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. 14, 2026
Filed:
Jul. 24, 2023
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Tsubasa Nakamura, Saitama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G01J 3/02 (2006.01); G01J 3/28 (2006.01); G02B 5/20 (2006.01); G02B 19/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0215 (2013.01); G01J 3/0235 (2013.01); G01J 3/2823 (2013.01); G02B 5/0278 (2013.01); G02B 5/201 (2013.01); G02B 19/009 (2013.01); G01J 2003/2826 (2013.01);
Abstract
An optical system includes a diffusion element configured to diffuse an incident light beam at a diffusion point and to emit diffused light, and an imaging element configured to form an image of the diffusion point. Peak intensities in a diffusion angle distribution characteristic of the diffused light are discrete. A predetermined condition is satisfied.
Nakamura, Tsubasa. (2026). Optical system and optical apparatus having the same (U.S. Patent No. 12601863). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12601863
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile