| 发明名称 | Acoustic generator, acoustic generating device, and electronic device | ||
| 摘要 | An acoustic generator according to an embodiment is provided with a vibration body, an exciter (piezoelectric vibration element), and a coating portion. The exciter is joined onto the vibration body through a joining portion. The coating portion is provided from the exciter to the vibration body. Furthermore, at least a part of an outer periphery of the joining portion is positioned inside of an outer periphery of the exciter, and a part of the coating portion is interposed between the vibration body and the exciter. | ||
| 申请公布号 | US9215531(B2) | 申请公布日期 | 2015.12.15 |
| 申请号 | US201314369790 | 申请日期 | 2013.05.31 |
| 申请人 | KYOCERA CORPORATION | 发明人 | Nakamura Shigenobu |
| 分类号 | H04R17/00;H04R1/00;H04R7/04 | 主分类号 | H04R17/00 |
| 代理机构 | Volpe and Koenig, P.C. | 代理人 | Volpe and Koenig, P.C. |
| 主权项 | 1. An acoustic generator comprising: a vibration body; an exciter configured to vibrate upon input of an electric signal; a joining portion configured to join the exciter onto the vibration body; and a coating portion provided from the exciter to the vibration body; wherein at least a part of an outer periphery of the exciter extends beyond an outer periphery of the joining portion, and a part of the coating portion is interposed between a surface of the vibration body and a surface of the exciter, the surfaces facing each other. | ||
| 地址 | Kyoto-Shi, Kyoto JP | ||