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:
Nov. 02, 2010
Filed:
Jun. 20, 2007
Applicant:
Norikazu Yamamoto, Chiba, JP;
Inventor:
Norikazu Yamamoto, Chiba, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/085 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical disc apparatus includes: an optical pickup; a sled drive section that moves the optical pickup in a radial direction of an optical disc; and position control means for controlling, after bringing the optical pickup to an end of a moving range of the sled drive section, the sled drive section to move the optical pickup a predetermined distance in the opposite direction to place the optical pickup at a predetermined reference position.