发明名称 Loudspeaker System
摘要 A loudspeaker system includes a loudspeaker, a sound wave guiding portion that has an opening portion, and guides a sound emitted from the loudspeaker to radiate the sound from the opening portion, and a thermal change portion that is provided on the sound wave guiding portion to form a temperature gradient in a space in the sound wave guiding portion.
申请公布号 US2008130933(A1) 申请公布日期 2008.06.05
申请号 US20070771150 申请日期 2007.06.29
申请人 YAMAHA CORPORATION 发明人 HAYASHI TOYOFUMI
分类号 H04R1/00 主分类号 H04R1/00
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