发明名称 Calibration and status monitor comparator apparatus and method
摘要 Comparator apparatus and method produce a signal representative of the relationship between two signals. In a further aspect, the comparator apparatus and method are used to provide a calibration and status monitor for a chromatographic analyzer.
申请公布号 US4454434(A) 申请公布日期 1984.06.12
申请号 US19810326778 申请日期 1981.12.02
申请人 PHILLIPS PETROLEUM COMPANY 发明人 WALKER, STARNES E.
分类号 G01N27/22;G01R23/15;G01R27/26;(IPC1-7):H03K9/06;H03K5/26 主分类号 G01N27/22
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