Recording/playback apparatus and method

Details Recording/playback apparatus and method Recording/playback apparatus and method

Filed on

2005-02-15

Date issued

2010-10-05

Examiner

Trujillo, James (Department: 2159)

Patent Class

Data processing: database and file management or data structures

SubClass

Database and file access

SubSubClass

Preparing data for information retrieval

Other Related Categories

C707S915000

Type

Reexamination Certificate

Status

active

Patent number

07809728

Description

ABSTRACT:
A recording/playback apparatus records data and contents management information of the data on a randomly accessible recording medium, or plays back the data and contents management information from the recording medium. Upon changing the contents of group management information required to group arbitrary data independently of a file system, and management information, the contents of a playlist indicating a playback sequence of the data are changed. Upon creating a playlist, group management information corresponding to that playlist is automatically created, and a data list to be referred to by the playlist is updated.

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