Patent · US Expired

Optical information recording medium, optical information recording method, and optical information reproducing apparatus utilizing the same

US5850379A · kind A · utility

14Cited by
5References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 27, 1997
Grant dateDec 15, 1998
Priority date
Expiry dateMay 27, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2220/20
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optical information recording medium includes a track storing information in a plurality of sectors, wherein the track is formed spirally or concentrically. One sector includes a plurality of frames and one frame includes a resync mark region, a frame address region, an information region, and a postamble region. In the information region in the first frame, identification information for identifying the position of the sector is stored. In the information region in each frame, information obtained as a result of scrambling performed based on a value of the identification information is stored.

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