发明名称 LOUDSPEAKER
摘要 A speaker comprising; a substantially rectangular case having connection terminals at corners, a substantially rectangular voice coil, a diaphragm, and a substantially rectangular magnetic circuit. The speaker of the present invention is characterized in that a lead drawn out from a corner of the voice coil in proximity to one of the connection terminals extends to the vicinity of another corner on a shorter side of the voice coil, is bent, and then is connected to the connection terminal. The present invention can provide a speaker for use in portable equipment, such as a portable telephone, that can meet the requirements of space reduction without impairing characteristics, such as sound quality and sound pressure, and has excellent connection reliability of the terminal and reduced cost.
申请公布号 WO2004049751(A1) 申请公布日期 2004.06.10
申请号 WO2002JP12428 申请日期 2002.11.28
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;FUKUYAMA, TAKANORI;KONISHI, SHUHEI 发明人 FUKUYAMA, TAKANORI;KONISHI, SHUHEI
分类号 H04R1/06;H04R7/04;H04R9/06;H04R9/10 主分类号 H04R1/06
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