| 摘要 |
A control system suitable for incorporating in control panels and effecting remote control of apparatus includes a light guide bus system including input and output light guides and optical switches carried on a removable optical bridge member bridging in use the input and output light guides so that the switches may be selectively connected into the bus system. Each switch is of a known optically encoding type which on operation of that switch passes its particular control code into the light guide bus system for subsequent decoding and appropriate control of the apparatus.
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