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发明名称
A METHOD FOR ELECTRONICALLY BEAM FORMING ACOUSTICAL SIGNALS AND ACOUSTICAL SENSOR APPARATUS
摘要
申请公布号
IL134435(D0)
申请公布日期
2001.04.30
申请号
IL19980134435
申请日期
1998.06.08
申请人
PHONAK AG
发明人
分类号
H04R3/00;H04R25/00;(IPC1-7):H04R
主分类号
H04R3/00
代理机构
代理人
主权项
地址
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