Image reader

Details Image reader Image reader

2011-01-04

2011-01-04

Worku, Negussie (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S509000, C358S475000, C382S274000, C382S275000, C399S364000

Reexamination Certificate

active

07864378

ABSTRACT:
An image reader includes a lamp that irradiates light onto a document, a first carriage that moves the lamp along the document to optically scan the document, a CCD that receives light reflected from the document and prepares an image data indicative of an image of the document. A size sensor detects a length of the document in an auxiliary scanning direction, and an IPU that detects a length of the document in the main scanning direction from the image data. A CPU monitors whether a size of the document has changed, based on the detected by the size sensor, and controls irradiation of the light by the lamp based on the result of monitoring.

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Japanese Office Action dated Aug. 17, 2010, issued in corresponding Application No. JP 2005-340594.

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