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:
Jul. 28, 2020
Filed:
Sep. 18, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yuki Sawai, Yokohama, JP;
Megumi Maruyama, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); B65H 37/00 (2006.01); H04N 1/195 (2006.01); B41J 29/19 (2006.01); H04N 1/028 (2006.01);
U.S. Cl.
CPC ...
H04N 1/19531 (2013.01); B41J 29/19 (2013.01); H04N 1/0285 (2013.01);
Abstract
A detection apparatus includes a second detection unit configured to detect lowering of a light reflectance of a reflection portion based on an output value based on light received by a light receiving portion while an object is moving on a conveyance path, without depending on at least a part of output values output based on light received by the receiving unit while the object is stopped on the conveyance path.