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Metering system and method for aerosol delivery

  • US 7,305,984 B2
  • Filed: 09/25/2003
  • Issued: 12/11/2007
  • Est. Priority Date: 09/25/2003
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a variable acoustic source acoustically coupled to a volume, the volume being divided into an air region and a fluid region, the fluid region having a fluid output;

    a microphone acoustically coupled to the volume;

    a first processor configured to receive a signal from the microphone, and further configured to determine a volume of the air region;

    a fluid valve configured to allow an amount of fluid to exit the fluid region, the amount of fluid being associated with the determined volume of the air region; and

    an atomizer coupled to the fluid output, the atomizer configured to aerosolize at least a portion of the amount of fluid to exit the fluid region.

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