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:
Oct. 02, 2007
Filed:
Dec. 16, 2003
Applicants:
Susumu Shibagaki, Kanagawa, JP;
Naoki Inoue, Kanagawa, JP;
Yasuyuki Abe, Miyagi, JP;
Inventors:
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 23/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
A disc cartridge consisting of an upper shell and a lower shell and an inner rotor rotatably arranged between them for housing an optical disc. The lower shell has a bottom opening that is opened and closed by shutter members, the optical disc is upwardly supported by its central part on a first pair of disc mount members that are formed near the periphery of the internal opening formed on the bottom of the inner rotor and by a second pair of disc mount members formed on the shutter members.