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    • 26. 发明授权
    • Patterning unit of warp knitting machine and control method thereof
    • 经编机图案单元及其控制方法
    • US5862683A
    • 1999-01-26
    • US864040
    • 1997-05-28
    • Yoshinori OtobeYasumasa NarikiyoShigeo YamagataNorimasa Nosaka
    • Yoshinori OtobeYasumasa NarikiyoShigeo YamagataNorimasa Nosaka
    • D04B23/00D04B27/26
    • D04B27/32D04B23/00D04B27/26
    • The present invention provides a patterning unit of a warp knitting machine in which a stator of a linear pulse motor is assembled in a holding member and a plurality of moving elements are provided at arbitrary intervals on the same holding member with part of the moving elements being constructed as a guide point. A control method increases reliability of accuracy of positioning of the moving elements and eliminates erroneous operation such as step-out by providing a position sensor in connection with the poles and by controlling movement of the moving elements based on detected positions thereof and a set of parameters. The control method includes providing the moving elements each with a linear motor coil assembly for functioning in conjunction with the linear motor stator to move the moving elements along the holding member. The position sensor is for detecting absolute positions of the moving elements along the holding member in increments of a pitch gage of a knitting pattern of the guide members and a pitch gage of poles of the linear motor stator such that positions of the moving elements are detected as a multiple of the pitch gage of the poles of the linear motor stator.
    • 本发明提供一种经编机的图形单元,其中线性脉冲电机的定子组装在保持构件中,并且多个移动元件以任意间隔设置在相同的保持构件上,其中一部分移动元件为 构建为指导点。 一种控制方法提高了移动元件的定位精度的可靠性,并且通过提供与极相关联的位置传感器和通过基于其检测到的位置和一组参数来控制移动元件的移动来消除诸如失步之类的错误操作 。 该控制方法包括为移动元件提供各自具有线性电动机线圈组件,其与线性电动机定子一起起作用以沿着保持构件移动移动元件。 位置传感器用于以引导构件的编织图案的音调规格和线性电动机定子的极点的音调规定的增量来检测沿着保持构件的移动元件的绝对位置,使得检测到移动元件的位置 作为线性电动机定子的极点的音高规格的倍数。
    • 28. 发明授权
    • Recording and reproducing apparatus
    • 记录和再现设备
    • US5386327A
    • 1995-01-31
    • US154155
    • 1993-11-17
    • Shigeo Yamagata
    • Shigeo Yamagata
    • G11B5/012G11B5/024G11B19/04G11B5/03
    • G11B19/04G11B5/012G11B5/024
    • The recording and reproducing apparatus for recording and reproducing one field or a plurality of fields of recorded signals in a predetermined track position of a disc-type recording medium comprises an erasing circuit to erase the recorded signals recorded on the track, a tracking fine control mechanism for fine adjustment of a head arranged nearly opposite to the track, and an erasure control circuit to make the erasing circuit to execute a predetermined erasing operation to erase the recorded signals on the track on a basis of the head position after the tracking fine control mechanism executes the fine adjustment of tracking, and the erasure control circuit is designed to execute the erasing operation by the erasing circuit after executing the tracking fine control and displaying the recorded signals on a reproducing monitor for a predetermined time, in order to erase the predetermined recorded signals on the track without mis-erasure.
    • 用于在盘型记录介质的预定轨道位置中记录和再现一个场或多个记录信号的记录和再现装置包括擦除电路以擦除记录在轨道上的记录信号,跟踪精细控制机构 用于对与磁道几乎相对设置的磁头进行微调;以及擦除控制电路,用于使擦除电路基于跟踪精细控制机构上的磁头位置执行预定的擦除操作以擦除磁道上的记录信号 执行跟踪的微调,并且擦除控制电路被设计为在执行跟踪精细控制之后执行擦除电路的擦除操作,并且将再现监视器上的记录信号显示预定时间,以便擦除预定的记录 信号在轨道上没有错误的擦除。