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Active Acoustic Meta Material Loudspeaker System and the Process to Make the Same

  • US 20170085981A1
  • Filed: 12/02/2016
  • Published: 03/23/2017
  • Est. Priority Date: 12/02/2016
  • Status: Active Grant
First Claim
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1. A speaker comprising:

  • a diaphragm directing sound transverse to a plane of said diaphragm;

    a torus of material surrounding said transverse direction of said sound;

    said torus of material further comprising;

    at least one layer of a micro-perforated sheet;

    at least one layer of insulation;

    a plurality of spaced apart transducers on an external side of said torus outputting pressure waves through said at least one micro-perforated sheet.

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