Patent ID: 6587570
Filing Date: 2003-07-01
Classification: H04R

Abstract:
An electroacoustic transducer operating in accordance with the electrodynamic principle, the transducer comprising a diaphragm, a coil connected to the diaphragm, wherein the coil projects into an annular slot between poles of a magnet system, wherein an initial foil for manufacturing the diaphragm has a thickness of 20-80 micrometers, the diaphragm comprising an annular protrusion integrally formed with the diaphragm, wherein the annular protrusion projects from a side of the diaphragm facing the magnet system and has an end face facing the magnet system, wherein the coil is attached to the end face of the annular protrusion and projects away from the annular protrusion, and wherein the annular protrusion has a groove-shaped cross-section.