Interactive display system
US6593972B1 · kind B1 · utility
Inventor
Key dates
| Filing date | May 12, 1998 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | May 12, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91342
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An interactive display system is provided for use with (i) a program source having an associated video output signal and a digital data stream, the digital data stream being modulated on the video output signal, and (ii) a monitor in communication with the program source for displaying the output, the display system. The system in a preferred embodiment has a data decoder, for separating the digital data stream and a viewer control box. The control box has a user input for receiving user selections, a data input in communication with the data decoder for receiving the digital data stream, and a program execution module in communication with the user input and the data input. A video cassette for use in such a system is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.