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:
Mar. 08, 2022
Filed:
Nov. 03, 2020
Applicant:
Canon Precision Inc., Hirosaki, JP;
Inventor:
Kazuki Matsuyama, Hirosaki, JP;
Assignee:
CANON PRECISION INC., Aomori-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/347 (2006.01); H01L 31/0203 (2014.01); H01L 31/173 (2006.01);
U.S. Cl.
CPC ...
G01D 5/34715 (2013.01); G01D 5/34753 (2013.01); H01L 31/0203 (2013.01); H01L 31/173 (2013.01);
Abstract
A reflection type sensor includes a light emitting element configured to emit light, a light receiving element configured to receive reflected light from a scale having a pattern, and a transparent member configured to cover the light emitting element and the light receiving element. A predetermined condition is satisfied.