| 摘要 |
<p>1282941 Light guides PLESSEY CO Ltd 22 Oct 1970 [2 Dec 1969] 58675/69 Heading G2J A light guide comprises a metallic strip 2 on which has been deposited a thin film of transparent material 6 flanked by films 4, 8 of a greater refractive index than the film 6. A number of the light guides may be joined by repeater stations which amplify and pass on the signal received, the power to operate the stations being transmitted along the metallic strip.</p> |
