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1. 发明授权

US06470584B1 Locating arm for a probe on a coordinate positioning machine 失效
标题翻译：在坐标定位机上定位探针
公开(公告)号：US06470584B1
公开(公告)日：2002-10-29
申请号：US09582993
申请日：2000-07-10
申请人： Matthew A Stoodley
发明人： Matthew A Stoodley
IPC分类号： G01B5004
CPC分类号： G01B7/004 , G01B7/012
摘要： A probe arm for locating a probe on a machine includes a signal conditioning circuit which produces probe status signals to be sent to the machine. The signal conditioning circuit includes two LEDs mounted on the arm and which are differently coloured to provide a visual indication of probe status e.g. probe ready or probe triggered. One of the LEDs has twice the efficiency of the other and therefore to maintain consistent illumination one is driven with twice the current of the other. Thus by monitoring the current through the LEDs in a sensing circuit at the output terminals of the signal conditioning circuit the status of the probe is communicated to the machine. Power to the probe and signal conditioning circuit is provided from the machine via the output terminals so that only two wires are required to connect the arm to the machine.
摘要翻译：用于将探头定位在机器上的探针臂包括产生探头状态信号以发送到机器的信号调节电路。信号调理电路包括安装在臂上的两个LED，其颜色不同以提供探针状态的视觉指示，例如，探头就绪或探测器触发。其中一个LED的效率是另一个LED的两倍，因此保持一致的照明，其中一个照明是以另一个的两倍的电流驱动的。因此，通过在信号调节电路的输出端监测感测电路中的LED的电流，探头的状态被传送到机器。通过输出端子从机器提供探头和信号调理电路的电源，只需要两根电线将手臂连接到机器上即可。

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