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:
Aug. 29, 2006
Filed:
Oct. 27, 2004
Applicants:
Tokio Kanada, Kanagawa, JP;
Mikinori Matsuda, Kanagawa, JP;
Inventors:
Tokio Kanada, Kanagawa, JP;
Mikinori Matsuda, Kanagawa, JP;
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A disc drive device for driving a disc held in a cartridge having a movable shutter includes a readout head radially movable on the disc and mounted on a chassis that also mounts a cartridge holder, a disc table on which the disc is loaded, a shutter mechanism for operating the shutter, and a retainer mechanism for holding the shutter open by the shutter mechanism when the disc is loaded on the disc table.