发明授权
US4109309A Method and apparatus for remote display of analog signals occurring in computer controlled machine tools 失效
远程显示计算机控制机床中模拟信号的方法与装置

Method and apparatus for remote display of analog signals occurring in
computer controlled machine tools
摘要:
An analog signal which occurs in a computer controlled machine tool is converted to digital form at the machine tool site and is stored in a memory portion of the machine tool computer. The digitized analog signal is subsequently read out of the memory and is transmitted to a remote diagnostic unit via a conventional digital transmission link. The digitized analog signal received by the diagnostic unit is stored in a memory portion of the diagnostic computer and is subsequently read out and converted back to analog form for display on an oscilloscope in the diagnostic unit to aid in the diagnosis of existing or incipient faults in the machine tool.
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