G - Physics – 10 – K
Patent
G - Physics
10
K
G10K 11/28 (2006.01) H04R 1/32 (2006.01) H04R 1/34 (2006.01)
Patent
CA 2241056
An acoustic reflector is disclosed, which is formed from the surface (10) generated by an ellipse (12) rotated about 180° about a line (L) passing through one of the focal points (F1) of the ellipse, where this line (L) of rotation intersects the major axis (A) at an acute angle (.alpha.). A transducer (30) placed at the focal point (F1) on the line (L) of revolution will, when energized, generate waves that will be reflected from the surface (10) back through the arc of second focal points of the generating ellipse.
L'invention porte sur un réflecteur acoustique formé sur une surface engendrée par une ellipse (12) tournant de 180 DEG autour d'une ligne (L) passant par l'un des foyers (F1) de l'ellipse et en coupant le grand axe (A) sous un angle ( alpha ). Un transducteur (30) placé au foyer (F1) sur la ligne (L) produira lorsqu'il est alimenté en énergie des ondes qui seront réfléchies par la surface en passant par l'arc du deuxième foyer de l'ellipse (12).
Bang & Olufsen A/s
Lacarrubba Emanuel
Riches Mckenzie & Herbert Llp
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