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    • 23. 发明申请
    • Image pickup apparatus and lens barrel
    • 摄像设备和镜筒
    • US20060164515A1
    • 2006-07-27
    • US11324469
    • 2006-01-04
    • Kenichi NakanishiKen TanakaTakumi Fukuda
    • Kenichi NakanishiKen TanakaTakumi Fukuda
    • H04N5/225G02B23/24G02B3/00
    • G02B7/102
    • An image pickup apparatus includes a lens barrel, a lens holding frame made movable in an optical axis direction inside the lens barrel, a movable lens held in the lens holding frame, a yoke inserted into the lens barrel and attached to the lens barrel, a magnet attached to the yoke, and a driving coil that is attached to the lens holding frame and located to be opposed to the magnet and gives propulsion to the lens holding frame. A pair of first fitting sections is provided in the lens barrel. A pair of second fitting sections is provided in the lens barrel. An interval between the first fitting sections is set larger than an interval between the second fitting sections. A distance from the optical axis to the respective first fitting sections is set larger than a distance from the optical axis to the respective second fitting sections.
    • 一种图像拾取装置,包括透镜镜筒,透镜保持框架,其可在镜筒内部沿光轴方向移动;保持在透镜保持框架中的可移动透镜;插入透镜镜筒中并连接到透镜镜筒的磁轭; 附着在磁轭上的磁体,以及驱动线圈,其安装在透镜保持框架上并且被定位成与磁体相对并将其推进到透镜保持框架。 在镜筒中设置一对第一配合部。 在镜筒中设置一对第二配合部。 第一装配部之间的间隔被设定为大于第二装配部之间的间隔。 从光轴到各个第一装配部的距​​离被设定为大于从光轴到各个第二装配部的距​​离。
    • 26. 发明授权
    • Process for the preparation of optically active 2-halo-1-(substituted
phenyl) ethanol
    • 制备光学活性2-卤代-1-(取代苯基)乙醇的方法
    • US5841001A
    • 1998-11-24
    • US808853
    • 1997-02-28
    • Ken TanakaMari YasudaMakoto Ueda
    • Ken TanakaMari YasudaMakoto Ueda
    • C07C213/04C07D301/26C07D303/08C12P7/22C12P41/00C07C209/02C07C33/20C07C33/34
    • C07C213/04C07D301/26C07D303/08C12P41/004C12P7/22
    • The present invention provides an industrially advantageous process for the preparation of an optically active 2-halo-1-(substituted phenyl)ethanol useful as medicines, agricultural chemicals or as intermediates thereof; and a simple process for the preparation of an optically active substituted styrene oxide or 2-amino-1-(substituted phenyl)ethanol useful as medicines, agricultural chemicals or intermediates thereof. A 2-halo-1-(substituted phenyl)ethanol represented by the following general formula (I) is allowed to contact, in the presence of a carboxylic anhydride, with an enzyme stereoselectively catalyzing ester interchange to produce an optically active 2-halo-1-(substituted phenyl)ethanol: ##STR1## (wherein X represents a chlorine atom or a bromine atom, and R.sup.1, R.sup.2 and R.sup.3 may be the same or different and each represent a hydrogen atom, a halogen atom, a C.sub.1-5 alkyl group, a C.sub.1-5 haloalkyl group, a C.sub.1-5 alkoxy group, a cyano group or a nitro group, with the proviso that when two of R.sup.1, R.sup.2 and R.sup.3 are alkyl groups or alkoxy groups, they may be combined together to form a ring and that all of R.sup.1, R.sup.2 and R.sup.3 are not hydrogen atoms at the same time).
    • 本发明提供用于制备用作药物,农药或其中间体的光学活性2-卤代-1-(取代苯基)乙醇的工业上有利的方法; 以及用作制备用作药物,农药或其中间体的光学活性取代的氧化苯乙烯或2-氨基-1-(取代的苯基)乙醇的简单方法。 使由以下通式(I)表示的2-卤代-1-(取代的苯基)乙醇在羧酸酐的存在下与酶立体选择性催化酯交换反应以产生光学活性的2-卤代 - 1-(取代苯基)乙醇:(I)(其中X表示氯原子或溴原子,R 1,R 2和R 3可以相同或不同,表示氢原子,卤素原子, C 1-5烷基,C 1-5卤代烷基,C 1-5烷氧基,氰基或硝基,条件是当R 1,R 2和R 3中的两个是烷基或烷氧基时,它们可以是 组合在一起形成环,并且所有的R 1,R 2和R 3不同时为氢原子)。
    • 28. 发明授权
    • Rotation detecting apparatus and rotation detecting system
    • 旋转检测装置和旋转检测系统
    • US08525464B2
    • 2013-09-03
    • US12932410
    • 2011-02-24
    • Ken TanakaYasuhiro FukagawaMasaru Touge
    • Ken TanakaYasuhiro FukagawaMasaru Touge
    • H02P3/08H02K11/00
    • H02K11/001G01P3/48H02K11/20H02P7/0094
    • A rotation detecting apparatus for detecting a rotational state of a direct-current motor includes a driving device, a control device, an energization detecting device, an alternating-current component detecting device, and a rotational state detecting device. An impedance between brushes of the motor changes periodically in accordance with rotation of the motor. The alternating-current component detecting device detects change of an alternating-current component of electric current that is supplied to the motor based on an electrical quantity. The change of the alternating-current component is caused by change of the impedance caused in accordance with the rotation. The rotational state detecting device detects at least one of a rotation angle, a rotational direction, and a rotational speed of the motor based on a detection result of the alternating-current component detecting device.
    • 用于检测直流电动机的旋转状态的旋转检测装置包括驱动装置,控制装置,通电检测装置,交流分量检测装置和旋转状态检测装置。 马达的电刷之间的阻抗根据马达的转动而周期性地变化。 交流分量检测装置基于电量检测供给到电动机的电流的交流分量的变化。 交流分量的变化是由根据旋转引起的阻抗的变化引起的。 旋转状态检测装置基于交流分量检测装置的检测结果来检测电动机的旋转角度,旋转方向和转速中的至少一个。