| 发明名称 |
SYSTEM FOR IDENTIFYING AND CORRECTING THE POLARITY OF A DATA SIGNAL |
| 摘要 |
<p>A very low power asymmetrical polarity marking signal which may be the sum of a cosine wave and its coherent second harmonic is added to a symmetrical message signal before transmission. At the receiver the polarity information may be recovered from the average dc value of the positive and negative peaks of the polarity signal or from the coincidence of peaks of the fundamental and second harmonic components.</p> |
| 申请公布号 |
CA1120119(A) |
申请公布日期 |
1982.03.16 |
| 申请号 |
CA19780318656 |
申请日期 |
1978.12.27 |
| 申请人 |
WESTERN ELECTRIC COMPANY, INCORPORATED |
发明人 |
SHEETS, LAURENCE L. |
| 分类号 |
H04L1/00;H04L25/02;H04L25/06;(IPC1-7):H04L1/00 |
主分类号 |
H04L1/00 |
| 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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