Patent ID: 7174025
Filing Date: 2007-02-06
Classification: H04R

Abstract:
1. A loudspeaker assembly comprising a visual display screen, a panel-form member positioned adjacent to the display screen and at least a portion of which is transparent and through which the display screen is visible, and at least one vibration exciting transducer mounted to an edge or marginal portion of the panel-form member to cause the panel-form member to act as an acoustic radiator, wherein the panel-form member is adapted to be resonant when excited at audio frequencies to undergo bending wave vibration, wherein the vibration exciting transducer is adapted to apply bending wave energy to the panel-form member to cause it to undergo bending wave vibration and resonate to act as an acoustic radiator when resonating, and wherein one or more marginal portions of the panel-form member are clamped or restrained.