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    • 26. 发明授权
    • Bending wave panel loudspeaker
    • 弯曲波面板扬声器
    • US07639826B1
    • 2009-12-29
    • US10584490
    • 2005-01-06
    • Henry AzimaNeil Geoffrey HarrisDenis MorecroftMark StarnesMartin CollomsPaul Burton
    • Henry AzimaNeil Geoffrey HarrisDenis MorecroftMark StarnesMartin CollomsPaul Burton
    • H04R25/00
    • H04R7/045H04R2440/01H04R2440/05H04R2499/15
    • From one aspect, the invention is a method of making a bending wave panel loudspeaker, comprising rigidly coupling a lever to a panel edge or marginal portion such that the lever extends at an angle to the plane of the panel, coupling a bending wave exciter to the lever whereby bending wave energy is coupled to the panel to produce an acoustic output when the exciter is fed with a signal and supporting the panel on a suspension positioned outboard of the lever. From another aspect the invention is a bending wave panel-form loudspeaker having a lever rigidly coupled to a marginal portion or edge of the panel, a vibration exciter coupled to the lever to apply bending wave energy to the panel to produce an acoustic output and a panel suspension positioned outboard of the lever. From a further aspect, the invention is a small electronic device, e.g. a mobile telephone or PDA, having a display screen, and a transparent protective cover over the display screen, wherein the transparent protective cover is a loudspeaker as described above.
    • 从一方面,本发明是一种制造弯曲波片扬声器的方法,包括将杆刚性地连接到面板边缘或边缘部分,使得杆与面板的平面成一定角度,将弯曲波激励器耦合到 杠杆,由此当激励器被馈送信号并将面板支撑在位于杠杆外侧的悬架上时,弯曲波能耦合到面板以产生声输出。 从另一方面,本发明是一种弯曲波形面板形式的扬声器,其具有刚性地耦合到面板的边缘部分或边缘的杠杆;耦合到杠杆的振动激励器,以将弯曲波能量施加到面板以产生声输出和 定位在杠杆外侧的面板悬挂。 从另一方面,本发明是一种小型电子设备,例如, 具有显示屏的移动电话或PDA,以及显示屏上的透明保护盖,其中透明保护盖是如上所述的扬声器。