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    • 11. 发明授权
    • Fleming-type ink jet head
    • 弗莱明式喷墨头
    • US5206667A
    • 1993-04-27
    • US755961
    • 1991-09-06
    • Akio Yano
    • Akio Yano
    • B41J2/06
    • B41J2/06
    • A Fleming-type ink jet head in which a group of electrodes constituting one of two rows of a plurality of pairs of electrodes for causing currents to flow across ink channels are integrally formed for the purpose of improving the accuracy with which the pairs of electrodes are relatively positioned as well as reducing the manufacture cost. The resistance between each of the pairs of electrodes is detected and the width or magnitude of a pulse current caused to flow between the electrodes is controlled based on the data of this detection, thereby preventing a deterioration in printing quality due to the non-uniformity of the resistance. Also, the width or magnitude of current pulse is controlled with respect to the positions of the channels to compensate for the non-uniformity of the magnetic field intensity through the channels stacked between magnets, whereby a deterioration in printing quality due to the non-uniformity of the magnetic field intensity is prevented. A circuit for heating the ink in the channels is provided to prevent a deterioration in printing quality due to a change in the viscosity of the ink.
    • 为了提高成对的电极的精度,一体形成了一组电极,其组成一组电极,其构成用于使电流流过墨水通道的多对电极的两行中的一个电极 相对定位以及降低制造成本。 检测每对电极之间的电阻,并且基于该检测的数据来控制引起在电极之间流动的脉冲电流的宽度或幅度,从而防止由于不均匀性引起的打印质量的劣化 阻力。 此外,电流脉冲的宽度或幅度相对于通道的位置被控制,以通过堆叠在磁体之间的通道来补偿磁场强度的不均匀性,由此由于不均匀性而导致的打印质量的劣化 的磁场强度被防止。 提供用于加热通道中的墨水的电路,以防止由于墨水的粘度变化引起的打印质量的劣化。
    • 13. 发明授权
    • Method for preparing a hologram
    • 制备全息图的方法
    • US4039245A
    • 1977-08-02
    • US626348
    • 1975-10-28
    • Akio Yano
    • Akio Yano
    • G03H1/26G03H1/30
    • G03H1/26Y10S359/90
    • A hologram is produced by arranging a plurality of two-dimensional pictures in a predetermined pattern, illuminating each of the two-dimensional pictures with a coherent beam, projecting light emerging from each of the two-dimensional pictures to a screen, a dispersing light on the screen in one direction parallel to the screen and redirecting the light along predetermined courses in the direction parallel to the screen but orthogonal to the one direction so as to form overlapping images of the two-dimensional pictures on the screen. The light from each picture is then redirected onto different positions of a holographic recording medium, and a reference beam is directed toward the medium so as to produce interference with the light from the screen. In one embodiment the screen reflectively disperses the light in the vertical direction and redirects it retroreflectively in the horizontal direction.
    • 通过以预定图案布置多个二维图像来产生全息图,用相干光束照亮每个二维图像,将从每个二维图像引出的光投射到屏幕上,分散光在 屏幕在平行于屏幕的一个方向上并且沿着平行于屏幕但与该方向正交的方向的预定路线重定向光线,以便在屏幕上形成二维图像的重叠图像。 然后将来自每个图像的光重定向到全息记录介质的不同位置,并且参考光束被引向介质以便产生对来自屏幕的光的干扰。 在一个实施例中,屏幕沿垂直方向反射地分散光并将其在水平方向上反向地重定向。
    • 14. 发明申请
    • METHOD OF MEASURING AND EVALUATING MECHANICAL OUTPUTS OF PIEZOELECTRIC ACTUATORS, CONTROLLING METHOD OF THE SAME, AND APPARATUS USING THOSE METHODS
    • 测量和评估压电致动器的机械输出的方法,其控制方法以及使用这些方法的装置
    • US20120091927A1
    • 2012-04-19
    • US13260180
    • 2010-03-31
    • Takeshi YanoKazuo YakuwaAkio YanoSze Keat CheeToshiro Higuchi
    • Takeshi YanoKazuo YakuwaAkio YanoSze Keat CheeToshiro Higuchi
    • H02N2/06G01L1/16
    • H02N2/06G01L5/226H02N2/043
    • The present invention relates to a method of measuring and evaluating rigidity of a target object or mechanical output, such as force, displacement, and mechanical energy generated by a piezoelectric actuator and applied to the target object, according to only a measured value of electric quantity without use of a mechanical sensor, and a method of controlling the piezoelectric actuator, and a device using these methods.Steps of finding equivalent circuit constants of the piezoelectric actuator; applying a voltage to the piezoelectric actuator and measuring electrical quantity flowing into the piezoelectric actuator due to the applied voltage, or applying an electric charge to the piezoelectric actuator and measuring voltage applied to the piezoelectric actuator due to the applied electric charge; and measuring and evaluating one or more of force, displacement, or mechanical energy generated by the piezoelectric actuator and applied to a target object, or rigidity of a target object are included. While these values are measured and evaluated minutely, applied voltage and electrical quantity are adjusted and controlled.
    • 本发明涉及一种测量和评估目标物体或机械输出的刚度的方法,例如由压电致动器产生的力,位移和机械能,并且仅根据电量的测量值 而不使用机械传​​感器,以及控制压电致动器的方法,以及使用这些方法的装置。 找到压电致动器的等效电路常数的步骤; 对压电致动器施加电压并测量由于施加的电压而流入压电致动器的电量,或者向压电致动器施加电荷并测量由于所施加的电荷而施加到压电致动器的电压; 并且包括测量和评估由压电致动器产生并施加到目标物体的力,位移或机械能量或目标物体的刚度中的一个或多个。 虽然这些值被精确地测量和评估,但是施加的电压和电量被调整和控制。
    • 17. 发明授权
    • Printing head of wire-dot impact printer
    • 打点头打点机
    • US5005994A
    • 1991-04-09
    • US323833
    • 1989-03-15
    • Akio Yano
    • Akio Yano
    • B41J2/295
    • B41J2/295
    • A printing head includes a plurality of impact printing wires constituting a dot matrix and a plurality of actuators respectively corresponding to, and for selectively driving the printing members. Each actuator comprises a movable member to which a printing wire is connected, an electro-distortion device, first and second parallel resilient members and an electro-distortion device. The first resilient member is connected with the electro-distortion device between the frame and the movable member and the second resilient member is connected directly between the frame and the movable member so that the extent of longitudinal expansion and contraction of the electro-distortion device, produced by application of an electrical voltage thereto, is enlarged by the movable member and transmitted thereby to the printing wire. A third resilient member is arranged substantially perpendicularly to the first and second resilient members and connects the movable member to the frame.
    • 18. 发明授权
    • Method of measuring and evaluating mechanical outputs of piezoelectric actuators, controlling method of the same, and apparatus using those methods
    • 压电致动器的机械输出的测量和评估方法,其控制方法以及使用这些方法的装置
    • US08552620B2
    • 2013-10-08
    • US13260180
    • 2010-03-31
    • Takeshi YanoKazuo YakuwaAkio YanoSze Keat CheeToshiro Higuchi
    • Takeshi YanoKazuo YakuwaAkio YanoSze Keat CheeToshiro Higuchi
    • H01L41/107
    • H02N2/06G01L5/226H02N2/043
    • The present invention relates to a method of measuring and evaluating rigidity of a target object or mechanical output, such as force, displacement, and mechanical energy generated by a piezoelectric actuator and applied to the target object, according to only a measured value of electric quantity without use of a mechanical sensor, and a method of controlling the piezoelectric actuator, and a device using these methods.Steps of finding equivalent circuit constants of the piezoelectric actuator; applying a voltage to the piezoelectric actuator and measuring electrical quantity flowing into the piezoelectric actuator due to the applied voltage, or applying an electric charge to the piezoelectric actuator and measuring voltage applied to the piezoelectric actuator due to the applied electric charge; and measuring and evaluating one or more of force, displacement, or mechanical energy generated by the piezoelectric actuator and applied to a target object, or rigidity of a target object are included. While these values are measured and evaluated minutely, applied voltage and electrical quantity are adjusted and controlled.
    • 本发明涉及一种测量和评估目标物体或机械输出的刚度的方法,例如由压电致动器产生的力,位移和机械能,并且仅根据电量的测量值 而不使用机械传​​感器,以及控制压电致动器的方法,以及使用这些方法的装置。 找到压电致动器的等效电路常数的步骤; 对压电致动器施加电压并测量由于施加的电压而流入压电致动器的电量,或者向压电致动器施加电荷并测量由于所施加的电荷而施加到压电致动器的电压; 并且包括测量和评估由压电致动器产生并施加到目标物体的力,位移或机械能量或目标物体的刚度中的一个或多个。 虽然这些值被精确地测量和评估,但是施加的电压和电量被调整和控制。