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发明名称
Audio loudspeaker detection using back-EMF sensing
摘要
申请公布号
GB0313277(D0)
申请公布日期
2003.07.16
申请号
GB20030013277
申请日期
2003.06.10
申请人
VISTEON GLOBAL TECHNOLOGIES, INC.
发明人
分类号
G01R31/28;H04R29/00
主分类号
G01R31/28
代理机构
代理人
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地址
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