Oscillator and oscillation wave driver
    1.
    发明专利
    Oscillator and oscillation wave driver 有权
    振荡器和振荡波驱动器

    公开(公告)号:JP2008172870A

    公开(公告)日:2008-07-24

    申请号:JP2007001443

    申请日:2007-01-09

    Abstract: PROBLEM TO BE SOLVED: To provide an oscillator and an oscillatory wave driver which can achieve simple arrangement and can be manufactured by a simple manufacturing process. SOLUTION: The oscillation wave driver includes an oscillator 100 and a moving element 101. The oscillator 100 includes a piezoelectric element 1 having a tubular shape, a support 5 made of an insulating material and having a disc part 5a and a shaft rod 5b, and a fixed member 6 made of a conductive material and having a disc shape. A conductive coating 3 is formed by electroless nickel plating on the entire exposed surface of the piezoelectric element 1 and the support 5. Furthermore, the surface of the conductive coating 3 on the piezoelectric element 1 and the support 5 is irradiated with laser such that the conductive coating 3 on the outer circumferential surface of the piezoelectric element 1 is divided into four in the circumferential direction. The conductive coating 3 is melted with heat of laser and removed and an electrode division part 4 is provided. Consequently, four outer circumferential electrodes 3b are formed on the outer circumferential surface of the piezoelectric element 1. Furthermore, an inner circumferential electrode 3a is formed on the inner circumferential surface of the piezoelectric element 1. COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提供可以实现简单布置并且可以通过简单制造工艺制造的振荡器和振荡波驱动器。 解决方案:振荡波驱动器包括振荡器100和移动元件101.振荡器100包括具有管状形状的压电元件1,由绝缘材料制成并具有盘部分5a和轴杆 5b和由导电材料制成且具有盘形状的固定部件6。 通过在压电元件1和支撑体5的整个暴露表面上的无电镀镍形成导电涂层3.此外,用激光照射压电元件1上的导电涂层3的表面和支撑体5, 压电元件1的外周面上的导电性涂层3在圆周方向上被分割为四个。 导电涂层3用激光的热量熔化并除去,并设置电极分割部分4。 因此,在压电元件1的外周面上形成四个外周电极3b。此外,在压电元件1的内周面上形成有内周电极3a。(C)2008, JPO&INPIT

    Vibrator driving method, vibration device, driving device having the same, and optical device
    2.
    发明专利
    Vibrator driving method, vibration device, driving device having the same, and optical device 有权
    振动器驱动方法,振动装置,具有该振动装置的驱动装置和光学装置

    公开(公告)号:JP2012217326A

    公开(公告)日:2012-11-08

    申请号:JP2012051948

    申请日:2012-03-08

    Abstract: PROBLEM TO BE SOLVED: To provide a vibrator driving method and such capable of moving a dust-containing object to be driven efficiently to a predetermined direction by vibration.SOLUTION: The vibrator driving method comprises processes of: applying at least two driving voltages to at least one electromechanical energy conversion element provided in a vibrator; and by generating a plurality of standing waves having mutually different orders in the vibrator provided with time phase differences, generating a composite vibration composed with the plurality of standing waves. To change an amplitude distribution of the composite vibration, at least one of voltage amplitude ratio and time phase difference of at least two driving voltages is changed.

    Abstract translation: 要解决的问题:提供一种振动器驱动方法,并且能够通过振动将待驱动的含灰尘物体有效地移动到预定方向。 解决方案:振动器驱动方法包括以下处理:向设置在振动器中的至少一个机电能量转换元件施加至少两个驱动电压; 并且通过在具有时间相位差的振动器中产生具有相互不同阶数的多个驻波,产生由多个驻波组成的复合振动。 为了改变复合振动的幅度分布,改变至少两个驱动电压的电压幅度比和时间相位差中的至少一个。 版权所有(C)2013,JPO&INPIT

    Driving method of piezoelectric device
    3.
    发明专利
    Driving method of piezoelectric device 有权
    压电装置的驱动方法

    公开(公告)号:JP2012134428A

    公开(公告)日:2012-07-12

    申请号:JP2010287491

    申请日:2010-12-24

    CPC classification number: H01L41/042 H01L41/1871 H01L41/1873

    Abstract: PROBLEM TO BE SOLVED: To provide a driving method of a piezoelectric device that can use circuit elements having lower dielectric strength by applying a minimum required bias electric field to reduce polarization inversion in a piezoelectric substance, and can obtain a predetermined displacement even when temperature changes.SOLUTION: A piezoelectric device comprises: a piezoelectric substance 1 that is formed of a material having two or more phase transition temperatures and is polarized in a thickness direction; and electrodes 2a, 2b provided on the both ends of the piezoelectric substance 1 in a direction orthogonal to the polarization direction. There is provided a driving method of the piezoelectric device for generating vibration by applying an AC electric field to the piezoelectric device by electric field applying means 3. According to this method, an absolute value of the electric field, in a direction opposite to the polarization direction in the AC electric field applied by the electric field applying means 3, is adjusted for changes in a coercive electric field associated with temperature changes to apply a bias electric field 4 in order to prevent the inversion of the polarization due to the electric field in the direction opposite to the polarization direction.

    Abstract translation: 要解决的问题:为了提供一种能够使用具有较低介电强度的电路元件的压电器件的驱动方法,通过施加最小所需偏置电场来减少压电物质中的极化反转,并且可以获得均匀的预定位移 当温度变化。 解决方案:压电装置包括:压电体1,其由具有两个或更多个相变温度并在厚度方向上极化的材料形成; 以及在与偏振方向正交的方向上设置在压电体1的两端的电极2a,2b。 提供了一种用于通过电场施加装置3向压电装置施加AC电场来产生振动的驱动方法。根据该方法,电场的绝对值在与极化相反的方向上 调整由电场施加装置3施加的AC电场中的方向,以改变与温度变化相关的矫顽电场,以施加偏置电场4,以防止由于电场引起的极化反转 与偏振方向相反的方向。 版权所有(C)2012,JPO&INPIT

    Oscillatory wave driving apparatus
    4.
    发明专利
    Oscillatory wave driving apparatus 审中-公开
    振动波驱动装置

    公开(公告)号:JP2009090213A

    公开(公告)日:2009-04-30

    申请号:JP2007263425

    申请日:2007-10-09

    Abstract: PROBLEM TO BE SOLVED: To reduce difference in the frequency of two resonance modes of a bolt-fastened Langevin type oscillator, increase the output power per unit volume, and economically stabilize motor capability. SOLUTION: The oscillatory wave driving apparatus comprises an elastic body having a through hole having a step part, a fastening member, an electric-mechanical energy conversion device installed in the elastic body and the fastening member and having a through hole, a shaft which has a screw part to be fitted with the fastening member by screwing and a step part for regulating the position of the thrust direction of the elastic body and is to be inserted into the through holes of the elastic body and the electric-mechanical energy conversion device, and an oscillating body which fixes the elastic body sandwiched between the step part and the fastening member and the electric-mechanical energy conversion device by fastening the fastening member in the shaft and the normal line direction of a contact face of the shaft step and the step part of the elastic body faces nearer to the axial center direction as it is in more outer circumferential side. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题:为了减少螺栓紧固的朗文型振荡器的两种共振模式的频率差异,增加每单位体积的输出功率,并且经济地稳定电动机能力。 解决方案:振荡波驱动装置包括具有台阶部分的通孔的弹性体,紧固构件,安装在弹性体中的机电能转换装置和紧固构件,并具有通孔, 轴,其具有通过旋拧装配有紧固构件的螺纹部分和用于调节弹性体的推力方向的位置的台阶部,并且插入弹性体的通孔和电动机械能 转换装置,以及摆动体,其通过将所述紧固部件固定在所述台阶部与所述紧固部件之间而固定,所述电动机械能量转换装置通过将所述紧固部件紧固在所述轴台阶的接触面的法线方向上 并且弹性体的台阶部分在更靠外周侧面向轴向中心方向更靠近。 版权所有(C)2009,JPO&INPIT

    振動型駆動装置、二次元駆動装置、画像振れ補正装置、交換レンズ、撮像装置、及び自動ステージ
    5.
    发明专利
    振動型駆動装置、二次元駆動装置、画像振れ補正装置、交換レンズ、撮像装置、及び自動ステージ 有权
    振动式驱动装置,二维驱动装置,图像修正装置,可互换镜头,成像装置和自动平台

    公开(公告)号:JP2014220989A

    公开(公告)日:2014-11-20

    申请号:JP2014032214

    申请日:2014-02-21

    Inventor: OHASHI KAISHI

    Abstract: 【課題】占有スペースが大きくなること及び不要な振動が起こることを抑制し、出力ロスを小さくすることを可能とする振動波駆動装置を提供する。【解決手段】電気機械エネルギー変換素子を有する振動子と、前記振動子が設けられた移動体と、前記移動体に設けられた前記振動子と接触する接触体と、前記接触体を支持する支持部材と、前記支持部材に対して前記移動体を相対移動させる移動機構と、を備え、前記振動子と前記接触体は、前記振動体が前記接触体に対して第1の方向に相対移動するように配置され、前記移動機構は、前記振動子と前記接触体とが接触する面と平行な平面において前記第1の方向と交差する第2の方向に、前記支持部材に対して前記移動体を相対移動可能とする振動型駆動装置。【選択図】図1

    Abstract translation: 要解决的问题:提供一种抑制占用空间膨胀和不必要振动并降低输出损耗的振动波驱动装置。解决方案:一种振动型驱动装置,包括:具有机电能量转换元件的振动器; 设置有振动器的移动体; 与设置在可动体上的振动器接触的接触体; 支撑构件,其支撑接触体; 以及使可移动体相对于支撑构件移动的移动机构。 振动器和接触体被布置成使得振动器在第一方向上相对于接触体移动。 移动机构在与振动器和接触体彼此接触的表面平行设置的平面上沿与第一方向垂直的第二方向相对于支撑构件移动。

    Foreign object removal unit and optical apparatus having the same
    6.
    发明专利
    Foreign object removal unit and optical apparatus having the same 有权
    外部物体拆卸单元和具有该异物的光学装置

    公开(公告)号:JP2012157139A

    公开(公告)日:2012-08-16

    申请号:JP2011013255

    申请日:2011-01-25

    Abstract: PROBLEM TO BE SOLVED: To accurately detect the vibration of an optical member when the optical member is vibrated by a piezoelectric device, without affected by the reflection of the vibration on the end face of the optical member.SOLUTION: A foreign object removal unit includes: a rectangular shaped optical member disposed on an optical path and having an optical effective region through which a light flux passes; a piezoelectric member; and the piezoelectric device including a drive electrode and a sensor electrode formed on the surface of the piezoelectric member. The piezoelectric device is adhered to the surface of the optical member along one side of the optical member outside the optical effective region. The sensor electrode is formed on the surface of the piezoelectric member in such a manner as to be positioned within the range of the optical effective region in the direction of the side of the optical member to which the piezoelectric device is adhered.

    Abstract translation: 要解决的问题:为了精确地检测当光学部件被压电装置振动时光学部件的振动,而不受光学部件的端面上的振动的反射的影响。 解决方案:异物去除单元包括:设置在光路上并具有光通量通过的光学有效区域的矩形光学构件; 压电元件; 并且压电装置包括形成在压电元件表面上的驱动电极和传感器电极。 压电装置沿着光学构件的一侧在光学有效区域的外侧粘附到光学构件的表面。 传感器电极形成在压电部件的表面上,使其位于光学部件的附着方向的光学有效区域的范围内。 版权所有(C)2012,JPO&INPIT

    Optical apparatus
    7.
    发明专利
    Optical apparatus 有权
    光学装置

    公开(公告)号:JP2011015434A

    公开(公告)日:2011-01-20

    申请号:JP2010208343

    申请日:2010-09-16

    Inventor: OHASHI KAISHI

    Abstract: PROBLEM TO BE SOLVED: To provide an optical apparatus capable of exciting vibrations comprising a plurality of standing waves different in order and capable of moving dust in a desired direction at high removing efficiency.SOLUTION: A vibrator 3 having an object and piezoelectric elements 2a and 2b provided on the object is vibrated by applying alternating voltages to the respective piezoelectric elements 2a and 2b. The respective alternating voltages to be applied are waveforms having the frequency of making the vibrator 3 generate vibrations for which a first bending vibration and a second bending vibration different in order are superposed, and different phases. Then, the object is provided in an optical path.

    Abstract translation: 要解决的问题:提供一种能够激发振动的光学装置,其包括多个不同顺序的驻波,并且能够以高的去除效率在期望的方向上移动灰尘。解决方案:具有物体的振动器3和压电元件2a和 2b通过对各个压电元件2a和2b施加交流电压来振动。 要施加的各个交流电压是具有使振动器3产生叠加有不同顺序的第一弯曲振动和第二弯曲振动以及不同相位的振动的波形。 然后,将物体设置在光路中。

    Oscillatory wave driving unit and electronic apparatus
    8.
    发明专利
    Oscillatory wave driving unit and electronic apparatus 审中-公开
    振动波驱动单元和电子设备

    公开(公告)号:JP2006129579A

    公开(公告)日:2006-05-18

    申请号:JP2004312562

    申请日:2004-10-27

    Inventor: OHASHI KAISHI

    Abstract: PROBLEM TO BE SOLVED: To provide an oscillatory wave driving unit, which can elongate the durability life by reducing the friction and abrasion at a contact part between an oscillator and a contact body, and an electric apparatus. SOLUTION: The oscillatory wave motor is equipped with an oscillator 1 which has a metallic part 2 and a piezoelectric element 3 and where drive oscillation is excited, a disc-shaped contact body 4 which has an output shaft 4a in an eccentric position on a disc, and a plate spring 5 which pressurizes the oscillator 1 and the contact body 4 into contact. The oscillator 1 shifts in the direction of pressurization, according to the change of the distance between the center of the output shaft 4a of the contact body 4 and a position where the oscillator 1 and the contact body 4 are in contact, and the amount of shrinkage of the plate spring 5 changes, and the pressure of the contact face between the oscillator 1 and the contact body 4 changes. Hereby, the driving force that the contact body 4 receives from the oscillator 1 changes, and the output torque generated in the output shaft 4a of the contact body 4 changes, too. COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:提供一种振荡波驱动单元,其可以通过减少振荡器和接触体之间的接触部分处的摩擦和磨损来延长耐久寿命,以及电气设备。 解决方案:振荡波电动机配备有具有金属部分2和压电元件3并且驱动振荡被激励的振荡器1,盘形接触体4具有位于偏心位置的输出轴4a 以及将振荡器1和接触体4加压接触的板簧5。 振荡器1根据接触体4的输出轴4a的中心与振动体1与接触体4接触的位置之间的距离的变化而沿加压方向移动, 板簧5的收缩变化,振荡器1与接触体4的接触面的压力发生变化。 因此,接触体4从振荡器1接收的驱动力变化,并且在接触体4的输出轴4a中产生的输出转矩也变化。 版权所有(C)2006,JPO&NCIPI

    Method of manufacturing vibrator
    9.
    发明专利
    Method of manufacturing vibrator 审中-公开
    制造振动器的方法

    公开(公告)号:JP2005328611A

    公开(公告)日:2005-11-24

    申请号:JP2004143405

    申请日:2004-05-13

    Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a vibrator for enabling downsizing while keeping the number of output revolutions and output torque. SOLUTION: A plurality of projections extended radially are formed by removing a part of a plate material, and the projections are erected in a direction orthogonal to a plate bent in the outward direction of the plate material, and tips of the adjacent projections are joined with each other by welding or brazing or the like, thereby forming the vibrator. COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:提供一种制造振动器的方法,用于在保持输出转数和输出转矩的同时实现小型化。 解决方案:通过去除板材的一部分而形成多个突出的突出部,并且突起在垂直于在板材向外弯曲的板的方向上竖立,并且相邻突起的尖端 通过焊接或钎焊等彼此接合,从而形成振动器。 版权所有(C)2006,JPO&NCIPI

    振動装置、該振動装置を有する駆動装置、塵埃除去装置及び光学機器
    10.
    发明专利
    振動装置、該振動装置を有する駆動装置、塵埃除去装置及び光学機器 审中-公开
    振动装置,具有振动装置的驱动装置,除尘装置和光学装置

    公开(公告)号:JP2015027671A

    公开(公告)日:2015-02-12

    申请号:JP2014180508

    申请日:2014-09-04

    Abstract: 【課題】振動によって塵埃を含む対象物を、効率よく所定の方向に移動させることが可能となる振動装置等の提供。【解決手段】複数の電気機械エネルギ変換素子2a,2b,2c,2dを有する振動体3を備え、複数の節線が並ぶ次数の異なる第1の定在波および第2の定在波を、所定の時間位相差を設けて重ね合わせた振動を振動体3に発生させる振動装置であって、複数の節線は、第1の方向に延在し、第1の方向と交差する第2の方向に並び、電気機械エネルギ変換素子2c、2dは、第1の電極及び第2の電極を有し、第1の電極と前記第2の電極は間をあけて前記第2の方向に並んでおり、第1の電極と前記第2の電極の間に、複数の節線の内の1つである第1の節線があり、第2の電極は、第1の節線と、第1の節線と隣合う第2の節線との間にある構成とする。【選択図】図3

    Abstract translation: 要解决的问题:提供一种振动装置等,其能够通过振动将包括灰尘的物体有效地移动到预定方向。解决方案:振动装置包括:振动体3,其包括多个机电能量转换元件2a,2b, 2c和2d,并且使得振动体3产生具有第一驻波和第二驻波的振动,具有排列并且具有不同程度的多个节点线,并以预定的时间相位相互重叠。 多个节点线在第一方向上延伸并且沿与第一方向交叉的第二方向排列。 机电能量转换元件2c,2d各自具有在第二方向上间隔排列的第一电极和第二电极; 并且作为多个节点线之一的第一节点线存在于第一电极和第二电极之间,并且第二电极存在于第一节点线和邻接第一节点线的第二节点线之间。

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