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    • 41. 发明授权
    • Vibratory driving device
    • 振动驱动装置
    • US08269397B2
    • 2012-09-18
    • US12840580
    • 2010-07-21
    • Taketo NakamuraTomoyuki Yuasa
    • Taketo NakamuraTomoyuki Yuasa
    • H01L41/08
    • H02N2/025H02N2/062
    • A vibratory driving device (1) comprising an electromechanical transducer (3) which causes mechanical displacement according to an applied voltage, a driving shaft (4) which is held so as to be displaced in its axial direction by the electromechanical transducer and which is provided on its surface with two resistive bodies (8) extending in the axial direction and connected to the electromechanical transducer at one end, a movable member (5) which slidably engages on the driving shaft so as to contact with the two resistive bodies to connect electrically the contacted points of the resistive bodies each other, a driving circuit (13) which applies a periodical driving voltage to the electromechanical transducer, and a measuring circuit (15) which measures electric resistance between the two resistive bodies can determine a position of the movable member and has a simplified wiring (7) with low risk of disconnection.
    • 一种振动驱动装置(1),包括根据施加的电压引起机械位移的机电换能器(3),驱动轴(4),其被保持以通过机电换能器在其轴向方向上移位,并且提供 在其表面上具有两个在轴向方向延伸并且在一端连接到机电换能器的电阻体(8),可动构件(5)可滑动地接合在驱动轴上,以便与两个电阻体接触以电连接 电阻体的接触点,对机电换能器施加周期性驱动电压的驱动电路(13)和测量两个电阻体之间的电阻的测量电路(15)可以确定可动 并具有简单的接线(7),断开风险低。
    • 45. 发明申请
    • Electromechanical Conversion Element and Actuator
    • 机电转换元件和执行器
    • US20120187800A1
    • 2012-07-26
    • US13437299
    • 2012-04-02
    • Tadashi YodaToshio NishimuraMasanaga NishikawaYasuhiro OkamotoTomoyuki Yuasa
    • Tadashi YodaToshio NishimuraMasanaga NishikawaYasuhiro OkamotoTomoyuki Yuasa
    • H01L41/047H01L41/09
    • H02N2/025H01L41/313
    • An electromechanical conversion element having high connection reliability and an actuator equipped with the electromechanical conversion element. The electromechanical conversion element includes: a displacement part capable of expanding and contracting by application of voltage and having electrode forming faces and an adhesion face which are disposed adjacent to each other; and external electrodes on the electrode forming faces, in which lead electrodes for applying voltage to the displacement part are bonded to bonding regions provided in the external electrodes, and a driven member capable of being driven by the expansion and contraction of the displacement part is bonded to the adhesion face by an adhesive. The electromechanical conversion element further includes bleed flow blocking parts on the electrode forming faces at points closer to the adhesion face than ends of the bonding regions located on the same side as the adhesion face.
    • 具有高连接可靠性的机电转换元件和配备有机电转换元件的致动器。 机电转换元件包括:能够通过施加电压而伸缩的位移部件,并且具有彼此相邻设置的电极形成面和粘合面; 并且电极形成面上的外部电极,其中向位移部分施加电压的引线电极被接合到设置在外部电极中的接合区域,并且能够通过位移部分的膨胀和收缩而被驱动的从动构件被接合 通过粘合剂粘附到粘合面上。 机电转换元件还包括在与粘合面位于同一侧的接合区域的端部处的电极形成面处的渗出阻流部分,其比靠近粘合面的点处。
    • 48. 发明授权
    • Imaging apparatus
    • 成像设备
    • US08224173B2
    • 2012-07-17
    • US12839650
    • 2010-07-20
    • Manji TakanoKazuhiro Shibatani
    • Manji TakanoKazuhiro Shibatani
    • G03B5/06
    • G03B3/10
    • A small imaging apparatus (1) implementing an optical image stabilizing function has a vibratory driving device (3) which comprises a driving shaft (7), an electromechanical transducer (6) consisting of a plurality of elongatable portions capable of elongating and contracting in an axial direction of the driving shaft (7) respectively and integrated with each other, and a driving member (8) slidably engaging on the driving shaft (7); a axially movable optical member (10) of which position is restrained in the axial direction by the driving member (8); and a vertically movable optical member (9, 11) of which position is restrained in a direction perpendicular to the axial direction by the driving shaft (7), the elongatable portions uniformly elongating and contracting repeatedly to displace the driving member (8) slidingly on the driving shaft (7), and unequally elongating or contracting to incline the driving shaft (7) to displace the driving member (8).
    • 实现光学图像稳定功能的小型成像装置(1)具有振动驱动装置(3),其包括驱动轴(7),机电换能器(6),其由多个可伸长部分组成,所述可伸长部分能够伸长和收缩 驱动轴(7)的轴向方向分别相互一体化,以及可滑动地接合在驱动轴(7)上的驱动构件(8)。 轴向移动的光学构件(10),其位置由驱动构件(8)沿轴向限制; 以及通过驱动轴(7)沿着与轴向垂直的方向限制位置的可垂直移动的光学构件(9,11),可伸长部分重复地均匀地伸长和收缩,从而使驱动构件(8)滑动地移动 驱动轴(7),并且不均匀地伸长或收缩以使驱动轴(7)倾斜以使驱动构件(8)移位。
    • 49. 发明授权
    • Scanning optical system, optical scanning device, and image forming device
    • 扫描光学系统,光学扫描装置和图像形成装置
    • US08223419B2
    • 2012-07-17
    • US12864858
    • 2009-01-21
    • Daisuke TanahashiYayoi Eguro
    • Daisuke TanahashiYayoi Eguro
    • G02B26/08
    • G02B26/125H04N1/1135
    • A scanning optical system is provided with a light source device (1), a deflection optical system (5) that deflects the light flux from the light source device (1) to carry our a scan in a main-scanning direction (y), and a scanning and image-forming optical system (8) that forms the light flux deflected by the deflection optical system (5) into an image on a scanning surface (H). The scanning and image-forming optical system (8) includes at least a first lens (6). The scanning optical system satisfies a predetermined condition relating to a numerical aperture of a light flux entering the deflection optical system (8) in a sub-scanning direction (z), and a distance between the deflection optical system (5) and the first lens (6). The first lens (6) is a plastic lens made of a predetermined resin as a base material.
    • 扫描光学系统设置有光源装置(1),使来自光源装置(1)的光束偏转以沿主扫描方向(y)进行扫描的偏转光学系统(5) 以及扫描和成像光学系统(8),其将由偏转光学系统(5)偏转的光束形成为扫描表面(H)上的图像。 扫描和成像光学系统(8)至少包括第一透镜(6)。 扫描光学系统满足与副扫描方向(z)进入偏转光学系统(8)的光束的数值孔​​径有关的规定条件,偏转光学系统(5)与第一透镜 (6)。 第一透镜(6)是由预定树脂作为基材制成的塑料透镜。