Wireless transmission/reception system including transmitting te

Details Wireless transmission/reception system including transmitting te Wireless transmission/reception system including transmitting te

1992-07-28

1994-10-11

Urban, Edward F.

Telecommunications

Transmitter and receiver at separate stations

With control signal

455 46, 455 75, 455 88, 455259, H04B 140

Patent

active

053555236

ABSTRACT:
A wireless transmission system includes a plurality of terminal units, a specific one of which is provided with a transmission/receiving circuit that transmits a reference signal of a local oscillation frequency, while all others of which are provided respectively with a transmission/receiving circuit that prepares, on the basis of the reference signal received, a local oscillation frequency signal for frequency conversion of transmitting/receiving frequency signal and intermediate frequency signal, to thereby realize the system at lower costs even when a high local oscillation frequency is employed.

REFERENCES:
patent: 2227902 (1941-01-01), Hahnle
patent: 3147437 (1964-09-01), Crafts et al.
patent: 3182259 (1965-05-01), Holder
patent: 3973203 (1976-08-01), Kahn

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