Receiver apparatus
US5212828A · kind A · utility
16Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1990 |
| Grant date | May 18, 1993 |
| Priority date | — |
| Expiry date | Dec 11, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/1036
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A receiver apparatus having a mixer circuit, an oscillator circuit and a tuner circuit is provided with a trap circuit, interposed between the tuner circuit and the mixer circuit, for removing disturbing mutual modulation waves generated by receiving two or more RF signals. Further, the mixer circuit employs a double balanced mixer structure to offset two or more disturbing mutual modulation waves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.