Radio transmission system for binary coded signals

Details Radio transmission system for binary coded signals Radio transmission system for binary coded signals

1982-05-28

1984-08-07

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

34082573, H04L 2710

Patent

active

044647662

ABSTRACT:
Binary digits of one kind are each converted into a single, complete sinusoidal oscillation of a lower frequency, and binary digits of the other kind are each converted into a train consisting of an oscillation packet of a higher frequency and a single, complete sinusoidal oscillation of the lower frequency. At the receiving end, only a comparator as limiter, a low-pass filter, and a threshold-value detector are necessary to produce from the transmitted signal a train of pulses of equal length separated by spaces of different lengths. From this pulse train, the binary digits can easily be derived. Because of the simplicity of the equipment at the receiving end, the system is particularly suitable for transmitting data from one transmitter to a large number of receivers.

REFERENCES:
patent: 2929921 (1960-03-01), Clark, Jr.
patent: 3555428 (1971-01-01), Perreault
patent: 3632876 (1972-01-01), Bench

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