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:
Jul. 20, 2004
Filed:
Feb. 04, 2003
Applicant:
Inventors:
Shigeru Oshima, Tokyo, JP;
Yoshio Yamazaki, Kanagawa, JP;
Assignee:
Arc Design, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 5/00 ; G02B 1/514 ;
U.S. Cl.
CPC ...
G03B 5/00 ; G02B 1/514 ;
Abstract
A multifocal lens to be used for digital still cameras comprises a fixed first lens or a first group of lenses; a movable second lens or a second group of lenses; and a fixed third lens or a third group of lenses, wherein the second lens or second group of lenses moves back and forth (up and down) between the first and third lenses or lens groups, and changes its own focal length of the whole lens from wide angle to telephoto and vice versa.