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

US11736626B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11736626-B2
Application numberUS-202217825369-A
CountryUS
Kind codeB2
Filing dateMay 26, 2022
Priority dateJul 6, 2021
Publication dateAug 22, 2023
Grant dateAug 22, 2023

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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.

First claim

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What is claimed is: 1. A reading device comprising: 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…

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What does patent US11736626B2 cover?
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…
Who is the assignee on this patent?
Konno Yoshio, Ishii Tatsuya, Matsumoto Tohru, and 6 more
What technology area does this patent fall under?
Primary CPC classification H04N1/00047. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Aug 22 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).