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:
Feb. 10, 2026
Filed:
Aug. 29, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Naoto Doujou, Tochigi, JP;
Kazuhiko Kajiyama, Tochigi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/08 (2006.01); G02B 6/293 (2006.01); G02B 9/04 (2006.01); G06T 7/55 (2017.01); G02B 5/00 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
G02B 9/04 (2013.01); G02B 6/29367 (2013.01); G02B 9/08 (2013.01); G06T 7/55 (2017.01); G02B 5/005 (2013.01); G02B 13/18 (2013.01); G06T 2207/30261 (2013.01);
Abstract
A system includes an aperture diaphragm, a first lens configured to be disposed next to the aperture diaphragm on an object side, and to include one or more positive lenses and one or more negative lenses, and a second lens configured to be disposed next to the aperture diaphragm on an image side, and to include one or more positive lenses and one or more negative lenses. Predetermined conditions are satisfied.