Fail-safe band-pass circuit
US4320354A · kind A · utility
3Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 26, 1979 |
| Grant date | Mar 16, 1982 |
| Priority date | — |
| Expiry date | Nov 26, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H11/1213
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A vital narrow band-pass filter which operates in a fail-safe manner and includes a single stage input resonant circuit, an intermediate multistage parallel resonant circuit, and an output amplifying circuit for passing a given center carrier frequency signal and for attenuating adjacent carrier frequency signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.