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Electronically readable system and device with changing codes

  • US 10,318,604 B2
  • Filed: 02/13/2017
  • Issued: 06/11/2019
  • Est. Priority Date: 02/13/2017
  • Status: Active Grant
First Claim
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1. An electronically readable device comprising:

  • a. an anode layer;

    b. a cathode layer;

    c. an electrolyte configured to contact the anode layer and the cathode layer; and

    d. a base comprising one or more electronically readable codes,wherein after activation of the device, the anode layer depletes to uncover the one or more electronically readable codes such that for a subsequent period of time the electronically readable code is different than an electronically readable code of a previous period of time.

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