| 发明名称 |
CLICK SOUND PREVENTING SYSTEM |
| 摘要 |
PURPOSE:To prevent the click sound occurring the answering time of the called subscriber by providing a click absorber circuit within the trunk of an exchange, and thus to realize the cost reduction of the telephone set as well as the improvement of the call quality. |
| 申请公布号 |
JPS5368012(A) |
申请公布日期 |
1978.06.17 |
| 申请号 |
JP19760142969 |
申请日期 |
1976.11.30 |
| 申请人 |
HITACHI LTD |
发明人 |
SUZUKI HIDEMASA;SHINKAWA SEIZOU |
| 分类号 |
H04Q1/20;H04M3/18;H04Q3/00;H04Q3/42 |
主分类号 |
H04Q1/20 |
| 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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