Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Patent
1995-03-06
1997-10-14
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
455 32, 455 121, 455 383, H04H 104, H04B 116
Patent
active
056782284
ABSTRACT:
A remote ground terminal for transmitting a modulated data signal to a satellite. The remote ground terminal comprises a source of data signals, a demodulator for receiving a data signal and coupling the data signal to a transmitter, and for producing a power control signal during the period the data signal is present at an input of the demodulator. The power control signal is coupled to the transmitter and controls the operation of the transmitter such that the transmitter only receives power when the demodulator produces the power control signal. During the period the transmitter receives power, it functions to provide and modulate a carrier signal in accordance with the data signal received from the source of data signals.
REFERENCES:
patent: 3962553 (1976-06-01), Linder et al.
patent: 4934983 (1990-06-01), Miyo
patent: 5031231 (1991-07-01), Miyazaki
Corrigan John E.
Soleimani Mohammad
Denson-Low Wanda K.
Eisenzopf Reinhard J.
Hughes Aircraft Co.
Vo Nguyen
Whelan John T.
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