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    • 101. 发明授权
    • Voltage converter
    • 电压转换器
    • US06549437B1
    • 2003-04-15
    • US09635753
    • 2000-08-10
    • Yukihisa TakeuchiIwao Ohwada
    • Yukihisa TakeuchiIwao Ohwada
    • H02M318
    • H01L41/0973H01L41/0536H02M3/07
    • Two sets of two relay switches, which charge a pump capacitor and a reservoir capacitor of a charge pump type voltage converter, are formed respectively by a set of plural piezo-electric relays, and both the capacitors are formed together with the piezo-electric relays on one substrate. Electrodes are provided respectively on both surfaced of a piezo-electric film, and operating sections are operated by applying a power-supply voltage thereto, and a movable terminal is brought into contact with a counter terminal plate due to deformation of the operating section so that the piezo-electric relays are turned on.
    • 分别由一组多个压电继电器形成两组两个继电器开关,其对电荷泵型电压转换器的泵电容器和储存电容器进行充电,并且两个电容器与压电继电器一起形成 在一个衬底上。 电极分别设置在压电薄膜的表面上,通过向其施加电源电压来操作操作部分,并且由于操作部分的变形使活动端子与对接端子板接触,使得 压电继电器打开。
    • 102. 发明授权
    • Current controlling element
    • 电流控制元件
    • US06545421B1
    • 2003-04-08
    • US09688480
    • 2000-10-16
    • Yukihisa TakeuchiTsutomu NanatakiIwao Ohwada
    • Yukihisa TakeuchiTsutomu NanatakiIwao Ohwada
    • G09G310
    • G09G3/3433G09G3/3493G09G2300/08H01L41/0973
    • An actuator having a fixed portion, a vibrating portion supported on the fixed portion so as to undergo vibrations, and an actuating portion including a first and a second electrodes formed on both sides or one side of a deformable layer is provided. The actuator generates a displacement motion by holding the offset electric potential of the first electrode at a desired valve and variable-controlling an electric potential of the second electrode. A cathode for emitting electrons is formed on the actuator. The current controlling element changes the position of the cathode with respect to the plate by the displacement motion of the actuator obtained by changing an electric potential difference of the second electrode to the offset electric potential, and adjusts the offset position of the cathode according to the offset electric potential, to adjust a control range of a current value taken out of the plate.
    • 具有固定部分的致动器,支撑在固定部分上以进行振动的振动部分,以及包括形成在可变形层的两侧或一侧的第一和第二电极的致动部分。 致动器通过将第一电极的偏移电位保持在期望的阀并且可变地控制第二电极的电位而产生位移运动。 在致动器上形成用于发射电子的阴极。 电流控制元件通过将第二电极的电位差改变为偏移电位而获得的致动器的位移运动来改变阴极相对于板的位置,并且根据 偏移电位,以调整从板取出的电流值的控制范围。
    • 103. 发明授权
    • Sensor device with fluid introduction holes
    • 带流体导入孔的传感器装置
    • US06490911B1
    • 2002-12-10
    • US09510246
    • 2000-02-22
    • Masahiko NamerikawaKazuyoshi ShibataYukihisa Takeuchi
    • Masahiko NamerikawaKazuyoshi ShibataYukihisa Takeuchi
    • G01L116
    • G01L9/008G01N29/036G01N29/222G01N2291/014G01N2291/015
    • A sensor device includes a base body 12 having a vibrating portion 14, a piezoelectric element 20 fixed onto one surface of the vibrating portion 14 and having a piezoelectric film 22 and a pair of electrodes 24a, 24b which are in contact with the piezoelectric film 22, a space 16 that allows a fluid to lead to the other surface of the vibrating portion 14, and introduction holes 18 that communicate with the space 16, and the sensor device 10 is in a longitudinal shape. A recess 15 which contains at least an opening end of the introduction hole 18 on the surface side of the sensor device 10 in its region and extends up to the rear end portion 10′ of the sensor device is formed on the surface of the sensor device 10 by a protrusion 13 disposed on the surface of said sensor device so as to extend substantially continuously from the periphery of the introduction holes 18 to the rear end portion 10′ of said sensor device.
    • 传感器装置包括具有振动部分14的基体12,固定在振动部分14的一个表面上并具有压电膜22的压电元件20和与压电膜22接触的一对电极24a,24b ,允许流体引导到振动部14的另一个表面的空间16,与空间16连通的导入孔18和传感器装置10呈纵向状态。 在传感器装置10的表面侧至少包含导入孔18的开口端的区域,并且向传感器装置的后端部10'延伸的凹部15形成在传感器装置的表面上 10由设置在所述传感器装置的表面上的突起13构成,以便从导入孔18的周边到所述传感器装置的后端部10'基本连续地延伸。
    • 107. 发明授权
    • Display-driving device and display-driving method
    • 显示驱动装置和显示驱动方法
    • US06452583B1
    • 2002-09-17
    • US09115978
    • 1998-07-15
    • Yukihisa TakeuchiTsutomu NanatakiIwao OhwadaTakayoshi Akao
    • Yukihisa TakeuchiTsutomu NanatakiIwao OhwadaTakayoshi Akao
    • G09G334
    • G09G3/3473G09G3/2018G09G3/3493G09G2310/06
    • Assuming that a display period for one image is one field, a light source turn on period and a light source turn off period are set for the one field. An overall bending displacement period for making bending displacement of all actuator elements is set within the light source turn off period. A gradational display period for performing substantial gradational display and a reset period for resetting the bending displacement of all of the actuator elements are set within the light source turn on period. Subfields of a number corresponding to the maximum gradation level are set within the gradational display period. Timing control is performed so that all row selection is completed within each of the subfields. Accordingly, the gradation level is advantageously extended when a relationship of Tr>>Tf is given between a light-emitting rising time Tr of the picture element and a quenching falling time Tf of the picture element.
    • 假设一个图像的显示周期是一个场,则为一个场设置光源打开周期和光源关闭周期。 用于使所有致动器元件的弯曲位移的整体弯曲位移周期设定在光源截止周期内。 在光源打开周期内设置用于执行实质梯度显示的等级显示周期和用于复位所有致动器元件的弯曲位移的复位周期。 在等级显示周期内设置与最大灰度级相对应的数字的子场。 执行定时控制,使得在每个子场内完成所有行选择。 因此,当在像素的发光上升时间Tr和像素的淬灭下降时间Tf之间给出Tr >> Tf的关系时,有利地延长了灰度级。
    • 110. 发明授权
    • Mass sensor and mass detection method
    • 质量传感器和质量检测方法
    • US06386053B1
    • 2002-05-14
    • US09297655
    • 1999-05-04
    • Yukihisa TakeuchiTakao OhnishiKoji Kimura
    • Yukihisa TakeuchiTakao OhnishiKoji Kimura
    • G01G313
    • G01P15/0922B06B1/06B06B1/0648G01G3/16G01H11/08G01N2035/00217G01N2035/00237G01N2291/02827G01P15/09G01P2015/0814H01L41/0973H01L41/1132
    • A mass sensor (30) in which a connection plate (33) and a diaphragm (31) are joined together at their respective sides; a sensing plate (32) is joined to the connection plate (33) at their respective sides in the direction perpendicular to the direction where the diaphragm (31) is joined to the connection plate (33); a piezoelectric element (35) consisting of a piezoelectric film and an electrode is installed on at least either one of plate surfaces of the sensing plate (32); and a resonating portion consisting of the diaphragm (31), the sensing plate (32), the connection plate (33), and the piezoelectric element (35) is joined to a sensor substrate (34). Change in the mass of the diaphragm (31) is measured by measuring change in the resonant frequency of the resonating portion accompanying the change in the mass of the diaphragm (31). The mass sensor of the present invention enables the easy and accurate measurement of a minute mass of a nanogram order including microorganisms such as bacteria and viruses, chemical substances, and the thickness of vapor-deposited films.
    • 其中连接板(33)和隔膜(31)在其各自侧面接合在一起的质量传感器(30) 感测板(32)在与隔膜(31)接合到连接板(33)的方向垂直的方向上的相应侧面处连接到连接板(33); 在感测板(32)的板表面的至少任一个上安装由压电膜和电极组成的压电元件(35); 并且由传感器基板(34)接合由隔膜(31),检测板(32),连接板(33)和压电元件(35)组成的谐振部。 通过测量伴随隔膜(31)的质量变化的谐振部分的谐振频率的变化来测量隔膜(31)的质量的变化。 本发明的质量传感器能够容易且精确地测量包括诸如细菌和病毒的微生物,化学物质和气相沉积膜的微量级的纳刻级的微小质量。