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    • 1. 发明授权
    • Angle measuring device
    • 角度测量装置
    • US4633419A
    • 1986-12-30
    • US586923
    • 1984-03-07
    • Masaaki NiihoMasato HaraEiji Takasugi
    • Masaaki NiihoMasato HaraEiji Takasugi
    • G01D5/247G06F15/20G01B7/30
    • G01D5/247
    • An angle measuring device operating without a graduated board and of a type including a disc rotating a constant speed having a reference point fixed on the housing of a disc, an angle measuring arm concentric with the disc and rotatable, and a measuring point provided on the arm. In accordance with the invention, the ratio of an angle measuring time required for the disc to turn from the reference point to the measuring point to a one-revolution time of the disc is multiplied by 360.degree. to obtain an angle which is determined by the reference point, the center of the disc and the measuring point. This is effected with an angle measuring time integrating device for integrating data points corresponding to one-revolution time for each revolution of the disc, and an arithmetic unit for calculating a measured angle according to the ratio of the integrated value of the angle measuring times to the integrated value of the one-revolution times after the disc has made a predetermined number of revolutions.
    • 一种角度测量装置,其操作没有刻度板,并且包括具有旋转固定在盘的壳体上的参考点的恒定速度的盘的类型,与盘同心的角度测量臂和可旋转的测量点,以及设置在盘上的测量点 臂。 根据本发明,将盘从参考点转到测量点所需的角度测量时间与盘的一转时间的比率乘以360°,以获得由 参考点,光盘的中心和测量点。 这是通过角度测量时间积分装置实现的,该角度测量时间积分装置用于对应于盘旋转一圈的数据点进行积分,以及运算单元,用于根据角度测量时间的积分值与 盘之后的一圈时间的积分值已经进行了预定的转数。
    • 2. 发明授权
    • Angle measuring device
    • 角度测量装置
    • US4626682A
    • 1986-12-02
    • US620582
    • 1984-06-14
    • Masato HaraMasaaki NiihoEiji TakasugiRyouji Honda
    • Masato HaraMasaaki NiihoEiji TakasugiRyouji Honda
    • G01C1/06G01B11/26G01B21/22G01D5/244G01D5/34
    • G01D5/24476
    • An improved angle measuring device in which rotational irregularity in the form of two cycles or more per rotational cycle of the motor driving device is compensated for completely. A period of time T.sub.1 required for a cutout formed in the periphery of a rotor rotating at a constant speed to make one revolution starting from a stationary reference point, and a period of time T.sub.2 required for the cutout to move between the reference point and an angle measuring point are obtained to evaluate 360.degree..times.(T.sub.2 /T.sub.1) to obtain the angle under measurement. The cutout has an angular width of approximately 90.degree., although angular widths in a range of 5.degree. to 355.degree. can be used as the situation demands.
    • 一种改进的角度测量装置,其中完全补偿了每个电动机驱动装置的每个循环周期的两个循环或更多个形式的旋转不规则性。 形成在以固定速度旋转的转子的周边形成的切口所需的时间T1,从静止基准点开始一圈,以及切断部在基准点和基准点之间移动所需的时间段T2 获得角度测量点,以评估360°×(T2 / T1)以获得测量角度。 切口的角宽度约为90°,但是可以根据情况要求使用5°至355°的角度范围。
    • 4. 发明申请
    • DRIVE CIRCUIT
    • 驱动电路
    • US20100052648A1
    • 2010-03-04
    • US11993043
    • 2006-05-01
    • Akio IwabuchiMasato Hara
    • Akio IwabuchiMasato Hara
    • H02M3/156
    • H02M7/538H03K17/063H03K2217/0036H03K2217/0081
    • A drive circuit for a switching circuit has a high-side drive circuit to turn on/off, according to a control signal, a switching element QH arranged on a high side of a DC power source Vin and a low-side drive circuit to turn on/off alternately with the switching element QH according to the control signal a switching element QL arranged on a low side of the DC power source and connected in series with the switching element QH. Ends of an auxiliary power source Vcc1 are connected in series with a switch element Qn1, a capacitor C1, and a switch element Qn2. Both ends of the capacitor C1 are connected in series with a switch element Qp1, a capacitor C2, and a switch element Qp2. A control circuit alternately turns on/off the switch elements Qn1 and Qn2 and the switch elements Qp1 and Qp2. The capacitor C2 provides the high-side drive circuit with source power.
    • 用于开关电路的驱动电路具有高侧驱动电路,其根据控制信号来接通/断开,布置在直流电源Vin的高侧的开关元件QH和用于转动的低侧驱动电路 与开关元件QH交替地与开关元件QH根据控制信号配置在直流电源的低侧并与开关元件QH串联连接的开关元件QL。 辅助电源Vcc1的端部与开关元件Qn1,电容器C1和开关元件Qn2串联连接。 电容器C1的两端与开关元件Qp1,电容器C2和开关元件Qp2串联连接。 控制电路交替地接通/断开开关元件Qn1和Qn2以及开关元件Qp1和Qp2。 电容器C2为高边驱动电路提供源电源。
    • 5. 发明授权
    • Optical member inspecting apparatus and method of inspection thereof
    • 光学元件检查装置及其检查方法
    • US06434263B1
    • 2002-08-13
    • US09579804
    • 2000-05-26
    • Toshihiro NakayamaMasato HaraMasayuki SugiuraAtsushi Kida
    • Toshihiro NakayamaMasato HaraMasayuki SugiuraAtsushi Kida
    • G06K900
    • G01M11/0264G01M11/0278
    • An optical member inspection apparatus includes an inspection optical system having a light source, and a diffusing means for diffusing the light emitted from the light source. The diffusing means has a central portion and a peripheral portion. The diffusion transmittance of the peripheral portion is higher than the diffusion transmittance of the central portion. The inspection optical system is also provided with an image pick-up means to pick-up an image of the optical member to be inspected, and is positioned so as, to receive that light emitted from the light source and transmitted through the diffusing means and the optical member. A judging means is also provided, for judging whether or not the optical member has a defect, in accordance with image signals output from the image pick-up means.
    • 光学构件检查装置包括具有光源的检查光学系统和用于漫射从光源发射的光的漫射装置。 扩散装置具有中心部分和周边部分。 周边部分的扩散透射率高于中心部分的扩散透射率。 检查光学系统还设置有用于拾取要检查的光学构件的图像的图像拾取装置,并且被定位成接收从光源发射并透射通过漫射装置的光, 光学构件。 还根据从摄像装置输出的图像信号,提供判断装置,用于判断光学构件是否具有缺陷。
    • 7. 发明授权
    • Laser marking device
    • 激光打标机
    • US5838431A
    • 1998-11-17
    • US783006
    • 1997-01-14
    • Masato HaraSatoshi TakamiTeruo SakaiNoriaki TakahashiEiichi Ito
    • Masato HaraSatoshi TakamiTeruo SakaiNoriaki TakahashiEiichi Ito
    • G01C15/00G01B11/26G01C5/02
    • G01C15/004Y10S33/21
    • The laser marking device comprises a laser source, an optical system for projecting a laser beam emitted from the laser source to form a laser spot on an object, a light distributing element that is disposed in an optical path of the optical system and includes at least one light distributing portion that distributes a part of the laser beam to form at least one static reference line on the object so that the laser spot is formed on the static reference line, a rotating mechanism that rotates at least a part of the optical system to form a dynamic reference on the object, and a switch for selecting between a rotation mode in which the rotating mechanism is activated and a stationary mode in which said rotating mechanism is not activated.
    • 激光打标装置包括激光源,用于投射从激光源发射的激光束以在物体上形成激光光点的光学系统,配置在光学系统的光路中的光分布元件,至少包括 一个光分布部分,其分布所述激光束的一部分以在所述物体上形成至少一个静态参考线,使得所述激光光斑形成在所述静态参考线上;旋转机构,其使所述光学系统的至少一部分旋转到 在物体上形成动态参考,以及用于在其中启动旋转机构的旋转模式和其中所述旋转机构未被激活的静止模式之间进行选择的开关。
    • 9. 发明授权
    • Optical encoder with converging means
    • 具有会聚手段的光学编码器
    • US4883955A
    • 1989-11-28
    • US160320
    • 1988-02-25
    • Harumi KawasakiMasato Hara
    • Harumi KawasakiMasato Hara
    • G01D5/36
    • G01D5/36
    • An optical encoder comprises a measuring section and a scanning grating plate. The measuring section comprises parallel light beam sources, light receiving elements located in opposition to the parallel light beam sources, converging devices disposed between the parallel light beam sources and the light receiving elements and a main grating plate arranged between the converging devices and the light receiving elements. The scanning grating plate is located between the main grating plate and the light receiving elements while allowing the scanning grating plate to move relative to the measuring section.
    • 光学编码器包括测量部分和扫描光栅板。 测量部分包括平行光束源,与平行光束源相对的光接收元件,设置在平行光束源和光接收元件之间的会聚装置以及设置在会聚装置与光接收之间的主光栅板 元素。 扫描光栅板位于主光栅板和光接收元件之间,同时允许扫描光栅板相对于测量部分移动。