Reading device and image forming apparatus with foreign-object detection by comparing image from reading background with image from reading background and recording medium

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United States of America Patent

PATENT NO 11736626
APP PUB NO 20230010640A1
SERIAL NO

17825369

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Abstract

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A reading device and an image forming apparatus are provided. The reading device includes an image reading device configured to read an image on a recording medium being conveyed, a background device serving as a background image when the image is read by the image reading device, and a foreign-object detector configured to compare a first read image obtained as the background device is read by the image reading device with a second read image obtained as the background device and the recording medium are read by the image reading device to detect an attached foreign object. The image forming apparatus includes the reading device and an image forming device.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoyagi, Kohta Kanagawa, JP 23 105
Ishii, Tatsuya Kanagawa, JP 168 2408
Konno, Yoshio Kanagawa, JP 31 475
Makino, Hideyo Tokyo, JP 33 210
Matsumoto, Tohru Kanagawa, JP 50 670
Mikajiri, Susumu Tokyo, JP 27 136
Nakayama, Satoshi Kanagawa, JP 178 1503
Yamazaki, Kimiharu Kanagawa, JP 35 207

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