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    • 3. 发明授权
    • Casing of a magnetic recording and reproducing apparatus having rails
for detachable mounting to a computer
    • 具有用于可拆卸地安装到计算机的轨道的磁记录和再现装置的壳体
    • US5657182A
    • 1997-08-12
    • US975631
    • 1992-11-13
    • Makoto KuwamotoMichiro TanakaHiroshi KohsoYuji Yagi
    • Makoto KuwamotoMichiro TanakaHiroshi KohsoYuji Yagi
    • G11B25/04G11B33/12G11B17/02
    • G11B33/121G11B25/043
    • A magnetic recording and reproducing apparatus comprising: a magnetic recording and reproducing medium; a spindle motor for effecting rotational drive of the magnetic recording and reproducing medium; a transducer for recording and reproducing information on one face of the magnetic recording and reproducing medium; a displacement member for displacing the transducer to an arbitrary radial position on the face of the magnetic recording and reproducing medium; an electric circuit board for processing the information and controlling the spindle motor and the displacement member; and a casing in which the magnetic recording and reproducing medium, the spindle motor, the transducer, the displacement member and the electric circuit board are mounted; the casing having a bottom wall such that a boxlike space is defined below the bottom wall; the electric circuit board being disposed in the boxlike space.
    • 一种磁记录和再现装置,包括:磁记录和再现介质; 用于实现磁记录和再现介质的旋转驱动的主轴电机; 用于在磁记录和再现介质的一个面上记录和再现信息的换能器; 位移构件,用于将所述换能器移位到所述磁记录和再现介质的表面上的任意径向位置; 用于处理信息并控制主轴电机和位移构件的电路板; 以及其中安装有磁记录和再现介质,主轴电机,换能器,位移构件和电路板的壳体; 所述壳体具有底壁,使得在所述底壁的下方形成盒状空间; 电路板设置在盒状空间中。
    • 6. 发明授权
    • Information recording and reproducing device and a method using the same
    • 信息记录和再现装置及其使用方法
    • US5463609A
    • 1995-10-31
    • US139573
    • 1993-10-20
    • Tatsuhiko InagakiHiroshi KohsoMakoto Kuwamoto
    • Tatsuhiko InagakiHiroshi KohsoMakoto Kuwamoto
    • G11B11/10G11B5/55G11B5/58G11B7/005G11B7/013G11B7/12G11B7/135G11B11/105G11B13/04G11B5/68
    • G11B7/24085G11B13/04G11B5/55G11B5/58G11B7/0052G11B7/12G11B7/1387
    • The information recording and reproducing apparatus includes: a recording medium including a plurality of concavo-convex pits; a light source for emitting laser light; a section for changing an optical characteristic value of the laser light, using interaction between the laser light and the recording medium; and a light detector for detecting the optical characteristic value of the laser light after the interaction occurs, and then outputting a signal in response to the detected optical characteristic value. The section for changing the optical characteristic value includes an evanescent wave generating section for generating an evanescent wave from the laser light. The evanescent wave generating section changes the optical characteristic value in accordance with how much the concavo-convex pits of the recording medium influences the evanescent wave. Multivalued data is reproduced on the basis of the signal from the light detector. The multivalued data corresponds to the dimension of the concavo-convex pits measured along the direction normal to the recording medium.
    • 信息记录和再现装置包括:包括多个凹凸坑的记录介质; 用于发射激光的光源; 使用激光与记录介质之间的相互作用来改变激光的光学特性值的部分; 以及光检测器,用于在相互作用发生之后检测激光的光学特性值,然后响应于检测到的光学特性值输出信号。 用于改变光学特征值的部分包括用于从激光产生ev逝波的ev逝波产生部分。 ev逝波产生部根据记录介质的凹凸多少影响ev逝波而改变光学特性值。 基于来自光检测器的信号再现多值数据。 多值数据对应于沿垂直于记录介质的方向测量的凹凸坑的尺寸。
    • 8. 发明授权
    • Optical information system to detect reflection of pit depth by
evanescent wave
    • 光信息系统通过ev逝波检测凹坑深度的反射
    • US5602819A
    • 1997-02-11
    • US503593
    • 1995-07-18
    • Tatsuhiko InagakiHiroshi KohsoMakoto Kuwamoto
    • Tatsuhiko InagakiHiroshi KohsoMakoto Kuwamoto
    • G11B11/10G11B5/55G11B5/58G11B7/005G11B7/013G11B7/12G11B7/135G11B11/105G11B13/04G11B5/68
    • G11B7/24085G11B13/04G11B5/55G11B5/58G11B7/0052G11B7/12G11B7/1387
    • The information recording and reproducing apparatus includes: a recording medium including a plurality of concavo-convex pits; a light source for emitting laser light; a section for changing an optical characteristic value of the laser light, using interaction between the laser light and the recording medium; and a light detector for detecting the optical characteristic value of the laser light after the interaction occurs, and then outputting a signal in response to the detected optical characteristic value. The section for changing the optical characteristic value includes an evanescent wave generating section for generating an evanescent wave from the laser light. The evanescent wave generating section changes the optical characteristic value in accordance with how much the concavo-convex pits of the recording medium influences the evanescent wave. Multivalued data is reproduced on the basis of the signal from the light detector. The multivalued data corresponds to the dimension of the concavo-convex pits measured along the direction normal to the recording medium.
    • 信息记录和再现装置包括:包括多个凹凸坑的记录介质; 用于发射激光的光源; 使用激光与记录介质之间的相互作用来改变激光的光学特性值的部分; 以及光检测器,用于在相互作用发生之后检测激光的光学特性值,然后响应于检测到的光学特性值输出信号。 用于改变光学特征值的部分包括用于从激光产生ev逝波的ev逝波产生部分。 ev逝波产生部根据记录介质的凹凸多少影响ev逝波而改变光学特性值。 基于来自光检测器的信号再现多值数据。 多值数据对应于沿垂直于记录介质的方向测量的凹凸坑的尺寸。