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    • 91. 发明授权
    • Vibration generator, vibration generation device, and electronic equipment and communication device provided with vibration generation device
    • 振动发生器,振动发生装置,以及具有振动发生装置的电子设备及通信装置
    • US08716916B2
    • 2014-05-06
    • US13881558
    • 2012-06-07
    • Hiroshi NakatsukaHiroki TakeuchiKeiji Onishi
    • Hiroshi NakatsukaHiroki TakeuchiKeiji Onishi
    • H02K5/00H02N1/00H02N1/06H02N1/08
    • H02N1/004
    • A vibration power generator including a first substrate; first electrodes disposed over one surface of the first substrate; a second substrate spaced from the first substrate and opposed to the one surface of the first substrate; and second electrodes disposed over one surface of the second substrate so as to be opposed to the first electrodes, wherein one of the first and second electrodes includes a film holding a charge; one of the first and second substrates is a vibratory substrate; and an overlapped area between the first and second electrodes becomes minimum and then maximum, or becomes maximum and minimum, and an electrostatic capacity Cp formed between the first and second electrodes when the overlapped area becomes maximum changes, and the change of Cp comprises an increase of Cp, while the vibratory substrate is displaced from the vibration center to the vibration end.
    • 一种振动发电机,包括:第一基板; 设置在第一基板的一个表面上的第一电极; 与所述第一基板间隔开并与所述第一基板的所述一个表面相对的第二基板; 以及第二电极,设置在所述第二基板的一个表面上以与所述第一电极相对,其中所述第一和第二电极中的一个包括保持电荷的膜; 第一和第二基板之一是振动基板; 并且第一和第二电极之间的重叠区域变得最小,然后最大,或变为最大和最小,并且当重叠区域变为最大时,在第一和第二电极之间形成的静电电容Cp改变,并且Cp的变化包括增加 的振动基板从振动中心移动到振动端。
    • 93. 发明授权
    • Oscillator with MEMS resonator
    • 具有MEMS谐振器的振荡器
    • US08570112B2
    • 2013-10-29
    • US13702396
    • 2012-06-08
    • Takehiko YamakawaTomohiro IwasakiKunihiko NakamuraKeiji Onishi
    • Takehiko YamakawaTomohiro IwasakiKunihiko NakamuraKeiji Onishi
    • H03B5/30
    • H03B5/30H03L1/02H03L1/027H03L5/00H03L7/183
    • A MEMS oscillator having a feedback-type oscillation circuit including a MEMS resonator and an amplifier, a voltage control unit operable to control a bias voltage applied to an oscillating member of the MEMS resonator, and an auto gain control unit which receives an output from the amplifier and, based on a level of the output, to output an amplitude control signal for controlling a gain of the amplifier to the amplifier such that the level of the output from the amplifier comes to be a predetermined level, wherein the voltage control unit controls the bias voltage applied to the oscillating member based on an operating temperature of the MEMS resonator such that a peak gain of the MEMS resonator comes to have a predetermined value regardless of the operating temperature, and the voltage control unit derives the operating temperature of the MEMS resonator by monitoring the amplitude control signal.
    • 具有包括MEMS谐振器和放大器的反馈型振荡电路的MEMS振荡器,可操作以控制施加到MEMS谐振器的振荡部件的偏置电压的电压控制单元和接收来自所述MEMS谐振器的输出的自动增益控制单元 放大器,并且基于输出的电平,输出用于控制放大器对放大器的增益的幅度控制信号,使得放大器的输出电平达到预定电平,其中电压控制单元控制 基于MEMS谐振器的工作温度施加到振荡构件的偏置电压,使得MEMS谐振器的峰值增益与工作温度无关地具有预定值,并且电压控制单元导出MEMS的工作温度 谐振器通过监控振幅控制信号。
    • 94. 发明授权
    • Vibration power generator, vibration power generation apparatus, and electric device and communication device with vibration power generation apparatus mounted thereon
    • 振动发电机,振动发电装置,安装有振动发电装置的电气装置及通信装置
    • US08564170B2
    • 2013-10-22
    • US13806890
    • 2012-05-31
    • Hiroki TakeuchiHiroshi NakatsukaKeiji Onishi
    • Hiroki TakeuchiHiroshi NakatsukaKeiji Onishi
    • H02N1/00
    • H02N1/08
    • A power generator comprises a first substrate 102, a second substrate 103 opposed to the first substrate, first electrodes 104L and 104R and a first electrode 106 which are formed on the first substrate, second electrodes 105L and 105R and a second electrode 107 which are formed on the second substrate, wherein electric charge of the same polarity is held by the first electrode and the second electrode, and the first substrate vibrates such that an angle formed between a segment connecting a centroid of the first electrode 104L (104R) and a centroid of the second electrode 105L (105R), and a half line extending from the centroid of the second electrode 105L (105R) toward the first electrode 104L (104R) in a stationary state in parallel to the main surface of the second substrate does not exceed 55 degrees while the first substrate 102 is stationary and vibrates.
    • 发电机包括第一基板102,与第一基板相对的第二基板103,第一电极104L和104R以及形成在第一基板上的第一电极106,形成在第一基板102上的第二电极105L和105R以及第二电极107 在第二基板上,其中由第一电极和第二电极保持相同极性的电荷,并且第一基板振动,使得在连接第一电极104L(104R)的质心的部分与质心之间形成的角度 并且从第二电极105L(105R)的中心向第一电极104L(104R)延伸的第二电极105L(105R)的平行于第二基板的主表面的固定状态的半线不超过 55度,同时第一基底102是静止的并振动。
    • 95. 发明申请
    • VIBRATION POWER GENERATOR, VIBRATION POWER GENERATING DEVICE, AND ELECTRONIC DEVICE AND COMMUNICATION DEVICE HAVING VIBRATION POWER GENERATING DEVICE MOUNTED THEREON
    • 振动发电机,振动发电装置和电子装置以及具有安装在其上的振动发电装置的通信装置
    • US20120306313A1
    • 2012-12-06
    • US13517392
    • 2010-12-22
    • Hiroshi NakatsukaKeiji Onishi
    • Hiroshi NakatsukaKeiji Onishi
    • H02N1/08
    • H02N1/08
    • An object of the present invention is to provide a vibration power generator in which the wiring from the movably held substrate can be omitted or simplified. A vibration power generator includes a first substrate, a first electrode which is disposed on a lower surface of the first substrate and includes a film retaining electric charges, a second substrate which is disposed away from the first substrate and opposed to the lower surface of the first substrate, a second electrode disposed on an upper surface of the second substrate so as to be opposed to the first electrode, third electrode which is disposed on the upper surface of the first substrate and includes a film retaining the electric charges, a third substrate which is disposed away from the first substrate and opposed to the upper surface of the first substrate, and a fourth electrode which is disposed on a lower surface of the third substrate so as to be opposed to the third electrodes, wherein the film retaining the electric charges of the first electrodes retains electric charges has a polarity different from a polarity of the film retaining the electric charges of the third electrode, the vibration power generator further includes a restoring force generation member for giving a restoring force, in which the first substrate is held at a predetermined position when an external force is not exerted to the first substrate, and the first substrate is restored to the predetermined position when the external force is exerted to the first substrate and thus the first substrate moves with respect to the second substrate.
    • 本发明的目的是提供一种能够省略或简化来自可移动保持的基板的布线的振动发生器。 一种振动发生器,包括:第一基板,设置在第一基板的下表面上并包括保持电荷的膜的第一电极;第二基板,其远离第一基板设置并与第一基板的下表面相对; 第一基板,设置在与第一电极相对的第二基板的上表面上的第二电极,设置在第一基板的上表面上并包括保持电荷的膜的第三电极,第三基板 远离第一基板并且与第一基板的上表面相对设置的第四电极和设置在第三基板的下表面上以与第三电极相对的第四电极,其中保持电 第一电极的电荷保持电荷具有与保持第三电极的电荷的膜的极性不同的极性 所述振动发电机还包括恢复力产生部件,所述恢复力产生部件用于产生恢复力,当不施加外力而将所述第一基板保持在预定位置时,所述第一基板恢复到所述第一基板 当外力施加到第一基板上并因此第一基板相对于第二基板移动时的预定位置。
    • 98. 发明授权
    • Thin film elastic wave resonator
    • 薄膜弹性波谐振器
    • US07667558B2
    • 2010-02-23
    • US11791027
    • 2005-12-06
    • Hiroshi NakatsukaTomohiro IwasakiKeiji Onishi
    • Hiroshi NakatsukaTomohiro IwasakiKeiji Onishi
    • H03H9/13H03H9/15H03H9/54
    • H03H9/564H03H9/0095H03H9/02118H03H9/132H03H9/566
    • An upper electrode (50) includes a first electrode (51) formed in a circle and a second electrode (52) formed in an annulus outside the first electrode (51). The first electrode (51) and the second electrode (52) are electrically separated from each other via an insulating region. A lower electrode (30) includes a third electrode (31) formed in a circle and a fourth electrode (32) formed in an annulus outside of the third electrode (31). Similarly, the third electrode (31) and the fourth electrode (32) are electrically separated from each other via an insulating region. Further, the third electrode (31)is provided so as to face the first electrode (51) via the piezoelectric body (40) and the fourth electrode (32) is provided to face the second electrode (52) via the piezoelectric body (40), respectively.
    • 上电极(50)包括形成为圆形的第一电极(51)和形成在第一电极(51)外部的环形空间中的第二电极(52)。 第一电极(51)和第二电极(52)经由绝缘区域彼此电分离。 下电极(30)包括形成为圆形的第三电极(31)和形成在第三电极(31)外侧的环形空间中的第四电极(32)。 类似地,第三电极(31)和第四电极(32)经由绝缘区域彼此电分离。 此外,第三电极(31)经由压电体(40)设置成面向第一电极(51),并且第四电极(32)经由压电体(40)设置为与第二电极(52)相对 ), 分别。
    • 100. 发明授权
    • Coupled FBAR filter
    • 耦合FBAR滤波器
    • US07414495B2
    • 2008-08-19
    • US11453070
    • 2006-06-15
    • Tomohiro IwasakiHiroshi NakatsukaKeiji OnishiHiroyuki Nakamura
    • Tomohiro IwasakiHiroshi NakatsukaKeiji OnishiHiroyuki Nakamura
    • H03H9/00
    • H03H9/0095H03H9/0004H03H9/0207H03H9/02157H03H9/564
    • In a balanced/unbalanced type coupled FBAR filter 100, an area size of a first lower electrode 102 is generally equal to a total area size of second and third lower electrodes 104 and 106 and an area for isolating the second and third lower electrodes 104 and 106. An area size of a first upper electrode 103 is generally equal to a total area size of second and third upper electrodes 105 and 107 and an area for isolating the second and third upper electrodes 105 and 107. The third lower electrode 106 and the second upper electrode 105 are located to face each other, and the third upper electrode 107 and the second lower electrode 104 are located to face each other. Apart of the second lower electrode 104 and a part of the second upper electrode 105 are located to face each other.
    • 在平衡/不平衡型耦合FBAR滤波器100中,第一下电极102的面积大小通常等于第二和第三下电极104和106的总面积尺寸,以及用于隔离第二和第三下电极104和 106。 第一上部电极103的面积尺寸大体上等于第二和第三上部电极105和107的总面积尺寸以及用于隔离第二和第三上部电极105和107的区域。 第三下部电极106和第二上部电极105相对配置,第三上部电极107和第二下部电极104相对配置。 第二下电极104和第二上电极105的一部分位于彼此面对。