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经营范围
发明名称
LINE BRANCHING UNIT
摘要
PURPOSE:To prevent the next-stage terminal units from disconnecting from a line even if power source of the terminal unit near a modem is cut off, by shorting automatically an interface signal from the modem from the next-stage terminal unit.
申请公布号
JPS5392603(A)
申请公布日期
1978.08.14
申请号
JP19770007367
申请日期
1977.01.25
申请人
MITSUBISHI ELECTRIC CORP
发明人
SHIMODA AKIO;SAITOU YASUHIKO
分类号
H04L29/00;H04L12/437
主分类号
H04L29/00
代理机构
代理人
主权项
地址
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