FM Channel separation adjustment
US4959859A · kind A · utility
7Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1988 |
| Grant date | Sep 25, 1990 |
| Priority date | — |
| Expiry date | Dec 15, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/1676
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An attenuator in the composite L-R signal path used for dynamic signal control for blend purposes is limited in range by a static separation adjust signal which attenuates the maximum L-R signal to a value selected for the best right and left channel separation upon matrixing of the L+R and L-R signals. The gain of the L-R signal path is set greater than the L+R path so that a wide adjustment range is available to the separation adjustment circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.