公开(公告)号：US5969453A

公开(公告)日：1999-10-19

申请号：US14997

申请日：1998-01-28

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: H02K37/14 ,  H02K37/12 ,  H02K37/00

CPC classification number: H02K37/12

Abstract: In a motor, a rotor made of a permanent magnet which is equally divided in the circumferential direction to be alternately magnetized to different poles is formed into a cylindrical shape. The first coil, the rotor, and the second coil are sequentially arranged in the axial direction of the rotor. The first outer and inner magnetic poles excited by the first coil are set to oppose the outer and inner circumferential surfaces, respectively, of the rotor, and the second outer and inner magnetic poles excited by the second coil are set to oppose the outer and inner circumferential surfaces, respectively, of the rotor. The rotor is constituted by a rotor shaft, the permanent magnet, and an intermediate ring for holding the rotor shaft and the permanent magnet. The motor has good machinability.

Abstract translation: 在电动机中，由圆周方向等间隔地交替磁化成不同极的由永久磁铁构成的转子形成为圆筒状。 第一线圈，转子和第二线圈依次布置在转子的轴向上。 由第一线圈激励的第一外磁极和内磁极分别设置成与转子的外圆周表面和内圆周表面相对，并且由第二线圈激励的第二外磁极和内磁极设置成与外部和内部相对 转子的圆周表面。 转子由转子轴，永磁体和用于保持转子轴和永磁体的中间环构成。 电机具有良好的机械加工性。

公开(公告)号：US5742858A

公开(公告)日：1998-04-21

申请号：US227994

申请日：1994-04-15

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: G03B17/24

CPC classification number: G03B17/24 ,  G03B2217/244

Abstract: A camera has a closable rear lid, and an information processing unit for performing at least one of (i) writing information to a recording medium provided in a film, and (ii) reading information from the recording medium. The camera includes a movable member movable between a first position and a second position. At the first position, the information processing unit is separated from the film. At the second position, the movable member urges the film against the information processing unit. A drive source applies a drive force to the movable member to move the movable member from the first position to the second position. A holding device applies a holding force to hold the movable member at the first position. In response to the closing of the rear lid of the camera, an allowing device to allow the movable member to be released to move to the second position.

Abstract translation: 相机具有可关闭的后盖，以及信息处理单元，用于执行（i）向设置在胶片中的记录介质写入信息和（ii）从记录介质读取信息中的至少一个。 相机包括可在第一位置和第二位置之间移动的可移动部件。 在第一位置，信息处理单元与电影分离。 在第二位置，可动件将胶片推向信息处理单元。 驱动源向可动构件施加驱动力以将可动构件从第一位置移动到第二位置。 保持装置施加保持力以将可动构件保持在第一位置。 响应于照相机的后盖的关闭，允许装置允许可移动构件被释放以移动到第二位置。

公开(公告)号：US08503104B2

公开(公告)日：2013-08-06

申请号：US13226550

申请日：2011-09-07

Applicant: Chikara Aoshima ,  Naoto Mochizuki

Inventor： Chikara Aoshima ,  Naoto Mochizuki

IPC: G02B15/14

CPC classification number: H02K37/14 ,  G03B9/06 ,  H02K7/14

Abstract: A light amount adjustment device including a motor which can be reduced in size by reducing radial and axial dimensions and makes it possible to increase the motor output. The device has a stator of a motor drive mechanism formed integrally with a holding member fixed to a cam member with aperture blades and a rotary member for driving them sandwiched therebetween. A stator includes a support portion, and first and second magnetic pole portions. The first and second magnetic pole portions extend toward an outer periphery of the rotor and coils are inserted thereon from respective extending ends. The extending ends are disposed in a manner opposed to the outer periphery of the rotor. The two portions are disposed with an angle therebetween such that respective lines extending in the extending directions intersect with each other.

Abstract translation: 一种光量调节装置，其包括通过减小径向尺寸和轴向尺寸而可以减小尺寸的电动机，并且可以增加电动机输出。 该装置具有与固定在具有孔径叶片的凸轮构件的保持构件一体地形成的电动机驱动机构的定子和用于驱动夹在其间的旋转构件。 定子包括支撑部分，以及第一和第二磁极部分。 第一和第二磁极部分朝向转子的外周延伸，并且线圈从相应的延伸端插入其上。 延伸端以与转子的外周相对的方式设置。 这两个部分之间以一定角度设置，使得沿延伸方向延伸的各条线彼此相交。

公开(公告)号：US08278851B2

公开(公告)日：2012-10-02

申请号：US12578764

申请日：2009-10-14

Applicant: Kousuke Kiyamura ,  Hiromu Yasuda ,  Chikara Aoshima

Inventor： Kousuke Kiyamura ,  Hiromu Yasuda ,  Chikara Aoshima

IPC: H02P6/04

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。

公开(公告)号：US20100097020A1

公开(公告)日：2010-04-22

申请号：US12578764

申请日：2009-10-14

Applicant: Kousuke Kiyamura ,  Hiromu Yasuda ,  Chikara Aoshima

Inventor： Kousuke Kiyamura ,  Hiromu Yasuda ,  Chikara Aoshima

IPC: H02P6/16

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。

公开(公告)号：US07173352B2

公开(公告)日：2007-02-06

申请号：US11080416

申请日：2005-03-16

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: H02K37/12 ,  H02K37/14

CPC classification number: H02K37/14

Abstract: A stepping motor includes a magnet ring 1 whose outer peripheral surface is circumferentially divided to form radial protrusions and recesses and whose outer peripheral surface consists of a cylindrical permanent magnet magnetized to the same polarity, first and second cylindrical coils 2 and 3, a first outer magnetic pole portion 8 excited by the first coil, a second outer magnetic pole portion 9 excited by the second coil, and an output shaft 10 formed of a soft magnetic material and fixed to the inner peripheral portion of the magnet ring, the output shaft 10 being opposed to at least one of the first outer magnetic pole portion and the second outer magnetic pole portion in a predetermined axial range and equipped with an inner magnetic pole portion excited by at least one of the first coil and the second coil. Accordingly, a low-cost, high output, and high resolution stepping motor can be provided without hindering miniaturization.

Abstract translation: 步进电动机包括磁环1，其外周面被圆周地分开以形成径向突起和凹陷，并且其外周表面由磁化为相同极性的圆柱形永磁体组成，第一和第二圆柱形线圈2和3，第一外部 由第一线圈激励的磁极部分8，由第二线圈激励的第二外部磁极部分9和由软磁性材料形成并固定到磁体环的内周部分的输出轴10，输出轴10 在预定的轴向范围内与第一外磁极部分和第二外部磁极部分中的至少一个相对，并且装备有由第一线圈和第二线圈中的至少一个激励的内部磁极部分。 因此，可以提供低成本，高输出和高分辨率的步进电机，而不会妨碍小型化。

公开(公告)号：US20060267421A1

公开(公告)日：2006-11-30

申请号：US11442480

申请日：2006-05-26

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: H02K37/14 ,  H02K21/12 ,  H02K1/22 ,  H01F7/14 ,  H02K37/12

CPC classification number: H02K37/125 ,  H02K26/00

Abstract: A stepping motor includes a magnet having a magnetized portion, first and second coils, a first yoke having a first-magnetic-pole portion, a second yoke having a second-magnetic-pole portion, and a rotating yoke having a third-magnetic-pole portion fixed to the single surface of the magnet. The first coil is disposed outside of the outer-circumferential surface of the magnet, and the second coil is disposed inside of the inner-circumferential surface of the magnet so as to have the same concentricity as the magnet. The first and second magnetic-pole portions and the magnetized portion face each other across a certain gap. The cylindrical portion of the first yoke and the outermost-diameter portion of the rotating yoke face each other across a gap in the radial direction, and the cylindrical portion of the second yoke and the flat surface portion of the rotating yoke face each other across a gap in the shaft direction. Thus, an easy-to-assemble low-cost driving device having a thin shape in the shaft direction, and high output with small torque loss is provided.

Abstract translation: 步进电机包括具有磁化部分的磁体，第一和第二线圈，具有第一磁极部分的第一磁轭，具有第二磁极部分的第二磁轭和具有第三磁极部分的旋转磁轭， 固定在磁体的单个表面上的磁极部分。 第一线圈设置在磁体的外周面的外侧，第二线圈配置在磁体的内周面的内侧，以具有与磁体同等的同心度。 第一和第二磁极部分和磁化部分在一定间隙上彼此面对。 第一磁轭的圆筒部分和旋转磁轭的最外径部分在径向上的间隙彼此面对，并且第二磁轭的圆筒部分和旋转磁轭的平坦表面部分横跨一个 轴方向的间隙。 因此，提供了一种在轴向具有薄形状的易于组装的低成本驱动装置，并且提供了具有小扭矩损耗的高输出。

公开(公告)号：US20060214521A1

公开(公告)日：2006-09-28

申请号：US11391658

申请日：2006-03-28

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: H02K37/14 ,  H02K1/12

CPC classification number: H02K37/14

Abstract: A driving device which is capable of delivering higher power and can be reduced in size. A hollow-cylindrical magnet (1) is magnetized so as to have circumferentially alternately different poles. First and second coils (2 and 3) are arranged concentric with the magnet (1) on respective axially opposite sides thereof. Tooth-shaped first and second outer magnetic pole parts (8A, 8B, 8C, 8D, 9A, 9B, 9C, and 9D) are arranged in opposed relation to the magnet (1) to extend from respective opposite end faces of the magnet (1), for being magnetized by the first and second coils (2 and 3). A rotary shaft (10) fixed to an inner periphery of the magnet (1) is formed with an inner magnetic pole part (10A) disposed in opposed relation to the first and second outer magnetic pole parts (8A, 8B, 8C, 8D, 9A, 9B, 9C, and 9D), for being magnetized by the first and second coils (2 and 3). The first and second outer magnetic pole parts (8A, 8B, 8C, 8D, 9A, 9B, 9C, and 9D) are each formed into a spiral shape.

Abstract translation: 能够提供更高功率并且可以减小尺寸的驱动装置。 中空圆柱形磁体（1）被磁化以具有周向交替地不同的极点。 第一和第二线圈（2和3）在其相对的轴向相对侧上与磁体（1）同心地布置。 齿形的第一和第二外部磁极部分（8A，8B，8C，8D，9A，9B，9C和9D）相对于磁体（1）布置成从磁体的相应的相对端面 1），被第一和第二线圈（2和3）磁化。 固定在磁体（1）的内周的旋转轴（10）形成有与第一和第二外部磁极部（8A，8B，8）相对设置的内部磁极部（10A） C，8 D，9 A，9 B，9 C和9 D），用于被第一和第二线圈（2和3）磁化。 第一和第二外部磁极部分（8A，8B，8C，8D，9A，9B，9C和9D）都形成为螺旋状。

公开(公告)号：US06844643B2

公开(公告)日：2005-01-18

申请号：US10235929

申请日：2002-09-06

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: H02K7/116 ,  H02K37/12 ,  H02P8/22 ,  H02P8/30 ,  H02K17/00 ,  H02K37/00

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

Abstract: A motor device including a pair of motor units and a driven member meshed with rotary gears of the pair of motor units to drive the driven member, the motor units each including a rotary magnet that is cylindrical and magnetized so as to have different magnetic poles in turn along the circumferential direction, a rotary gear having a plurality of teeth, the rotary gear rotating about the rotation axis of the rotary magnet together with the rotary magnet, and a stator member having a plurality of outer magnetic poles that are arranged on the outer periphery of the rotary magnet and an inner magnetic pole that is arranged on the inner periphery of the rotary magnet and is opposed to the outer magnetic poles, the plural outer magnetic poles and the inner magnetic pole being excited by a coil.

Abstract translation: 一种电动机装置，包括一对电动机单元和与该对电动机单元的旋转齿轮啮合的从动构件，以驱动从动构件，所述电动机单元各自包括圆柱形和磁化的旋转磁体，以便具有不同的磁极 沿着圆周方向转动，具有多个齿的旋转齿轮，旋转齿轮与旋转磁体一起围绕旋转磁体的旋转轴线旋转;以及定子部件，具有多个外部磁极，该外部磁极布置在外部 旋转磁体的周边和设置在旋转磁体的内周上并与外部磁极相对的内部磁极，多个外部磁极和内部磁极被线圈激励。

公开(公告)号：US06464416B1

公开(公告)日：2002-10-15

申请号：US09492215

申请日：2000-01-27

Applicant: Chikara Aoshima

Inventor： Chikara Aoshima

IPC: B41J2315

CPC classification number: H04N1/128 ,  B41J19/005 ,  H04N1/12

Abstract: An apparatus, which includes a carriage scanning mechanism, can be compactly made and its assembly costs can be reduced. In addition, the drive load can be minimized and a carriage can be precisely driven. The apparatus can be provided in a recording apparatus, an information recording/reproducing apparatus, an information recording apparatus, an information reproduction apparatus, an information reading apparatus and an information erasing apparatus. According to the present invention, each of these apparatuses comprises a carriage provided for performing scanning in a predetermined scanning area, a drive device provided for the carriage, and wire wound around an output unit of the drive device in the predetermined scanning area and extended under tension along a scanning direction of said carriage. The output unit, around which the wire is wound, moves along the wire upon being driven by the drive device to scan the carriage.

Abstract translation: 可以紧凑地制造包括滑架扫描机构的装置，并且可以降低其组装成本。 此外，驱动负载可以最小化，并且可以精确地驱动滑架。 该装置可以设置在记录装置，信息记录/再现装置，信息记录装置，信息再现装置，信息读取装置和信息擦除装置中。 根据本发明，这些装置中的每一个都包括用于在预定扫描区域中执行扫描的托架，为托架设置的驱动装置，以及在预定扫描区域中缠绕在驱动装置的输出单元上的线 沿着所述托架的扫描方向的张力。 电线缠绕的输出单元在被驱动装置驱动时沿导线移动以扫描支架。