| 发明名称 |
ACOUSTIC DEVICE, AND ELECTRONIC DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME |
| 摘要 |
An acoustic device includes an opening; a flange forming the opening; a first member including the opening and the flange; and a second member joined to the first member, thereby forming a cavity. The second member is formed of a material with a density lower than a material of the first member. |
| 申请公布号 |
US2016267896(A1) |
申请公布日期 |
2016.09.15 |
| 申请号 |
US201615158173 |
申请日期 |
2016.05.18 |
| 申请人 |
ISHIDA Masahiro;MATSUDA Naoki |
发明人 |
ISHIDA Masahiro;MATSUDA Naoki |
| 分类号 |
G10K11/04;G03G21/16 |
主分类号 |
G10K11/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
Kanagawa JP |
