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:
Jul. 01, 2003
Filed:
Nov. 01, 2000
Koji Ozaki, Kato, JP;
Kazuyuki Mikawa, Kato, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An apparatus ( ) for recording and reproducing digital information uses a disk recording medium ( ) in which data recording area is divided into plural zones in the radial direction, and defect information is managed for each zone. The apparatus comprises a formatting portion ( ) for executing the formatting process of the disk recording medium ( ), a detecting portion ( ) for obtaining defect information that were detected in the last formatting process of the disk recording medium ( ), and a controlling portion ( ) for informing the formatting portion ( ) of a zone to be formatted next in the decreasing order of the number of defects in accordance with the defect information obtained by the detecting portion ( ).