Readout system for a full-color image input scanner having three

Details Readout system for a full-color image input scanner having three Readout system for a full-color image input scanner having three

1998-03-30

2000-09-05

Nguyen, Madeleine

Facsimile and static presentation processing

Static presentation processing

Attribute control

358505, 358514, G06F 1500, H04N 146

Patent

active

061151394

ABSTRACT:
In a full-color image scanner having three parallel linear arrays of photosensors, each linear array of photosensors is sensitive to one primary color. With each readout cycle relating to a row of small areas on an original image moving past the scanner, the middle array of the three arrays of photosensors reads out its video data before the other two. This technique allows the arrays of photosensors to be spaced relatively close to each other, and in turn the close spacing of photosensors requires relatively fewer scan lines of video data to be temporarily buffered in the readout process.

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patent: 5550653 (1996-08-01), TeWinkle et al.
patent: 5691760 (1997-11-01), Hosier et al.

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