Display screens incorporating loudspeakers

Details Display screens incorporating loudspeakers Display screens incorporating loudspeakers

H - Electricity

04

R

H04R 7/06 (2006.01) G03B 21/56 (2006.01) G03B 31/00 (2006.01) H04R 5/02 (2006.01) H04R 7/04 (2006.01)

Patent

CA 2234944

A display screen (32), e.g. a projection screen comprising a panel having a light reflective surface, characterised in that the screen is a distributed mode acoustic radiator loudspeaker having a transducer (9) mounted wholly and exclusively thereon to vibrate the radiator to cause it to resonate to provide an acoustic output.

L'invention concerne un écran de présentation (32), par exemple un écran de projection qui comporte un panneau dont la surface réfléchit la lumière, caractérisé en ce que l'écran est un haut-parleur à élément radiant acoustique fonctionnant en mode réparti équipé d'un transducteur (9) monté totalement et exclusivement sur ce haut-parleur pour faire vibrer l'élément radiant et provoquer ainsi sa résonance pour fournir une puissance de sortie acoustique.

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