USE OF AMBIENCE LIGHT FOR COPY PROTECTION OF VIDEO CONTENT DISPLAYED ON A SCREEN

The invention provides a method for impeding making a useful copy with an optical recording device of video content displayed on a screen, wherein the method comprises displaying the video content on the screen, illuminating with ambience light of an ambience light source the screen, the ambience li...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MAANDONKS, ARNOLDUS JOHANNES LUCAS MARIA, WILLEMSEN, OSCAR HENDRIKUS, VAN HERPEN, MAARTEN MARINUS JOHANNES WILHELMUS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION
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