发明名称 |
SPEAKER DEVICE |
摘要 |
<p>A speaker device that is smaller in size, lighter in weight, and thinner and that reproduces high-quality sound. The speaker device has a diaphragm (8) and an internal magnet type magnetic circuit (4). The diaphragm (8) is formed such that an inner peripheral edge (8a) is connected to a voice coil bobbin (6), an outer peripheral edge (8b) is connected to a frame (5) via an edge (9), a vertex (8c) is formed between the inner peripheral edge (8a) and the outer peripheral edge (8b), and the inner peripheral edge (8a) and the outer peripheral edge (8b) are positioned closer to the sound radiation side than to the vertex (8c). The internal magnet type magnetic circuit (4) drives a voice coil (7) located at the voice coil bobbin (6) connected to the inner peripheral edge (8a) of the diaphragm (8).</p> |
申请公布号 |
WO2007135745(A1) |
申请公布日期 |
2007.11.29 |
申请号 |
WO2006JP310396 |
申请日期 |
2006.05.24 |
申请人 |
PIONEER CORPORATION;TOHOKU PIONEER CORPORATION;DOHI, HIROYUKI;FURUTO, AKIHIKO |
发明人 |
DOHI, HIROYUKI;FURUTO, AKIHIKO |
分类号 |
H04R9/00;H04R7/12;H04R9/02 |
主分类号 |
H04R9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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