| 发明名称 | Portable apparatus | ||
| 摘要 | A portable apparatus including a main body and a receiver is provided. The main body has a surface, an active sound hole and a passive sound hole. The active sound hole and the passive sound hole are both disposed at the surface of the main body. The receiver is disposed inside the main body and arranged for emitting a first sound wave and a second sound wave with the same amplitude and frequency but opposite transmission directions. The first sound wave is transmitted out of the main body via the active sound hole and the second sound wave is guided in the main body and transmitted out of the main body via the passive sound hole. | ||
| 申请公布号 | US8804990(B2) | 申请公布日期 | 2014.08.12 |
| 申请号 | US201313802664 | 申请日期 | 2013.03.13 |
| 申请人 | Acer Incorporated | 发明人 | Chang Jia-Ren;Tu Po-Jen;Tai Kuei-Ting |
| 分类号 | H04R1/20 | 主分类号 | H04R1/20 |
| 代理机构 | Jianq Chyun IP Office | 代理人 | Jianq Chyun IP Office |
| 主权项 | 1. A portable apparatus, comprising: a main body, having a surface; an active sound hole; a passive sound hole, wherein the active sound hole and the passive sound hole are both disposed at the surface of the main body, wherein the active sound hole and the passive sound hole are at least partially overlapped with each other; and a receiver, disposed inside the main body, arranged for emitting a first sound wave and a second sound wave, wherein amplitudes and frequencies of the first sound wave and the second sound wave are the same as each other but transmission directions thereof are opposite to each other, the first sound wave is transmitted out of the main body via the active sound hole, and the second sound wave is guided in the main body and transmitted out of the main body via the passive sound hole. | ||
| 地址 | New Taipei TW | ||