| 发明名称 |
PAM MULTI VALUE MULTIPLEX TRANSMISSION METHOD |
| 摘要 |
PURPOSE:By reducing DC component in send output of D/A converter, transmission by analog transmission line becomes possible and the device becomes economical using IC's. |
| 申请公布号 |
JPS5286009(A) |
申请公布日期 |
1977.07.16 |
| 申请号 |
JP19760002084 |
申请日期 |
1976.01.12 |
| 申请人 |
HITACHI LTD |
发明人 |
KAMATA KOUZOU |
| 分类号 |
H03M5/20;H04B14/02;H04J7/00;H04L25/49 |
主分类号 |
H03M5/20 |
| 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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