To Facilitate Tuning Or Selection Of Video Signal Patents (Class 725/38)
- For displaying additional information (Class 725/40)
- Content arrangement (Class 725/44)
- Combined from plural information providers (e.g., combined terrestrial and satellite sources) (Class 725/48)
- Information updating (Class 725/50)
- Having link to external information resource (e.g., online resource) (Class 725/51)
- Navigational feature (Class 725/52)
- Searching (e.g., by title or actor's name) (Class 725/53)
- Transmission scheme (Class 725/54)
- Provided on recordable medium (Class 725/55)