Television receiver using received channel guide information and a secondary video signal processor for displaying secondary channel information
US5557338A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 1995 |
| Grant date | Sep 17, 1996 |
| Priority date | — |
| Expiry date | Apr 5, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/47
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A television receiver system having secondary picture display capability (such as PIP or POP) includes two tuners and signal processing arrangements, and circuitry for receiving a transmitted channel guide. In response to a "BROWSE" command, the receiver maintains the currently-tuned first channel as the source for the main picture, displays text related to a television show on a second channel, activates the secondary picture display circuitry, and tunes the second tuner to the second channel. In this way, the viewer can simultaneously get the benefit of both a text description of the television show on the second channel and view a secondary image of the television show on the second channel, without tuning away from the first channel supplying the main picture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.