IP Library Granted Patent US 11,471,079
Granted Patent B2
US 11,471,079 · App. 17/145,108 · Granted Oct 18, 2022

Wearable system and method for monitoring intoxication

Inventors: Keith Harry Nothacker (San Francisco, CA); Will Tammen (San Francsico, CA); Imraan Aziz (San Francisco, CA)
Assignee: KHN Solutions, Inc.
A61B5/1477A61B5/082A61B5/14546A61B5/18A61B5/4023A61B5/4845A61B5/4863A61B5/681A61B5/7275A61B10/0064G01N27/416G01N33/4972G16Z99/00A61B5/0022A61B5/097A61B5/486A61B5/7282A61B2010/0009A61B2503/22A61B2562/0219
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Quick Facts
Patent No.
US 11,471,079
App. No.
17/145,108
Granted
Oct 18, 2022
Kind
B2
Abstract

A system for transdermal alcohol sensing to be worn near a skin surface of a user, including: an alcohol sensor; a microporous membrane; a housing coupled to the alcohol sensor and the membrane, defining a volume between the alcohol sensor and a first membrane side, and fluidly isolating the volume from a second membrane side opposing the first membrane side; an electronics subsystem electrically coupled to the alcohol sensor, operable to power and receive signals from the alcohol sensor; and a fastener operable to position the second membrane side proximal the skin surface.

Claims (29)

1. A system for transdermal alcohol sensing of a user, the system comprising:

an alcohol sensor;

a housing coupled to the alcohol sensor;

a fastener coupled to the housing and operable to position the alcohol sensor proximal to a skin surface of the user;

a first processing system coupled to the housing, wherein the first processing system is configured to communicate with a second processing system, the second processing system coupled to a second housing comprising an electronic display and operable to receive signals from the first processing system, wherein the first processing system is configured to determine a first user location of a set of user locations, and wherein the second processing system is operable to:

determine a second user location of the set of user locations;

determine a value of an intoxication metric based on the signals; and

control the electronic display based on the value of the intoxication metric.

2. The system of claim 1 , wherein the fastener comprises a strap configured to encircle a body region of the user.

3. The system of claim 2 , wherein the fastener comprises a tamper-evident fastening component.

4. The system of claim 1 , further comprising a temperature sensor in communication with at least one of the first and second processing systems.

5. The system of claim 4 , wherein the at least one of the first and second processing systems is configured to calibrate the intoxication metric based on a temperature determined based on the temperature sensor.

6. The system of claim 1 , further comprising a biological sensor in communication with at least one of the first and second processing systems.

7. The system of claim 6 , wherein the biological sensor comprises a heart rate sensor.

8. The system of claim 7 , wherein the at least one of the first and second processing systems is configured to determine a correlation between the intoxication metric and a heart rate metric determined based on the heart rate sensor.

9. The system of claim 8 , wherein the biological sensor is coupled to the fastener.

10. A system for transdermal alcohol sensing, the system comprising:

an alcohol sensor;

a housing coupled to the alcohol sensor;

a processing system coupled to an electronic display and operable to receive signals from the alcohol sensor, wherein at least a portion of the processing system is located remotely from the housing, wherein the processing system is operable to:

determine a value of an intoxication metric based on the signals; and

control the electronic display based on the value of the intoxication metric;

a fastener coupled to the housing and operable to position the alcohol sensor proximal to a skin surface of a wrist of the user; and

a biological sensor onboard the fastener and in communication with the processing system, wherein the biological sensor comprises a heart rate sensor, and wherein the processing system is configured to determine a correlation between the intoxication metric and a heart rate metric determined based on the heart rate sensor.

11. The system of claim 10 , wherein the fastener comprises a tamper-evident fastening component.

12. The system of claim 11 , wherein the processing system is configured to detect an unfastening of the fastener based on the tamper-evident fastening component.

13. The system of claim 10 , wherein the processing system is configured to determine a set of user locations.

14. The system of claim 10 , further comprising a temperature sensor in communication with the processing system.

15. The system of claim 14 , wherein the processing system is configured to calibrate the intoxication metric based on a temperature determined based on the temperature sensor.

Assignments (2)
CHANGE OF NAME Recorded Aug 17, 2023
From: KHN SOLUTIONS, INC.
To: KHN SOLUTIONS, LLC
Reel/Frame 064634/0443 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 8, 2021
From: NOTHACKER, KEITH HARRY; TAMMEN, WILL; AZIZ, IMRAAN
To: KHN SOLUTIONS, INC.
Reel/Frame 054865/0566 →
Continuity (13)
Continuation 16823017 · Mar 18, 2020
Continuation 16218357 · Dec 12, 2018
Continuation 15666062 · Aug 1, 2017
Continuation 15375801 · Dec 12, 2016
Continuation In Part 15294317 · Oct 14, 2016
Continuation 14925675 · Oct 28, 2015
Continuation 14631125 · Feb 25, 2015
Continuation In Part 14470376 · Aug 27, 2014
Continuation 14169029 · Jan 30, 2014
Provisional Application 62269854 · Dec 18, 2015
Provisional Application 61812704 · Apr 16, 2013
Provisional Application 61759390 · Jan 31, 2013
Related Publication 20210153784A1 · May 27, 2021
Cited By (5)
US 12,318,216 US 12,343,133 US 12,458,283 US 12,582,352 US 12,594,012