Digital video recording/playback system with entry point processing function
US6480669B1 · kind B1 · utility
108Cited by
9References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2000 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | May 4, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/8227
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention allows the user to insert an entry point (bookmark) at an arbitrary recording position of video data, audio data, and the like as if he or she placed a bookmark between pages of a book. Information RTR_VMG that manages recorded objects includes movie cell entry point information M_C_EPI. M_C_EPI includes entry point playback time information EP_PTM and text information PRM_TXTI that pertains to an entry point. PRM_TXTI can store text information that pertains to its contents together with type information and date information of an entry point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.