Binary data transmission method

Details Binary data transmission method Binary data transmission method

1984-09-28

1986-12-02

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

375 36, 375 55, 375 95, 375110, H04L 702

Patent

active

046270736

ABSTRACT:
A process for transmitting a stream of digital data over a high impedance metallic pair transmission line under high loss conditions is disclosed. This process involves first converting the digital data into a stream of binary code. The first element of the code has a bit cell voltage-time wave shape that begins at 0 volts, moves sharply to an initial voltage A different than zero, at mid cell traverses 0 volts to a second voltage B of similar magnitude but opposite sign to the initial voltage A and that returns to zero at the end of the bit cell. The wave shape has a duty cycle of 80% or greater. The second element of said code is a mirror image of the first element. This code is applied to one end of the transmission line. the stream of binary code is then detected at the other end of the transmission line and reformatted to digital data.

REFERENCES:
patent: 2546316 (1951-03-01), Peterson
patent: 3335369 (1967-08-01), Priebe
patent: 3389223 (1968-06-01), Neiswinter et al.
patent: 3680050 (1972-07-01), Griffin
patent: 3789303 (1974-01-01), Hoffman et al.
patent: 4429406 (1984-01-01), Hale
patent: 4521766 (1985-06-01), Vry

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