Yoke - and the armature - structural unit in a receiver

摘要

Acoustic receiver with:a coil;a one-piece material, the one armature - and the yoke - structural unit, wherein the armature in the general u - rod-shaped element and the yoke has a central section and a wall section, which extends from the middle section has;a first magnet and a second magnet, wherein the first magnet is supported by the yoke, a portion of the armature through the coil and between the first magnet and the second magnet, and the second magnet is attached to the housing;a housing containing the coil, the armature - and the yoke - structural unit, the first magnet and the second magnet encloses,with electric current of the coil is excited and an alternating flow of the armature between the first magnet and the second magnet moves.