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 8780452 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 15, 2014

Filed:

Oct. 26, 2012
Applicant:

Sony Corporation, Tokyo, JP;

Inventor:

Takumi Matsui, Tokyo, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein is a zoom lens, including: a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group having a positive refracting power; and a fourth lens group having a positive refracting power; the first, second, third and fourth lens groups being disposed in order from the object side; the lens groups moving upon zooming from a wide angle end to a telephoto end of the zoom lens such that the distance between the first lens group and the second lens group increases while the distance between the second lens group and the third lens group decreases.


Find Patent Forward Citations

Matsui, Takumi. (2014). Zoom lens and imaging apparatus (U.S. Patent No. 8780452). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8780452

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

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