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1. MYPI 98002992 - PANEL-FORM LOUDSPEAKERS

Office Malaisie
Numéro de la demande PI 98002992
Date de la demande 01.07.1998
Numéro de publication PI 98002992
Date de publication 03.01.1999
Type de publication A
Déposants NEW TRANSDUCERS LIMITED
Inventeurs DENIS MORECROFT
NEIL HARRIS
Mandataires MARY CARMEL SYBLE LOUIS
Données relatives à la priorité 9714050.3 03.07.1997 GB
Titre
(EN) PANEL-FORM LOUDSPEAKERS
Abrégé
(EN)
A LOUDSPEAKER COMPRISES A PANEL MEMBER ( 11, 21, 31, 41, 61, 71, 81, 91 ) AS RESONANT ACOUSTIC RADIATOR RELYING ON BENDING WAVE ACTION AND A DRIVER ( 12, 22, 32, 42, 62, 72, 82, 92, ) COUPLED TO THE PANEL MEMBER TO CAUSE BENDING WAVES THEREIN. THE PANEL MEMBER HAS ITS MASS AND/OR BENDING CAPABILITY OF THE PANEL MEMBER LOCALLY ALTERED OR OTHERWISE DIFFERENT, PARTICULARLY LOCALLY OF THE DRIVER AS COUPLED TO THE PANEL MEMBER. LOCAL HOLES ( 16, 26, 36, 46, ) , AFFIXED MASS ( 66 ) OR AFFIXED DAMPING MATERIAL ( 76 ) ARE EFFECTIVE TO REDUCE HIGH FREQUENCY DUE TO DRUMMING EFFECTS AT THE DRIVER COUPLING 17, 37, 47, 67, 77, 87, ) .@@(FIG. 1A)