| 摘要 |
<p>An optical fibre (3) which radiates power along its length extends in an overhead path in an office or control room. Information coupled into one end of the fibre from a main frame computer (1), for example, is radiated into free space within the office or control room, and can be received by mobile (2,2<1>) and other terminals (4,5,6) therewithin via detectors mounted on the terminals, provided the terminals are within range of the fibre. Non-passive terminals (4,5,6) may communicate with one another, passive terminals (2,2<1>) or the main frame computer (1) via the radiating fibre (3) if they are connected by optical links and bi-directional couplers to the radiating fibre (3). Various suitable designs of leaky optical fibre (3) are described.</p> |
