Method and apparatus of recording and reproducing picture information and recording medium
US5063551A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jan 31, 1989 |
| Grant date | Nov 5, 1991 |
| Priority date | — |
| Expiry date | Jan 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.