发明名称 |
Loudspeaker and electronic equipment including the loudspeaker |
摘要 |
Provided is a loudspeaker having a thin long structure, and the loudspeaker includes: a frame; a diaphragm having a hollow structure and in which a shape of a plane that is perpendicular to a vibration direction is an oblong shape having a long side and a short side; an edge vibratably supporting the diaphragm and being fixed to the frame; at least one cylinder-shaped voice coil bobbin connected to the diaphragm in a penetrating manner; a voice coil disposed inside the hollow structure of the diaphragm and attached to the voice coil bobbin; and a magnetic circuit disposed inside the voice coil bobbin and configured to drive the voice coil. |
申请公布号 |
US9106992(B2) |
申请公布日期 |
2015.08.11 |
申请号 |
US201213977967 |
申请日期 |
2012.10.23 |
申请人 |
PANASONIC INTELLECUAL PROPERTY MANAGEMENT CO., LTD. |
发明人 |
Takewa Hiroyuki |
分类号 |
H04R1/00;H04R9/02;H04R7/12;H04R9/04 |
主分类号 |
H04R1/00 |
代理机构 |
Wenderoth, Lind & Ponack, L.L.P. |
代理人 |
Wenderoth, Lind & Ponack, L.L.P. |
主权项 |
1. A loudspeaker having a thin long structure, the loudspeaker comprising:
a frame; a diaphragm having a hollow structure and in which a shape of a plane that is perpendicular to a vibration direction is an oblong shape having a long side and a short side; an edge vibratably supporting the diaphragm and being fixed to the frame; at least one cylinder-shaped voice coil bobbin connected to the diaphragm in a penetrating manner; a voice coil disposed inside the hollow structure of the diaphragm and attached to the voice coil bobbin; a magnetic circuit disposed inside the voice coil bobbin and configured to drive the voice coil; a conductive line connecting a terminal disposed on the frame and an eyelet secured at a terminal part of the diaphragm in a long side direction thereof; and a lead line connecting the eyelet and the voice coil, wherein the lead line is attached inside the diaphragm. |
地址 |
Osaka JP |