Motor
    21.
    发明授权
    Motor 有权
    发动机

    公开(公告)号:US06411003B1

    公开(公告)日:2002-06-25

    申请号:US09679808

    申请日:2000-10-05

    CPC classification number: H02K37/18 H02K37/14

    Abstract: A rotor magnet includes a first polarized layer alternately polarized into different poles while being circumferentially divided into n parts, and a second polarized layer alternately polarized into different poles. An advance phase angle as &thgr;1 with respect to the first polarized layer is set and the magnet is circumferentially divided into n parts. First and second coils are disposed in an axial direction of the rotor magnet. A first outer magnetic pole and a first inner magnetic pole, which are a first stator excited by the first coil, are opposed to an outer peripheral surface and an inner peripheral surface of the rotor, and a second outer magnetic pole, and a second inner magnetic pole which are a second stator excited by the second coil, are opposed to an outer peripheral surface and an inner peripheral surface of the rotor. When a lag phase angle of the second stator with respect to the first stator is set to &thgr;2, the first and second polarized layers and the first and second stators are positioned so that &thgr;1+&thgr;2 are larger than 180/n degrees. As a result, the power output of the motor is enhanced.

    Abstract translation: 转子磁体包括交替极化成不同极的第一极化层,同时被圆周地分成n个部分,以及交替极化成不同极的第二极化层。 设置相对于第一偏振层的θ1相对于第一偏振层的推进相位角,将磁体圆周地分割为n个部分。 第一和第二线圈沿转子磁体的轴向设置。 作为由第一线圈激励的第一定子的第一外磁极和第一内磁极与转子的外周面和内周面以及第二外磁极和第二内磁极 作为由第二线圈激励的第二定子的磁极与转子的外周面和内周面相对。 当第二定子相对于第一定子的滞后相位角被设置为θ2时,第一和第二偏振层以及第一和第二定子被定位成使得θ1+θ2大于180 / n度。 结果,电动机的功率输出增强。

    Camera
    22.
    发明授权
    Camera 失效
    相机

    公开(公告)号:US6125240A

    公开(公告)日:2000-09-26

    申请号:US453805

    申请日:1995-05-30

    Inventor: Chikara Aoshima

    CPC classification number: G03B17/24

    Abstract: A camera includes a magnetic head for performing writing and/or reading of information on film. The magnetic head is movable between a position proximate the film (e.g., pressed to it) for performing a read/write operation and a position remote or withdrawn from the film. The camera further includes an operating member movable between a first position and a second position, such as a lens cover movable between a position covering the lens and a position uncovering the lens, and means for synchronizing, e.g., by mechanically interconnecting, movement of the magnetic head between the first and second position, and movement of the operating member between the first and second positions.

    Abstract translation: 相机包括用于执行关于电影的信息的写入和/或读取的磁头。 磁头可以在靠近胶片的位置(例如,被按压到其上)之间移动,用于执行读/写操作和远离或从胶片中取出的位置。 照相机还包括可在第一位置和第二位置之间移动的操作构件,诸如在覆盖透镜的位置和露出透镜的位置之间可移动的透镜盖,以及用于通过机械地互连来同步 在第一和第二位置之间的磁头以及操作构件在第一和第二位置之间的运动。

    Motor
    23.
    发明授权
    Motor 失效
    发动机

    公开(公告)号:US06081053A

    公开(公告)日:2000-06-27

    申请号:US110147

    申请日:1998-07-06

    CPC classification number: H02K21/125 H02K2201/12

    Abstract: A motor of an increased output is provided by forming a rotor, composed of a permanent magnet circumferentially divided into equal sections and alternately magnetized in different magnetic poles, in a cylindrical shape, positioning a first coil, the rotor and a second coil along the axial direction of the rotor, providing a first outer magnetic pole and a first inner magnetic pole, magnetized by the first coil, in opposed relationship, respectively, to the external and internal peripheries of the rotor, also providing a second outer magnetic pole and a second inner magnetic pole, magnetized by the second coil, in opposed relationship respectively to the external and internal peripheries of the rotor and positioning the first outer magnetic pole and the second outer magnetic pole in an axially opposed relationship with a mutual displacement by a predetermined phase angle, or forming the ends of the first and second outer magnetic poles in a tapered shape, thereby decreasing the leaking magnetic flux.

    Abstract translation: 增加输出的电动机通过形成一个转子,该转子由永久磁铁构成,永磁体被圆周地分成等分段,并以不同的磁极交替地磁化成圆柱形,将第一线圈,转子和第二线圈沿轴向 转子的方向,分别以与转子的外周和内周相对的关系提供由第一线圈磁化的第一外磁极和第一内磁极,还提供第二外磁极和第二外磁极 由第二线圈磁化的内磁极分别与转子的外周和内周相对地相互关系,并将第一外磁极和第二外磁极定位成轴向相对的关系,互相位移预定的相位角 或者形成第一和第二外部磁极的端部呈锥形,从而减少泄漏 磁通量。

    Motor
    24.
    发明授权
    Motor 失效
    发动机

    公开(公告)号:US5973425A

    公开(公告)日:1999-10-26

    申请号:US022474

    申请日:1998-02-12

    Inventor: Chikara Aoshima

    CPC classification number: H02K7/116 H02K37/12 H02K3/525

    Abstract: A motor includes a rotor having a permanent magnet circumferentially equally divided and alternately magnetized to different poles formed into a cylindrical shape, and a first coil. The rotor and a second coil may be successively disposed axially of the rotor. A first outer magnetic pole and a first inner magnetic pole excited by the first coil may be opposed to the outer peripheral surface and the inner peripheral surface of the rotor, and a second outer magnetic pole and a second inner magnetic pole excited by the second coil may be opposed to the outer peripheral surface and the inner peripheral surface of the rotor. The rotor has an output transmitter, such as a gear or a pulley, mounted on the outer peripheral surface of the central portion thereof.

    Abstract translation: 电动机包括具有周向等分并交替磁化成形成为圆筒形的不同极的永磁体的转子和第一线圈。 转子和第二线圈可以连续地布置在转子的轴向上。 由第一线圈激励的第一外磁极和第一内磁极可以与转子的外周面和内周面相对,第二外磁极和由第二线圈激励的第二内磁极 可以与转子的外周面和内周面相对。 转子具有安装在其中心部分的外周表面上的输出变送器,例如齿轮或皮带轮。

    Camera with magnetic head prevented from contacting film during image
recording
    25.
    发明授权
    Camera with magnetic head prevented from contacting film during image recording 失效
    具有磁头的相机在图像记录期间防止接触胶片

    公开(公告)号:US5729780A

    公开(公告)日:1998-03-17

    申请号:US744505

    申请日:1996-11-07

    Inventor: Chikara Aoshima

    CPC classification number: G03B17/24 G03B2217/244

    Abstract: A camera or an apparatus adapted for a camera includes an operation unit for performing at least one of write and read operations of information with respect to an image recording medium, and an interlocking unit, interlocked with movement of an optical unit, for preventing the operation unit and the image recording medium from contacting each other at least while an image is being recorded in the image recording medium.

    Abstract translation: 相机或适用于相机的装置包括操作单元,用于执行关于图像记录介质的信息的写入和读取操作中的至少一个以及与光学单元的移动互锁的互锁单元,用于防止操作 至少在图像被记录在图像记录介质中时,单元和图像记录介质彼此接触。

    Shutter device for camera
    26.
    发明授权
    Shutter device for camera 失效
    相机快门装置

    公开(公告)号:US5335036A

    公开(公告)日:1994-08-02

    申请号:US24679

    申请日:1993-03-01

    Inventor: Chikara Aoshima

    CPC classification number: G03B9/08 G03B9/22

    Abstract: A shutter device for a camera includes shutter blades arranged to be movable to a first position in which the shutter closes and to a second position in which the shutter opens, and a switching part arranged to change a clearance provided between the shutter blades along an optical axis from a first state over to a second state in which the clearance is narrower than in the first state.

    Abstract translation: 用于相机的快门装置包括快门叶片,其被布置成可移动到快门关闭的第一位置和快门打开的第二位置;以及切换部分,其布置成沿着光学器件改变设置在快门叶片之间的间隙 轴从第一状态到第二状态,其中间隙比第一状态窄。

    Drive apparatus
    28.
    发明授权
    Drive apparatus 有权
    驱动装置

    公开(公告)号:US08508161B2

    公开(公告)日:2013-08-13

    申请号:US13595205

    申请日:2012-08-27

    CPC classification number: H02P6/14

    Abstract: A drive apparatus includes a magnet rotor having a plurality of magnetic poles that are magnetized, a stator having a magnetic pole portion that opposes each pole of the magnet rotor, a coil configured to excite the magnetic pole portion, a position detector configured to detect a position of the magnet rotor, a first driver configured to switch an electrification state of the coil in accordance with a preset time interval, a second driver configured to switch an electrification state of the coil in accordance with an output of the position detector, and a controller configured to select the first driver when the output of the position detector is less than a first threshold, and to select the second driver when the output of the position detector is equal to or larger than the first threshold.

    Abstract translation: 一种驱动装置,具备:具有多个被磁化的磁极的磁体转子,具有与上述磁铁转子的各极相对的磁极部的定子,构成为激励上述磁极部的线圈;位置检测器, 磁体转子的位置,配置成根据预设时间间隔切换线圈的通电状态的第一驱动器,被配置为根据位置检测器的输出切换线圈的通电状态的第二驱动器,以及 控制器被配置为当位置检测器的输出小于第一阈值时选择第一驱动器,并且当位置检测器的输出等于或大于第一阈值时选择第二驱动器。

    Driving device, optical apparatus, and image pickup apparatus

    公开(公告)号:US07881602B2

    公开(公告)日:2011-02-01

    申请号:US12035876

    申请日:2008-02-22

    Inventor: Chikara Aoshima

    CPC classification number: G03B3/10 G02B7/102 G03B3/02 H02K7/14 H02K41/03

    Abstract: A driving device which is capable of increasing a driving speed at which an object to be driven is driven, enhancing quietness in driving the object to be driven, and positioning the object to be driven with high accuracy. A hollow cylindrical magnet (1) extends along an optical axis, and a plurality of magnetized parts (1a to 1j) spirally extend along the outer peripheral surface of the magnet. A first yoke (2), a second yoke (3), a third yoke (7), and a fourth yoke (8) are formed of a soft magnetic material, and each of the yokes has five magnetic pole teeth (2a to 2e, 3a to 3e, 7a to 7e, or 8a to 8e) each disposed in opposed relation to a corresponding one of the magnetized parts of the magnet. A lens holder (12) holds the object to be driven and supports the magnet such that the magnet is movable along the optical axis. First and second coils (5, 10) for magnetizing the first and second yokes, respectively, are energized to move the magnet along the lens holder in the direction along the predetermined axis to thereby drive the object to be driven.

    BRUSHLESS DC MOTOR AND IMAGE PICKUP APPARATUS
    30.
    发明申请
    BRUSHLESS DC MOTOR AND IMAGE PICKUP APPARATUS 有权
    无刷直流电动机和图像拾取装置

    公开(公告)号:US20090200972A1

    公开(公告)日:2009-08-13

    申请号:US12362537

    申请日:2009-01-30

    CPC classification number: H02P6/16

    Abstract: A brushless DC motor configured to drive a driven member includes a rotor having a magnet, a stator having a coil configured to provide a rotational force to the magnet, a position detector configured to output a first signal that is periodic, in accordance with a rotating position of the rotor, a signal generator configured to generate a second signal by adding a lead angle to a phase of the first signal output from the position detector, an excitation switch configured to select an excitation to the coil in accordance with the second signal, and a phase change part configured to change the lead angle in accordance with at least one of a position and a moving direction of the driven member.

    Abstract translation: 构造成驱动从动构件的无刷直流电动机包括具有磁体的转子,具有被配置为向磁体提供旋转力的线圈的定子,位置检测器,被配置为输出周期性的第一信号, 转子的位置;信号发生器,被配置为通过将相对于从位置检测器输出的第一信号的相位加上引导角来产生第二信号;激励开关,被配置为根据第二信号向线圈选择激励, 以及相位改变部,被配置为根据所述从动部件的位置和移动方向中的至少一个来改变所述引导角。

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