Precision of flatbed or ADF document reading by detecting different reference positions driving image sensor in different directions to read reference plate

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United States of America Patent

PATENT NO 12052398
APP PUB NO 20240073340A1
SERIAL NO

18455389

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Abstract

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An image reading apparatus, includes an image sensor, a drive mechanism configured to cause the image sensor to move in a first direction and a second direction opposite to the first direction, a reference plate, and a control unit configured to execute a first reading method of detecting a first reference position by driving the image sensor in the first direction and reading the reference plate, thereafter reading a document by driving the image sensor in the first direction, and a second reading method of detecting a second reference position by driving the image sensor in the second direction and reading the reference plate, and thereafter reading a document by driving the image sensor in the second direction.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHAOHTA-KU TOKYO 146-8501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yoshida, Tsuyoshi Kanagawa, JP 137 1288

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