The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2023
Filed:
May. 26, 2022
Yoshio Konno, Kanagawa, JP;
Tatsuya Ishii, Kanagawa, JP;
Tohru Matsumoto, Kanagawa, JP;
Kohta Aoyagi, Kanagawa, JP;
Satoshi Nakayama, Kanagawa, JP;
Hideyo Makino, Tokyo, JP;
Susumu Mikajiri, Tokyo, JP;
Kimiharu Yamazaki, Kanagawa, JP;
Yoshio Konno, Kanagawa, JP;
Tatsuya Ishii, Kanagawa, JP;
Tohru Matsumoto, Kanagawa, JP;
Kohta Aoyagi, Kanagawa, JP;
Satoshi Nakayama, Kanagawa, JP;
Hideyo Makino, Tokyo, JP;
Susumu Mikajiri, Tokyo, JP;
Kimiharu Yamazaki, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
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.