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    • 1. 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。
    • 5. 发明授权
    • Acoustic device
    • 声学装置
    • US06282298B1
    • 2001-08-28
    • US09389492
    • 1999-09-03
    • Henry AzimaMartin CollomsNeil Harris
    • Henry AzimaMartin CollomsNeil Harris
    • H04R2500
    • H04R5/02G07F9/02H04R1/24H04R7/045H04R2440/07H04R2499/15
    • Acoustic devices have members extending transversely of thickness and capable of sustaining bending waves causing consequential acoustic action by reason of areal distribution of resonant modes of natural bending wave vibration consonant with required achievable acoustic action of said member over a desired operative acoustic frequency range. Areal distribution of stiffness including variation(s) therein is used to get desired locations for bending wave transducers and/or good resonant mode acoustic action from inherently unfavorable shapes of members. Members with combined pistonic action drive and bending wave excitement at centers of mass and geometry are featured.
    • 声学装置具有横向厚度延伸的构件,并且能够承受由于所述构件在期望的操作声学频率范围内所需的可实现的声音作用而产生的自然弯曲波振动的共振模式的面分布导致相应声音作用的弯曲波。 使用包括其变化在内的刚度的面积分布来获得弯曲波传感器的期望位置和/或从固有不利的构件形状的良好谐振模式声学作用。 具有组合活塞驱动和弯曲波激发在质量和几何中心的成员的特征。