Contact image sensor flat bed scanner

Details Contact image sensor flat bed scanner Contact image sensor flat bed scanner

1997-04-10

1999-05-25

Boudreau, Leo H.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358474, 382315, H04N 104, G06K 922

Patent

active

059074132

ABSTRACT:
A flat bed scanner of the type commonly used as a stand-alone computer peripheral in combination with a contact image sensor module, the glass cover of which is removed and the module placed under the glass surface of a flat bed scanner and which extends the full width of the scanning area to provide a 1:1 scanning ratio using a rod lens to focus the image onto the image sensors, with a monorail carriage for the scanner and including low friction strips to prevent tipping of the module into the glass, paper sensors to control the beginning and end of the scanning and for accomplishing scanning in both directions.

REFERENCES:
patent: 4793812 (1988-12-01), Sussman et al.
patent: 4957689 (1990-09-01), Ohnishi et al.
patent: 5610731 (1997-03-01), Itoh
patent: 5801849 (1998-09-01), Soloveychik et al.

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