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:
Dec. 06, 2005
Filed:
Mar. 09, 2001
Applicants:
Toshiyuki Fukushima, Osaka, JP;
Hiroshi Ueda, Osaka, JP;
Motoshi Ito, Osaka, JP;
Kenji Takauchi, Osaka, JP;
Inventors:
Toshiyuki Fukushima, Osaka, JP;
Hiroshi Ueda, Osaka, JP;
Motoshi Ito, Osaka, JP;
Kenji Takauchi, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B007/04 ;
U.S. Cl.
CPC ...
Abstract
An information recording medium includes a data area for recording data; and a drive information area for recording at least one piece of drive information. The data area is divided into a plurality of segmented areas in a radial direction of the information recording medium. Each at least one piece of drive information includes a recording and reproduction condition corresponding to at least one of the plurality of segmented areas.