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Structure of an andio device

  • US 20090185698A1
  • Filed: 02/26/2008
  • Published: 07/23/2009
  • Est. Priority Date: 01/18/2008
  • Status: Abandoned Application
First Claim
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1. A structure of an audio device for receiving an audio signal, comprising:

  • a housing accommodating a circuit board, at least a speaker, and at least an optical trace detecting module;

    wherein the circuit board has a micro control unit and a memory;

    the speaker is coupled to the circuit board; and

    the optical trace detecting module is coupled to the micro control unit;

    wherein the optical trace detecting module at least has a light source and a image sensor for detecting a user'"'"'s finger moving thereon so as to generate a corresponding moving signal, which is supplied to the micro control unit;

    whereby, in response to the moving signal, the micro control unit generates a first control signal for adjusting the audio signal.

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