Excavating
Patent
1984-12-20
1987-04-14
Smith, Jerry
Excavating
371 55, 371 57, G06F 1100, H04B 1700
Patent
active
046583998
ABSTRACT:
A circuit arrangement for detecting the error rate (BER) in numerical transmission systems which use a line code of the 1B/2B type. The circuit arrangement includes the presence of means (MS) to output respectively a first and a second bit stream (A and B) obtained by serializing respectively the first and the second bits of the words making up the input stream. The streams (A and B) are input respectively into the first and second means for detecting errors (PRE and SRE) designed to activate their own outputs when they detect the presence of pairs of bits that are respectively "1--1" and "0--0". Furthermore, it includes the presence of error-totalling means (TE) connected to the outputs of the first and second means for detecting errors.
REFERENCES:
patent: 3031646 (1962-04-01), Reinholtz
patent: 4088876 (1978-05-01), Rege
patent: 4367550 (1983-01-01), Douverne
patent: 4393499 (1983-07-01), Evens
patent: 4402084 (1983-08-01), Jungmeister
D'Angio Aldo
Regola Claudio
Beausoliel, Jr. Robert W.
Dubno Herbert
Italtel Societa Italiana Telecomunicazioni SpA
Ross Karl F.
Smith Jerry
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