Audio device comprising a microphone

  • US 7,894,621 B2
  • Filed: 09/06/2006
  • Issued: 02/22/2011
  • Est. Priority Date: 09/08/2005
  • Status: Active Grant
First Claim
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1. An audio device comprising a microphone and a sound canal allowing sound to pass from the surroundings to the microphone wherein further a signal path from the microphone to a receiver is provided and powered by a current source, such that sounds received at the microphone may be enhanced and presented at the ear level of the user and wherein a protection screen is provided at the sound canal, whereby the screen comprises a first surface which faces the surroundings and a second surface which faces the sound canal whereby the screen has a slit-formed opening between the first surface and the second surface whereby the screen defines slit-formed opening therethrough and wherein the first surface extends towards the slit-formed opening along a smooth and gradual, curve and meets the second surface along a sharp edge.

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