发明名称 SINGLE MAGNET COAXIAL LOUDSPEAKER
摘要 A coaxial loudspeaker for reproducing an electrical sound signal is provided. The loudspeaker has a magnetic driver assembly with a first annular slot and an opposed, coaxial second annular slot, each establishing a permanent magnetic field therein from a single magnet. Independently driven first and second voice coils are positioned within the respective one of the first and second annular slots, each being connected to a transducer element.
申请公布号 US2009003632(A1) 申请公布日期 2009.01.01
申请号 US20070769093 申请日期 2007.06.27
申请人 LIN CHUN-YI;SUMITANI YOICHIRO 发明人 LIN CHUN-YI;SUMITANI YOICHIRO
分类号 H04R25/00 主分类号 H04R25/00
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