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. 24, 2026
Filed:
Dec. 15, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Masayasu Teramura, Tochigi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 19/00 (2006.01); G01N 15/1434 (2024.01);
U.S. Cl.
CPC ...
G02B 19/0023 (2013.01); G01N 15/1434 (2013.01); G02B 19/0076 (2013.01);
Abstract
An apparatus according to the aspect of the embodiments includes a light source, a first surface configured to reflect light from the light source toward an object, a second surface with a shape different from a shape of the first surface in which the second surface is configured to reflect a part of the light from the object toward the object, and a third surface configured to reflect a part of the light reflected by the second surface and then reflected by the object, toward a light receiving element.