发明名称 |
Activity detector circuit |
摘要 |
An activity detection system for use with a signal having a high value and a low value has a differential amplifier, a filter and a comparator configured to compare a signal to a threshold value and determine if the threshold value is above the signal, below the signal or in between the high and low values of the signal.
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申请公布号 |
US2003173999(A1) |
申请公布日期 |
2003.09.18 |
申请号 |
US20030389839 |
申请日期 |
2003.03.17 |
申请人 |
GAHLSDORF RIEN;KIAMILEV FOUAD |
发明人 |
GAHLSDORF RIEN;KIAMILEV FOUAD |
分类号 |
G01R19/165;H03K5/08;H03K5/153;H03K5/19;(IPC1-7):H03K5/153 |
主分类号 |
G01R19/165 |
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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