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    • 15. 发明申请
    • Speaker
    • 扬声器
    • US20070071273A1
    • 2007-03-29
    • US11529655
    • 2006-09-28
    • Hideo KitazawaAkinori UshikoshiKenji Yokoyama
    • Hideo KitazawaAkinori UshikoshiKenji Yokoyama
    • H04R9/06
    • H04R9/025
    • A speaker may include a center pole, a voice coil bobbin having a pipe body, and at least one or more electrodes which are disposed on the pipe body to detect an electrostatic capacity formed between the electrode and a side circumferential face of the center pole. The pipe body is comprised of a flexible board on which the electrode is formed. The flexible board may include a strip-shaped electric line drawing-out part which is formed with a film being extended from an edge portion of the pipe body, and the electric line drawing-out part is structured of the film on which an output line connected to a movable electrode and a grounded line connected to another electrode are printed.
    • 扬声器可以包括中心极,具有管体的音圈筒管,以及设置在管体上的至少一个或多个电极,用于检测形成在电极和中心极的侧周面之间的静电电容。 管体由形成有电极的柔性基板构成。 柔性基板可以包括带状的电线引出部,其形成有从管体的边缘部延伸的膜,电线引出部由薄膜构成,输出线 连接到可动电极和连接到另一电极的接地线被打印。
    • 17. 发明授权
    • Power conversion apparatus and dead time generator
    • 电力转换装置和死区发电机
    • US07019986B2
    • 2006-03-28
    • US10925141
    • 2004-08-25
    • Kenji YokoyamaYasuo YamadaHiroshi Ogawa
    • Kenji YokoyamaYasuo YamadaHiroshi Ogawa
    • H02M3/335
    • H02M1/38H02M3/335
    • A small-sized, highly efficient power conversion apparatus is provided which is capable of stabilizing its output and which can be easily applied to parallel driving. The power conversion apparatus turns on and off paired switching elements, lets an alternating current flow through a primary winding of a transformer, rectifies and smoothes an AC voltage thus induced across a secondary winding, thereby obtaining a DC output. On the basis of a rectangular wave signal having a duty ratio of 50% formed by a rectangular wave oscillator means, a dead time generator generates complementary on/off control signals having a dead time and supplies the on/off control signals to the paired switching elements.
    • 提供了一种小型,高效率的电力转换装置,其能够稳定其输出并且可以容易地应用于平行驱动。 电力转换装置打开和关闭成对的开关元件,使得交流电流流过变压器的初级绕组,从而整流和平滑跨越次级绕组的AC电压,从而获得DC输出。 基于由矩形波振荡器装置形成的占空比为50%的矩形波信号,死区时间发生器产生具有死区时间的互补开/关控制信号,并将开/关控制信号提供给成对开关 元素。