Patent · US Active

Recording medium, recording method, information transmission method, terminal device, and server device

US7673154B2 · kind B2 · utility

2Cited by
4References
25Claims
0Family size

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Key dates

Filing dateJul 2, 2003
Grant dateMar 2, 2010
Priority date
Expiry dateOct 25, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2220/2545
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A recording medium including at least a lead-in region, a recording region in which information is recorded, and a lead-out region. In this configuration, medium information including medium identification information and relevant information is recorded in at least any one of the lead-in region, the recording region, and the lead-out region.

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