公开(公告)号：US08659671B2

公开(公告)日：2014-02-25

申请号：US13336744

申请日：2011-12-23

Applicant: Kousuke Kiyamura ,  Hiromu Yasuda ,  Chikara Aoshima

Inventor： Kousuke Kiyamura ,  Hiromu Yasuda ,  Chikara Aoshima

IPC: H04N5/225 ,  H04N5/232 ,  G03B13/00 ,  G03B3/10 ,  G03B13/34

CPC classification number: G03B3/10 ,  H04N5/2253 ,  H04N5/23212 ,  H04N5/23245

Abstract: An optical apparatus having a recording mode that is switchable between motion picture recording and still picture recording includes an optical element, a motor that includes a rotor having a magnet, and a stator having a coil configured to provide a rotational force to the magnet, the motor being configured to drive the optical element, a position sensor configured to detect a position of the rotor of the motor, and a driving circuit configured to select, in accordance with the recording mode, first driving configured to switch an electrization to the coil in the motor in accordance with a determined time interval, or second driving configured to switch an electrization to the coil in the motor in accordance with an output of the position sensor.

Abstract translation: 具有在运动图像记录和静止图像记录之间切换的记录模式的光学装置包括光学元件，包括具有磁体的转子的电动机和具有向磁体提供旋转力的线圈的定子， 电动机被配置为驱动光学元件，配置为检测电动机的转子的位置的位置传感器，以及驱动电路，被配置为根据记录模式选择第一驱动，其被配置为将电气切换到线圈 电动机根据确定的时间间隔，或者第二驱动被配置为根据位置传感器的输出将电气切换到电动机中的线圈。

公开(公告)号：US07934877B2

公开(公告)日：2011-05-03

申请号：US12018102

申请日：2008-01-22

Applicant: Chikara Aoshima ,  Eriko Namazue ,  Makoto Miyawaki

Inventor： Chikara Aoshima ,  Eriko Namazue ,  Makoto Miyawaki

IPC: G03B9/02 ,  G02B9/08 ,  H04N5/238

CPC classification number: G03B9/06 ,  B29C65/1635 ,  B29C65/1677 ,  B29C65/1696 ,  B29C65/7802 ,  B29C66/1122 ,  B29C66/474 ,  B29C66/54 ,  B29C66/71 ,  B29C66/73116 ,  B29C66/73921 ,  B29C66/9161 ,  B29C66/919 ,  B29C66/91951 ,  B29K2067/00 ,  B29K2069/00 ,  B29K2709/08 ,  B29K2067/003 ,  B29K2059/00 ,  B29K2055/02

Abstract: A diaphragm blade includes a light-shielding, thin-plate blade base made of laser absorptive resin to regulate an aperture, and a first shaft portion made of laser transmissive resin and provided on one surface of the blade base. The first shaft portion includes a cylindrical member which is welded to the protruding weld portion, a protruding weld portion integrally formed with the blade base, and a recess formed at the back side of the protruding weld portion. The cylindrical member has a first recess defined at one end thereof near the blade base and coming into contact with the protruding weld portion, and a second recess defined at the other end. A contact surface of the protruding weld portion is melted with laser beam transmitted through the cylindrical member, whereby the protruding weld portion is welded to the cylindrical member.

Abstract translation: 光阑叶片包括由激光吸收树脂制成的遮光薄板叶片基座以调节孔径，以及设置在叶片基座的一个表面上的由激光透射树脂制成的第一轴部分。 第一轴部分包括焊接到突出焊接部分的圆柱形部件，与刀片基部一体形成的突出焊接部分和形成在突出焊接部分的后侧的凹部。 圆柱形构件具有在其一端限定在叶片底部附近并与突出焊接部分接触的第一凹部和在另一端限定的第二凹部。 突出焊接部分的接触表面通过穿过圆柱形部件的激光束熔化，从而将突出焊接部分焊接到圆柱形部件上。

公开(公告)号：US07899317B2

公开(公告)日：2011-03-01

申请号：US11255522

申请日：2005-10-21

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: G03B13/34

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.

Abstract translation: 能够提高被驱动体的驱动速度的驱动装置，能够提高驾驶对象的静音，高精度地定位被驱动体。 中空的圆柱形磁体（1）沿光轴延伸，并且多个磁化部分（1a至1j）沿着磁体的外周表面螺旋地延伸。 第一磁轭（2），第二磁轭（3），第三磁轭（7）和第四磁轭（8）由软磁材料形成，每个磁轭具有五个磁极齿（2a至2e ，3a至3e，7a至7e或8a至8e），每个与磁体的磁化部分相对应。 透镜保持架（12）保持要被驱动的物体并支撑磁体，使得磁体可沿光轴移动。 用于分别使第一和第二轭铁磁化的第一和第二线圈（5,10）被激励以使磁体沿着透镜保持器沿着预定轴线的方向移动，从而驱动被驱动物体。

公开(公告)号：US06800970B2

公开(公告)日：2004-10-05

申请号：US10434060

申请日：2003-05-09

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: H02K3710

CPC classification number: H02K37/14

Abstract: A motor includes a cylindrical magnet, first outer magnetic pole portions which are formed by gapping part of a cylinder from the distal end in the axial direction of the motor, and which oppose the outer circumferential surface of the magnet, second outer magnetic pole portions which are formed by gapping part of a cylinder from the distal end in the axial direction, and which oppose the outer circumferential surface of the magnet, first inner magnetic pole portions opposing the inner circumferential surface of the magnet, second inner magnetic pole portions opposing the inner circumferential surface of the magnet, a first coil which is located at a position between the first outer magnetic pole portions and the first inner magnetic pole portions in the axial direction of the magnet, and which excites the first outer magnetic pole portions, a second coil which is located between the second outer magnetic pole portions and the second inner magnetic pole portions on the side opposite the first coil in the axial direction of the magnet, and which excites the second outer magnetic pole portions, and an annular member which is in contact with the inner circumferential surface of the magnet, and which fits with at least the first inner magnetic pole portions or second inner magnetic pole portions.

Abstract translation: 电动机包括圆柱形磁体，第一外部磁极部分，其通过从电动机的轴向方向上的远端与磁体的外周表面相对地将气缸的一部分间隔开并形成，第二外部磁极部分 通过从轴的远端与轴的方向间隔开并与磁体的外周面相对的方式形成圆筒的一部分，与磁体的内周面相对的第一内磁极部，与内磁极的内周面相对的第二内磁极部 磁体的圆周面，位于第一外部磁极部和第一内部磁极部之间位于磁体轴向的位置并激发第一外部磁极部分的第一线圈，第二线圈 其位于第二外部磁极部分和第二内部磁极部分之间的相对侧上 e第一线圈在磁体的轴向方向上，并且激励第二外部磁极部分，以及环形部件，其与磁体的内周面接触，并且与至少第一内部磁极部分配合 或第二内部磁极部分。

公开(公告)号：US06719463B2

公开(公告)日：2004-04-13

申请号：US10442507

申请日：2003-05-21

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: G03B1700

CPC classification number: G03B7/10 ,  H02K26/00

Abstract: A feature of the present invention resides in that when a value of a ratio of a central angle of an outer magnetic pole portion to a central angle of each magnetized pole of a magnet portion is referred to as Y, and a value of a ratio of a thickness of the magnet portion in a diameter direction to a circumferential length of each magnetized pole of the magnet portion is referred to as X, the following condition is satisfied: −0.3X+0.63>Y.

Abstract translation: 本发明的特征在于，当将外磁极部分的中心角与磁体部分的每个磁化极的中心角的比率的值称为Y时，其比值 将磁体部分的直径方向的厚度与磁体部分的每个磁化极的圆周长度称为X，满足以下条件：

公开(公告)号：US06713985B2

公开(公告)日：2004-03-30

申请号：US09819863

申请日：2001-03-29

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: H02P800

CPC classification number: H02P8/22 ,  H02K7/116 ,  H02K37/12 ,  H02P8/30

Abstract: A driving apparatus for a stepping motor, especially which, in micro step driving, partly changes a combination of an energization value to each phase of a motor depending upon a rotational direction of the motor and accurately controls a stopping position of a driven object which is driven by the motor.

Abstract translation: 用于步进电动机的驱动装置，特别是在微步驱动中，根据电动机的旋转方向部分地改变电动机的各相的通电值的组合，并且精确地控制被驱动体的停止位置 由电机驱动。

公开(公告)号：US06591066B2

公开(公告)日：2003-07-08

申请号：US10183825

申请日：2002-06-27

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: G03B908

CPC classification number: G03B7/10

Abstract: For providing a motor having a reduced length in the axial direction, the motor of the present invention comprises a rotor having a cylindrical magnet having an outer surface divided into portions in a circumferential direction which are alternately magnetized to different poles, a first outer magnetic pole which is excited by a first coil and faces the outer surface of the magnet within a first predetermined angular range, a first inner magnetic pole which is excited by the first coil and faces an inner surface of the magnet, a second outer magnetic pole which is excited by a second coil and faces the outer surface of the magnet within a second predetermined angular range, and a second inner magnetic pole which is excited by the second coil and faces the inner surface of the magnet, wherein the first and second outer magnetic poles are positioned on the same circumference centered on the magnet.

Abstract translation: 为了提供轴向长度减小的电动机，本发明的电动机包括具有圆周磁体的转子，该圆柱形磁体具有沿圆周方向划分成不同极的外表面，第一外磁极 其由第一线圈激励并且在第一预定角度范围内面对磁体的外表面，由第一线圈激励并面向磁体的内表面的第一内磁极，第二外磁极， 由第二线圈激发并在第二预定角度范围内面对磁体的外表面，以及由第二线圈激励并面对磁体的内表面的第二内磁极，其中第一和第二外磁极 位于与磁铁相对的同一圆周上。

公开(公告)号：US06269226B1

公开(公告)日：2001-07-31

申请号：US09353232

申请日：1999-07-14

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: G03B900

CPC classification number: G03B9/10

Abstract: A shutter device includes first and second light blocking members arranged to be movable to vary the amounts of opening, first and second motors arranged to drive respectively the first and second light blocking members, and a control circuit arranged to individually control the driving actions of the first and second motors.

Abstract translation: 一种快门装置包括：第一和第二遮光构件，其布置成可移动以改变开口量，分别驱动第一和第二遮光构件的第一和第二电动机;以及控制电路， 第一和第二马达。

公开(公告)号：US06255749B1

公开(公告)日：2001-07-03

申请号：US09536755

申请日：2000-03-28

Applicant: Chikara Aoshima ,  Akira Kurosawa

Inventor： Chikara Aoshima ,  Akira Kurosawa

IPC: H02K3700

CPC classification number: H02K5/1672 ,  H02K1/145 ,  H02K1/2793 ,  H02K7/06 ,  H02K16/04 ,  H02K37/125 ,  H02K37/24

Abstract: A motor includes a magnet formed in a cylindrical shape and divided in the circumferential direction in at least the outer periphery and alternately polarized to different poles, a first coil, a magnet and a second coil placed in the axial direction of the magnet, a first outer magnetic pole opposed to the outer periphery of the magnet and a hollow-shaped first inner magnetic pole opposed to the inner periphery of the magnet, excited by the first coil respectively, a second outer magnetic pole opposed to the outer periphery of the magnet and a hollow-shaped second inner magnetic pole opposed to the inner periphery of the magnet, excited by the second coil respectively, a rotatable rotary shaft integral with the magnet, and a pressurizing device for pressurizing the rotary shaft in the axial direction, the pressurizing device being placed in the hollow cylindrical portion of the first inner magnetic pole. A motor having a high output, a compact shape and small working noises is provided.

Abstract translation: 一种电动机包括形成为圆筒形状的磁体，至少在外周沿圆周方向分隔，并且极化为不同的极，第一线圈，磁体和设置在磁体的轴向方向上的第二线圈， 与磁铁外周相对的外磁极和分别由第一线圈激励的与磁铁内周相对的中空状的第一内磁极，与磁铁外周相对的第二外磁极，以及 与所述第二线圈分别激励的与所述磁体的内周相对的中空形的第二内磁极，与所述磁体一体化的可旋转的旋转轴，以及用于沿所述轴向对所述旋转轴进行加压的加压装置，所述加压装置 放置在第一内部磁极的中空圆柱形部分中。 提供具有高输出，紧凑形状和小工作噪声的电动机。

公开(公告)号：US06172440B2

公开(公告)日：2001-01-09

申请号：US09290408

申请日：1999-04-13

Applicant: Toyoshige Sasaki ,  Chikara Aoshima

Inventor： Toyoshige Sasaki ,  Chikara Aoshima

IPC: H02K3700

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。 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。