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    • 7. 发明申请
    • APPARATUS FOR GENERATING DIRECTIONAL SOUND AND MOBILE TERMINAL USING THE SAME
    • 用于产生方向声和移动终端的装置
    • US20090154736A1
    • 2009-06-18
    • US12240128
    • 2008-09-29
    • Sung Q LeeJae Woo LeeHye Jin KimSang Kyun LeeKang Ho ParkJong Dae Kim
    • Sung Q LeeJae Woo LeeHye Jin KimSang Kyun LeeKang Ho ParkJong Dae Kim
    • H04R5/02
    • H04R1/323H04R3/12H04R2201/403H04R2499/11
    • Provided are an apparatus for generating directional sound and a mobile terminal using the apparatus. The apparatus includes a signal controller for dividing and generating a reference signal into signals having three or more levels and phases, a first signal processor and a second signal processor for controlling a first signal and a second signal having levels and phases canceling each other among the signals generated from the signal controller, a central signal processor for controlling a signal having the same level and phase as the reference signal among the signals generated from the signal controller, a first speaker array and a second speaker array for converting signals output from the first signal processor and the second signal processor into sound signals and outputting the sound signals, and a central speaker for converting a signal output from the central signal processor into a sound signal and outputting the sound signal, and arranged between the first speaker array and the second speaker array.
    • 提供了一种用于产生定向声音的装置和使用该装置的移动终端。 该装置包括信号控制器,用于将参考信号分成并产生具有三个或多个电平和相位的信号;第一信号处理器和第二信号处理器,用于控制第一信号;以及第二信号, 从信号控制器产生的信号,用于控制与信号控制器产生的信号中具有与基准信号相同的电平和相位的信号的中央信号处理器,第一扬声器阵列和第二扬声器阵列,用于转换从第一 信号处理器和第二信号处理器转换成声音信号并输出​​声音信号;以及中央扬声器,用于将从中央信号处理器输出的信号转换为声音信号并输出​​声音信号,并且布置在第一扬声器阵列与第二扬声器阵列之间 扬声器阵列。
    • 8. 发明授权
    • Interdigitated electrode for electronic device and electronic device using the same
    • 用于电子装置的交叉电极和使用它的电子装置
    • US07520173B2
    • 2009-04-21
    • US11865427
    • 2007-10-01
    • Sung Q LeeHye Jin KimKang Ho ParkJong Dae Kim
    • Sung Q LeeHye Jin KimKang Ho ParkJong Dae Kim
    • G01L9/00
    • G01L9/0022H01L41/047H01L41/0825H01L41/0973H01L41/1138
    • Provided are an interdigitated electrode (IDE) for an electronic device, which includes a plurality of anodes and a plurality of cathodes arranged radially in an alternating fashion for electrical insulation from one another, and an electronic device using the same. The IDE in which the anodes and the cathodes are arranged radially in an alternating fashion is fabricated and applied to the electronic device, so that the entire fabrication process can be simplified compared to that of a typical electronic device in which an upper electrode is different from a lower electrode. Also, circular or polygonal IDEs can be applied to systems that are driven or measure values on their central axes, thereby enhancing the performance and efficiency of the systems. Furthermore, the circular or polygonal IDEs can be employed in systems such as acoustic sensors, pressure sensors, micro-speakers, biological sensors, and acceleration sensors, so that the structure and operation of the systems can be simplified.
    • 提供了一种用于电子设备的叉指电极(IDE),其包括多个阳极和以交替方式径向排列的用于彼此电绝缘的多个阴极和使用该阴极的电子设备。 阳极和阴极以交替的方式径向排列的IDE被制造并施加到电子器件,使得与上电极不同于其中的典型电子器件的整个制造工艺相比,可以简化整个制造工艺 下电极。 此外,圆形或多边形IDE可以应用于驱动或测量其中心轴上的值的系统,从而提高系统的性能和效率。 此外,圆形或多边形IDE可用于诸如声学传感器,压力传感器,微型扬声器,生物传感器和加速度传感器的系统中,从而可以简化系统的结构和操作。