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:
Aug. 21, 2007
Filed:
May. 20, 2004
Kozo Ezawa, Hirakata, JP;
Takeo Santo, Hirakata, JP;
Masahiro Inata, Itami, JP;
Yoshito Saji, Ashiya, JP;
Masuo Maruyama, Moriguchi, JP;
Teruyuki Takizawa, Neyagawa, JP;
Yukio Morioka, Katano, JP;
Tadashi Kuroda, Kobe, JP;
Goro Naoki, Higashiosaka, JP;
Kozo Ezawa, Hirakata, JP;
Takeo Santo, Hirakata, JP;
Masahiro Inata, Itami, JP;
Yoshito Saji, Ashiya, JP;
Masuo Maruyama, Moriguchi, JP;
Teruyuki Takizawa, Neyagawa, JP;
Yukio Morioka, Katano, JP;
Tadashi Kuroda, Kobe, JP;
Goro Naoki, Higashiosaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A disk drive includes a plurality of optical heads corresponding to a plurality kind of disks, and a disk distinction device for distinguishing whether a set disk is a first disk or a second disk when a disk is set on a disk tray, a first disk tray conveying mechanism for the first disk and/or the second disk tray conveying mechanism for the second disk conveys the disk tray to a first tray position in which recording and/or reproducing is performed on the first tray or the second tray position in which recording and/or reproducing is performed on the second tray, according to a result distinguished by the disk distinction device, thereby, an optical head corresponding to a disk set to the disk tray is selected correctly and a recording or reproducing operation is performed on the disk.