CIRCUIT FOR REDUCING ACOUSTIC ECHO FOR A HANDS-FREE DEVICE USABLE WITH A PORTABLE TELEPHONE,申请号EP20070823412-传众专利搜索

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发明名称	CIRCUIT FOR REDUCING ACOUSTIC ECHO FOR A HANDS-FREE DEVICE USABLE WITH A PORTABLE TELEPHONE
摘要
申请公布号	EP2057834(A1)	申请公布日期	2009.05.13
申请号	EP20070823412	申请日期	2007.08.10
申请人	PARROT	发明人	SEYDOUX, HENRI
分类号	H04M9/08	主分类号	H04M9/08
代理机构		代理人
主权项
地址

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