Telephone handset, cordless telephone or mobile telephone for improving acoustic problems in a frequency range

Abstract

A telephone handset, a cordless telephone or a mobile telephone ( 4 ) comprising a transducer ( 2 ) provided as a circular capsule ( 2 ), which along a ring-shaped front side by means of a ring-shaped gasket is connected to an inner wall of an earcap plane or an earpiece ( 10 ), which in front of the front side of the transducer diaphragm has a number of apertures ( 14 ), and where a number of acoustic connections ( 16 ) to an interior cavity ( 6 ) and occurring leakages of the handset or the telephone are provided in said earcap plane or earpiece ( 10 ) in such a manner, that said connections ( 16 ) are positioned outside the ring-shaped gasket ( 12 ) and preferably outside the circumference of the transducer ( 2 ) but inside a diameter determined by the ear represented by a standardized measuring ear, that is inside a diameter of preferably 25 mm.