Hum neutralization circuit
US4588959A · kind A · utility
4Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1984 |
| Grant date | May 13, 1986 |
| Priority date | — |
| Expiry date | Jul 12, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F1/30
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method and hum neutralization circuit for a grounded grid triode radio frequency amplifier in which the hum signal is detected and a portion thereof related to the amplification of the amplifier applied to the cathode to oppose, when amplified, in amplitude and phase, the effects of the hum signal on the output signal of the amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.