发明授权
US07421356B2 Method and apparatus for measurement of fuel cell high frequency resistance in the presence of large undesirable signals
有权
在存在大量不合需要的信号的情况下测量燃料电池高频电阻的方法和装置
- 专利标题： Method and apparatus for measurement of fuel cell high frequency resistance in the presence of large undesirable signals
- 专利标题（中）： 在存在大量不合需要的信号的情况下测量燃料电池高频电阻的方法和装置
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申请号： US11536723申请日： 2006-09-29
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公开(公告)号： US07421356B2公开(公告)日： 2008-09-02
- 发明人: David Rea , Kenneth L. Kaye , Robert S. Foley , Michael F. Zawisa , Clark G. Hochgraf
- 申请人： David Rea , Kenneth L. Kaye , Robert S. Foley , Michael F. Zawisa , Clark G. Hochgraf
- 申请人地址： US MI Detroit
- 专利权人： GM Global Technology Operations, Inc.
- 当前专利权人： GM Global Technology Operations, Inc.
- 当前专利权人地址： US MI Detroit
- 主分类号： G01R27/00
- IPC分类号： G01R27/00 ; G01R23/00 ; G01R23/16
摘要：
A method and apparatus for a high frequency resistance measurement instrument with a reasonable dynamic range, which militates against saturation in the presence of one or more large undesirable signals, the high frequency measurement instrument capable of employing multiple alternating currents of differing frequencies to maintain measurement capability despite signal chain saturation in the presence of a large undesirable signal.
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