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:
Mar. 06, 2007
Filed:
Dec. 20, 2004
Kazuhito Kurita, Kanagawa, JP;
Mikinori Matsuda, Kanagawa, JP;
Takahiro Yamada, Saitama, JP;
Toru Morikawa, Kanagawa, JP;
Kazuhito Kurita, Kanagawa, JP;
Mikinori Matsuda, Kanagawa, JP;
Takahiro Yamada, Saitama, JP;
Toru Morikawa, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A disc cartridge includes a cartridge body unit having an optical disc () rotatably housed in it and provided with a recording and/or reproducing aperture () for exposing a part of the disc to outside, and a shutter member () slidably carried by the cartridge body member (). A shutter opening/closing member () provided to a disc drive device () slides on the shutter member. The shutter member also includes an engagement opening () engaged by the shutter opening/closing member. The shutter member operates for opening/closing the recording and/or reproducing aperture. The shutter member includes a collision buffering part () for absorbing the shock of collision against the shutter opening/closing member.