Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1979-09-12
1981-03-24
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Recording apparatus
354126, 355 67, H04N 104
Patent
active
042583969
ABSTRACT:
Apparatus for illuminating a narrow transverse strip on a document. The apparatus includes a pair of laterally extending illumination lamps and a pair of trough shaped reflectors for collecting light from the illumination lamps and focussing one-dimensional images of the lamp filaments along a common line extending across the document. Each trough shaped reflector has an associated flat reflecting mirror for directing its beam of illuminating light toward the document. The two flat mirrors are rotated in synchronism for scanning the light beams longitudinally along the document. The trough shaped reflectors are moved in synchronism with the scanning movement of the beams so that the images of the lamp filaments remain in one-dimensional focus throughout scanning of the flat document plane. The illuminating light is further collected and directed toward the document by a pair of reflective side surfaces which define walls for the illumination station.
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Attorney's Description of Xerox 7000 Copier.
Spie vol. 119, Application of Digital Image Processing (IOCC 1977), T. R. Little, pp. 172-181.
Britton Howard W.
The Mead Corporation
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