Patent ID: 8923543
Filing Date: 2014-12-30
Classification: H04R

Abstract:
1. A hearing assistance device for providing sound to an ear canal of a user, comprising: a device housing configured to be worn at least partially in the ear canal of the user, the device housing defining a vent structure extending from a first portion of the housing to a second portion of the housing to provide an acoustic path for sounds to pass through the device; a vent valve positioned within at least a portion of the vent structure, the vent valve having at least a first state and a second state, the vent valve comprising: a coil actuator; a processor configured to provide at least one signal to the coil actuator to cause the disk to move to controllably adjust the vent structure; and a magnetic core including a first end and a second end, wherein the coil actuator is disposed about the magnetic core, and wherein the first end of the magnetic core and the second end of the magnetic core at least partially define the magnetic catch.