The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 21, 2009
Filed:
Aug. 24, 2004
Dirk Adolph, Ronnenberg, DE;
Stefan Kubsch, Hohnhorst, DE;
Hui LI, Hannover, DE;
Harald Schiller, Hannover, DE;
Wolfgang Klausberger, Hannover, DE;
Dirk Adolph, Ronnenberg, DE;
Stefan Kubsch, Hohnhorst, DE;
Hui Li, Hannover, DE;
Harald Schiller, Hannover, DE;
Wolfgang Klausberger, Hannover, DE;
Thomson Licensing, Boulogne-Billancourt, FR;
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.