Patent ID: 8155374
Filing Date: 2012-04-10
Classification: H04R

Abstract:
1. An electroacoustic transducing device, comprising: a magnetic circuit having a yoke, a magnet and a pole piece, said yoke having side walls and gaps formed between said side walls; a magnetic gap; a vibration system having a diaphragm and a voice coil, said voice coil being placed in said magnetic gap and having lead wires; and a frame which holds said magnetic circuit and said vibration system, said frame defining a bottom plate, said bottom plate defining openings, wherein: said lead wires are drawn out from said voice coil at positions which are remote from said diaphragm through substantially opposed ones of said gaps between said yoke side walls; said lead wires have U or V-like slack portions therein, which have been formed by hooking the lead wires around forming jigs extending through said openings in said bottom plate during the wire laying process; and said lead wires being connected to external connection terminals, which are attached to said frame.