Audio-visual display system

Details Audio-visual display system Audio-visual display system

G - Physics

09

F

179/2.5

G09F 27/00 (2006.01) A63J 17/00 (2006.01) F21P 3/00 (1980.01)

Patent

CA 1156934

ABSTRACT AUDIO-VISUAL DISPLAY SYSTEM An audio-visual display system has a number of channels each giving an electrical output in response to a selected audio-frequency input. Different lamps are connected to the outputs of the channels and project coloured images onto a screen. To provide an enhanced visual effect the images are projected across the surface of a concave screen, preferably from the screen periphery. Some lamps incorporate non-laminar light-transmitting elements which give patterned images by refraction or from striations in the element, preferably in the middle to higher frequency range. The highest and lowest frequencies are preferably in the central region of the display. The lamps are preferably arranged in rows at different distances from the screen.

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