发明名称 SPEAKER DEVICE
摘要 PROBLEM TO BE SOLVED: To attacht a second speaker to the center of a first speaker, particularly in a state that the second speaker is stably and exactly positioned in a coaxial type speaker constituted so that the second speaker is attached to a center pole on which the magnetic circuit of a first speaker is formed. SOLUTION: A cylindrical support 30 approximately in a shape of a cup is formed by forging by a steel plate, the bottom of the cylindrical support 30 is fixed on the center pole 12 of the magnetic circuit 10 of the first speaker with a screw 31 and the outer peripheral surface of a magnetic circuit 33 of the second speaker 32 is engaged and held by an engagement support part at the tip and the opening side of the cylindrical support 30. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005033593(A) 申请公布日期 2005.02.03
申请号 JP20030271631 申请日期 2003.07.07
申请人 SONY CORP 发明人 MINAMI HIDEKI
分类号 H04R9/00;H04R9/02;H04R9/04;(IPC1-7):H04R9/00 主分类号 H04R9/00
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