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1.发明授权Start-stop synchronization checking circuit for long trains, short trains and single start-stop characters 失效用于长列车，短列车和单起始字符的起停同步检查电路
公开(公告)号：US3419679A
公开(公告)日：1968-12-31
申请号：US55647266
申请日：1966-06-09
Applicant: BELL TELEPHONE LABOR INC
Inventor： PETER ELVIS , HOUCKE GEORGE P
IPC: H04L7/04
CPC classification number: H04L7/044
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