发明名称 |
LOOPPTYPE DATA TRANSMISSION SYSTEM |
摘要 |
PURPOSE:To make the circuit small-size and low-price and improve the reliability of system by disusing the conventional third frequency signal by using the specific bit signal as the circuit release signal. |
申请公布号 |
JPS5389603(A) |
申请公布日期 |
1978.08.07 |
申请号 |
JP19770003914 |
申请日期 |
1977.01.19 |
申请人 |
HITACHI LTD |
发明人 |
OKADA MASAKAZU;IDE TOSHIYUKI |
分类号 |
G06F13/00;H04L12/42 |
主分类号 |
G06F13/00 |
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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