Method and apparatus for recording and reproducing picture information and timely reproducing images by graphic codes
US5043826A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jan 31, 1989 |
| Grant date | Aug 27, 1991 |
| Priority date | — |
| Expiry date | Jan 31, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/783
- 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 video format signal and a coded information signal, graphic codes including picture information are recorded on the recording medium correspondingly to playback sections of the video format signal, the graphic codes being inserted as the subcode of the coded information signal. At the time of playback of the recording medium, a video signal according to the graphic codes corresponding to the playback section of the video format signal is generated each time one playback section of the video format signal is played back. Preferably, presence or absence of the graphic codes is displayed each time one playback section of the video format signal is played back.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.