| 发明名称 |
AMPLITUDE PHASE MODULATION COMMUNICATION SYSTEM |
| 摘要 |
PURPOSE:To make simple for the constitution of modulation and demodulating unit, by using 4 notation system differential conversion logic circuit, in phase modulating system arranging the signal in lattice shape. |
| 申请公布号 |
JPS52109811(A) |
申请公布日期 |
1977.09.14 |
| 申请号 |
JP19760016319 |
申请日期 |
1976.02.16 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
HORIKAWA IZUMI;SAITOU YOUICHI |
| 分类号 |
H04L27/34;H04B1/00 |
主分类号 |
H04L27/34 |
| 代理机构 |
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