Recording apparatus, file management method, program for...

Details Recording apparatus, file management method, program for... Recording apparatus, file management method, program for...

2007-05-01

2007-05-01

Al-Hashemi, Sana (Department: 2164)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

10786849

ABSTRACT:
A recording apparatus such as an optical disk and a file management method are disclosed by which, where an index file is formed from groups of data wherein extract information is collected for different types and one of the groups of data is used to collectively manage the other groups of data, a process relating to deletion or addition of extract information can be executed simply, easily, and with certainty. In each of slots of a property entry, information representing whether the slot is valid or invalid and information representative of a relationship to different slots to which extract information relating to the same file is allocated are recorded, and a combination of the slots in which the extract information of the one file is allocated is managed with the property entry.

REFERENCES:
patent: 2005/0210009 (2005-09-01), Tran
patent: 2006/0259512 (2006-11-01), Jinno et al.

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