Detector for multiplicity of radio wave frequencies

Details Detector for multiplicity of radio wave frequencies Detector for multiplicity of radio wave frequencies

1977-12-05

1980-08-26

Safourek, Benedict V.

Telecommunications

Receiver or analog modulated signal frequency converter

Responsive to an input signal of particular predetermined...

455 81, 455328, 329161, 343789, 340600, H04B 126, H01Q 1310

Patent

active

042197775

ABSTRACT:
Apparatus for sensing the presence of one or more of a multiplicity of radio waves of distinct frequencies, using a single horn and one or more radiation-receiving apertures with associated circuitry.

REFERENCES:
patent: 2810125 (1957-10-01), Deenean
patent: 3094663 (1963-01-01), Siegel
patent: 3263176 (1966-07-01), Riblet
patent: 3624655 (1971-11-01), Sato
patent: 3707161 (1972-10-01), Gregory
patent: 3932815 (1976-01-01), Yuan
patent: 3980974 (1976-09-01), Yamamoto

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