Patent · US Expired

Digital video recording system and its recording medium

US6813437B2 · kind B2 · utility

82Cited by
14References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 2002
Grant dateNov 2, 2004
Priority date
Expiry dateSep 4, 2022

Classification

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

Abstract

In a DVD recording/playback system, a set top box STB receives an MPEG transport stream constituted by a plurality of transport packets, and a formatter extracts support information indicating if management information included in the transport packets includes predetermined items. A disc drive that records data on a recording medium having a management area and data area records the support information in the management area.

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