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    • 51. 发明申请
    • LINEAR DRIVING DEVICE
    • 线性驱动装置
    • US20110101826A1
    • 2011-05-05
    • US12913121
    • 2010-10-27
    • Manabu ShirakiJunichi Tada
    • Manabu ShirakiJunichi Tada
    • H02N2/04
    • H02N2/025G02B7/102H01L41/0973
    • In a linear driving device 7, in which a driving shaft 21 vibrates in an axial direction by a vibration member 17, as a result of which a movable body 3 that is frictionally contact with the driving shaft 21 slides along the axial direction of the driving shaft 21, the vibration member 17 includes a piezoelectric element 23 and a vibrator 19 made of a metal plate having elasticity; the vibrator 19 is fixed to the piezoelectric element 23 by superimposing plate faces thereof; the driving shaft 21 has a trunk 25 along which the movable body 3 slides, and an end portion 26 to be fixed to the vibrator 19; a base surface 24 of the end portion 26 abuts with and is fixed to the vibrator 19; and an area of the base surface 24 is smaller than a cross sectional area of the trunk 25.
    • 在驱动轴21通过振动部件17沿轴向振动的直线驱动装置7中,与驱动轴21摩擦接触的移动体3的结果沿着驱动轴线方向滑动 轴21,振动部件17包括压电元件23和由具有弹性的金属板制成的振动器19; 振动器19通过叠加板面而固定在压电元件23上; 驱动轴21具有可移动体3沿其滑动的躯干25和固定到振动器19的端部26; 端部26的基面24邻接并固定到振动器19; 并且基面24的面积小于主体25的横截面面积。
    • 52. 发明申请
    • LENS DRIVING DEVICE, CAMERA, AND CAMERA-EQUIPPED CELLULAR PHONE
    • 镜头驱动装置,摄像机和摄像机配备的蜂窝电话
    • US20110090580A1
    • 2011-04-21
    • US12906480
    • 2010-10-18
    • Manabu ShirakiKoji Toyama
    • Manabu ShirakiKoji Toyama
    • G02B7/04
    • G02B7/08G02B7/022G02B7/023G02B13/001H04N5/2257
    • A lens driving device 1 is provided, in which a spring 11 includes an outer ring portion 11b that is fixed to a body 5, an inner ring portion 11a that is fixed to a lens support 7, and an arm portion 11c that connects the outer ring portion 11b and the inner ring portion 11a, and the lens support 7 is moved in an optical axis direction of a lens by way of an electromagnetic force that is generated by applying electric current to a coil 15 from a terminal member 6, the terminal member 6 including a superimposed portion 6a that is superimposed on the outer ring portion of 11b of the spring 11, and a power supply terminal 6b that protrudes from the superimposed portion 6a, and the terminal member 6 disposing the superimposed portion 6a between the outer ring portion 11b of the spring and the body 5.
    • 提供了一种透镜驱动装置1,其中弹簧11包括固定到主体5的外环部分11b,固定到透镜支撑件7的内环部分11a和连接外壳的臂部分11c 环形部分11b和内环部分11a,并且透镜支架7通过从端子构件6向线圈15施加电流而产生的电磁力在透镜的光轴方向上移动,该端子 包括重叠在弹簧11的11b的外圈部分上的重叠部分6a的构件6和从重叠部分6a突出的电源端子6b,以及将重叠部分6a设置在外圈之间的端子构件6 弹簧的部分11b和主体5。
    • 53. 发明授权
    • Lens drive device
    • 镜头驱动装置
    • US07724455B2
    • 2010-05-25
    • US11992316
    • 2006-10-31
    • Manabu ShirakiJunichi Tada
    • Manabu ShirakiJunichi Tada
    • G02B7/02
    • G02B7/102
    • A lens drive device having a simple structure and small sized. The lens drive device (1) has a lens holder (3, 5), a drive shaft (21) into which one end of the lens holder (3, 5) is fitted and placed along the direction of the optical axis of lenses (14, 16), and a piezo element (17) provided at a base end (21a) of the drive shaft (21). The base end (21a) of the drive shaft (21) is fixed to a vibrator (19) of the piezo element (17), and the drive shaft (21) is vibrated in the direction of its axis by vibration of the vibrator (19) produced by conducting a pulse current to the piezo element (17). The lens holder (3, 5) is moved in the optical axis direction by using repetition of inertia force and friction force of the holder relative to the drive shaft (21).
    • 具有结构简单,体积小的透镜驱动装置。 透镜驱动装置(1)具有透镜架(3,5),驱动轴(21),透镜保持架(3,5)的一端沿着透镜的光轴方向嵌合并配置在该驱动轴 14,16)和设置在驱动轴(21)的基端(21a)的压电元件(17)。 驱动轴(21)的基端(21a)固定在压电元件(17)的振动器(19)上,驱动轴(21)通过振动器的振动沿其轴线方向振动( 19)通过向压电元件(17)施加脉冲电流而产生。 通过重复惯性力和保持器相对于驱动轴(21)的摩擦力,透镜架(3,5)沿光轴方向移动。
    • 54. 发明授权
    • Lens driving apparatus
    • 镜头驱动装置
    • US07649703B2
    • 2010-01-19
    • US11346233
    • 2006-02-03
    • Manabu ShirakiNaoki Sekiguchi
    • Manabu ShirakiNaoki Sekiguchi
    • G02B7/02G11B7/00G03B13/00G03B13/34
    • G02B7/08H02K41/0356
    • A lens driving apparatus 1 of the present invention includes a substantially cylindrical yoke 3; a base 5 to which the yoke 3 is attached; a carrier 7 having a lens; a coil 10; and a magnet 13, wherein the carrier 7 is moved in a direction of an optical axis of a lens by electromagnetic force generated by passing current through the coil 10, the base 5 is substantially square-shaped as viewed from a plane, the yoke 3 is placed at an inner position of the base 5, the yoke 3 has an outer peripheral wall 3a and an annular inner peripheral wall 3b to be spaced to each other, each magnet is placed between the outer peripheral wall and the inner peripheral wall and at a position corresponding to a base corner portion of the base 5, and a space between the outer peripheral wall 3a and the inner peripheral wall 3b positioned at a base side portion 3e is made narrower than a space between the outer peripheral wall 3a and the inner peripheral wall 3b positioned at the base corner portion.
    • 本发明的透镜驱动装置1包括大致圆柱形的轭3; 轭3所附接的基座5; 具有透镜的载体7; 线圈10; 和磁体13,其中载体7通过电流通过线圈10产生的电磁力在透镜的光轴方向上移动,基座5从平面观察时大体上为正方形,轭3 放置在基座5的内部位置时,磁轭3具有彼此间隔开的外周壁3a和环形内周壁3b,每个磁体位于外周壁和内周壁之间,并且在 与基座5的基部角部对应的位置以及位于基部侧部3e的外周壁3a与内周壁3b之间的空间比外周壁3a和内周侧壁3a之间的间隙窄。 位于基角部的周壁3b。
    • 55. 发明授权
    • Lens driving apparatus
    • 镜头驱动装置
    • US07394603B2
    • 2008-07-01
    • US10926221
    • 2004-08-26
    • Manabu ShirakiSatoshi AsakawaNaoki SekiguchiMorimasa Yoshie
    • Manabu ShirakiSatoshi AsakawaNaoki SekiguchiMorimasa Yoshie
    • G02B7/02G02B15/14
    • G02B7/102G02B7/08G02B7/282
    • A lens driving apparatus includes: a first yoke having an inner peripheral wall and an outer peripheral wall placed to be concentric with each other and forming a rectangular U-shape cross section and a cylindrical shape; a second yoke placed at an outer side of the first yoke to be concentric with the first yoke and forming a rectangular U-shape cross section and a cylindrical shape; a base; a first magnet and a first coil arranged in a rectangular U-shape interior of the first yoke; a second magnet and a second coil arranged in a rectangular U-shape interior of the second yoke; a first lens support member; and a second lens support member. The second lens support member is placed at an inner peripheral side of the second yoke and has the second coil fixed onto an outer periphery thereof. The first lens support member is linearly moved in a direction of an optical axis of a lens by an electromagnetic force caused by passing current through the first coil. The second lens support member is linearly moved in a direction of an optical axis of a lens by an electromagnetic force caused by passing current through the second coil.
    • 透镜驱动装置包括:第一磁轭,具有设置成彼此同心的内周壁和外周壁,并形成矩形的U形横截面和圆柱形; 放置在与第一磁轭同心的第一磁轭的外侧的形成矩形的U形横截面和圆筒形的第二磁轭; 一个基地 布置在所述第一磁轭的矩形U形内部的第一磁体和第一线圈; 布置在所述第二磁轭的矩形U形内部的第二磁体和第二线圈; 第一透镜支撑构件; 和第二透镜支撑构件。 第二透镜支撑构件被放置在第二磁轭的内周侧,并且具有固定在其外周上的第二线圈。 第一透镜支撑构件通过由通过第一线圈的电流引起的电磁力在透镜的光轴的方向上线性移动。 第二透镜支撑构件通过由通过第二线圈的电流引起的电磁力在透镜的光轴的方向上线性移动。
    • 56. 发明授权
    • Magnetic position detecting apparatus
    • 磁性位置检测装置
    • US07071681B1
    • 2006-07-04
    • US11265155
    • 2005-11-03
    • Manabu ShirakiJunichi Tada
    • Manabu ShirakiJunichi Tada
    • G01R33/09G01B7/14G01B7/30
    • G01D5/2451G01D5/24476G01D5/24485
    • In a position detecting apparatus 1 of the present invention, magnetic resistance circuits A and B of a first main circuit 10 include a reference magnetic resistance element +A, an even harmonic correction magnetic resistance element +A3, being placed at a position shifted by (1/4)λ or (3/4)λ from the reference magnetic resistance element +A, with respect to a reference wave, and a third harmonic correction magnetic resistance element +A2, being placed at a position shifted by (1/6)λ from the reference magnetic resistance element, with respect to a reference wave, and magnetic resistance circuits A′ and B′ of a second main circuit 20 include the magnetic resistance circuit of the second main circuit 20 includes a reference magnetic resistance element +A′1, a fifth harmonic correction magnetic resistance element +A′2, being placed at a position shifted by (1/10)λ from the adjacent magnetic resistance element, with respect to a reference wave and a fifth harmonic correction magnetic resistance element +A′2, being placed at a position shifted by (4/15)λ from the reference magnetic resistance element +A′1, with respect to a third harmonic wave.
    • 在本发明的位置检测装置1中,第一主电路10的磁阻电路A和B包括基准磁阻元件+ A,均匀谐波校正磁阻元件+ A 3,位于偏移位置 相对于参考波的参考磁阻元件+ A的三角谐波校正磁阻元件+ A 2被放置在偏移(1)的位置处的(1/4)λ或(3/4) / 6)λ相对于参考波而言,第二主电路20的磁阻电路A'和B'包括第二主电路20的磁阻电路包括参考磁阻元件 + A'1,五相谐波校正磁阻元件+ A'2,相对于基准波和第五谐波被放置在从相邻的磁阻元件偏移了(1/10)λ的位置 校正磁阻元件+ A'2相对于三次谐波被放置在从基准磁阻元件+ A'1偏移(4/15)λ的位置。
    • 57. 发明授权
    • Electromagnetic actuator
    • 电磁执行器
    • US06608541B2
    • 2003-08-19
    • US10190570
    • 2002-07-09
    • Manabu ShirakiNaoki SekiguchiMakoto FujiiNoriyuki WashioKatsu Okubo
    • Manabu ShirakiNaoki SekiguchiMakoto FujiiNoriyuki WashioKatsu Okubo
    • H01F708
    • H04R9/06H04R2400/03
    • An electromagnetic actuator comprises: a magnet; a pole piece mounted to the magnet; a yoke facing the pole piece; a coil base having a vibration coil; leaf springs for supporting the coil base and a weight; a case for enclosing them; a cover for covering one side of the case; and a diaphragm having a voice coil, wherein the arms of the coil base are inserted through notches formed in the yoke, and the vibration coil and the voice coil is disposed in a gap in which the pole piece and the yoke face each other. The weight vibrates by the application of a low-frequency current to the vibration coil, and the diaphragm vibrates by the application of a high-frequency current to the voice coil.
    • 电磁致动器包括:磁体; 安装在磁铁上的极片; 面对极片的磁轭; 具有振动线圈的线圈座; 用于支撑线圈底座和重量的板簧; 封闭它们的情况; 用于覆盖壳体的一侧的盖子; 以及具有音圈的隔膜,其中,所述线圈座的臂通过形成在所述轭中的切口插入,并且所述振动线圈和所述音圈设置在所述极靴和所述轭的彼此面对的间隙中。 重量通过对振动线圈施加低频电流而振动,并且振膜通过向音圈施加高频电流而振动。
    • 59. 发明授权
    • Linear direct current motor
    • 线性直流电动机
    • US5225725A
    • 1993-07-06
    • US761888
    • 1991-09-18
    • Manabu ShirakiOsami MiyaoMasayuki OhsakaMasayuki FujiwaraDaishi Yamaguchi
    • Manabu ShirakiOsami MiyaoMasayuki OhsakaMasayuki FujiwaraDaishi Yamaguchi
    • H02K41/02
    • H02K41/031
    • Disclosed herein is a linear d.c. motor comprising a field magnet composed of plural magnetic poles, and an armature formed by arranging armature coils along the moving direction of a moving element at a position facing the field magnet. One of the field magnet and armature is attached to the moving element, and the other is provided on a stator yoke serving as a stator. Projecting edges for linear guide, each of which projects outside and has a triangular form in cross section, are provided on both sides of the stator yoke, and guide rollers, each of which has an engaging groove in the form of a valley in its side part coming into slidable contact with the projecting edge for linear guide, are attached to the moving element. There is no possibility that the moving element is derailed because it is supported by the projecting edges of linear guide and the guide rollers. It is therefore possible to make the thrust of the moving element greater and cause it to travel at high speed.
    • 本文公开的是线性直流 电动机,其包括由多个磁极构成的场磁体,以及电枢,其通过沿着与磁场磁体相对的位置沿着移动元件的移动方向布置电枢线圈而形成。 场磁体和电枢中的一个附接到移动元件,另一个设置在用作定子的定子轭上。 在定子磁轭的两侧设置有各自在外侧突出并具有三角形的直线导轨的突出边缘,每个导向辊在其侧面具有谷状形状的接合槽 与用于线性引导件的突出边缘滑动接触的部分附接到移动元件。 移动元件不会脱轨,因为它由直线导轨和导辊的突出边缘支撑。 因此,可以使移动元件的推力更大并使其高速行驶。