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High frequency air pulse generator

  • US 7,121,808 B2
  • Filed: 11/15/2002
  • Issued: 10/17/2006
  • Est. Priority Date: 11/15/2002
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a housing having an interior region and at least first and second walls,an air pulse assembly situated in the interior region, the air pulse assembly including a first diaphragm near the first wall, a second diaphragm near the second wall, and a motor operable to move the first and second diaphragms,a circuit board situated in the interior region between the first diaphragm and the first wall, anda blower situated in the interior region between the second diaphragm and the second wall.

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