Color image sensor with horizontally-aligned image section, buff

Details Color image sensor with horizontally-aligned image section, buff Color image sensor with horizontally-aligned image section, buff

1985-06-26

1988-04-12

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 48, 35821325, 35821326, 35821329, 358909, 357 24, H04N 9077, H04N 315, H04N 5335, H01L 2978

Patent

active

047378417

ABSTRACT:
A color image sensor has an image section, a buffer section, a storage section, and an overflow drain section which are aligned horizontally. Both the image section and the storage section are formed of a plurality of horizontal shift registers juxtaposed in the vertical direction, with the storage section having half as many horizontal shift registers as the image section. The buffer section can be operated in a first mode in which image signals from two horizontal shift registers in the image section are added together and transferred to a corresopnding horizontal shift register in the storage section, and in a second mode in which image signals from either even or odd horizontal shift registers in the image section are transferred to corresponding horizontal shift registers in the storage section. Pixels of each of the horizontal shift registers in the image section are provided with color filters having one of three different colors C1, C2, C3, such as red, green, and blue. The color filters cyclically repeat in the order C1, C2, C3. Pixels of either each horizontal shift register or pairs of horizontal shift registers in the image section may be shifted by one-half pixel relative to pixels of either adjoining horizontal shift registers or adjoining pairs of horizontal shift registers, respectively. Color filters provided for pixels of either each horizontal shift register or pairs of horizontal shift registers in the image section may be shifted by one and one-half pixels relative to color filters having the same colors provided for pixels of either adjoining horizontal shift registers or adjoining pairs of horizontal shift registers, respectively.

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Li, Kam, "High Density Charge Coupled Device for Liner Image Sensors", Xerox Disclosure Journal, vol. 2, No. 5, Sep./Oct. 1977, pp. 83-84.

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