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:
Sep. 02, 2025
Filed:
Mar. 28, 2024
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yoshiyuki Taki, Tochigi, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/06 (2006.01); G02B 9/34 (2006.01); G02B 13/00 (2006.01); G02B 13/02 (2006.01);
U.S. Cl.
CPC ...
G02B 13/06 (2013.01); G02B 9/34 (2013.01); G02B 13/009 (2013.01); G02B 13/02 (2013.01);
Abstract
A zoom lens includes, in order from an object side to an image side, a first lens unit having negative refractive power, and a plurality of subsequent lens units. The zoom lens further includes an aperture stop. For zooming, the first lens unit is fixed, and the plurality of subsequent lens units move to change a distance between adjacent lens units. Predetermined inequalities are satisfied.