Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus
US4953035A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 23, 1988 |
| Grant date | Aug 28, 1990 |
| Priority date | — |
| Expiry date | Sep 23, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2545
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Method of recording and reproducing picture information and a recording medium on which the picture information is recorded by the method, and an apparatus for playing such a recording medium. In addition to a coded information signal, graphic codes including picture information being inserted as a subcode of the coded information signal and identification information indicating areas of the recording medium in which predetermined sections of the subcode are recorded are recorded on the recording medium. At the time of playback of the recording medium, the areas are searched in response to a command by using the identification information and a picture signal corresponding to the graphic codes obtained by reading information recorded in that areas of the recording medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.