Image reading apparatus having a plurality of line sensors and means for correcting crosstalk therebetween

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United States of America Patent

PATENT NO 4974072
SERIAL NO

07255977

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Abstract

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An image reading apparatus has a plurality of line sensors for reading an image, a pulse generator for independently driving the plurality of line sensors under the control of a CPU, and black level correction circuits for correcting black levels of output image signals from the plurality of line sensors. The black level correction circuits perform different black level correction operations for crosstalk portions than for other portions generated by the plurality of line sensors.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHA A CORP OF JAPAN30-2 3-CHOME SHIMOMARUKO OHTA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Shizuo Tokyo, JP 26 448

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