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1. 发明申请

US20040150905A1 Apparatus and method to monitor leader pin position 失效
标题翻译：监控引导销位置的装置和方法
公开(公告)号：US20040150905A1
公开(公告)日：2004-08-05
申请号：US10357246
申请日：2003-02-03
申请人： International Business Machines Corporation
发明人： Armando J. Argumedo , Edwin R. Childers , Mark A. Taylor , Richard A. West
IPC分类号： G11B017/00
CPC分类号： G11B15/6885 , G11B23/107
摘要： A method and apparatus to monitor the positioning of a tape leader pin in a tape threader block moveably disposed in a tape drive. The' apparatus includes a tape threader block assembly comprising a first circuit having a first coil, a second circuit having a second coil, where that second circuit has an impedance, where the first coil is disposed adjacent the second coil. The apparatus further includes a detection circuit which detects the impedance of the second circuit, where the second circuit has a first impedance when the first circuit is open, and where the second circuit has a second impedance when the second circuit is closed. In the event a tape leader pin is properly releaseably fixtured to Applicants' threader block, the first circuit is closed and the impedance of the second circuit changes. The detection circuit detects that impedance change and provides a signal to a controller indicating that the tape leader pin is properly seated in the threader block.
摘要翻译：一种方法和装置，用于监测可移动地设置在带驱动器中的带穿线器块中的带引导销的定位。该装置包括带式穿线器组件，其包括具有第一线圈的第一电路，具有第二线圈的第二电路，其中第二电路具有阻抗，其中第一线圈被布置为与第二线圈相邻。该装置还包括检测电路，其检测第二电路的阻抗，其中当第一电路断开时第二电路具有第一阻抗，并且当第二电路闭合时第二电路具有第二阻抗。如果磁带引导销正确地可释放地固定到申请人的穿线器块，则第一电路闭合，并且第二电路的阻抗改变。检测电路检测到阻抗变化，并向控制器提供指示带引导销正确安置在穿线器块中的信号。

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