Patent ID: 6868202

Claim:
Device for optical communication between electronic modules comprising an optically conducting rod ( 1 ), having first and second ends, designed to be optically coupled, by lateral coupling, to lateral electronic modules ( 3 ) arranged laterally along the rod, and comprising lateral reflecting means ( 9 ) arranged over a longitudinal part of the external surface of the rod ( 1 ) opposite the lateral modules ( 3 ), device characterized in that the lateral modules ( 3 ) are slave modules designed to communicate with a master module ( 2 ) optically coupled, axially, to the first end of the rod, the rod ( 1 ) comprising a useful part equipped with the lateral reflecting means ( 9 ) forming a substantially continuous reflecting zone, the rod, which has a cross-section the surface whereof is greater than 15 mm 2 , and the lateral reflecting means defining a continuous longitudinal lateral coupling zone ( 8 ) along the useful part of the rod so as to enable bi-directional optical coupling of the master module ( 2 ) with a lateral module ( 3 ) arranged at any location along the useful part of the rod, the lateral coupling zone ( 8 ) extending over at least one centimeter outside the rod.