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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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