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:
Aug. 19, 2025
Filed:
Jan. 21, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 9/64 (2006.01); B60W 30/095 (2012.01); G02B 13/00 (2006.01); G02B 13/06 (2006.01); G06T 7/50 (2017.01);
U.S. Cl.
CPC ...
G02B 9/64 (2013.01); B60W 30/0956 (2013.01); G02B 13/0045 (2013.01); G02B 13/06 (2013.01); G06T 7/50 (2017.01); B60W 2420/403 (2013.01); B60W 2554/80 (2020.02); G06T 2207/30261 (2013.01);
Abstract
An optical system includes, in order from an enlargement conjugate side to a reduction conjugate side, a front unit including a plurality of lenses, an aperture stop, and a rear unit including a plurality of lenses. A projection characteristic of the optical system representing a relationship between a half angle of view and an image height on an image plane satisfies a predetermined condition.