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. 10, 2009

Filed:

Aug. 23, 2005
Applicants:

Hiroyuki Matsumoto, Wakayama, JP;

Yasushi Yamamoto, Kishiwada, JP;

Atsuo Masui, Sakai, JP;

Inventors:

Hiroyuki Matsumoto, Wakayama, JP;

Yasushi Yamamoto, Kishiwada, JP;

Atsuo Masui, Sakai, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a lens unit including a plurality of lens groups, the first, most object-side lens group includes a prism that changes the optical axis. In this lens unit, during zooming, while the first lens group is kept stationary, an image-sensing device is moved along the optical axis.


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