Input/output signals preserver circuit of amplification circuits
US7511573B2 · kind B2 · utility
1Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2004 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Feb 27, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/03
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an input and output signal preservation circuit of an amplification circuit capable of preventing an attenuation of an input signal and an output signal of an amplification circuit in such a manner that an AC input signal is amplified using an amplification device such as a vacuum tube or a transistor in a preamplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.