Patent · US Expired

Method and apparatus of recording and reproducing picture information and recording medium

US5063551A · kind A · utility

46Cited by
8References
10Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 31, 1989
Grant dateNov 5, 1991
Priority date
Expiry dateJan 31, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N5/92
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Method and apparatus of recording and reproducing picture information on a recording medium. In addition to a coded information signal, subcodes together with an identification code for identifying the coding system of the subcodes are recorded in a first recording area of a recording medium. The subcodes are preferably graphic codes including picture information and character codes having predetermined bit patterns, and are decoded in accordance with the identification code at the time of the playback of the recording medium.

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