Remote control device for an amplifier trap circuit
US4180804A · kind A · utility
6Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1978 |
| Grant date | Dec 25, 1979 |
| Priority date | — |
| Expiry date | Jun 2, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03J9/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An FM trap circuit in an amplifier mounted on a roof top antenna is made operable from inside the home by providing a switch on the amplifier which is responsive to the negative half cycle in an A.C. power signal to disable the trap circuit and a switch in the home for selectively sending a full cycle A.C. power signal or a half-wave rectified signal to the amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.