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:
Dec. 17, 2002
Filed:
Feb. 16, 2001
Applicant:
Inventors:
Katsuhiko Kimura, Chiyoda, JP;
Mitsuo Satake, Yokohama, JP;
Masayoshi Watanabe, Yokohama, JP;
Tetsuo Ito, Yokohama, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 ;
U.S. Cl.
CPC ...
G11B 7/00 ;
Abstract
To provide an objective lens driving device that drives an objective lens for converging light on a recording surface of an optical disk, not only in a focusing and a tracking directions but also in an inclining direction of an optical axis of the objective lens, four support members are fixed to outer edge portions of a lens holder, and positions where the other support members are fixed to at least one of the lens holder and a fixing section are located inside the four support members fixed to the outer edge portions of the lens holder.