Patent · US Expired

Recording medium and system for recording and reproducing the recording medium

US7509022B1 · kind B1 · utility

2Cited by
7References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 2000
Grant dateMar 24, 2009
Priority date
Expiry dateJan 27, 2020

Classification

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

Abstract

A recording medium has a first recording area on which recording information is recorded as a set of recording units, and a second recording area on which control information for controlling the recording information to be recorded on the first recording area is recorded. Identifying information for identifying a management condition of the recording information recorded on the first recording area is also recorded on the second recording area at every recording unit.

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