How Wearable Devices Use Location and Biometrics to Know Who You Are
This patent describes how a computer system can figure out who is using a wearable device by combining its location data with biometric information like a face scan or voice recording.
Patent Number
US 20220189458
Status
Active
Filing Date
January 26, 2022
Grant Date
—
Expiration
January 26, 2042
Claims
24
Assignee
Amazon Technologies
Inventors
Aparna Khare, Spyridon Matsoukas, Shamitha Somashekar, Vishwanathan Krishnamoorthy, Arindam Mandal
Citations
1 forward · 5 backward
What it covers
The patent describes a computer-implemented method (Claim 21) for identifying a user of a wearable device. It works by receiving two types of data: first, location data for the wearable device (Claim 21), and second, biometric data such as image data of a face or audio data of a voice (Claim 21). The system then processes both the location data and the biometric data together to determine the user's identity (Claim 21). For example, if a smartwatch (wearable device) is detected in a specific room in a house (location data) and then records a voice command (audio data), the system can use both pieces of information to confirm if the voice belongs to the known owner of that smartwatch, especially if that owner is typically in that room. The system can also use a known user's profile to compare the biometric data (Claim 22, 23) and consider the type of wearable device (Claim 29) to improve accuracy.
What it doesn't cover
- —Does not cover user identification solely based on biometric data (e.g., just a fingerprint scan) without also using location data or device type.
- —Does not cover systems that identify users without involving a "wearable device" as defined by the claims.
- —Does not cover identification methods that rely only on a user's password or PIN without any biometric or location input.
- —Does not cover systems that determine identity without combining at least two distinct data types: location data and biometric data (image or audio).
The clever bit
The novelty lies in combining location data (like being inside a specific room or a geographic coordinate) with biometric data (face or voice) to determine a user's identity, especially in the context of a wearable device. This multi-factor approach makes identification more robust than relying on biometrics or location alone.
Why it matters
This technology is important for making wearable devices more secure and personalized. By combining location and biometric data, devices can offer more reliable user authentication, which is crucial for accessing sensitive information or making payments. This approach helps prevent unauthorized use and enables seamless, context-aware experiences.
Real-world examples
- 1.Smartwatches unlocking features when worn by the owner in a specific location.
- 2.Smart glasses authenticating the wearer based on their face and GPS data.
- 3.Fitness trackers confirming user identity for secure health data access.
- 4.Voice assistants on earbuds recognizing the user only when in a trusted location.
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US 20220189458 · 2026