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    • 4. 发明授权
    • Actuator using displacement element
    • 执行器使用位移元件
    • US06771004B1
    • 2004-08-03
    • US09697570
    • 2000-10-26
    • Shinya MatsudaTakashi MatsuoMasayuki Ueyama
    • Shinya MatsudaTakashi MatsuoMasayuki Ueyama
    • H01L4104
    • H02N2/0025H02N2/103
    • Piezoelectric elements 10 and 10′ are driven so as to satisfy the relationship Nt=X0(1/(1/k2+1/k3)−1/(1/k1+1/k2+1/k3)) when the drive member, tip 20, and driven member, rotor 40, are in a state of intermittent contact, and in a state near the condition of transition from the intermittent contact state to the normal contact state. When the spring constant of the spring 41 is designated k1, the spring constant of the combined piezoelectric elements 10 and 10′ and the tip 20 is designated k2, the spring constant of the rotor 40 is designated k3, the amount of displacement of the piezoelectric elements 10 and 10′ is designated X0, and the compression force of the spring 41 is designated Nt.
    • 驱动压电元件10和10'以便在驱动部件,尖端20和从动部件转子40处于间歇接触的状态下处于与间歇接触状态转变的状态下的关系 到正常的接触状态。 当弹簧41的弹簧常数被指定为k1时,组合的压电元件10和10'和尖端20的弹簧常数被指定为k2,转子40的弹簧常数被指定为k3,压电体的位移量 元件10和10'指定为X0,弹簧41的压缩力被指定为Nt。
    • 5. 发明授权
    • Image sensing device
    • 图像传感装置
    • US06639625B1
    • 2003-10-28
    • US09114138
    • 1998-07-13
    • Tokuji IshidaShinya MatsudaMasayuki Ueyama
    • Tokuji IshidaShinya MatsudaMasayuki Ueyama
    • H04N5225
    • H04N5/23238H04N1/0402H04N1/0411H04N1/0414H04N1/0432H04N1/0455H04N1/195H04N5/2252H04N5/2624H04N2201/0426
    • High resolution composite images and ultra wide composite images are produced in a digital camera which combines a plurality of images to form a composite image on a single sheet. An image sensing unit includes a movable image sensing optical unit having a first and second focal lengths and a two-dimensional image sensing device. The image sensing unit is driven to control the optical axis of the image sensing optical unit so as to capture a plurality of images via the two-dimensional image sensing device. The plurality of images are combined to produce a composite image. An ultra wide composite image at standard resolution is produced by setting the focal length of the image sensing optical unit at a first focal length on the wide angle side, and a high resolution composite image is produced by setting the focal length of the image sensing optical unit at a second focal length on the telephoto side.
    • 在数字照相机中产生高分辨率合成图像和超宽合成图像,该数码相机组合多个图像以在单张纸上形成合成图像。 图像感测单元包括具有第一和第二焦距的可移动图像感测光学单元和二维图像感测装置。 驱动图像感测单元以控制图像感测光学单元的光轴,以便经由二维图像感测装置拍摄多个图像。 多个图像被组合以产生合成图像。 通过将摄像光学单元的焦距设置在广角侧的第一焦距,产生标准分辨率的超宽合成图像,并且通过设置图像感测光学的焦距来产生高分辨率合成图像 在长焦侧的第二焦距处的单元。
    • 6. 发明授权
    • Actuator using a piezoelectric element
    • 使用压电元件的致动器
    • US06700305B2
    • 2004-03-02
    • US09738070
    • 2000-12-15
    • Shinya MatsudaTakashi Matsuo
    • Shinya MatsudaTakashi Matsuo
    • H01L4108
    • H02N2/0025H02N2/103
    • The present invention is an actuator using a piezoelectric element as a displacement element, wherein a drive signal voltage and current are reduced, and power consumption is reduced, while output is increased. A structure comprising two displacement units of laminate-type piezoelectric elements 10 and 10′ and elastic elements 25 and 25′ resonated by the piezoelectric elements are arranged so as to mutually intersect, and a tip 20 provided at the intersection point of the elastic members 25 and 25′ describes a circular path or elliptical path, and moves a rotor 40. The oscillation of the piezoelectric elements 10 and 10′ is suppressed by the elastic members 25 and 25′, so as to set the phase of the electromotive force produced by the voltage effect of the piezoelectric elements 10 and 10′ themselves to the opposite of the phase of the drive signal, thereby reducing current consumption. Making the spring constant of the elastic members 25 and 25′ smaller than the spring constant of the piezoelectric elements 10 and 10′ expands the displacement of the elastic members 25 and 25′ greater than the displacement of the piezoelectric elements 10 and 10′.
    • 本发明是一种致动器,其使用压电元件作为位移元件,其中驱动信号电压和电流减小,并且功耗降低,同时输出增加。 包括层叠型压电元件10和10'的两个位移单元和由压电元件共振的弹性元件25和25'的结构被布置成相互相交,并且设置在弹性构件25的交点处的末端20 和25'描述了圆形路径或椭圆形路径,并且使转子40移动。压电元件10和10'的振荡被弹性构件25和25'抑制,以便设定由 压电元件10和10'本身的电压效应与驱动信号的相位相反,从而减少电流消耗。 使弹性构件25和25'的弹簧常数小于压电元件10和10'的弹簧常数,使弹性构件25和25'的位移大于压电元件10和10'的位移。
    • 10. 发明授权
    • Actuator
    • 执行器
    • US06201340B1
    • 2001-03-13
    • US09431126
    • 1999-11-01
    • Shinya MatsudaTakashi Matsuo
    • Shinya MatsudaTakashi Matsuo
    • H01L4108
    • H02N2/0025H02N2/103
    • In a truss type actuator having two piezoelectric devices provided for crossing at right angle and driven by two alternating driving signals having a predetermined phase difference between them for driving a chip member along a predetermined elliptic trail (including a circular trail). The piezoelectric devices are contacted by protrusions having a high rigidity and formed on contacting faces of the chip member and a base member for holding the piezoelectric devices, and fixed by adhesive having a low rigidity and filled around the protrusions. Thereby, one of the piezoelectric device hardly receives a reaction force from another piezoelectric device due to the displacement thereof.
    • 在具有两个压电装置的桁架式致动器中,该压电装置被设置为以直角交叉并由它们之间具有预定相位差的两个交替驱动信号驱动,用于沿预定的椭圆迹线(包括圆形迹线)驱动芯片部件。 压电元件与具有高刚度的突起接触,并形成在芯片部件和用于保持压电元件的基底部件的接触面上,并且通过具有低刚性并填充在突出部周围的粘合剂固定。 因此,压电装置中的一个由于其位移几乎不会受到来自另一个压电装置的反作用力。