Electrodynamic transducer and method for manufacturing an electrodynamic transducer
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United States of America Patent
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Sep 5, 2017
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Sep 7, 2016
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Abstract
A method for manufacturing an electrodynamic transducer from a membrane system module and a magnet system module is disclosed. The membrane system module comprises an annular first chassis unit made by injection-molding and a diaphragm fixed thereon. A coil is fixed on a coil seat of the diaphragm. The magnet system module comprises a pole piece, a magnet and a yoke that each have a central hole, and a second chassis unit that is made by injection-molding and that fills the central holes in the pole piece, the magnet and the yoke. It surrounds the yoke at least partially, so that the pole piece, the magnet and the yoke are held. In the transducer, the membrane system module and the magnet system module are plugged together, wherein an annular recess on the lower side of the first chassis unit is arranged on a circumferential shoulder of the second chassis unit. This defines a position of the coil relative to the pole piece, to the magnet and to the yoke of the magnet system module.
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