High frequency circuit
US4604589A · kind A · utility
6Cited by
1References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 10, 1984 |
| Grant date | Aug 5, 1986 |
| Priority date | — |
| Expiry date | Dec 10, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/38
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A high frequency circuit is arranged to modify a signal, such as a television broadcast signal, prior to high power amplification so as to compensate for distortions introduced by the amplifier. Separate signal paths give independent adjustment of the differential gain, differential phase and linearity of the signal by altering the characteristics of level dependent detectors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.