Optical scanning system utilizing light-emitting diodes

Facsimile and static presentation processing – Facsimile – Recording apparatus

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350 9631, 358294, H04N 112

Patent

active

044020171

ABSTRACT:
A compact optical scanning system is provided to scan the information content of a document and generate electrical signals representative of the information content thereof. A light emitting linear array is used as an illumination source and a linear imaging device is positioned so as to focus the emitted light as a scanning line onto the document. In one embodiment, the document is moved through a scanning zone and light reflected from scanned lines is collected and converted into electrical signals which can be used to control a remote recorder device.

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patent: 4179621 (1979-12-01), Crean et al.
patent: 4317137 (1982-02-01), Tompkins
patent: 4321630 (1982-03-01), Kramer
"Solid State Electric Imaging Device", John E. Gosztyla, Xerox Disclosure Journal, vol. 5, No. 6, Nov./Dec. 1980, p. 645.
"Gradient-Index Optics: A Review", Duncan T. Moore, Applied Optics, vol. 19, No. 7, Apr. 1, 1980, pp. 1035-1038.

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