Switching arrangement for correcting the polarity of a data sign

Details Switching arrangement for correcting the polarity of a data sign Switching arrangement for correcting the polarity of a data sign

1976-11-09

1978-03-28

Atkinson, Charles E.

Communications: electrical

Digital comparator systems

G06F 1112

Patent

active

040817890

ABSTRACT:
Apparatus is described for monitoring and, if necessary, correcting the polarity of a transmitted data signal. Syndrome signals are produced in accordance with the error pattern of the transmitted data signal. Coincidences between block timing pulses and the syndrome signal and block timing pulses and an inverted syndrome signal are counted, and when the respective counts reach predetermined levels counted output signals are produced. A polarity signal indicating proper or improper data signal polarity is produced from the counted output signals. The polarity of the transmitted data signal is adjusted in accordance with the value of the polarity signal.

REFERENCES:
patent: 3227999 (1966-01-01), Hagelbarger
patent: 3469236 (1969-09-01), Gallager
patent: 3593282 (1971-07-01), Tong
patent: 3842400 (1974-10-01), Liefeld et al.
patent: 3873971 (1975-03-01), En

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