Method and apparatus for hydration level of a person

  • US 11,013,461 B2
  • Filed: 02/08/2019
  • Issued: 05/25/2021
  • Est. Priority Date: 12/20/2004
  • Status: Active Grant
First Claim
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1. A hydration sensor for a user comprising:

  • a hydration sensing element configured to measure an attribute regarding saliva of the user; and

    another sensor configured to measure another attribute of the user,wherein the hydration sensor is configured to provide an indication to the user regarding at least a hydration state of the user based on measurements from the hydration sensing element and from the another sensor.

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