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. 06, 2011
Filed:
Jun. 17, 2010
Akira Suzuki, Kanagawa, JP;
Fumisada Maeda, Tokyo, JP;
Mamoru Suzuki, Tokyo, JP;
Kayoko Tanaka, Tokyo, JP;
Katsuhiro Seo, Kanagawa, JP;
Akira Suzuki, Kanagawa, JP;
Fumisada Maeda, Tokyo, JP;
Mamoru Suzuki, Tokyo, JP;
Kayoko Tanaka, Tokyo, JP;
Katsuhiro Seo, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A variable focal length lens includes: a lens portion including a pair of light transmissive members, at least one of which is deformable, and a light transmissive liquid medium sealed between the pair of light transmissive members; and a liquid medium container including a chamber that communicates with the lens portion and is filled with the liquid medium, the liquid medium container causing the shape of the surface of the deformable light transmissive member or members to be changed by changing the volume of the chamber to adjust the amount of liquid medium with which the lens portion is filled.