Patent · US Expired

Optical disk and method of recording on the same

US6615363B1 · kind B1 · utility

87Cited by
8References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 17, 2000
Grant dateSep 2, 2003
Priority date
Expiry dateMar 17, 2020

Classification

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

Abstract

An optical disk and method of recording information on the same are provided in which music and images such as, motion pictures can be recorded without dropout of information by more reducing the time necessary to replace than in the prior art. On this optical disk are provided a plurality of management areas, of which one or a plurality of the management areas are located between the innermost and outermost peripheries and are used for storing replacement information. Therefore, the optical head need not be moved to the innermost or outermost periphery at the time of replacement unlike the prior art.

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