H - Electricity
04
R
H04R 1/30 (2006.01) H04R 7/12 (2006.01)
Patent
CA 2599713
A loudspeaker comprises a horn waveguide having a waveguide surface, and a transducer located in, or adjacent to, a throat of the horn waveguide. The transducer has a substantially rigid convex dome-shaped acoustically radiating surface. A horn angle subtended between a longitudinal axis of the horn waveguide and the waveguide surface at the throat of the horn, is in the range 20 to 60 degrees. An intersection angle subtended between a plane tangential to the dome shape of the acoustically radiating surface and a plane tangential to the waveguide surface at a point where the dome shape or an extrapolation of the dome shape meets the waveguide surface or an extrapolation of the waveguide surface, is in the range 85 to 110 degrees.
Haut-parleur comportant un guide d~ondes à pavillon possédant une surface de guide d~ondes, et un émetteur/récepteur situé dans, ou à côté de, une gorge du guide d~ondes à pavillon. L~émetteur/récepteur a une surface de rayonnement acoustique en forme de dôme convexe sensiblement rigide. Un angle de pavillon, sous-tendu entre un axe longitudinal du guide d~ondes à pavillon et la surface de guide d~ondes à la gorge du pavillon, se situe entre 20 et 60°. Un angle d~intersection, sous-tendu entre un plan tangentiel à la forme de dôme de la surface de rayonnement acoustique et un plan tangentiel à la surface de guide d~ondes à un point où la forme de dôme, ou une extrapolation de la forme de dôme, rencontre la surface de guide d~ondes, ou une extrapolation de la surface de guide d~ondes, se situe entre 85 et 110°.
Kh Technology Corporation
Ridout & Maybee Llp
LandOfFree
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