Scanning system for scanning reflective and transmissive images

Details Scanning system for scanning reflective and transmissive images Scanning system for scanning reflective and transmissive images

1997-09-12

2000-11-21

Chang, Jon

Facsimile and static presentation processing

Facsimile

Picture signal generator

358497, H04N 104

Patent

active

061511390

ABSTRACT:
A scanning apparatus providing separate fixed object focal planes for transmissive and reflective original documents to be scanned, wherein a scan carriage containing illumination, sensor, and optical elements is moved together to scan an original document and to obtain a digitized representation thereof. The movable scan carriage has an illumination source disposed between the reflective and transmissive object focal planes, with the object focal plane to be used selected by changing the position of one or more optical elements within the scan carriage. The resolution of the digitized representation of the scanned original document can be determined independently of the selection of object focal plane.

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