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:
Oct. 14, 2003
Filed:
Jun. 20, 2002
Applicant:
Inventors:
Kyosuke Yoshimoto, Nagaokakyo, JP;
M. C. Rao, Kurashiki, JP;
Hiroyuki Ohata, Nagaokakyo, JP;
Kazuhiko Nakane, Nagaokakyo, JP;
Teruo Furukawa, Nagaokakyo, JP;
Junichi Kondo, Amagasaki, JP;
Masafumi Ototake, Amagasaki, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 ;
U.S. Cl.
CPC ...
G11B 7/24 ;
Abstract
An optical disk has a recording region divided into zones, each zone including physical tracks which are divided into a number of sectors. The optical disk further includes a structure management table which stores an attribute for each zone indicating whether the corresponding zone is a recording area which permits rewriting of a recording area that does not permit rewriting.