H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 7/06 (2006.01) G10K 15/08 (2006.01) H04R 7/04 (2006.01)
Patent
CA 2342764
A panel form acoustic member capable of supporting bending wave vibration has the bending wave velocity varied in the region of coincidence to provide a range of coincidence frequencies, for causing the acoustic coupling of the bending waves in the panel to occur over a broader range of angles or for making the coupling more uniform. The member may be incorporated in a loudspeaker having a panel member (1) and an exciter (3) fixed to the panel member to excite bending waves in the loudspeaker to cause an acoustic output.
L'invention concerne un élément acoustique en forme de panneau pouvant supporter les vibrations d'ondes de flexion dont la célérité varie au niveau de la région de coïncidence pour créer une gamme de fréquences de coïncidence, ce qui permet de provoquer le couplage acoustique des ondes de flexion dans le panneau sur une plage angulaire plus large ou de rendre le couplage plus uniforme. Ledit élément peut être intégré dans un haut-parleur comportant un panneau (1) et un excitateur (3) fixé au panneau pour exciter les ondes de flexion dans le haut-parleur en vue de la production d'une sortie acoustique.
New Transducers Limited
Ridout & Maybee Llp
LandOfFree
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