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    • 13. 发明授权
    • Lens driving device, camera, and camera-equipped cellular phone
    • 镜头驱动装置,相机和配有手机的手机
    • US08164842B2
    • 2012-04-24
    • US12906480
    • 2010-10-18
    • Manabu ShirakiKoji Toyama
    • Manabu ShirakiKoji Toyama
    • G02B7/02
    • 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和连接外部部分的臂部分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。
    • 14. 发明申请
    • LENS DRIVING DEVICE, AUTOFOCUS CAMERA AND CAMERA-EQUIPPED MOBILE TERMINAL
    • 镜头驱动装置,自动对焦摄像机和摄像机移动终端
    • US20110286099A1
    • 2011-11-24
    • US13112320
    • 2011-05-20
    • Manabu ShirakiKazuhiro Ichikawa
    • Manabu ShirakiKazuhiro Ichikawa
    • G02B27/64G02B7/04
    • H02K41/0356G02B7/023G02B7/08G03B3/10G03B5/02G03B2205/0015G03B2205/0069
    • In the lens driving device of the present invention, at least two second coils are disposed at a 90 degree interval in a circumferential direction of a first coil wound around an outer circumference of a lens support in the circumferential direction, at least four magnets are provided at an inner circumferential side of a circumferential wall of a yoke and are provided at even intervals about the circumferential direction of the first coil, each magnet being provided so that an inner circumferential face is the same magnetic pole and opposes an outer circumferential face of the first coil, and in addition is opposite the second coil at the position of providing the second coil. When the lens support is moved in the optical axis direction, an electric current flows in the first coil, and when the lens support is moved in an X-Y direction orthogonal to the optical axis, a predetermined electric current flows in a predetermined second coil.
    • 在本发明的透镜驱动装置中,至少两个第二线圈沿圆周方向围绕透镜支架的外周围绕第一线圈的圆周方向以90度的间隔布置,至少提供四个磁体 在轭的周壁的内周侧,围绕第一线圈的圆周方向以均匀的间隔设置,每个磁体设置成使得内周面是相同的磁极并且与第一线圈的外周面相对 第一线圈,并且另外在提供第二线圈的位置处与第二线圈相对。 当透镜支架沿光轴方向移动时,电流在第一线圈中流动,并且当透镜支架沿与光轴正交的X-Y方向移动时,预定电流在预定的第二线圈中流动。
    • 15. 发明申请
    • Lens Drive Device
    • 镜头驱动装置
    • US20090161231A1
    • 2009-06-25
    • US11992316
    • 2006-10-31
    • Manabu ShirakiJunichi Tada
    • Manabu ShirakiJunichi Tada
    • G02B7/04
    • 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)具有透镜保持器(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放置在该驱动轴 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。
    • 16. 发明申请
    • Lens driving apparatus
    • 镜头驱动装置
    • US20070091199A1
    • 2007-04-26
    • US11346233
    • 2006-02-03
    • Manabu ShirakiNaoki Sekiguchi
    • Manabu ShirakiNaoki Sekiguchi
    • G03B13/00
    • 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 seeing 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, 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产生的电磁力沿透镜的光轴方向移动,基座5从平面看是大致正方形的,磁轭3是 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与内周壁之间, 在与基座5的基部角部相对应的位置,使外周壁3a与位于基部侧壁部3e的内周壁3b之间的间隔比外周壁3 a和位于基角部的内周壁3b。
    • 17. 发明授权
    • Magnetic encoder using magnetoresistive element
    • 磁编码器采用磁阻元件
    • US5036319A
    • 1991-07-30
    • US632627
    • 1990-12-26
    • Manabu ShirakiOsami MiyaoShoji FujisawaShunji Kawashima
    • Manabu ShirakiOsami MiyaoShoji FujisawaShunji Kawashima
    • G01D5/14G01D5/16G01D5/245H03M1/30
    • G01D5/145G01D5/2451H03M1/30
    • An magnetic encoder includes a multipolar magnetic body having a row of alternate North and South poles of equal widths, and a magnetoresistive element diposed in confrontation to the multipolar magnetic body. The magnetoresistive element includes at least one A phase magnetoresistive element member and at least one B phase magnetoresisitve element disposed in juxtaposition over ##EQU1## where n is an integer greater than or equal to 1, and .lambda. is a width of each individual pole of the multiplar magnetic body. Each of the A phase magnetoresistive element members and the B phase magnetoresistive element member has a group of series connected linear conductors arranged side-by-side into a comb-like shape. The A phase magnetoresistive element member extends over ##EQU2## and the B phase magnetoresistive element member is out of phase with the A phase magnetoresistive element member by ##EQU3##
    • 磁编码器包括具有相等宽度的交替的北极和南极的一行的多极磁体,以及与多极磁体对抗的磁阻元件。 磁阻元件包括至少一个A相磁阻元件和至少一个B相磁致伸缩元件,其以n为大于或等于1的整数设置,并且λ是每个单独的极的宽度 多磁体。 A相磁阻元件和B相磁阻元件各自具有并排配置成梳状形状的一组串联连接的线状导体。 A相磁阻元件构件通过延伸并且B相磁阻元件与A相磁阻元件构件异相,通过
    • 19. 发明授权
    • 1-phase self starting disk-type brushless motor with cogging element
    • 具有齿槽元件的1相自启动盘式无刷电机
    • US4724350A
    • 1988-02-09
    • US909720
    • 1986-09-22
    • Manabu ShirakiOsami Miyao
    • Manabu ShirakiOsami Miyao
    • H02K29/08H02K21/14
    • H02K29/08
    • A 1-phase disk-type brushless motor comprises a cogging-generating magnetic member or plate having a width substantially equal to the width of each pole of a magnet rotor and located at a specific position on a stationary printed circuit board so that the magnet rotor may stop with one pole thereof just opposed to the magnetic member, thereby assuring self-starting of the motor. The cogging generating magnetic member is shaped such that the volume or area may gradually decrease forwardly relative to the direction of rotation of the motor so that the cogging torque generated by the magnetic member may gradually increase upon starting of the motor, thereby assuring smooth rotation of the motor.
    • 1相盘型无刷电动机包括具有与磁转子的每个磁极的宽度大致相等的位于固定印刷电路板上的特定位置处的齿槽产生磁性构件或板,使得磁体转子 可以以与磁性构件相对的一个极止停,从而确保电动机的自启动。 齿槽发生磁性部件成形为使得体积或面积可以相对于电动机的旋转方向向下逐渐减小,使得由电动机起动时由磁性部件产生的齿槽转矩可以逐渐增加,从而确保平滑的旋转 电机。