Interference cancelling system using a notch and omnidirectional

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed

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343367, H01Q 330, H04B 700

Patent

active

044319991

ABSTRACT:
The described system utilizes a pair of antenna beam patterns, one of which s adapted to provide the desired signal and all interfering signals, and the other of which is adapted to provide only the interfering signals. The patterns are then combined to produce substantially only the desired signal as the combined output.

REFERENCES:
patent: 3130410 (1964-04-01), Gutleber
patent: 3605106 (1971-09-01), Gutleber
patent: 3916408 (1975-10-01), Evans
patent: 3916417 (1975-10-01), Wong et al.
patent: 3938154 (1976-02-01), Lewis
patent: 3964065 (1976-06-01), Roberts et al.
patent: 3981014 (1976-09-01), Masak
patent: 4275397 (1981-06-01), Gutleber

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