| 发明名称 |
DISTORTION NOISE MEASURMENT EQUIPMENT OF RELAY |
| 摘要 |
<p>PURPOSE:The distortion noise is generated at outside of transmission band of each relay by high-level measurement signal sent from terminal station. And the accumulated noise of distortion produced at each relay is eliminated, thus making possible measurement of distortion noise of each relay.</p> |
| 申请公布号 |
JPS5255808(A) |
申请公布日期 |
1977.05.07 |
| 申请号 |
JP19750132547 |
申请日期 |
1975.11.04 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
HAKAMADA YOSHIROU |
| 分类号 |
G01R29/26;H04B1/00;H04B3/46;H04B17/02 |
主分类号 |
G01R29/26 |
| 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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