Multiple-area-compatible disk reproducing device
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorYoshitaka Nakamura
Life of this patent
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Abstract
A multisession compatible disk player including: a multisession decision portion (6) that decides whether a disk has plural sessions based on session format information recorded in a lead-in area of a first session on the disk; a disk format decision portion (10) that decides whether the disk is a read-only disk based on disk format information recorded in the lead-in area of the first session on the disk; a disk type decision portion (7) that decides the type of the disk based on the results of decision by the multisession decision portion and the disk format decision portion; and a control portion (9) that controls the playback of the disk based on the result of decision by the disk type decision portion.
Claims13
A multisession compatible disk player characterized by the provision of:
- a signal readout portion that reads out contents information containing identification information about the recording format of a disk recorded in a lead-in area of a first session on a disk;
- a signal processing portion that decodes contents information read out by said signal readout portion;
- an identification information processing portion that identifies each piece of the identification information contained in the contents information decoded by said signal processing portion;
- a multisession decision portion that decides whether the disk has plural sessions based on a session format information in the identification information identified by the identification information processing portion which is recorded in the lead-in area of the first session on the disk;
- a disk format decision portion that decides whether the disk is a read-only disk based on a disk format information in the identification information identified by said identification information processing portion which is recorded in the lead-in area of the first session on the disk;
- a disk type decision portion that decides a type of the disk based on results of the decision by said multisession decision portion and said disk format decision portion;
- and
- a control portion that controls a playback of the disk based on a result of decision by said disk type decision portion.
Dependencies are inferred from the claim text.