| 发明名称 |
MONITOR FOR TRANSMISSION SYSTEM |
| 摘要 |
<p>PURPOSE:To detect the circuit abnormality by inserting forcedly a uni-wave signal into an aural circuit for an extremely short time and judging whether the signal reaches in a prescribed level. Thus, a monitor for the circuit can be performed very easily and a accurately.</p> |
| 申请公布号 |
JPS5341915(A) |
申请公布日期 |
1978.04.15 |
| 申请号 |
JP19760115939 |
申请日期 |
1976.09.29 |
| 申请人 |
FUJITSU LTD |
发明人 |
MATSUMOTO TATSUO;SHINOZUKA SHICHIROU;OOBA MATSUSHIROU |
| 分类号 |
H04B3/46;H04B17/00;H04J1/16;H04L25/02 |
主分类号 |
H04B3/46 |
| 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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