Invention Grant
US08259965B2 Loudspeaker device with sound enhancing structure 失效
具有声音增强结构的扬声器

Loudspeaker device with sound enhancing structure
Abstract:
A loudspeaker device comprising: a loudspeaker and a reflecting member positioned opposite to the loudspeaker, the loudspeaker comprising an electromagnet actuator, a dish-like frame and a vibrating drum, the electromagnetic actuator being attached on one side of the frame, the vibrating drum adhered to an inner side of the dish-like frame, the electromagnetic actuator being configured for driving the vibrating drum to vibrate, the vibrating drum being configured for generating sound of different frequencies and intensities; and the reflecting member shaped in a bowl configuration, comprising a concave shaped reflecting surface opposite to the vibrating drum; wherein the area of the reflecting surface is larger than an area of the vibrating drum.
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