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    • 71. 发明授权
    • Tilt servo system for correcting tilt angle of light beam in information read/write apparatus
    • 用于在信息读/写装置中校正光束倾斜角的倾斜伺服系统
    • US07248543B2
    • 2007-07-24
    • US10624892
    • 2003-07-23
    • Ryo SatoYoshio Sasaki
    • Ryo SatoYoshio Sasaki
    • G11B7/095
    • G11B7/1369G11B7/0945G11B7/0956
    • A highly accurate and stable tilt servo system is provided. A liquid crystal device for phase correction is driven based on drive data stored in a lookup memory to thereby make a tilt correction. Upon pre-processing, a pickup is moved to a predetermined position on the inner circumference of a disc for a tilt correction to employ tilt error data delivered from a tilt sensor as reference tilt error data and drive data served for the tilt correction as a reference tilt correction quantity. After the pre-processing, when the pickup is moved, the difference between the tilt error data delivered from the tilt sensor at each position of movement and the reference tilt error data is employed as a relative correction quantity. The drive data equivalent to the relative correction quantity is acquired from the lookup memory. The drive data acquired is added to the reference correction quantity to thereby determine a tilt correction quantity. The liquid crystal device is driven based on drive signals equivalent to the tilt correction quantity.
    • 提供了一种高精度和稳定的倾斜伺服系统。 基于存储在查找存储器中的驱动数据驱动用于相位校正的液晶装置,从而进行倾斜校正。 在预处理时,将拾取器移动到用于倾斜校正的盘的内周上的预定位置,以使用从倾斜传感器传送的倾斜误差数据作为参考倾斜误差数据和用于倾斜校正的驱动数据作为参考 倾斜校正量。 在预处理之后,当拾取器被移动时,将在每个移动位置处从倾斜传感器传送的倾斜误差数据与参考倾斜误差数据之间的差用作相对校正量。 从查找存储器获取与相对校正量相当的驱动数据。 所获得的驱动数据被加到参考校正量,从而确定倾斜校正量。 基于与倾斜校正量相当的驱动信号来驱动液晶装置。
    • 76. 发明授权
    • Magnetic optical disk player having improved servoresponse sensitivity
    • 具有改进的伺服响应灵敏度的磁性光盘播放机
    • US5333124A
    • 1994-07-26
    • US524932
    • 1990-05-18
    • Ikuya KikuchiRyo Sato
    • Ikuya KikuchiRyo Sato
    • G11B11/10G11B11/105G11B13/04G11B11/12
    • G11B11/10576G11B11/10552
    • A magnetic optical disk player comprises a turn table for turning a magnetic optical disk, a recording head and an erasing head movable along two different radial directions of the turn table respectively, and bias magnets for generating bias magnetic fields distributed along moving areas of the recording and erasing heads and having the directions opposite to each other, wherein the recording head and the erasing head each includes an objective, movable coils coupled with the objective, and drive magnet for generating a drive magnetic field interlinking the movable coils in the same direction as that of the bias magnetic fields. The directions of the bias magnetic fields for erasing and recording heads are opposite to each other. The magnetic fields for generating electromagnetic forces to drive the objective in the erasing head and the recording head are also opposite to each other. The bias magnetic field and the magnetic field for generating the electromagnetic force are additively coupled with each other in each head.
    • 磁性光盘播放器包括用于转动磁光盘的转台,记录头和可沿着转台的两个不同径向方向移动的擦除头,以及用于产生沿着记录的移动区域分布的偏置磁场的偏置磁体 以及擦除头部并且具有彼此相反的方向,其中记录头和擦除头各自包括物镜,与物镜耦合的可动线圈和驱动磁体,用于产生驱动磁场,该驱动磁场将可动线圈与 偏磁场的。 用于擦除和记录头的偏置磁场的方向彼此相反。 用于产生用于驱动擦除头和记录头中的物镜的电磁力的磁场也彼此相反。 用于产生电磁力的偏置磁场和磁场在每个磁头中相互耦合。
    • 77. 发明授权
    • Herbicidal composition
    • 除草成分
    • US5312798A
    • 1994-05-17
    • US944084
    • 1992-09-11
    • Shinichi KawamuraIzumi,KeiichiJunichi SatoYuzuru SanemitsuRyo SatoTatsuhiro HamadaHideyuki Shibata
    • Shinichi KawamuraIzumi,KeiichiJunichi SatoYuzuru SanemitsuRyo SatoTatsuhiro HamadaHideyuki Shibata
    • A01N43/78A01N47/18A01N43/70A01N43/58A01N43/76
    • A01N43/78A01N47/18
    • There is disclosed a herbicidal composition comprising as active ingredients a herbicidally effective amount of (a) an iminothiazoline compound of the formula: ##STR1## wherein R.sup.1 is halogen, halo(C.sub.1 -C.sub.2)alkyl, halo(C.sub.1 -C.sub.2)alkoxy or halo(C.sub.1 -C.sub.2)alkylthio; R.sup.2 is C.sub.1 -c.sub.2 alkyl, chroline, bromine or iodine; R.sup.3 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 -C.sub.6 cycloalkoxy or C.sub.1 -C.sub.6 alkoxy, all of which are optionally substituted with at least one substituent selected from halogen, C.sub.1 -C.sub.2 alkyl and C.sub.1 -C.sub.2 alkoxy; R.sup.4 is hydrogen or halogen; and (b) at least one of herbicidal triazine compounds, herbicidal uracil compounds, herbicidal urea compounds, herbicidal dinitro aniline compounds, norflurazon, dimethazon, imazaquin and imazethapyr. Also disclosed is a method for controlling undesired weeds by use of the herbicidal composition.
    • 公开了除草组合物,其包含除草有效量的(a)下式的亚氨基噻唑啉化合物:其中R 1是卤素,卤代(C 1 -C 2)烷基,卤代(C 1 -C 2)烷氧基或卤素 (C1-C2)烷硫基; R2是C1-C2烷基,氯原子,溴或碘; R3是C1-C6烷基,C3-C6环烷基,C3-C6环烷氧基或C1-C6烷氧基,它们全部被至少一个选自卤素,C 1 -C 2烷基和C 1 -C 2烷氧基的取代基取代; R4是氢或卤素; 和(b)至少一种除草三嗪化合物,除草尿嘧啶化合物,除草脲化合物,除草二硝基苯胺化合物,诺氟拉津,二甲基噻唑,咪唑啉酮和咪草烟。 还公开了通过使用除草组合物来控制不需要的杂草的方法。
    • 79. 发明授权
    • Optical pick-up unit
    • 光学拾取单元
    • US5007712A
    • 1991-04-16
    • US234547
    • 1988-08-22
    • Ikuya KikuchiRyo Sato
    • Ikuya KikuchiRyo Sato
    • G11B7/085G11B7/09
    • G11B7/08582G11B7/0932
    • In an optical pick-up unit, there is provided with a structure for supporting a holder holding at least an objective lens through a spring support assembly so that said holder is movable in both of a focusing direction and a tracking direction, carried on a carriage capable of traveling at a high speed in the tracking direction, a spring constant of the spring support assembly is so set as to be larger in the tracking direction than in the focusing direction, whereby an amount of a positioning error of the objective lens produced in the tracking direction when the carriage is driven at a high speed is reduced. As a result, by the thus reduced amount of the positioning error of the objective lens, the optical pick-up unit is improved in access time in comparison with the conventional optical pick-up unit.
    • 在光学拾取单元中,设置有用于支撑通过弹簧支撑组件保持至少物镜的保持器的结构,使得所述保持器可以在聚焦方向和跟踪方向上移动,承载在托架 能够沿跟踪方向高速行进,弹簧支承组件的弹簧常数在跟踪方向上比聚焦方向大,由此产生的物镜的定位误差量 当滑架以高速驱动时的跟踪方向减小。 结果,与传统的光学拾取单元相比,由于物镜的定位误差量的减少,光拾取单元的存取时间得以改善。