| 发明名称 |
SPEAKER AND HEADPHONE DEVICE |
| 摘要 |
A speaker includes: an open-backed speaker unit, a housing, and a fin unit. The housing is disposed so as to cover a rear side of the speaker unit, and forms a back cavity with the speaker unit. The fin unit is disposed in the back cavity, and includes an annular or arc-like fin, which approaches a rear side of the housing as going from a center of the speaker unit toward an outer diameter side thereof, and expands in diameter as separating from the speaker unit. |
| 申请公布号 |
US2017026739(A1) |
申请公布日期 |
2017.01.26 |
| 申请号 |
US201615214007 |
申请日期 |
2016.07.19 |
| 申请人 |
JVC KENWOOD CORPORATION |
发明人 |
MIWA Yasuhiro;NAGATA Hikaru |
| 分类号 |
H04R1/28;H04R1/32;H04R1/10 |
主分类号 |
H04R1/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A speaker comprising:
an open-backed speaker unit; a housing which is disposed so as to cover a rear side of the speaker unit, and forms a back cavity with the speaker unit; and a fin unit, which is disposed in the back cavity, and includes an annular or arc-like first fin expanding in diameter, so as to approach a rear side of the housing as going from a center of the speaker unit, toward an outer diameter side of the speaker unit. |
| 地址 |
Yokohama-shi JP |
