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Particulate detection and air advice provision

  • US 20020186137A1
  • Filed: 07/26/2002
  • Published: 12/12/2002
  • Est. Priority Date: 08/31/1999
  • Status: Active Grant
First Claim
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1. An allergen data collection device comprising:

  • a sensor to detect presence of allergen with sizes smaller than 5 micron in an air stream, and to output signals indicative of the amount of allergen present, if any, at different points in time; and

    a communication interface coupled to the sensor to facilitate forwarding of data values digitized from the output signals to a proximally located digital apparatus for transmission to a geographically removed air/asthma advice server.

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