发明名称 Microphone system, sound input apparatus and method for manufacturing the same
摘要 A microphone system, includes: a housing, adapted to be placed in a reference position relative to a sound source; a first microphone, configured to receive sound from the sound source at a first position within the housing; a second microphone, configured to receive sound from the sound source at a second position within the housing; and a differential signal generator, wherein: the first and second positions are arranged on a first line; and the first line perpendicularly intersects a second line that is extended from the sound source at a third position which is not between the first and second positions, and obliquely intersects a third line that is extended from the sound source at a fourth position which is between the first and second positions, when the housing is placed at the reference position.
申请公布号 US8135144(B2) 申请公布日期 2012.03.13
申请号 US20080275986 申请日期 2008.11.21
申请人 INODA TAKESHI;HORIBE RYUSUKE;MAEDA SHIGEO;TANAKA FUMINORI;FUKUOKA TOSHIMI;FUNAI ELECTRIC ADVANCED APPLIED TECHNOLOGY RESEARCH INSTITUTE INC.;FUNAI ELECTRIC CO., LTD. 发明人 INODA TAKESHI;HORIBE RYUSUKE;MAEDA SHIGEO;TANAKA FUMINORI;FUKUOKA TOSHIMI
分类号 H04R3/00 主分类号 H04R3/00
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