha Toshiba
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