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:
May. 07, 2024
Filed:
Dec. 21, 2020
Applicant:
Keyence Corporation, Osaka, JP;
Inventor:
Akinori Nagata, Osaka, JP;
Assignee:
KEYENCE CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/42 (2006.01); G01S 7/481 (2006.01); G01S 17/04 (2020.01);
U.S. Cl.
CPC ...
G02B 6/4286 (2013.01); G01S 7/4812 (2013.01); G01S 17/04 (2020.01); G02B 6/4225 (2013.01);
Abstract
An optical waveguide of a light detection unit is allowed to pass through a thin space or to be installed in the thin space. A light detection unit includes: optical waveguides that are formed in a sheet shape, which is wide in the horizontal direction, and have cores and claddings, respectively, the cores and the claddings being provided in layers in the vertical direction; and sheet-shaped cover members that cover the claddings of the optical waveguides and are integrally formed with the optical waveguides.