Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1976-04-14
1977-02-08
Smith, Alfred E.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
333 70R, 333 76, 333 82B, H03H 710, H03H 714, H03H 1300
Patent
active
040074340
ABSTRACT:
A notch filter for the selective attenuation of a narrow band of frequencies out of a larger band wherein a helical resonator is connected to an input circuit and an output circuit through discrete and equal capacitors, and a resistor is connected between the input and the output circuits.
REFERENCES:
patent: 3538456 (1970-11-01), Contus
Fletcher James C. Administrator of the National Aeronautics and Space
Shelton Glenn B.
Manning John R.
Nussbaum Marvin
Porter George J.
Smith Alfred E.
Wofford, Jr. L. D.
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