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.:

US 11194138 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 07, 2021

Filed:

Jul. 17, 2020
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Maki Yokoya, Utsunomiya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
G02B 15/1425 (2019.08); G02B 13/18 (2013.01);
Abstract

A zoom lens includes, in order from an object side to an image side, a first lens unit having a negative refractive power and a second lens unit having a positive refractive power, a distance between the first lens unit and the second lens unit changing during zooming. A predetermined condition is satisfied.


Find Patent Forward Citations

Yokoya, Maki. (2021). Zoom lens, image pickup apparatus, and image pickup system (U.S. Patent No. 11194138). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11194138

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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