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Reader communication with contact lens sensors and display device

  • US 9,557,582 B2
  • Filed: 11/10/2014
  • Issued: 01/31/2017
  • Est. Priority Date: 06/28/2013
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • transmitting, by a reader, radio frequency (RF) power to a sensing device, wherein the sensing device is physically separated from the reader, and wherein the sensing device includes a sensor configured to obtain measurements related to glucose in a bodily fluid;

    communicating with the sensing device, by the reader, using a first wireless protocol, wherein communicating with the sensing device comprises requesting and receiving one or more measurements by the sensor;

    determining first calibration data based on an identifier of the sensing device;

    determining a glucose concentration in the bodily fluid based on the one or more measurements and the first calibration data, wherein determining the glucose concentration in the bodily fluid based on the one or more measurements and the first calibration data comprises determining the glucose concentration in the bodily fluid by a processing system in the reader, wherein the processing system comprises one or more processors and one or more storage components;

    receiving user input from a user of the sensing device;

    responsive to receiving the user input, determining second calibration data specific to the user, wherein determining second calibration data specific to the user comprises determining two different blood glucose levels for the user;

    determining a blood glucose concentration based on the glucose concentration in the bodily fluid and the second calibration data; and

    providing, by a user interface, an indication of the blood glucose concentration.

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