Facsimile and static presentation processing – Facsimile – Picture signal generator
Patent
1997-09-03
1999-10-12
Au, Amelia
Facsimile and static presentation processing
Facsimile
Picture signal generator
358474, 358487, 358494, 358497, H04N 104
Patent
active
059662212
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 a single optical element within the scan carriage. The illumination source comprises a single lamp disposed for correct illumination of the selected object focal plane. Automatic resolution selection and focusing of the original image can occur using a converging device comprising a first and second focusing lens.
REFERENCES:
patent: 4882631 (1989-11-01), Mine et al.
patent: 5140443 (1992-08-01), Iwahara et al.
Reznichenko Yakov
Tellam Mark E.
Agfa Corporation
Au Amelia
Bali Vikkram
Kelley Edward L.
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