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Non-contact respiration monitor

  • US 7,169,112 B2
  • Filed: 09/09/2004
  • Issued: 01/30/2007
  • Est. Priority Date: 09/10/2003
  • Status: Expired due to Fees
First Claim
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1. A respiration monitoring device comprising:

  • a body having an inlet and an outlet in fluid communication;

    a connector having a sealing surface on said air outlet end of said body, wherein said sealing surface is adapted to permit fluid-tight engagement with an air input orifice of an air filter canister of a gas mask;

    a detector disposed between said inlet and said outlet comprising a flap-valve switch actuatable by respiration air of a wearer of said gas mask;

    a logic circuit configured to report respiration actuated movement of said flap-valve; and

    a battery for powering said logic circuit.

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