Patent ID: 7336797
Filing Date: 2008-02-26
Classification: H04R

Abstract:
1. A receiver assembly comprising: a housing having a fixed housing portion and a moveable housing portion; a flexible membrane disposed between the fixed housing portion and the movable housing portion, wherein the flexible membrane is adapted to allow relative motion between the fixed and moveable housing portions and to enclose the fixed and moveable housing portions to provide an enclosed housing; a magnetic motor assembly positioned within the enclosed housing and including a displaceable drive rod; and a link assembly disposed within the enclosed housing having a first end fixedly attached to an inner surface of the moveable housing and a second end coupled to the drive rod, wherein the link assembly translates the moveable housing portion relative to the fixed housing portion in response to the displacement of the drive rod; wherein the flexible membrane defines a bellows-like member adapted to flex between a compressed position and an extended position.