Method and apparatus for controlling light

G - Physics – 02 – B

Patent

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Details

G02B 26/00 (2006.01) B60Q 1/00 (2006.01) F21V 8/00 (2006.01) G02B 6/26 (2006.01) G02B 6/28 (2006.01) G02B 6/35 (2006.01) G02B 6/42 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2251730

The invention relates to a method and an apparatus for controlling light from a light source (1) to a lighting location. A preferred embodiment of the invention comprises precisely one central light source (1) which is connected to a plurality of light guides (4) via a control unit (3), each of said light guides being terminated at a remote point. The control unit comprises a plurality of electrically controlled microshutters (14, 15), each of which has at least two states, an open state and a closed state, from which the light is conducted further on to the light location or locations via optical guides in the open state of the diaphragms. The light may thus be distributed by means of the control unit (3) to the individual light guides (4) in response to control signals supplied to the control unit.

L'invention a trait à un procédé ainsi qu'à l'appareil correspondant permettant d'agir sur une lumière depuis une source lumineuse (1) jusqu'à un emplacement d'éclairage. Un mode de réalisation préféré de cette invention comporte précisément une source lumineuse centrale (1) connectée à plusieurs guides de lumière (4), par le biais d'une unité de commande (3), chacun de ces guides prenant fin en un point situé à distance. L'unité de commande comporte plusieurs micro-obturateurs, commandés électriquement (14, 15) et ayant chacun au moins deux états, l'un fermé et l'autre ouvert, depuis lesquels la lumière est ensuite amenée vers l'emplacement ou les emplacements d'éclairage par le canal de guides optiques lorsque les diaphragmes sont ouverts. La lumière peut, de la sorte, être dirigée par l'unité de commande (3) vers les guides individuels de lumière (4) en fonction de signaux de commande qui lui sont envoyés.

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