Pulse or digital communications – Repeaters – Testing
Patent
1979-03-01
1981-01-06
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
375 20, 375113, 371 56, H04L 706, H04L 2534
Patent
active
042440521
ABSTRACT:
An arrangement and method of aligning a digital transmission system receiver to an incoming redundant ternary line signal (6B4T code) which combines detection of an excessive number of code violations with detection of a large number of prohibited ternary words (i.e. redundant ternary words not allocated to a binary equivalent. This results in elimination of spurious realignments of the receiver coupled with rapid realignment when necessary with no disturbance to the output timing during realignment.
REFERENCES:
patent: 3920900 (1975-11-01), Fineman
patent: 3942152 (1976-03-01), Pettersson
patent: 4010421 (1977-03-01), Lind
patent: 4087642 (1978-05-01), Jessop et al.
Hill Alfred C.
International Standard Electric Corporation
O'Halloran John T.
Safourek Benedict V.
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