Telegraphy – Systems – Line-clearing and circuit maintenance
Patent
1975-06-12
1976-08-31
Safourek, Benedict V.
Telegraphy
Systems
Line-clearing and circuit maintenance
H04L 708
Patent
active
039782859
ABSTRACT:
The frame holding time can be materially extended without increasing the counter size by insertion of a delay circuit and an AND gate between the framing detector and hunting means. Hunting operation is performed under control of the logical AND of the detector output and its retarded counterpart. The frame holding time obtained in the present invention corresponds to the sum of the retardation time of the delay circuit and the frame holding time of the conventional device.
REFERENCES:
patent: 3766316 (1973-10-01), Hoffman et al.
patent: 3883729 (1975-05-01), de Cremiers
Ono Shinji
Tan Yoichi
Nippon Electric Company Ltd.
Safourek Benedict V.
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