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发明名称
COMMUNICATION CONTROL UNIT FOR RING DATA
摘要
PURPOSE:To make it possible to send the information to a loop synchronizing device, which can discriminate the troubel point of a single system or duplex system, by providing a frame-pattern generating circuit to each terminal equipment.
申请公布号
JPS53107204(A)
申请公布日期
1978.09.19
申请号
JP19770022543
申请日期
1977.03.01
申请人
NIPPON ELECTRIC CO
发明人
AIZAWA SHIYOUJI
分类号
H04L12/437
主分类号
H04L12/437
代理机构
代理人
主权项
地址
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