Patent · US Expired

Information recording medium, information recording method and apparatus, and information playback method and apparatus

US6215746A · kind A · utility

60Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 1999
Grant dateApr 10, 2001
Priority date
Expiry dateAug 3, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/8047
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An information recording medium of this invention has a first area which records common information which can be commonly played back by a plurality of types of information playback apparatuses provided by different manufacturers or distributors and complies with common standards, a second area which records specific information which can be played back by only an information playback apparatus of a specific type provided by a specific manufacturer or distributor, and a third area which records link information indicating the links between the common information and specific information.

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