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. 04, 2020
Filed:
Feb. 22, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Takumi Suzuki, 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 1/028 (2006.01); H04N 1/00 (2006.01);
U.S. Cl.
CPC ...
H04N 1/02825 (2013.01); H04N 1/00477 (2013.01); H04N 1/00909 (2013.01);
Abstract
An apparatus includes a second detection unit configured to detect whether there is a decrease in reflectance of a reflection unit for light, based on a second output value which is output by an output unit based on light which is received by a light receiving unit in a state in which, after a first output value is controlled to become a prescribed value, a light emitting unit is radiating light and it is detected by a first detection unit that a predetermined object is present in a path.