MOVABLE ARMATURE CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a movable armature container which vibrates an armature with an electric signal supplied to a coil by setting the armature in a magnetic field of one or more magnets. SOLUTION: Disclosed is the compact movable armature container which has a diaphragm element disposed in a gap of a magnet assembly and is provided with a suspension element to define a front chamber. The suspension element has a rigidity of up to 500 N/m. The suspension element and diaphragm element may be made of the same foil sheet, and the suspension element may be fabricated using a bent or curved peripheral portion of the foil. COPYRIGHT: (C)2009,JPO&INPIT