Optical: systems and elements – Deflection using a moving element
Patent
1996-02-12
1996-12-31
Phan, James
Optical: systems and elements
Deflection using a moving element
358474, 358494, 358497, 399211, G02B 2608
Patent
active
055899722
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 scan carriage is suspended along an axis substantially parallel to a scan line of a scanned original document and passing through a point substantially coincident with the scan line, thereby minimizing variations in lighting conditions due to vibration of the scan carriage.
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patent: 5140443 (1992-08-01), Iwahara et al.
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Brook Mark G.
Haded Kevin J.
Tellam Mark E.
Wheeler Joseph A.
Agfa Division - Bayer Corporation
Merecki John A.
Phan James
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