发明名称 MULTICOIL, VOICE COIL AND ELECTROACOUSTIC TRANSDUCER
摘要 PROBLEM TO BE SOLVED: To provide a multicoil, a voice coil and an electroacoustic transducer which allow for both high performance in voice characteristics and low cost easily.SOLUTION: A multicoil 110 is constituted of coil element A, coil element B and coil element C corresponding to the quantization bit number n of a digital voice signal. The coil element A, coil element B and coil element C are coil wires of the same length. The multicoil 110 has a winding structure where the coil wires of the coil element B and coil element C are wound a plurality of number of turns in the coil vibration direction α, and laminated in the magnetic flux direction &bgr;.
申请公布号 JP2014003588(A) 申请公布日期 2014.01.09
申请号 JP20130053288 申请日期 2013.03.15
申请人 HOSIDEN CORP 发明人 FUJIWARA SATORU;MIYAMOTO MASAAKI;SHINODA MIYUKI
分类号 H04R9/04;H04R7/12 主分类号 H04R9/04
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