发明名称 |
Signal subtraction apparatus and method |
摘要 |
Apparatus and method for stripping off undesirable, high frequency, or alternatively, low frequency components of an input signal by selectively passing only those undesirable components through a filter, and then subtracting those undesirable components from the raw mixture of the desirable and undesirable components. This invention is useful in plating bath analysis.
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申请公布号 |
US5298145(A) |
申请公布日期 |
1994.03.29 |
申请号 |
US19920959577 |
申请日期 |
1992.10.13 |
申请人 |
HUGHES AIRCRAFT COMPANY |
发明人 |
GARRAWAY, MARCUS A.;HAMANO, MARTIN M.;KEPLER, JR., MAYNARD M. |
分类号 |
G01N27/416;G01N27/49;(IPC1-7):G01N27/26 |
主分类号 |
G01N27/416 |
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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