Telecommunications – Transmitter and receiver at separate stations
Patent
1981-03-26
1983-08-02
Cangialosi, Sal
Telecommunications
Transmitter and receiver at separate stations
455 26, H04K 100
Patent
active
043970346
ABSTRACT:
A system for transmitting desired information is provided which has a very low probability of being intercepted. The system combines a well known narrow bandwidth directional antenna for limiting the interception of the main beam information signal with a novel random noise generated signal which guarantees that the sidelobe signals which also contain the desired information cannot be distinguished as information signals.
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patent: 2413396 (1946-12-01), Weagent
patent: 2660666 (1953-11-01), Duckett et al.
patent: 3638121 (1972-01-01), Spilker
patent: 3879732 (1975-04-01), Simpson
patent: 4143375 (1979-03-01), Knopf
patent: 4176316 (1979-11-01), De Rosa et al.
patent: 4324002 (1982-04-01), Spilker
Cox Benjamin V.
Spencer Billie M.
Zscheile, Jr. John W.
Cangialosi Sal
Grace Kenneth T.
Sowell John B.
Sperry Corporation
Truex Marshall M.
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