Patent ID: 7010143
Filing Date: 2006-03-07
Classification: H04R

Abstract:
1. A structure of a rectangular panel-form loudspeaker comprising: a radiating panel comprising a rectangular laminated composite plate including length b, width a, and an intermediate core layer sandwiched between two fiber-reinforced polymeric layers, wherein the two fiber-reinforced polymeric layers include at least one uni-axial fiber-reinforced laminate, which is configured to produce a uniform sound pressure sensitivity spectrum over a frequency range when producing a flexural vibration; a transducer for exciting said radiating panel to produce the flexural vibration, said transducer comprising a voice coil assembly and a magnet assembly, wherein said voice coil assembly is coupled to a first side of said laminated composite plate at a first specified location; a frame for positioning said laminated composite plate and said magnet assembly; and a suspending unit including a soft material and disposed between peripheral edges of said laminated composite plate and said frame.