发明名称 |
COMMUNICATION METHOD AND APPARATUS WITH TRANSMISSION OF A SECOND SIGNAL DURING ABSENCE OF A FIRST ONE |
摘要 |
A network station (4) receives a principal signal (S) and data (D). When the principal signal (S) is present or contains information, it is transmitted t o a receiving station (6) through a communication channel. When the principal signal (S) is absent or does not have a significant information content, the network station (4) transmits the data (D) through the same communication channel in a format such that the data (D) is received and output by a furth er receiving station (8).
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申请公布号 |
CA2203523(C) |
申请公布日期 |
2001.10.16 |
申请号 |
CA19952203523 |
申请日期 |
1995.10.27 |
申请人 |
INTERNATIONAL MOBILE SATELLITE ORGANIZATION |
发明人 |
FELDMAN, HOWARD RAY |
分类号 |
H04N1/32;H04B7/15;H04B7/185;H04B7/26;H04J3/17;H04M3/00;(IPC1-7):H04J3/17 |
主分类号 |
H04N1/32 |
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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