Smart Wallet Mobile Device Biometric Access Control

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Solution Overview

Problem

Users still rely on physical cards and cash due to mistrust in digital alternatives and the inconvenience of carrying and accessing traditional wallets, which can be misplaced.

Innovation Solution

A system and method that integrates a smart wallet with a mobile device, using biometric verification on both devices to control access to the wallet's storage enclosure, with the mobile device monitoring contents and sending an unlock signal when docked, and the wallet controlling access when undocked, enhancing security and tracking items.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a smart wallet with biometric verification is used, then security is improved, but device complexity increases and it may be easily misplaced

Engineering Contradiction:
ImprovesecurityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the smart wallet with a mobile device into a single integrated unit. The mobile device and wallet enclosure are merged such that the wallet is docked with the mobile device, sharing common components including biometric sensors, processors, and communication interfaces. This integration eliminates the need for a separate standalone smart wallet device while maintaining security functionality.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The mobile device is designed to perform multiple functions: it serves as both a computing device and a smart wallet enclosure. The same biometric sensor and processor on the mobile device are used for both device access control and wallet security, eliminating redundancy and reducing overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If biometric verification is required for wallet access, then security is improved, but ease of operation deteriorates

Engineering Contradiction:
ImprovesecurityVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system uses the mobile device's existing biometric authentication capability to automatically control wallet access. When the user authenticates to the mobile device, the system automatically grants or denies wallet access without requiring a separate manual verification step. The wallet enclosure is automatically locked or unlocked based on the mobile device's authentication state.

Inventive Principle:
Principle #25Self-service

3Reliability

If the smart wallet monitors contents and sends unlock signals, then reliability is improved, but use of energy increases

Engineering Contradiction:
Improveaccess control reliabilityVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The system maintains continuous monitoring of the wallet enclosure state and mobile device docking status through shared sensors and processors. The proximity sensor continuously detects whether the wallet is docked with the mobile device, and the system continuously monitors the locked/unlocked state of the enclosure, enabling immediate response to docking events without requiring periodic polling or user intervention.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentUS10395020B2System and method for sending an unlock signal to a smart wallet engaged to a mobile device
Publication Date: 2019.08.27 MOTOROLA MOBILITY LLC
  • US10395020B2 patent drawing
  • US10395020B2 patent drawing
  • US10395020B2 patent drawing

AI summary

An apparatus includes a smart wallet and a mobile device. The smart wallet includes a first body defining an enclosure, a first biometric sensor, and a first processor to unlock a portion of the first body to allow access to the enclosure responsive to validating a biometric input from the first biometric sensor. The mobile device includes a second body having an attachment interface for removably coupling to the first body and a second processor. The second processor is to send a signal to unlock the portion of the first body based on a user input on the mobile device.