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Electromagnetic interference shields with piezos

  • US 8,457,333 B2
  • Filed: 02/21/2012
  • Issued: 06/04/2013
  • Est. Priority Date: 09/05/2008
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • an electronic device housing;

    a printed circuit board (PCB);

    a component, the component being mounted on the PCB and substantially enclosing a first volume of air;

    an audio exit opening arranged through a surface of the electronic device housing;

    an audio seal enclosing a second volume of air within the electronic device housing, the second volume of air in direct contact with the component and the audio exit opening; and

    a speaker mounted on a surface of the component so that the first volume of air enclosed by the component serves as a back volume and the second volume of air serves as a front volume, the two volumes of air operative to enhance sound waves produced by the speaker.

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