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Electronic smoking device

  • US 9,439,455 B2
  • Filed: 05/02/2011
  • Issued: 09/13/2016
  • Est. Priority Date: 04/30/2010
  • Status: Active Grant
First Claim
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1. An electronic smoking device comprising:

  • a first sensor for detecting airflow along an air flow path;

    a liquid compartment for storing a smoking liquid;

    a passive dispensing control device covering both the air flow path and an opening in the liquid compartment, the passive dispensing control device having a micro aperture pattern configured to dispense the smoking liquid from the liquid compartment as airflow is being drawn through the passive dispensing control device;

    a heater disposed adjacent the passive dispensing control device; and

    a controller configured to activate the heater when the first sensor detects airflow.

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