Patent · US Expired

Method and device for updating a local copy of metadata

US7565064B2 · kind B2 · utility

3Cited by

0References

5Claims

0Family size

Assignee

Thomson Licensing · FR

Inventors

Dirk Adolph · Ronnenberg, DE
Stefan Kubsch · Hohnhorst, DE
Hui Li · Beijing, CN
Harald Schiller · Hannover, DE
Wolfgang Klausberger · Hannover, DE

Key dates

Filing date	Aug 24, 2004
Grant date	Jul 21, 2009
Priority date	—
Expiry date	Jan 18, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG11B2220/2579
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The invention relates to the updating of a local copy of metadata. First change history data of metadata are read from an optical storage medium. Second change history data of the metadata are read from a local storage of an optical storage medium playback and/or recording device. If the first and second change history data are different a change attribute is read a from the optical storage medium and an update operation of the metadata stored in the local storage or an update operation in the optical storage medium is determined depending on the change attribute.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.