Patent · US Expired

System of sharing objects having a plurality of contents

US6724979B2 · kind B2 · utility

1Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 2001
Grant dateApr 20, 2004
Priority date
Expiry dateFeb 22, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/8227
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In order to use video contents created according to DVD video in DVD audio, audio and video sub-directories are located under a root directory. The video sub-directory includes video contents and their management information. The audio sub-directory includes audio contents and their management information. The video management information can only access the video contents. However, the audio management information can access not only the audio contents but also the video contents.

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