发明名称 ACOUSTIC TRANSMISSION CONNECTION, HEADSET WITH ACOUSTIC TRANSMISSION CONNECTION, AND USES OF THE ACOUSTIC TRANSMISSION CONNECTION
摘要 An acoustic transmission connection, e.g. for a headset (13), comprises a sound tube (2) through which speech signals can be transmitted from a first end (16) to a transducer, e.g. a microphone, in a housing or a housing part (3) of the headset. In the sound tube (2) and in the housing part (3), means are provided for acoustic impedance matching and possibly means for achievin g acoustic directivity.
申请公布号 CA2408724(C) 申请公布日期 2009.07.07
申请号 CA20012408724 申请日期 2001.05.01
申请人 GN NETCOM A/S 发明人 MOLLER, PETER;GROTH, TORBEN
分类号 H04R1/28;G10K11/22;H04M1/03;H04M1/05;H04R1/10;H04R1/34;H04R1/40;H04R25/00 主分类号 H04R1/28
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