Directional microphone assembly

Directional microphone assembly

Directional microphone assembly

Directional microphone assembly

Directional microphone assembly

Directional microphone assembly

Directional microphone assembly

Directional microphone assembly

Directional microphone system

Directional microphone system providing for ease of assembly and

Directional/omni-directional hearing aid microphone and housing

Discriminating between stationary and non-stationary signals

Disk diaphragm for a loudspeaker

Disposable audio processor for use with implanted hearing device

Disposable extended wear canal hearing device

Disposable foam sleeve for sound control device and container th

Disposable hearing aid

Disposable hearing aid with integral power source

Disposable modular hearing aid

Disposable modular hearing aid