Program guide in a digital video system
US6064378A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1998 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | Oct 21, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/47
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Apparatus and method for acquiring a program from a packetized signal in response to ancillary information included in the packetized signal. The packetized signal includes a plurality of program signals and ancillary information associated with the plurality of program signals. The apparatus includes means for identifying the ancillary information from the packetized signal, the ancillary information including master guide information for use in identifying and acquiring special guide information, and special guide information for use in acquiring program information associated with the plurality of program signals. The program signals may be acquired using identifier information that may be derived from the ancillary information. The apparatus includes means responsive to the ancillary information for acquiring a selected program from the packetized signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.