发明名称 |
MULTI-CORE OPTICAL COMMUNICATIONS FIBRE |
摘要 |
Methods and apparatus are disclosed for providing a multipath optical communications system within a single fiber. One embodiment comprises a concentric multi-core optical fiber having an inner core for transmitting information and an outer core for transmitting a security signal. Attempted access to the inner core causes a decrease in the security signal intensity alerting the operator to the attempted intrusion. |
申请公布号 |
ZA7603885(B) |
申请公布日期 |
1977.05.25 |
申请号 |
ZA19760003885 |
申请日期 |
1976.06.30 |
申请人 |
ISEC |
发明人 |
GOELL J |
分类号 |
H04B10/00;C03C13/04;G02B6/00;G02B6/02;G02B6/036;G02B6/44;H04B10/12;H04B10/13;H04B10/135;H04B10/14 |
主分类号 |
H04B10/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|