ANTI-SPECKLE TRANSMISSIVE DIFFUSER SCREEN

The invention relates to a transmissive diffuser screen comprising a transparent support (50), a first face of the support being covered with a first diffusive micro-structure (52) and a second face of the support being covered with an optical focusing structure (54) of which the primary focal point...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROSSINI UMBERTO, GETIN STÉPHANE
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	The invention relates to a transmissive diffuser screen comprising a transparent support (50), a first face of the support being covered with a first diffusive micro-structure (52) and a second face of the support being covered with an optical focusing structure (54) of which the primary focal point is disposed at a lighting source (36) of the screen and of which the surface is covered with a second diffusive micro-structure (56).