Audio device comprising a microphone

  • US 8,494,204 B2
  • Filed: 01/25/2011
  • Issued: 07/23/2013
  • Est. Priority Date: 09/08/2005
  • Status: Active Grant
First Claim
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1. An audio device, comprising:

  • an external casing;

    a microphone housed within the external casing, acoustically connected through a sound canal to an inlet port of the external casing; and

    a protective cover attached to the external casing above the inlet port, the protective cover includinga first surface facing substantially toward exterior of the audio device, the first surface having a smooth curvature toward an elongated slit opening of the protective cover, anda second surface facing toward interior of the audio device, the second surface meeting the first surface along an edge defining the boundary of the elongated slit opening.

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