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    • 51. 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。
    • 52. 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。
    • 53. 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。
    • 55. 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。
    • 57. 发明授权
    • Five-phase dc motor with non-overlapping armature windings
    • 具有非重叠电枢绕组的五相直流电机
    • US4876472A
    • 1989-10-24
    • US198747
    • 1988-05-25
    • Manabu ShirakiNorimitsu Hirano
    • Manabu ShirakiNorimitsu Hirano
    • H02K23/26
    • H02K23/26Y10T29/49012
    • A 5-phase dc motor which can be mass-produced readily at a reduced cost. The motor comprises a field magnet having four alternate north and south magnetic poles of an equal angular width, a rotor including a rotor armature core having five rotor pole shoes formed in an angularly equidistantly spaced relationship by an electrical angle of 144 degrees, a commutator including ten commutator segments provided successively on the rotor, and a pair of brushes disposed in a spaced relationship by an angular distance of 180.degree. electrical and for sliding contact with the commutator. A single conductor is electrically connected to the commutator segments and wound on the rotor pole shoes in a predetermined specific sequence to form armature windings which do not overlap with any other armature windings.
    • 一种5相直流电动机,可以以较低的成本容易地批量生产。 电动机包括具有相等角度宽度的四个交替的北和南磁极的磁场磁体,转子包括转子电枢铁芯,该转子电枢铁芯具有以角度等距离间隔的关系形成144度的电角度的五个转子极靴,换向器包括 在转子上连续设置的十个换向器片和一对电刷,其间隔开180度的角距离并与换向器滑动接触。 单个导体电连接到换向器片段并以预定的特定顺序卷绕在转子极靴上,以形成不与任何其它电枢绕组重叠的电枢绕组。
    • 58. 发明授权
    • Unidirectional brushless motor
    • 单向无刷电机
    • US4804873A
    • 1989-02-14
    • US83007
    • 1987-08-06
    • Manabu ShirakiOsami Miyao
    • Manabu ShirakiOsami Miyao
    • H02K29/00H02K29/08H02K21/08H02K11/00
    • H02K29/08
    • An inexpensive brushless motor including a single position detecting element can start itself and can rotate smoothly with good efficiency and reduced noise. The motor comprises a stator core having T-shaped radial stator poles with driving coils wound on all or some of the stator poles. A field magnet having driving alternate N and S magnetic pole zones is mounted for rotation in an opposing relationship to circumferential faces of the stator poles of the stator core. A cogging generating magnetic plate is located in an opposing relationship below the field magnet and has a cutaway portion formed therein which has a suitable angular width such that the magnetic plate may generate a cogging, to move the field magnet by attraction therebetween to a position other than any dead point, and from which the field magnet can start itself. The single position-detecting element is located such that it may detect no dead point upon starting of the motor.
    • 包括单个位置检测元件的便宜的无刷电动机可以自身启动并且可以以良好的效率和降低的噪音平稳地旋转。 电动机包括具有T形径向定子极的定子芯,驱动线圈缠绕在所有或某些定子极上。 具有驱动交替的N和S磁极区的场磁体被安装成与定子铁心的定子极的圆周面相对旋转。 齿槽发生磁板位于场磁体下面的相对关系中,并且具有形成在其中的切口部分,其具有合适的角宽度,使得磁板可以产生齿槽,以通过其间的吸引力将场磁体移动到其它位置 比任何死点,磁铁可以从这个点开始。 单个位置检测元件被定位成使得其可以在马达启动时检测无死点。
    • 60. 发明授权
    • Direct current motor
    • 直流电机
    • US4404485A
    • 1983-09-13
    • US273328
    • 1981-06-15
    • Itsuki BanManabu ShirakiKazuhito Egami
    • Itsuki BanManabu ShirakiKazuhito Egami
    • H02K13/14H02K23/38
    • H02K13/14H02K23/38
    • A direct current motor comprising a field magnet provided with 2n magnetic poles which are magnetized with the same angular intervals as those of the magnetic poles N and S, where n is an integer of 1 or more; a magnetic member for closing the magnetic circuit of the magnetic poles of the field magnet; a plurality of armature coils in such a manner that the angular intervals of the electrically conductive portions thereof, contributing to the generation of torque in the armature coils, are substantially equal to the magnetic pole width of the field magnet; electric power supply control device to which the terminals of the armature coils are connected; short-circuit members for short-circuiting the winding initiation terminals of predetermined armature coils and the winding end terminals of other predetermined armature coils through the electric power supply control device; an armature comprising armature coils in the first series and armature coils in the second series through which the short-circuit members and the plurality of armature coils are connected in parallel to the positive pole and negative pole of a DC power source, the armature positioned so as to face the field magnet; and a rotating shaft for rotatably supporting the armature or the filed magnet, the rotating shaft rotatably supported by bearings disposed on an outer casing of the direct current motor.
    • 一种直流电动机,其特征在于,包括具有与磁极N,S相同的角度间隔磁化的2n个磁极的磁场磁体,n为1以上的整数, 用于封闭场磁体的磁极的磁路的磁性构件; 多个电枢线圈,使得有助于在电枢线圈中产生转矩的导电部分的角度间隔大致等于场磁体的磁极宽度; 电源线圈的端子连接的电力供给控制装置; 短路构件,用于使预定电枢线圈的绕组起始端子和其它预定电枢线圈的绕组端子通过电力供应控制装置短路; 电枢包括第一系列中的电枢线圈和第二系列中的电枢线圈,短路构件和多个电枢线圈并联连接到直流电源的正极和负极,衔铁定位成 面对磁场; 以及用于可旋转地支撑电枢或磁体的旋转轴,旋转轴由设置在直流电动机的外壳上的轴承可旋转地支撑。