Wearable Vein Authentication With Proximity and Challenge Response

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Solution Overview

Problem

Existing biometric authentication systems lack robust, secure, and user-friendly methods for personal identification and asset protection, particularly in environments requiring high precision and proximity sensing.

Innovation Solution

A biometric authentication system utilizing vein imaging through a rotating ring mechanism with integrated position sensing technology and blood oxygenation/blood flow detection, combined with proximity detection and cryptographic challenge-response protocols, ensures secure and reliable identity verification.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional biometric authentication methods are used, then implementation is simple, but security and precision are insufficient

Engineering Contradiction:

Improveauthentication securityVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple biometric sensing modalities (vein imaging, blood oxygenation detection, blood flow detection) and position sensing technology into a single integrated wearable device. This merging of functions achieves high-security authentication while managing device complexity through unified hardware and software architecture.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The wearable device is designed to perform multiple functions: biometric authentication, position sensing, proximity detection, and physiological monitoring. This multi-functionality allows a single device to provide comprehensive security solutions across various applications without requiring separate systems.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Measurement precision

If proximity sensing is added to authentication, then location accuracy improves, but device complexity increases

Engineering Contradiction:

Improveposition detection accuracyVSAvoidsensing system complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

Position sensing technology is merged with the existing biometric sensing components in the wearable device. The same device structure and processing unit handle both biometric data and position data, avoiding the need for separate position sensing systems and reducing overall device complexity.

Inventive Principle:

Principle #5Merging (Combining)

3Reliability

If multiple biometric factors are integrated, then authentication reliability improves, but ease of operation decreases

Engineering Contradiction:

Improveauthentication robustnessVSAvoiduser interaction simplicity

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The system performs automatic multi-factor authentication without requiring explicit user input for each factor. The device autonomously collects vein images, blood oxygenation levels, and blood flow data, then compares them against stored biometric templates to provide authentication decisions, making the process as simple as wearing the device near the authentication point.

Inventive Principle:

Principle #25Self-service

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Provides deterministic, unambiguous, and precise biometric authentication with millimeter precision, enhancing security and convenience in applications like door access and robotic manufacturing.

Implementation Method 1

biometric sensors that use photoacoustic tomography or other vein imaging techniques

Methodology Applied

Scientific EffectPhotoacoustic tomography: Photoacoustic Effect

Implementation Method 2

Vein images are obtained using one or more biometric sensors that use photoacoustic tomography or other vein imaging techniques

Methodology Applied

Scientific EffectVein imaging: Absorption (EM radiation)

Implementation Method 3

a novel rotating ring mechanism designed to capture vein images from multiple angles

Methodology Applied

Scientific EffectRotation:

Implementation Method 4

The system also includes the integration of position sensing technology for proximity detection

Methodology Applied

Scientific EffectPosition sensing:

Implementation Method 5

the CID initiates a cryptographic challenge-response protocol to verify the identity of the PID

Methodology Applied

Scientific EffectCryptographic verification:

Data Source

PatentUS20250348569A1Biometric Authentication System

Publication Date: 2025.11.13 SOLIMAN ABDALLAH SADEK

AI summary

A biometric authentication system is disclosed. In one embodiment, a method includes detecting an interaction between a biometric authentication device and an external system, generating biometric information of a device wearer using a biometric sensor of the biometric authentication device, comparing the biometric information of the device wearer to stored biometric information, and transmitting to the external system an authentication result based on the comparison of the biometric information of the device wearer to the stored biometric information.