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:
Feb. 20, 2007

Filed:

Jun. 23, 2004
Applicants:

Hiromichi Nose, Sakai, JP;

Mamoru Terada, Sakai, JP;

Atsuo Masui, Sakai, JP;

Inventors:

Hiromichi Nose, Sakai, JP;

Mamoru Terada, Sakai, JP;

Atsuo Masui, Sakai, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); H04N 5/262 (2006.01);
U.S. Cl.
CPC ...
Abstract

A zoom lens system for forming an optical image of a subject on the image-sensing surface of an image sensor has three lens units, namely, from the object side thereof, a first lens unit having a negative optical power, a second lens unit having a positive optical power, and a third lens unit having a positive optical power. The lens units each include at least one plastic lens element. The zoom lens system as a whole includes at least one glass lens element that fulfills a prescribed conditional formula.


Find Patent Forward Citations

Loading…