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:
Sep. 29, 2009
Filed:
Jul. 23, 2004
Kazuhito Kurita, Kanagawa, JP;
Tokio Kanada, Kanagawa, JP;
Takahiro Yamada, Saitama, JP;
Sony Corporation, Tokyo, JP;
Abstract
A disc cartridge having rotatably housed an optical disc () is disclosed. The disc cartridge includes a main cartridge body unit () having an aperture for the head part () for exposing a portion of the optical disc to outside across the inner and outer rims of the disc. In one surface of the main cartridge body unit is formed a center opening () into which is intruded a turntable () for rotationally driving the optical disc. An inner peripheral surface () of the center opening operates as a mounting reference plane along the planar direction when mounting the disc cartridge to a recording and/or reproducing apparatus. The rim of the opening of the one surface of the main cartridge body unit operates as a mounting reference surface () along the height-wise direction. The main cartridge body unit has an inserting end side into the recording and/or reproducing apparatus formed as a substantially semicircular arcuate section () having, as center, the center of the optical disc housed in the main cartridge body unit.