H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/14 (2006.01) H04B 10/145 (2006.01) H04B 10/18 (2006.01) H04B 10/207 (2006.01) H04J 14/02 (2006.01) H04J 14/08 (2006.01)
Patent
CA 2196447
An optical communication system is described wherein a center (1) and distant terminals (3, 4) are connected to a fiber-optic network (2). Each of the terminals (3, 4) has a light source (5, 7) and a modulator (6, 8) connected thereto for transmitting optical signals to the center (1). Each of the modulators (6, 8) controls the respective light source (5, 7) in such a way that the light source (5, 7) emits light only within successive first time intervals T1L, T2L which are separated by second time intervals T1D, T2D, and that the first time intervals T1L, T2L are shorter than the second time intervals T1D, T2D .
Système de communication optique reliant un centre de communication (1) et des terminaux éloignés (3, 4) à un réseau à fibres optiques (2). Chacun des terminaux (3, 4) comprend une source lumineuse (5, 7) et un modulateur (6, 8) raccordé à celle-ci, pour la transmission de signaux optiques au centre de communication (1). Chacun des modulateurs (6, 8) commande la source lumineuse à laquelle il est raccordé (5, 7) de façon que celle-ci (5, 7) émette de la lumière seulement à des premiers intervalles successifs T1L, T2L qui sont séparés par des seconds intervalles successifs T1D, T2D, et que les premiers intervalles T1L, T2L soient plus courts que les seconds T1D, T2D.
Junginger Bernhard
Selinger Joachim F.
Alcatel
Alcatel Alsthom Compagnie Generale D'electricite
Robic
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