HD to SD guide converter for electronic television schedule system
US5900915A · kind A · utility
79Cited by
12References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 18, 1997 |
| Grant date | May 4, 1999 |
| Priority date | — |
| Expiry date | Mar 18, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/0122
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An Electronic Program Guide (EPG) system is disclosed which accommodates a mix of high definition television (HDTV) and standard definition television (SDTV) EPG display formats. Viewers can toggle from cell to cell of an EPG display using a navigation system such as a remote control highlighting programs of interest. Channels which show a mix of HDTV and SDTV programming have the cells of the grid remain separate for the time period of SDTV programming but join those cells into a single cell when an HDTV program is to be aired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.