Program network specific information for TV or radio
US6724431B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 27, 1994 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Dec 23, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/0887
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A communication system is desccribed which comprises a transmitter which transmits a standard broadcast format with an associated text string and a receiver for the reception and processing of the standard broadcast format and associated text string. The associated text string has close caption text in addition to other program or station specific text. The other program or station specific text is separated from the associated text string, decoded, processed and stored in function specific memories. When one changes a channel, or presses a button on a remote or has programmed in specific information requested, the program or station specific text is displayed. This text may be displayed on the televison screen with the picture, or it may be displayed on a separate display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.