Transmission system for digital audio broadcasting that incorporates a rotator in the transmitter
US5815529A · kind A · utility
48Cited by
15References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 4, 1996 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Apr 4, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H2201/20
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A digital audio broadcasting system includes an RF transmitter and a corresponding RF receiver. In the RF transmitter, a digitally compressed audio signal is encoded into a symbol stream that is first rotated using a frequency of 150,000 hertz (hz) before transmission to the RF receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.