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:
Sep. 10, 2002
Filed:
Aug. 01, 2001
Applicant:
Inventor:
Hidekazu Seto, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 2/010 ;
U.S. Cl.
CPC ...
G11B 2/010 ;
Abstract
An optical disc drive apparatus having a skew servo mechanism in which end portions of a pair of parallel running guide shaft members for guiding an optical pickup unit are slidably secured to a chassis on which a spindle motor having a turntable is mounted to be rotationally driven in a radial direction by a pair of pivot members, and other end portions of the pair of the guide shaft members are rotatably driven in the radial direction by first and second cam surfaces of a sliding cam which is driven in a direction orthogonally intersecting the pair of the guide shafts based on a result detected by a skew detecting element.