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Specialized sensors and techniques for monitoring personal activity

  • US 10,383,551 B2
  • Filed: 03/28/2017
  • Issued: 08/20/2019
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A system for determining an activity of a user comprising:

  • a wearable device worn by the user, the device comprising;

    a plurality of temperature sensors, comprising;

    at least one thermometer adapted to measure temperature of a user; and

    at least one infrared imaging sensor comprising a focal element configured to receive infrared radiation emanating from a detected object located within a predefined, three-dimensional personal activity space and not within a space surrounding said personal activity space;

    a memory in communication with the wearable device, the memory adapted to store;

    object information relating to a plurality of potential object types with which the user may interact;

    activity information relating to a plurality of potential activities the user may undertake with one or more of the potential object types;

    measured temperature of the user at one or more times; and

    information related to detected object infrared radiation at the one or more times; and

    a processor in communication with the wearable device and the memory, the processor configured to;

    determine a first position of the detected object in three-dimensional space at a first time, based on the detected object infrared radiation;

    determine a three-dimensional shape of the detected object at the first time, based on the detected object infrared radiation;

    determine an object type of the detected object from the plurality of potential object types stored in the memory, based on the determined shape of the determined object; and

    determine the activity of the user from the plurality of potential activities stored in the memory, based on the determined object type and the first position of the detected object.

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