Device for detecting errors in a digital transmission system

Details Device for detecting errors in a digital transmission system Device for detecting errors in a digital transmission system

1978-03-01

1979-12-04

Malzahn, David H.

Communications: electrical

Digital comparator systems

G06F 1102

Patent

active

041774477

ABSTRACT:
A device for detecting errors in digital transmission systems which use a line signal whose digital running total is bounded and can only take n distinct states, e.g. a high data rate digital transmission system. The error detection device comprises a synchronous up/down counter with k bistables which give, in real time, the digital running total, and an end decoder formed by logic gates and which is sensitive to the up/down counter overflowing from either of its upper or lower limit values, the number k being an integer which satisfies the inequality:

REFERENCES:
patent: 3810111 (1974-05-01), Patel
patent: 3825892 (1974-07-01), Catchpole
patent: 3842401 (1974-10-01), Smith, Jr. et al.
patent: 4021646 (1977-05-01), Meier
patent: 4103148 (1978-07-01), Erickson

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