发明名称 |
SYNCHRONOUS PROTECTION CIRCUIT |
摘要 |
<p>PURPOSE:To perform sure synchronous protection, by up counting the constant nmu grater than two constants determined each frame with the error detection pulse and by respectively discriminating the synchronism with the underflor signal and the out of synchronism with the overflow signal.</p> |
申请公布号 |
JPS5419318(A) |
申请公布日期 |
1979.02.14 |
申请号 |
JP19770084436 |
申请日期 |
1977.07.14 |
申请人 |
FUJITSU LTD |
发明人 |
YAMAZAWA MASAO;MORIYA TAKAO;SOEJIMA TETSUO |
分类号 |
H04J3/06;H04L7/08;(IPC1-7):04J3/06 |
主分类号 |
H04J3/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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