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:
Apr. 18, 2023
Filed:
Apr. 27, 2021
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Ryuichi Araki, Chiba, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/00 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/5041 (2013.01); G03G 2215/0407 (2013.01);
Abstract
An optical sensor comprises a first light-emitting element, a second light-emitting element, a light-receiving element, a first amplifier circuit and a second amplifier circuit. The light-receiving element receives reflected light from an object to be measured, and outputs an output value on the basis of a light receiving result of the light-receiving element. The amplifier circuits amplifies the output value output from the light-receiving element.