Method of formatting a disk recording medium and information recording apparatus
AssigneeFujitsu Limited
InventorsKoji Ozaki, Kazuyuki Mikawa
Life of this patent
Estimating the term…
Abstract
An apparatus (22) for recording and reproducing digital information uses a disk recording medium (23) 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 (26) for executing the formatting process of the disk recording medium (23), a detecting portion (24) for obtaining defect information that were detected in the last formatting process of the disk recording medium (23), and a controlling portion (25) for informing the formatting portion (26) 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 (24).
Claims4
A method of formatting a disk recording medium, comprising the steps of:
- dividing a data recording area of the disk recording medium into plural zones in the radial direction;
- formatting the plural zones in a discontinuous order;
- and
- managing defect information for each of the plural zones.
A disk recording medium comprising:
- a data recording area being divided into plural zones in the radial direction;
- a defect management area for managing defect information for each of the plural zones;
- and
- the plural zones being formatted in a discontinuous order.
An apparatus for recording and reproducing digital information using a disk recording medium in which a data recording area is divided into plural zones in the radial direction, and defect information is managed for each of the plural zones, the apparatus comprising:
- means for formatting the disk recording medium;
- means for detecting defect information of the disk recording medium;
- and
- means for controlling the order of format by informing the formatting means of a zone to be formatted next in decreasing order of the number of defects in accordance with the defect information detected by the detecting means.
Dependencies are inferred from the claim text.