Telegraphy – Systems – Line-clearing and circuit maintenance
Patent
1975-05-09
1977-02-22
Robinson, Thomas A.
Telegraphy
Systems
Line-clearing and circuit maintenance
328162, H04L 2502
Patent
active
040093417
ABSTRACT:
A device for regenerating telegraphic signals without bias distortion and noise, using, essentially, a peak limiter fed with direct current voltage from the input signal and a comparator comparing the output signal leaving the peak limiter with a decision potential. The device is used in a telegraphic connection, at the end of a subscriber cable coming from a telephone terminal.
REFERENCES:
patent: 3604941 (1971-09-01), Crum
patent: 3766325 (1973-10-01), Hatfield et al.
patent: 3840753 (1974-10-01), Kuo
Compagnie Industrielle des Telecommunications Cit-Alcatel
Robinson Thomas A.
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