Interactive television system and method having on-demand web-like navigational capabilities for displaying requested hyperlinked web-like still images associated with television content
US5929850A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jul 1, 1996 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Jul 1, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/472
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system and method for displaying still video images related to video content in an interactive broadcast television system. The system and method of the present invention may also be used for simulating an Internet home page on an interactive television system. The present invention thus supports hyperlinked web-like navigational capabilities in an interactive television system. According to the method of the present invention, the video delivery system provides or broadcasts one or more audio/video channels each comprising video content and also provides or broadcasts at least one still image channel comprising a plurality of still video images, preferably MPEG-2 compressed still images. The user or viewer can select options displayed on the television screen to view desired information. When the set top box receives user input selecting an option to view one of the linked still images, the set top box captures the requested image from the still image broadcast channel, stores the image in memory, and displays the captured still video image corresponding to the selection. The user can also request to view an image which is not currently being transmitted by the video delivery sy…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.