Embedded Biometric Authentication for Seamless Device Access
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Solution Overview
Problem
Existing authentication methods for electronic devices, such as password-based systems and biometric scanners, are either insecure or cumbersome, failing to provide seamless and efficient user verification.
Innovation Solution
Implementing embedded sensors in electronic devices to detect biometric attributes, such as skin features, facial characteristics, and input patterns, allowing for seamless user authentication without additional steps or hardware costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a password or pass code is used for authentication, then the device can be accessed by authorized users, but the security becomes ineffective once the password is known or forgotten
Solution Approach 1:
The patent replaces the mechanical/password-based authentication system with a biometric authentication system using capacitive sensors to detect skin properties. The sensor measures electrical characteristics of the skin (capacitance, conductance) that are unique to each individual, substituting the manual password entry with automatic biometric verification, thereby maintaining security while improving convenience
Solution Approach 2:
The patent creates an electrical copy or model of the user's skin properties by measuring capacitance and conductance values and storing them as authentication templates. Instead of requiring the user to remember a password, the system captures and stores an electrical signature of the skin, then compares future measurements against this stored model for authentication
2Reliability
If a fingerprint scanner or retina scan is used for authentication, then the security is improved, but the hardware cost and time required for authentication increase
Solution Approach 1:
The patent makes the capacitive sensor serve multiple functions: it acts as both the display interface (touchscreen controller) and the biometric authentication sensor. The same sensor array used to detect touch location and pressure also measures skin electrical properties for fingerprintless authentication, eliminating the need for separate fingerprint scanners or retina cameras
Solution Approach 2:
The patent enables the existing touchscreen sensor to perform authentication functions without requiring additional dedicated hardware. The sensor automatically measures skin properties during normal touch interactions, and the processing unit automatically compares these measurements against stored templates, making the system self-sufficient using only its existing components
3Reliability
If a fingerprint scanner or retina scan is used for authentication, then the security is improved, but the authentication process becomes time consuming and bothersome
Solution Approach 1:
The patent enables continuous authentication by having the capacitive sensor constantly monitor skin properties during normal device usage. Instead of requiring a separate authentication step, the system continuously compares the user's skin characteristics against stored templates in the background, providing seamless authentication that occurs during natural interaction with the device
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
Enables quick and secure user verification by comparing detected biometric attributes with stored data, ensuring authorized access to device resources while minimizing power consumption and user inconvenience.
Implementation Method 1
the sensor may include a capacitive sensor operative to detect features of a user's skin
Data Source
AI summary
This invention is directed to an electronic device with an embedded authentication system for restricting access to device resources. The authentication system may include one or more sensors operative to detect biometric information of a user, The sensors may be positioned in the device such that the sensors may detect appropriate biometric information as the user operates the device, without requiring the user to perform a step for providing the biometric information (e.g., embedding a fingerprint sensor in an input mechanism instead of providing a fingerprint sensor in a separate part of the device housing). In some embodiments, the authentication system may be operative to detect a visual or temporal pattern of inputs to authenticate a user. In response to authenticating, a user may access restricted files, applications (e.g., applications purchased by the user), or settings (e.g., application settings such as contacts or saved game profile).