Stereo FM receiver, noise control circuit therefor
US5432854A · kind A · utility
18Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1994 |
| Grant date | Jul 11, 1995 |
| Priority date | — |
| Expiry date | Jul 11, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/1661
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A noise control system for a FM stereo receiver senses the presence of noise outside of the FM stereo transmission bandwidth at an output of a FM detector and uses variations of amplitude of the sensed noise to control stereo channel separation and audio bandwidth control circuits of a stereo decoder circuit of the stereo receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.