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.

Date of Patent:
Sep. 04, 2012

Filed:

Dec. 01, 2009
Applicant:

Chang-han Kim, Suwon-si, KR;

Inventor:

Chang-han Kim, Suwon-si, KR;

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

A wide angle zoom lens system in a three lens group N-P-P configuration wherein the first lens group, the second lens group, and the third lens group are arranged in an order from an object side to an image side, and wherein, when variable power operation is performed from a wide angle to a telephoto position, the distance between the first lens group and the second lens group is reduced, and the second lens group is moved toward the object side, and the distance between the second lens group and the third lens group is increased, and wherein the zoom lens has a large view angle at the wide angle position.


Find Patent Forward Citations

Loading…