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    • 1. 发明授权
    • Ink jet head providing improved printing resolution and printing speed
    • 喷墨头提供更高的打印分辨率和打印速度
    • US06243114B1
    • 2001-06-05
    • US09170263
    • 1998-10-13
    • Akio YanoAkihiko MiyakiMasahiro OnoTakumi Kawamura
    • Akio YanoAkihiko MiyakiMasahiro OnoTakumi Kawamura
    • H04R1700
    • H04R17/00B41J2002/14491
    • Each of common electrode teeth 76-1, 76-2 and 76-3, and each of individual electrode teeth 77-1 and 77-2 are alternately arranged in the X1-X2 direction at predetermined intervals g. When a positive voltage is applied to the individual electrode teeth 77-1 and 77-2, an electric field 83-1 indicated by a line of electric force 82-1 is produced in a piezoelectric plate member 65 between the individual electrode tooth 77-1 and the common electrode tooth 76-1 and an electric field 83-2 indicated by a line of electric force 82-2 is produced between the individual electrode tooth 77-1 and the common electrode tooth 76-2. Likewise, an electric field 83-3 indicated by a line of electric force 82-3 is produced between the individual electrode tooth 77-2 and the common electrode tooth 76-2 and an electric field 83-4 indicated by a line of electric force 82-4 is produced between the individual electrode tooth 77-2 and the common electrode tooth 76-3. Depending on the piezoelectric constant d33, X1-X2 direction components of the electric fields causes the piezoelectric plate member 65 to expand efficiently, as indicated by numerals 83-1-83-4. An expanding action of the piezoelectric plate member 65 causes a bimorph element 69 to bulge into a dome configuration.
    • 公共电极齿76-1,76-2和76-3以及各个电极齿77-1和77-2中的每一个以预定间隔g在X1-X2方向交替布置。 当对各个电极齿77-1和77-2施加正电压时,在单个电极齿77-1和77-2之间的压电板构件65中产生由电力线82-1表示的电场83-1, 在单个电极齿77-1和公共电极齿76-2之间产生由电力线82-2表示的公共电极齿76-1和电场83-2。 类似地,在单独电极齿77-2和公共电极齿76-2之间产生由电力线82-3表示的电场83-3和由电力线表示的电场83-4 82-4在单个电极齿77-2和公共电极齿76-3之间产生。 根据压电常数d33,电场的X1-X2方向分量使得压电板构件65有效地膨胀,如数字83-1-83-4所示。 压电板构件65的膨胀动作使双压电晶片元件69凸出成圆顶形状。
    • 6. 发明授权
    • Printing head of wire-dot impact printer
    • 打点头打点机
    • US5292201A
    • 1994-03-08
    • US977027
    • 1992-11-16
    • Akio Yano
    • Akio Yano
    • B41J2/295
    • B41J2/295
    • A printing head including a plurality of impact printing wires constituting a dot matrix and a plurality of actuators for respectively and selectively driving the printing wires. Each actuator is constituted of a movable member to which the printing wire corresponding thereto is connected, a base member, a piezoelectric device mounted on the base member, and first and second leaf springs. The first leaf spring is connected between the movable member and the piezoelectric device, and the second leaf spring is connected between the movable member and the base member in parallel relationship to the first leaf spring. Each of the first and second leaf springs has a shape such that it is narrowest at the central portion thereof and is gradually widened toward the opposite ends thereof. Owing to this shape, a stress generating at the opposite ends of each leaf spring can be reduced to thereby prevent breakage of each leaf spring.
    • 一种打印头,包括构成点阵的多个冲击印刷线和用于分别选择性地驱动印刷线的多个致动器。 每个致动器由与其相对应的打印线连接的可动构件,基座构件,安装在基座构件上的压电装置以及第一和第二板簧组成。 第一板簧连接在可动构件和压电装置之间,第二板簧与第一板簧平行地连接在可动构件和基座构件之间。 第一和第二板簧中的每一个具有这样的形状,使得其中央部分处的最窄,并朝向其相对端逐渐变宽。 由于该形状,可以减少在每个板簧的相对端产生的应力,从而防止每个板簧的断裂。
    • 7. 发明授权
    • Apparatus for driving printing head of wire-dot impact printer
    • 丝印冲击打印机打印头驱动装置
    • US5167459A
    • 1992-12-01
    • US780116
    • 1991-10-21
    • Akio YanoKouji Hosokawa
    • Akio YanoKouji Hosokawa
    • B41J2/295
    • B41J2/295
    • An apparatus for driving a printing head of a wire-dot printer, the head including a plurality of electroexpansive elements for driving respective printing wires cooperatively constituting a wire-dot matrix and in accordance with print pattern data designating the existence, or non-existence, of a dot to be printed by the respective, plural dot-impact printing wires in each of a succession of print cycles. Each electroexpansive element, selectively, is expanded and shrunk by an electrical charge/discharge, thereby to move the respective printing wire and perform a dot printing operation. The time intervals T1 and T2 respectively for the charge and discharge in each of a succession of printing cycles are: in the case of continuous dots, T1=A, T2=B' for the first dot, T1=A', T2=B' for successive dots intermediate the first and the last dots, and T1=A', T2=B for the last dot of the continuous dots, and in the case of a single dot, T1=A, T2=B, wherein A>A', and B>B'.
    • 一种用于驱动点阵式打印机的打印头的设备,该打印头包括多个用于驱动各个打印线的电膨胀元件,该印刷线协调地构成一个点阵矩阵,并且根据指定存在或不存在的打印图案数据, 在多个打印循环中的每一个中由相应的多个点冲击打印线打印的点。 选择性地,每个电膨胀元件通过电荷/放电而膨胀和收缩,从而移动相应的印刷线并执行点印刷操作。 分别用于连续打印循环中的充放电的时间间隔T1和T2是:在连续点的情况下,对于第一个点,T1 = A,T2 = B',T1 = A',T2 = B 对于连续点的最后一个点的连续点,T1 = A',T2 = B,在单点的情况下,T1 = A,T2 = B,其中A> A',B> B'。
    • 9. 发明授权
    • Multi-color holographic stereograms
    • 多色全息立体图
    • US4067638A
    • 1978-01-10
    • US609050
    • 1975-08-29
    • Akio YanoKazuya Matsumoto
    • Akio YanoKazuya Matsumoto
    • G03H1/26
    • G03H1/268G03H1/0402G03H1/2205G03H2001/2271G03H2210/13G03H2222/18G03H2223/12G03H2223/19Y10S359/90
    • A plurality of multicolored transparencies or pictures having different parallactic views of a scene are aligned with each other and illuminated by red, green, and blue coherent beams. The resulting images are focused on a holographic recording medium through an aperture elongated along the direction of the alignment of the pictures. A hologram is recorded by red, green, and blue coherent reference beams directed at the recording medium. The images are reconstructed with a white reconstructing beam or a reconstructing beam composed of quasi-monochromatic colors and observed through an aperture corresponding to the first aperture and arranged in the same position. The hologram has recorded thereon a focused image hologram of the pictures and a Fresnel hologram of the aperture. The reconstructed image may be expanded by a screen which is directive in one direction, i.e. retroreflective horizontally, and dispersive in another direction, i.e. vertically dispersive.
    • 多个彩色透明胶片或具有场景不同视野的图片彼此对齐并被红色,绿色和蓝色相干光束照射。 所得到的图像通过沿着图像的对准方向细长的孔径聚焦在全息记录介质上。 通过指向记录介质的红色,绿色和蓝色相干参考光束记录全息图。 用白色重建光束或由准单色组成的重建光束重构图像,并通过与第一光圈相对应的孔并且被布置在相同的位置。 全息图在其上记录了图像的聚焦图像全息图和孔的菲涅耳全息图。 重建图像可以通过在一个方向上指示的水平面,即水平回射,并在另一方向上分散,即垂直分散的屏幕来扩展。