METHOD AND DEVICE FOR MEASURING SOUND WAVE PROPAGATION TIME BETWEEN LOUDSPEAKER AND MICROPHONE,申请号EP20030777374-传众专利搜索

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发明名称	METHOD AND DEVICE FOR MEASURING SOUND WAVE PROPAGATION TIME BETWEEN LOUDSPEAKER AND MICROPHONE
摘要
申请公布号	EP1578169(A4)	申请公布日期	2008.04.23
申请号	EP20030777374	申请日期	2003.12.09
申请人	TOA CORPORATION;ETANI ELECTRONICS CO., LTD.	发明人	HIGASHIHARA, DAISUKE;HINO, SHOKICHIRO;TSUCHIYA, KOICHI;ENDO, TOMOHIKO
分类号	H04R29/00;G01S11/14;H04R3/00;H04S7/00	主分类号	H04R29/00
代理机构		代理人
主权项
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