ELECTROACOUSTIC TRANSDUCER Russian patent published in 1997 - IPC

FIELD: communication. SUBSTANCE: device has cap which has acoustic holes and is mounted on free end of housing, electromechanical assembly, sound-emitting element which is designed as diaphragm which is connected to electromechanical assembly, air-cushion which is made from flexible material and is mounted between cap and sound- emitting element. Air-cushion contacts inner surface of cap, has projections which contact sound-emitting element along its outer surface. EFFECT: increased functional capabilities. 4 cl, 3 dwg