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:
Jan. 21, 2003
Filed:
Aug. 14, 2001
Tomomi Okamoto, Chigasaki, JP;
Kyuichiro Nagai, Fujisawa, JP;
Hirofumi Taguchi, Yokohama, JP;
Hiroaki Ono, Fujisawa, JP;
Atsushi Inoue, Chigasaki, JP;
Nobuo Masuoka, Chigasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A disk cartridge incorporating a disk-shaped recording medium and having an opening portion for enabling recording and/or reproduction by a recording and/or reproducing device includes a disk cartridge main body, and a disk holder which is detachably mountable to the disk cartridge main body. The opening portion of the disk cartridge is provided in the disk cartridge main body and is closed by a shutter arranged at the disk cartridge main body. The disk holder includes a disk holding member holding the recording medium so that when the disk holder is mounted to the disk cartridge main body, the disk holding member releases holding of the recording medium. When the disk holder is detached from the disk cartridge main body, the disk holding member holds the disk-shaped recording medium and is detached from the disk cartridge main body along with the disk-shaped recording medium.