Database for use in method and apparatus for displaying television programs and related text
US6028599A · kind A · utility
250Cited by
46References
30Claims
0Family size
Inventors
Key dates
| Filing date | Oct 10, 1996 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Oct 10, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/47
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A database consisting of inventive data structures is used to facilitate the creation of electronic program guides when used with a television program schedule system. The database is periodically updated with television program schedule information and is interrogated by a schedule system in order to create program guides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.