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    • 14. 发明申请
    • IMPROVED PARAMETRIC TRANSDUCER WITH GRAPHENE CONDUCTIVE SURFACE
    • 改进的参考传感器与石墨导电表面
    • WO2015054650A1
    • 2015-04-16
    • PCT/US2014/060158
    • 2014-10-10
    • TURTLE BEACH CORPORATION
    • NORRIS, Elwood, Grant
    • H04R23/00
    • H04R23/00H04R2217/03
    • An ultrasonic audio speaker includes an emitter and a driver. The emitter can include a first layer having a conductive surface; a second layer having a conductive surface; and an insulating layer disposed between the first and second conductive surfaces, wherein the first and second layers are disposed in touching relation to the insulating layer. The driver circuit can include two inputs configured to be coupled to receive an audio modulated ultrasonic signal from an amplifier and two outputs, wherein a first output is coupled to the conductive surface of the first layer and the second output is coupled to the conductive surface of the second layer. Either one or both of the conductive surfaces of the first and second layers may be graphene.
    • 超音波扬声器包括发射器和驱动器。 发射极可以包括具有导电表面的第一层; 具有导电表面的第二层; 以及设置在所述第一和第二导电表面之间的绝缘层,其中所述第一层和所述第二层以与所述绝缘层接触的方式设置。 驱动器电路可以包括被配置为被耦合以从放大器接收音频调制的超声信号和两个输出的两个输入,其中第一输出耦合到第一层的导电表面,并且第二输出耦合到 第二层。 第一和第二层的一个或两个导电表面可以是石墨烯。