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    • 71. 发明申请
    • Claw pole motor stator
    • 爪极电机定子
    • US20070138900A1
    • 2007-06-21
    • US10568959
    • 2004-09-16
    • Nobuyuki ImaiShin AokiHiroyuki KikuchiMasahiro SekiTadanobu TakahashiShigeru Tajima
    • Nobuyuki ImaiShin AokiHiroyuki KikuchiMasahiro SekiTadanobu TakahashiShigeru Tajima
    • H02K37/14H02K9/00H02K21/12H02K19/00
    • H02K1/145H02K16/04H02K2201/06
    • 2m sets (m being a natural number of 2 or more; and m=2 in embodiments) of teeth (31b to 34b) and 2m−1 slots (41, 42, 43) are disposed alternately in an axial direction; those of windings (36, 37, 38) accommodated in the slots (41, 42, 43), which are each accommodated in the slots (41, 42, 43) spaced apart by m from each other, are connected in line, so that exciting directions are opposite; and phases of magnetic fluxes passed through the teeth (31b to 34b) are displaced by 360°/2m from one another. Therefore, a thin and high-powered claw pole motor can be produced by disusing a portion of the winding which does not contribute to a torque (i.e., a crossover portion) and commonly using a magnetic path in each phase through return passes (31a to 34a). Moreover, a magnetic circuit of a wave winding motor is formed and hence, the output torque can be increased, as compared with a salient pole concentrated winding motor.
    • 齿(31b〜34b)和2m-1槽(41,42,43)的2m组(实施方式中的m为2以上的自然数,m = 2),轴向交替配置; 容纳在狭缝(41,42,43)中的各自容纳在彼此间隔开的间隙(41,42,43)的槽(41,42,33)中的绕组(36,37,38)彼此连接,因此 令人激动的方向相反; 通过齿(31b〜34b)的磁通相位彼此相差360°/ 2m。 因此,可以通过废弃不产生扭矩(即,交叉部分)的绕组的一部分并且通过在每个相中通常使用磁路通过返回通路(31a)来产生薄而高功率的爪极电动机 到34 a)。 此外,与凸极集中绕组电动机相比,形成了波纹绕组电动机的磁路,因此能够提高输出转矩。
    • 79. 发明授权
    • Personal authentication device and electronic device
    • 个人认证设备和电子设备
    • US08611614B2
    • 2013-12-17
    • US12735927
    • 2009-03-03
    • Yuji YamanakaNobuhiro MoritaShigeru OouchidaJun WatanabeShin AokiTetsuya Sasaki
    • Yuji YamanakaNobuhiro MoritaShigeru OouchidaJun WatanabeShin AokiTetsuya Sasaki
    • G06K9/00
    • G06K9/00033A61B5/117G06K9/00604
    • An image taking unit including a lens array, a light shielding member, and an image taking unit that acquires a compound eye image of a vein pattern of a living body held at a lens array. A shift estimation unit estimates an image shift amount between ommatidium images of the compound eye image. An image restructuring unit restructures a single image from the compound eye image by using the image shift amount. In at least one embodiment, a size correction unit corrects the size of the restructured single image with a magnification ratio determined by the estimated image shift amount and an image shift amount stored in a registration pattern storage unit so as to correspond to a registration pattern. As a result, it is possible to perform personal authentication while compensating influences due to fluctuations in a subject distance.
    • 包括透镜阵列,遮光构件和摄像单元的摄像单元,其获取保持在透镜阵列上的生物体的静脉图案的复眼图像。 移动估计单元估计复眼图像的小眼图像之间的图像偏移量。 图像重构单元通过使用图像偏移量来重构来自复合眼图像的单个图像。 在至少一个实施例中,尺寸校正单元以由估计图像偏移量确定的放大率和存储在注册图案存储单元中的图像偏移量来校正重构的单个图像的尺寸,以对应于注册图案。 结果,可以在补偿由于被摄体距离的波动引起的影响的同时进行个人认证。