Data transmission systems

Details Data transmission systems Data transmission systems

1980-04-08

1981-12-22

Britton, Howard

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

358262, 375 38, H04B 900

Patent

active

043074685

ABSTRACT:
A data transmission system including a transmitting station (13 to 15 and T) wherein three-state signals representing data are converted to two-state signals so that the data can be transmitted via a transmission line adapted to transmit only two-state signals such as a fibre optic transmission line.

REFERENCES:
patent: 2252293 (1941-08-01), Ohl
patent: 3461390 (1969-08-01), Mack
patent: 4027152 (1977-05-01), Brown
patent: 4056828 (1977-11-01), Furuta
patent: 4084069 (1978-04-01), Looschen
patent: 4090154 (1978-05-01), Hauchart
patent: 4201909 (1980-05-01), Dogliotti

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