| 摘要 |
This device comprises, on the one hand, a central control block 1 which is equipped with a matrix of light emitting elements 6 and comprises a current source 4 and a switching circuit 7 allowing or interrupting the separate or simultaneous supply to these elements 6 and, on the other hand, situated at a distance from this central control block 7, a set of points 3 which are to form the subject of a light signal, these various points 3 being connected by light conductors 16 to at least some of the elements 6. <IMAGE>
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