Digital/analogue TV receiver that renews a channel map using event information and virtual channel tables
US7523476B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2003 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Feb 11, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/482
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital/analogue TV receiver having a function for displaying an EGP screen comprises a controller for displaying the EPG (electric program guide) screen including channels and TV program information on a display apparatus, and a memory for storing a channel map memorizing the TV program information correspondingly to the channels. The controller renews the channel map stored in the memory with using VCT (virtual channel table) information and EIT (event information table) information which are delivered with the TV broadcasting signals while image signals of a TV program is outputted to the display apparatus. The controller uses the TV program information memorized in the channel map stored in the memory when the EPG screen is displayed on the display apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.