Directional radio system for single sideband operation

Details Directional radio system for single sideband operation Directional radio system for single sideband operation

1978-03-03

1980-06-24

Griffin, Robert L.

Telecommunications

Transmitter and receiver at separate stations

Single or vestigial sideband system

455 71, H09B 168

Patent

active

042097487

ABSTRACT:
A directional radio system with single sideband operation for the transmission of a carrier frequency modulated single sideband signal in the intermediate frequency plane. In the transmitter, the intermediate frequency signal which contains the base band is provided with at least two pilot signals of different frequency and in the receiver a tuning criterion for the mixing oscillator of the receiver is derived from the frequency spacing of the received pilot signals and from the frequency shift of the received pilot signals produced by transmission of same over the radio links.

REFERENCES:
patent: 2530614 (1950-11-01), Hugenholtz
patent: 3068416 (1962-12-01), Meyer
patent: 3088070 (1963-04-01), Robel

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