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1. 发明授权

US4792707A Disk tracking device 失效
标题翻译：磁盘跟踪设备
公开(公告)号：US4792707A
公开(公告)日：1988-12-20
申请号：US046029
申请日：1987-05-04
申请人： Yasushi Katanuma
发明人： Yasushi Katanuma
IPC分类号： G11B21/08 , G01P3/52 , G11B7/085 , H02K7/20 , H02K41/035 , H02K33/00 , G11B21/02
CPC分类号： G01P3/52 , H02K41/0356 , H02K7/20
摘要： A tracking device has a linear motor having a driving coil, a speed sensor having a detection coil, and a moving member reciprocated in a predetermined range together with the driving coil and the detection coil. The moving member receives a driving force upon application of a current to the driving coil, and the detection coil generates a signal according to the speed of the moving member. The speed sensor includes two coils connected with each other in such a direction as to phase-cancel an induced voltage due to a magnetic field generated by the driving coil; at least one of the two coils is the detection coil. The detection coil and the driving coil are arranged on one side of the moving member in a single unit.
摘要翻译：跟踪装置具有线性电动机，其具有驱动线圈，具有检测线圈的速度传感器和与驱动线圈和检测线圈一起在预定范围内往复运动的运动件。移动构件在向驱动线圈施加电流时接收驱动力，并且检测线圈根据移动构件的速度产生信号。速度传感器包括两个线圈，它们相互抵消由驱动线圈产生的磁场引起的感应电压; 两个线圈中的至少一个是检测线圈。检测线圈和驱动线圈以单个单元布置在移动部件的一侧。

2. 发明授权

US5053904A Hard disk driving device having a plurality of head sliders with equalized flotation height 失效
标题翻译：具有多个具有均匀浮选高度的头滑块的硬盘驱动装置
公开(公告)号：US5053904A
公开(公告)日：1991-10-01
申请号：US504143
申请日：1990-04-03
申请人： Takashi Yamano , Yasushi Katanuma , Hideyasu Takemura , Michiko Kumagai , Hiroshi Yoshida , Toru Kaneko
发明人： Takashi Yamano , Yasushi Katanuma , Hideyasu Takemura , Michiko Kumagai , Hiroshi Yoshida , Toru Kaneko
IPC分类号： G11B21/21 , G11B5/60
CPC分类号： G11B5/6005
摘要： A hard disk driving device in which a plurality of hard disks each formed with a magnetic recording layer are secured to the same rotational shaft in a predetermined spaced relation, and a magnetic head mounted on a floating (flying) type head slider is disposed on each surface, characterized in that an area of a portion concerned with flotation of a head slider provided on a head slider assembly sandwiched between adjacent hard disks is made to be smaller than an area of a portion concerned with flotation of a head slider provided on a head slider assembly sandwiched between adjacent hard disks.
摘要翻译：每个形成有磁记录层的多个硬盘以预定间隔的关系固定在同一旋转轴上的硬盘驱动装置，并且安装在浮动（飞行）型磁头滑动器上的磁头设置在每个表面，其特征在于，与夹在相邻硬盘之间的磁头滑块组件上设置的磁头滑动器的浮动相关的部分的面积小于与设置在磁头上的磁头滑块浮动相关的部分的区域滑块组件夹在相邻的硬盘之间。

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