Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1989-10-10
1991-06-25
Groody, James J.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 44, H04N 907, H04N 146
Patent
active
050271954
ABSTRACT:
A color detection and/or recognition apparatus comprises a twin row array (16) of detector elements, each element being arranged to produce an electrical signal on detection of a given color. The two rows (21, 22) each comprise a plurality of groups of detector elements, with the elements in each group of at least one of the arrays being sensitive to a respective different color, with corresponding elements in the two rows being sensitive to different colors, and with the four elements of adjacent corresponding pairs of elements in the two rows being sensitive to at least three different colors. THe electrical signals are processed to provide a determination of the detection of color or the recognition of a color. The two rows of detector elements, typically photosensitive sites in CCD arrays, may be formed closely adjacent one another on the same semiconductor substrate, together with CCD shift registers (23, 24) along the outside edges of the two rows. A line buffer delay circuit (25) may be provided for the outputs of one of the rows.
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TCD140C, Toshiba Corp.
Cooley Roderick A.
Cronshaw ANthony J.
Costello Mark
Groody James J.
Vu Kim Yen
Xerox Corporation
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