Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1978-06-09
1980-07-29
Britton, Howard W.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
307352, H04B 900
Patent
active
042152690
ABSTRACT:
The specification discloses a transmitter and receiver set which operates so as to: pick up digital information as electrical impulses, such as information produced by a computer; translate this information into square-wave optical signals, which may be carried along optical fiber; amplify the electronic signal, as well as impress on the electronic signal an oscillation which is characteristic of the data signal alone; detect the said oscillations; and translate this detected signal into the standard electronic signal output.
REFERENCES:
patent: 3786284 (1974-01-01), Engstrom
patent: 4012633 (1977-03-01), Huntley
patent: 4037162 (1977-07-01), Bumgardner
patent: 4051363 (1977-09-01), Fish
patent: 4052611 (1977-10-01), Fish
patent: 4121095 (1978-10-01), Endersz
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