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    • 4. 发明授权
    • Frictionally sliding head magnet disk apparatus
    • 摩擦磁头磁盘装置
    • US5825591A
    • 1998-10-20
    • US768958
    • 1996-12-18
    • Takao NakamuraNobuya SekiyamaKeiko NakanoKenji FurusawaHiroyuki KataokaTakaaki ShirakuraShinya Matsuoka
    • Takao NakamuraNobuya SekiyamaKeiko NakanoKenji FurusawaHiroyuki KataokaTakaaki ShirakuraShinya Matsuoka
    • G11B5/02G11B5/187G11B5/60G11B5/71G11B5/725G11B21/21G11B5/48G11B21/16
    • G11B5/6005
    • The present invention relates to a magnetic disk unit of a high memory capacity wherein a magnetic head and a magnetic disk with a lubricant layer formed on the surface thereof are allowed to perform a relative motion in a mutually contacted state to write and read out information of a high recording density, and the invention is also concerned with the shape and material of the magnetic head suitable for a continual sliding motion of the head on the magnetic disk surface, as well as the lubricant layer formed on the disk surface. According to the present invention, the magnetic head, which has a slider surface of a predetermined curvature, is supported by an arm through a spring and is pushed onto the magnetic disk surface with the lubricant layer formed thereon, then with rotation of the magnetic disk, the lubricant layer liquefies and information is recorded or read out in a contacted state of the head and the disk. The distance between the magnetic head and the disk surface can be shortened to a great extent and the recording density of the magnetic disk can be increased remarkably, thereby permitting a larger capacity of the magnetic disk unit.
    • 本发明涉及具有高存储容量的磁盘单元,其中磁头和在其表面上形成有润滑层的磁盘被允许在相互接触的状态下执行相对运动以写入和读出信息 高记录密度,并且本发明还涉及适用于磁头在磁盘表面上的连续滑动运动的磁头的形状和材料以及形成在磁盘表面上的润滑剂层。 根据本发明,具有预定曲率的滑块表面的磁头通过弹簧由臂支撑,并且在其上形成润滑剂层的同时被推到磁盘表面上,然后随着磁盘的旋转 润滑剂层液化并且在头部和盘的接触状态下记录或读出信息。 磁头和盘表面之间的距离可以被很大程度地缩短,从而可以显着地提高磁盘的记录密度,从而允许磁盘单元的容量更大。
    • 10. 发明授权
    • Electronic flash apparatus
    • 电子闪光装置
    • US4657367A
    • 1987-04-14
    • US759908
    • 1985-07-29
    • Hiroyuki Kataoka
    • Hiroyuki Kataoka
    • G03B7/16G03B15/05
    • G03B15/05G03B2215/0528
    • An electronic flash apparatus having a first trigger circuit for causing a main light source to start firing, a first capacitor for firing the main light source, a second trigger circuit for causing a preliminary light source to start firing, a second capacitor for firing the preliminary light source, and a circuit for producing a trigger signal for preliminary lighting when a preliminary illumination is carried out, wherein the second capacitor is connected in common to the main and preliminary light sources, and there is provided a preliminary lighting changeover circuit responsive to selection of a bounced-flash mode for changing the application of the trigger signal from the second trigger circuit to the first trigger circuit.
    • 一种具有用于使主光源开始点火的第一触发电路的电子闪光装置,用于点燃主光源的第一电容器,用于使初步光源开始点火的第二触发电路,用于烧制初步光源的第二电容器 光源,以及用于在进行预备照明时产生用于预备照明的触发信号的电路,其中第二电容器与主光源和初步光源共同连接,并且提供响应于选择的预备照明切换电路 用于将触发信号从第二触发电路应用改变到第一触发电路的反弹模式。