RFID Security System for Portable Devices

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Solution Overview

Problem

Conventional security systems for portable electronic devices, such as password and fingerprint identification, are vulnerable to hacking and inconvenient for users, with poor identification accuracy.

Innovation Solution

A radio frequency identification (RFID) security system that uses an RFID tag and a portable electronic device to control access through a non-contact method, where the RFID tag receives a reader ID code and transmits a user ID code only if it matches a stored password, ensuring secure and convenient access management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a password security system is used to control access to portable electronic devices, then user authentication is provided, but the system is vulnerable to hacking and requires complicated manual input

Engineering Contradiction:

ImprovesecurityVSAvoidmanual input convenience

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the mechanical manual password input system with an RFID-based automatic identification system. The RFID tag contains a unique ID code that is automatically read by the reader when brought close to the device, eliminating the need for manual keyboard input and reducing vulnerability to hacking while maintaining security.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent uses RFID tags as portable copies of user identification credentials. Instead of requiring users to manually enter passwords, the system reads the ID code stored in the RFID tag, providing a convenient and secure authentication method that eliminates manual input while maintaining reliability.

Inventive Principle:

Principle #26Copying

2Ease of operation

If fingerprint identification is used to control user access, then contact-based identification is provided, but the identification plate becomes worn from long-term use affecting accuracy

Engineering Contradiction:

Improvecontact identification convenienceVSAvoididentification accuracy

Core Design Contradiction:

Ease of operationVSMeasurement precision

Solution Approach 1:

The patent replaces the contact-based fingerprint identification system with a non-contact RFID reading system. The RFID reader reads the ID code wirelessly when the tag is brought close to the device, eliminating physical contact and wear on identification plates while maintaining ease of operation and improving long-term identification accuracy.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If conventional contact identification methods are used, then user access is controlled, but the system is easily broken by hackers and has poor identification accuracy

Engineering Contradiction:

Improveaccess controlVSAvoidsecurity against hacking

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent replaces conventional contact-based identification methods with RFID technology. The RFID system reads the ID code wirelessly without physical contact, eliminating wear and tear on identification plates while maintaining ease of operation. This non-contact method also improves security against hacking and maintains better identification accuracy over time.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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

The RFID security system provides enhanced security by preventing easy cracking and manual input errors, while allowing multiple user management and preventing unauthorized access, thus offering a more reliable and user-friendly alternative to traditional contact-based identification methods.

Implementation Method 1

The tag antenna receives a reader ID code

Methodology Applied

Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Implementation Method 2

the tag controller transmits a user ID code through the tag antenna

Methodology Applied

Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Data Source

PatentUS7382225B2Radio frequency identification security system and method

Publication Date: 2008.06.03 COMPAL ELECTRONICS INC

AI summary

A radio frequency identification (RFID) security system includes an RFID tag and a portable electronic device. The RFID tag has a user ID code. The portable electronic device has a reader, an identification memory and an identification controller. The reader is used to communicate with the RFID tag and to receive the user ID code. The identification memory is used to store a user password. The identification controller is electrically connected to the reader and the identification memory and is used to compare the user ID code and the user password. When the user ID code is the same as the user password, the identification controller is arranged to transmit an enable signal to grant the access of the portable electronic device.