Radio communication system

Pulse or digital communications – Repeaters – Testing

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375 39, 455 60, 342361, H04B 700

Patent

active

046584056

ABSTRACT:
A radio communication system includes a transmitter unit, a transmission line and a receiver unit. The transmitter unit produces a vertically-polarized wave carrier or a horizontally-polarized wave carrier or both, in accordance with transmission data to be transmitted to the receiver unit. The receiver unit discriminates the levels of the thus transmitted vertically- and horizontally-polarized wave carriers to reproduce the original data.

REFERENCES:
patent: 2288802 (1942-07-01), Hammond, Jr.
patent: 2992427 (1961-07-01), Franco
patent: 3111668 (1963-11-01), Kuecken
patent: 3531951 (1950-11-01), Shamos et al.
patent: 3760274 (1973-09-01), Vogt
patent: 3835392 (1974-09-01), Mahner et al.
patent: 3934204 (1976-01-01), Hill
patent: 3971930 (1976-07-01), Fitzmaurice et al.
patent: 4084137 (1978-04-01), Welti
patent: 4521878 (1985-06-01), Toyonaga et al.
"A Coherent Digital Amplitude and Phase Modulation Scheme", IRE Transactions on Communications Systems, Mar. 1962, pp. 90-95.
European Search Report, The Hague, Aug. 30, 1985, Examiner: Holper.

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