| 发明名称 |
AUTOMATIC CALL TEST EQUIPMENT |
| 摘要 |
PURPOSE:To increase the test accuracy as well as to enhance the reliability for the abnormality detection, by providing a test result check circuit to the electronic exchange. |
| 申请公布号 |
JPS53100711(A) |
申请公布日期 |
1978.09.02 |
| 申请号 |
JP19770015699 |
申请日期 |
1977.02.15 |
| 申请人 |
NIPPON ELECTRIC CO;NIPPON DENKI KOUJI KK |
发明人 |
TAKAGI HIDEJI;NAKAI NOBUO;TAKAHASHI TOSHIO |
| 分类号 |
H04M3/22;H04M3/24;H04Q1/20;H04Q3/545 |
主分类号 |
H04M3/22 |
| 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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