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:
Jan. 23, 2001
Filed:
Feb. 08, 1999
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 1/730 ; G11B 1/700 ;
U.S. Cl.
CPC ...
G11B 1/730 ; G11B 1/700 ;
Abstract
An optical disk device of the present invention includes an optical pickup which performs at least recording or reproduction of signals on or from an optical disk; a guiding section which supports and guides the optical pickup along the radial direction of the optical disk; an upper cover which protects the guiding section; a lower cover which protects the guiding section; and a base which supports the guiding sections therein. A height between the upper cover and the lower cover adjacent to an outer periphery of the optical disk is greater than a height between the upper cover and the lower cover adjacent to an inner periphery of the optical disk.