Pulse or digital communications – Repeaters – Testing
Patent
1979-01-22
1981-01-06
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
340347DD, H04L 2549, H04L 2534
Patent
active
042440513
ABSTRACT:
Two logical values of a 3-valued code correspond to the "1" and "0" values of a binary code. When the same binary logical value occurs in successive digits of data to be transmitted, the corresponding 3-valued logical value and a third logical value are transmitted alternately. When the different binary logical value occurs in the data alternately, the corresponding 3-valued logical values are transmitted alternately.
REFERENCES:
patent: 3339017 (1967-08-01), Quinlan
patent: 3801911 (1974-04-01), Horsten
patent: 4083005 (1978-04-01), Looschen
Fujikura Nobuyuki
Ihara Hirokazu
Noomi Makoto
Hitachi , Ltd.
Safourek Benedict V.
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