发明名称 MICROPHONE ASSEMBLY FOR MINIMIZING ACOUSTIC FEEDBACK FROM A LOUDSPEAKER
摘要 A microphone assembly for desktop communication systems utilizes a directional microphones in a desktop conferencing system without exposing the microphone to unfavorable mechanical or acoustic influence. The microphones is built into the front portion of the base of the system, in a mechanically controlled and robust way. The microphone assembly maximizes microphone sensitivity in the direction of a near end user while simultaneously minimizing microphone sensitivity in the direction of the loudspeaker.
申请公布号 US2009161900(A1) 申请公布日期 2009.06.25
申请号 US20080339377 申请日期 2008.12.19
申请人 TANDBERG TELECOM AS 发明人 ENSTAD GISLE;GRAVERMOEN TORE;NIELSEN JOHAN LUDVIG
分类号 H04R1/20;H04R9/08 主分类号 H04R1/20
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