发明名称 Sound producing device for vehicle
摘要 Sound generated by a sound emitting unit passes through a first sound passage defined between a first shielding board and a shielding cylinder and a second sound passage defined between a second shielding board and the shielding cylinder, and is emitted outside from a sound emitting hole defined in at least one of a case and a cover. The second shielding board and the shielding cylinder shield a space between the sound emitting hole and the first sound passage when the first sound passage is seen from the sound emitting hole.
申请公布号 US8615100(B2) 申请公布日期 2013.12.24
申请号 US201213494127 申请日期 2012.06.12
申请人 TSURUTA MAKOTO;MIYATA SUSUMU;TSUCHIYA MASARU;ANDEN CO., LTD. 发明人 TSURUTA MAKOTO;MIYATA SUSUMU;TSUCHIYA MASARU
分类号 H04R1/02 主分类号 H04R1/02
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