| 发明名称 |
DIGITAL EKOUNDERTRUCKARE FOR ETT MODEM FOR DATATRANSMISSION GENOM MODULERING AV EN BERVAG |
| 摘要 |
Digital echo canceler for a modem for data transmission by means of phase and, possibly, also amplitude modulation of a carrier, the ratio between carrier frequency fo and modulation rate 1/T having the form P/Q, P and Q being integers. |
| 申请公布号 |
SE7800390(A) |
申请公布日期 |
1978.07.18 |
| 申请号 |
SE19780000390 |
申请日期 |
1978.01.13 |
| 申请人 |
* TELECOMMUNICATIONS RADIOELECTRIQUES ET TELEPHONIQUES |
发明人 |
J-P * BAUDOUX;C D * MACCHI |
| 分类号 |
H04B3/20;H04B3/23;H04L5/14;(IPC1-7):H04B3/20 |
主分类号 |
H04B3/20 |
| 代理机构 |
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代理人 |
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