| 发明名称 |
Improved communications cable. |
| 摘要 |
<p>A communications cable based on optical fibres comprises a core 2 with external helical channels 13. The fibres 6 in the channels are accessible through removable parts 15 of an outer sheath 4.</p> |
| 申请公布号 |
EP0020036(A1) |
申请公布日期 |
1980.12.10 |
| 申请号 |
EP19800301481 |
申请日期 |
1980.05.07 |
| 申请人 |
THE POST OFFICE |
发明人 |
WHITEHEAD, GRAHAM KEITH;BATES, ROGER JOHN |
| 分类号 |
G02B6/44;(IPC1-7):02B5/16;02G3/04 |
主分类号 |
G02B6/44 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
