Device for reading a color image from an original document with reciprocating filter
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United States of America Patent
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-
Jun 20, 1989
Grant Date -
N/A
app pub date -
Sep 26, 1986
filing date -
Sep 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A color document image reading device provides for inputting of a color image on an original document to various kinds of image processing apparatus. The color document image is decomposed into predetermined pixels, then photoelectrically converted into an electric signal, and then outputted with the pixels arranged time-serially. A filter has a plurality of color separation filter elements which are arranged in a flat configuration while being physically isolated from each other by a light-intercepting area having a predetermined width. The filter is driven by filter drive means in a reciprocal motion in a direction perpendicular to an optical axis, whereby any of the filter elements is brought into alignment with the optical axis. The filter is supported in such a manner as to be movable in a direction of movement of the filter drive means while being prevented from moving in the other directions.
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