发明名称 SOUND ABSORBING DEVICE, ELECTRONIC DEVICE, AND IMAGE FORMING APPARATUS
摘要 A sound absorbing device includes: a plurality of sound absorbing units. A frequency of sound absorbed by at least one of the sound absorbing units overlaps, at least partially, with a frequency of sound with a volume increased by installation of another sound absorbing unit.
申请公布号 US2017053633(A1) 申请公布日期 2017.02.23
申请号 US201515307133 申请日期 2015.04.28
申请人 ISHIDA Masahiro;MATSUDA Naoki 发明人 ISHIDA Masahiro;MATSUDA Naoki
分类号 G10K11/00;G03G21/16 主分类号 G10K11/00
代理机构 代理人
主权项 1. A sound absorbing device comprising: a plurality of sound absorbing units, wherein a frequency of sound absorbed by at least one of the sound absorbing units overlaps, at least partially, with a frequency of sound with a volume increased by installation of another sound absorbing unit.
地址 Kanagawa JP