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:
Jun. 01, 2010
Filed:
Nov. 09, 2007
Kazuhito Kurita, Kanagawa, JP;
Mikinori Matsuda, Kanagawa, JP;
Takahiro Yamada, Saitama, JP;
Tokio Kanada, Kanagawa, JP;
Takashi Fukushima, Tokyo, JP;
Kazuhito Kurita, Kanagawa, JP;
Mikinori Matsuda, Kanagawa, JP;
Takahiro Yamada, Saitama, JP;
Tokio Kanada, Kanagawa, JP;
Takashi Fukushima, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A disc cartridge is provided. The disc cartridge in which is housed an optical disc includes a main cartridge body unit, rotatably housing an optical disc, and having an aperture for a head part for exposing a part of the optical disc to outside across the inner and outer rims of the optical disc, and a shutter unit mounted for movement to this main cartridge body unit for opening/closing the aperture for the head part. A recess into which is introduced a portion of a head part of the recording and/or reproducing apparatus is formed in continuation to the aperture for the head part in a surface of the main cartridge body unit on which slides a shutter unit in an area opposite to the area of movement of the shutter unit with the aperture for the head part in-between.