发明名称 Coaxial speaker device and manufacturing method thereof
摘要 A speaker device includes speaker units for high-frequency band reproduction and for low-frequency band reproduction and a supporting member. fixed to an opening of a center pole of the speaker unit for low-frequency band reproduction, serves as a lower frame of the speaker unit for low-frequency band reproduction, and has a frame portion onto which an upper end surface and engaging claws are formed. The speaker unit for high-frequency band reproduction has a frame portion, a magnetic circuit system, an upper frame, a diaphragm having an edge portion and a cover. On the upper frame, an engaging recess portion is formed, and at the outer peripheral edge portion of the diaphragm, a recess portion corresponding to the engaging recess portion is formed. The upper frame is fixed onto the upper surface of the magnetic circuit system, and the diaphragm is fixed onto the upper frame, respectively.
申请公布号 US2005271236(A1) 申请公布日期 2005.12.08
申请号 US20050086206 申请日期 2005.03.23
申请人 KOBAYASHI HIROYUKI;KASAHARA KENICHI;HAYASAKA SHINICHI;HIKICHI TOSHIHIRO 发明人 KOBAYASHI HIROYUKI;KASAHARA KENICHI;HAYASAKA SHINICHI;HIKICHI TOSHIHIRO
分类号 H04R9/02;H04R1/24;H04R7/20;H04R25/00;(IPC1-7):H04R25/00 主分类号 H04R9/02
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