Broadcast data radio system and receiver apparatus therefor
US6163683A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1999 |
| Grant date | Dec 19, 2000 |
| Priority date | — |
| Expiry date | Feb 24, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H20/22
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A presently disclosed radio broadcasting system for a virtual radio program broadcasting station uses a divided regional approach to broadcast digital and analog signals over a large geographic region divided into multiple overlapping but separate areas constituting small portions of the region. The small areas are served by separate transmission sources/towers supplied from a common source central to the station. The system supports reuse of allocated transmission parameters within non-neighboring small areas in the region. The station is "virtual" because its central source need not be in any of the small areas, and because it uses different transmission parameters in neighboring small areas in a manner that previously would be used by plural different stations. System transmissions include information signals sent in both analog and digital forms. The analog signals representing audibly reproducible programs, and the digital signals include instructions for controlling operations of receiver devices operating in the region. The digital signals also may include audibly reproducible program matter and instructions for controlling insertion of that matter into a program stream defi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.