Audiovisual information management system
US6236395A · kind A · utility
432Cited by
5References
79Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1999 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Apr 26, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8456
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Providing at least one description scheme. For audio and/or video programs a program description scheme provides information regarding the associated program. For the user a user description scheme provides information regarding the user's preferences. For the system a system description scheme provides information regarding the system. The description schemes are independent of one another. Preferably, the program description scheme, user description scheme, and system description scheme are independent of one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.