发明名称 |
SIGNALLING SYSTEM |
摘要 |
An optical communications system is provided comprising first and second signalling devices in which a duplex communications link between the signalling devices can be established. The first signalling device includes a retro-reflector and the second signalling device includes at least one light source for directing light towards the retro-reflector. Half-duplex embodiments and full-duplex embodiments are described. A wave division multiplex retro-reflecting communication system is also described.
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申请公布号 |
CA2378722(A1) |
申请公布日期 |
2001.01.18 |
申请号 |
CA20002378722 |
申请日期 |
2000.07.10 |
申请人 |
QUANTUMBEAM LIMITED |
发明人 |
MORRISON, EUAN;GREEN, ALAN EDWARD |
分类号 |
H04B10/04;H04B10/06;H04B10/10;H04B10/105;H04B10/142;H04B10/152;H04B10/207;H04B10/22;H04B10/26;(IPC1-7):H04B10/26 |
主分类号 |
H04B10/04 |
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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