FM receiver having variable IF filter
US5155862A · kind A · utility
29Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1989 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Oct 16, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03D3/005
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
In an FM receiver where the center frequency of an IF filter is varied depending on the received signal, an arrangement is described where the bandwidth of the variable IF filter is changed depending on reception quality of the received signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.