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