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. 12, 2010
Filed:
Jul. 11, 2008
Yoshiho Gotoh, Osaka, JP;
Motoshi Ito, Osaka, JP;
Hiroshi Ueda, Osaka, JP;
Yoshihisa Fukushima, Osaka, JP;
Yoshiho Gotoh, Osaka, JP;
Motoshi Ito, Osaka, JP;
Hiroshi Ueda, Osaka, JP;
Yoshihisa Fukushima, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An information recording medium including a plurality of sectors of the present invention includes: a first spare area including a spare sector for replacing a defective sector among the plurality of sectors; a defect management information area for managing the replacement of the defective sector by the spare sector; and a volume space in which user data can be recorded. The volume space is configured so that a second spare area including a spare sector for replacing a defective sector among the plurality of sectors can be additionally allocated. Location information indicating a location of the second spare area is recorded in the defect management information area.