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发明名称
BACKGROUND NOISE ELIMINATING CIRCUIT OF VOICE RECOGNITION DEVICE
摘要
申请公布号
JPH04216597(A)
申请公布日期
1992.08.06
申请号
JP19900402624
申请日期
1990.12.17
申请人
NEC ENG LTD
发明人
SATO HIDETOSHI
分类号
G01H3/00;G01L9/00;G10L15/20;G10L21/02
主分类号
G01H3/00
代理机构
代理人
主权项
地址
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