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. 28, 2004
Filed:
Jul. 15, 2002
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/7022 ;
U.S. Cl.
CPC ...
G11B 1/7022 ;
Abstract
This invention provides a disc driving device used for rotationally driving a disc-shaped recording medium, comprising: a motor ( ) in which a rotary shaft ( ) attached to a rotor housed in a case ( ) is provided to protrude from the case; and a turntable ( ) having a setting portion ( ) for setting a disc ( ) thereon and a cylindrical portion ( ) provided to protrude inward, and mounted on the proximal end side of the rotary shaft ( ) so as to cover the proximal end side of the rotary shaft ( ) by the cylindrical portion ( ).