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    • 33. 发明授权
    • Image apparatus and drive motor
    • 图像设备和驱动电机
    • US07053514B2
    • 2006-05-30
    • US11044263
    • 2005-01-28
    • Shun KayamaYukiko ShimizuAtsushi Takano
    • Shun KayamaYukiko ShimizuAtsushi Takano
    • H02K37/14H02K1/12H02K33/16G03B9/10
    • H04N5/238G02B7/102H02K33/16H02K37/18H04N5/2254
    • A drive motor is proposed, which serves as a drive source for a movement mechanism constituting an iris for an optical path of an imaging system. The drive motor has a shaft serving as a center of rotation, a magnet, two-pole magnetized and rotated around the shaft, a turning arm engaged with movable members and turned integrally with the magnet, for moving the movable members in a direction associated with a turning direction, a stator coil wound in a direction perpendicular to a direction of rotation of the magnet and disposed in such a way to enclose the magnet from outside, a coil bobbin on which the stator coil is wound, a stator yoke disposed outside the coil bobbin and having a cylindrical circumferential surface part penetrated in an axial direction of the shaft, and position detection means for detecting a rotational position of the magnet.
    • 提出了一种驱动电动机,其用作构成成像系统的光路的光圈的运动机构的驱动源。 驱动电动机具有用作旋转中心的轴,磁体,两极磁化并围绕轴旋转,转动臂与可移动部件接合并与磁体一体地转动,用于沿与...相关联的方向移动可移动部件 旋转方向,定子线圈缠绕在与磁体的旋转方向垂直的方向上,并且以从外部包围磁铁的方式设置,定子线圈缠绕在其上的定子线圈,设置在外侧的定子线圈 并且具有沿轴的轴向贯通的圆筒状的周面部,以及用于检测磁体的旋转位置的位置检测单元。
    • 34. 发明申请
    • Image apparatus and drive motor
    • 图像设备和驱动电机
    • US20050174009A1
    • 2005-08-11
    • US11044263
    • 2005-01-28
    • Shun KayamaYukiko ShimizuAtsushi Takano
    • Shun KayamaYukiko ShimizuAtsushi Takano
    • A61B6/03G02B7/10H02K33/16H02K37/18H04N5/225H04N5/238H02K41/00H02K1/12
    • H04N5/238G02B7/102H02K33/16H02K37/18H04N5/2254
    • A drive motor is proposed, which serves as a drive source for a movement mechanism constituting an iris for an optical path of an imaging system. The drive motor has a shaft serving as a center of rotation, a magnet, two-pole magnetized and rotated around the shaft, a turning arm engaged with movable members and turned integrally with the magnet, for moving the movable members in a direction associated with a turning direction, a stator coil wound in a direction perpendicular to a direction of rotation of the magnet and disposed in such a way to enclose the magnet from outside, a coil bobbin on which the stator coil is wound, a stator yoke disposed outside the coil bobbin and having a cylindrical circumferential surface part penetrated in an axial direction of the shaft, and position detection means for detecting a rotational position of the magnet.
    • 提出了一种驱动电动机,其用作构成成像系统的光路的光圈的运动机构的驱动源。 驱动电动机具有用作旋转中心的轴,磁体,两极磁化并围绕轴旋转,转动臂与可移动部件接合并与磁体一体地转动,用于沿与...相关联的方向移动可移动部件 旋转方向,定子线圈缠绕在与磁体的旋转方向垂直的方向上,并且以从外部包围磁铁的方式设置,定子线圈缠绕在其上的定子线圈,设置在外侧的定子线圈 并且具有沿轴的轴向贯通的圆筒状的周面部,以及用于检测磁体的旋转位置的位置检测单元。
    • 35. 发明授权
    • Seat reclining apparatus for automotive vehicle
    • US06755470B2
    • 2004-06-29
    • US10354976
    • 2003-01-31
    • Masahiro IwataAtsushi Takano
    • Masahiro IwataAtsushi Takano
    • B60N202
    • B60N2/2252
    • A seat reclining apparatus for an automotive vehicle which employs a differential transmission mechanism in which an inner gear and an outer gear having slightly smaller number of teeth than the inner gear are supported in their partly engaged states by a rotation shaft part and an eccentric shaft which is eccentric with respect to the rotation shaft, wherein the eccentric shaft part includes two wedge plates sandwichingly inserted between a bearing ring inner peripheral surface of the outer gear and a bearing cylinder outer peripheral surface of the inner gear when the seatback is in the fixed position, a spring rod for biasing the two wedge plates in opposite peripheral directions, and an operation piece part for releasing the sandwichingly inserting states of the wedge plates when the seatback is in the fixed position by being rotated together with the rotation shaft and rotated together with the wedge plates when the seatback is in an adjusting position, each of the wedge plates being in a crescent shape including an arcuate outer surface part which is slid into contact with the inner peripheral surface of the bearing ring and an arcuate inner surface part which is slid into contact with the outer peripheral surface of the bearing cylinder when the seatback is in the adjusting position, and each of the wedge plates being approximately 180 degrees or more in arcuate angle which is formed between the arcuate outer surface part and the arcuate inner surface part, the two wedge plates being arranged in an overlapping relation in the axial direction of the rotation shaft.
    • 37. 发明授权
    • Position recovery apparatus for inner focus lens
    • 用于内聚焦透镜的位置恢复装置
    • US5391866A
    • 1995-02-21
    • US34693
    • 1993-03-19
    • Mitsuo HoshinoAtsushi Takano
    • Mitsuo HoshinoAtsushi Takano
    • G02B7/04G02B7/10G02B7/28H04N5/232G02B15/00
    • G02B7/10
    • A feed screw (3) is coupled to a stepping motor (2) and a moving member (4) is provided along the feed screw (3). The moving member (4) includes a rack (7) that is meshed with the feed screw (3). The moving member (4) has a lens supporting member (9) secured to its lower end, and a light emitting element (13) and a slit (4) are fixed to the lens supporting member (9). A semiconductor position detecting element (15) is secured within a lens housing in association with the slit (14). If the position of a lens (L) is fluctuated by a shock or the like when or after an image is properly focused, a distance in which a light passed through the slit (14) from the light emitting element (13) is moved on the semiconductor position detecting element (15) is electrically converted to drive the motor (2), thereby the lens (L) being recovered to the properly-focused position. The number of teeth of the feed screw in which the teeth are skipped when the rack is disengaged is determined precisely. Then, the lens is moved by the distance corresponding to the fluctuated amount and is returned to the properly-focused position. Also, an electric power consumption can be reduced on the whole and the size of the whole of the apparatus can be reduced.
    • 馈送螺钉(3)与步进马达(2)相连,沿着进给螺杆(3)设置移动件(4)。 移动构件(4)包括与进给螺杆(3)啮合的齿条(7)。 移动构件(4)具有固定在其下端的透镜支撑构件(9),并且发光元件(13)和狭缝(4)固定到透镜支撑构件(9)。 半导体位置检测元件(15)与狭缝(14)相关联地固定在透镜壳体内。 如果透镜(L)的位置在图像适当聚焦时或之后由于震动等而波动,则从发光元件(13)穿过狭缝(14)的光的移动距离移动 半导体位置检测元件(15)被电转换以驱动电动机(2),从而将透镜(L)恢复到正确聚焦的位置。 精确地确定齿条脱离时跳过齿的进给螺杆的齿数。 然后,透镜移动与波动量对应的距离,并返回到适当对焦的位置。 此外,整体上可以减少电力消耗,并且可以减小整个装置的尺寸。