A video projection system

Details A video projection system A video projection system

H - Electricity

04

N

H04N 9/31 (2006.01)

Patent

CA 2406003

A video projection system (50) comprises a rotary disc (31) having light guiding devices (35) extending radially thereof and in a helical configuration circumferentially at the disc (31) and corresponding in number to the number of lines to be scanned on a screen (48) the arrangement being such that, as the disc (31) rotates, a light bundle is directed through successive devices (35) which cause the bundle to be scanned on the screen (48).

L'invention concerne un système (50) de projection vidéo comprenant un disque (31) rotatif pourvu de dispositifs (35) de guidage lumineux se prolongeant radialement et en configuration hélicoïdale de manière périphérique au niveau du disque (31) et correspondant en nombre à celui des lignes à balayer sur un écran (48), l'agencement étant tel que, lorsque le disque (31) tourne, un faisceau lumineux traverse des dispositifs (35) successifs, ce qui provoque le balayage du faisceau sur l'écran (48).

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