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Electronic smoking article and associated method

  • US 9,854,841 B2
  • Filed: 03/14/2013
  • Issued: 01/02/2018
  • Est. Priority Date: 10/08/2012
  • Status: Active Grant
First Claim
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1. A smoking article, comprising:

  • a control body portion having a control body engagement end, the control body portion having a first control component and a memory therein, the memory being configured to store one or more pre-calculated, pre-programmed challenge-response pairs; and

    a cartridge body portion including a cartridge body engagement end configured to removably engage the control body engagement end, the cartridge body portion further including a consumable arrangement comprising at least an aerosol precursor composition and at least one heating element operably engaged therewith, and a second control component and a second memory, the consumable arrangement being configured to he in communication with the first control component upon engagement between the cartridge body and control body portions,wherein the first control component is configured to execute an authentication process in which the first control component is configured to select;

    a challenge with an associated response from the one or more pre-calculated, pre-programmed challenge-response pairs, and send the challenge to the second control component, and the second control component the configured to send a response to the challenge to the first control component, the first control component being further configured to authorize the consumable arrangement for use with the control body portion, if the response matches the associated response,wherein the second memory is configured to store a cartridge life count that indicates a remaining amount of the aerosol precursor composition, and the first control component is configured to read the cartridge life count from the second memory, and execute the authentication process only in an instance in which the cartridge life count is positive.

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