Stereo demodulation system for an FM stereo broadcast receiver
US4392020A · kind A · utility
2Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1981 |
| Grant date | Jul 5, 1983 |
| Priority date | — |
| Expiry date | Feb 20, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/1653
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A stereo demodulation system for an FM stereo broadcast receiver having frequency dividing means receiving the output of the voltage controlled oscillator in the phase locked loop and producing the first and the second switching signals which are supplied to the first and the second switch and decoder circuit for switching and decoding the stereo composite signal, wherein said first and second switching signals are produced with the fixed phase relationship therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.