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Method for determining the exact position of a monitored body | Procédé de détermination de la valeur précise du positionnement d'un corps devant être surveillé | Verfahren zur Ermittelung des Feinpositionswertes eines zu überwachenden Körpers

Patentnummer:EP2295939B1
IPC Hauptklasse:G01D0005244
Anmelder:Avago Technologies General IP (Singapore) Pte. Ltd. (0)
Singapur/Singapore, SG
Erfinder:Mehnert, Walter (0)
Grillparzerstrasse 6, 85521 Ottobrunn, DE
Theil, Thomas (0)
Alte Traubinger Str. 5, 82340 Feldafing, DE
Anmeldung:27.05.10
Offenlegung:30.05.09
Patenterteilung:25.10.17

Abstract / Hauptanspruch
A transreflector and backlight system (1) comprising a backlight (BL) including a hollow light emitting panel with a plurality of light sources (50), and a transreflector (4) comprising a substrate (7) in close proximity to the backlight (BL). One side of the substrate has at least one light reflective surface (9) and a pattern of light transmissive surfaces (10). Light emitted from the backlight (BL) striking the light transmissive surfaces (10) passes through the substrate (7) and is redirected by at least one of the optical deformities (18) on the other side of the substrate (7). The light sources (50) may be light emitting diodes emitting different colors that mix to produce a desired light color.

EP2295939B1


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