Touch Panel Touch-Link Authentication for Mobile Devices

Solution Overview

Problem

Existing security control methods for mobile devices are inefficient and unreliable, particularly due to the need for multiple accounts and passwords, and lack portability, with conventional NFC technologies increasing device size and cost, while current authentication methods provide low security and are cumbersome for users.

Innovation Solution

The use of touch-link technology between mobile and terminal devices for secure communication and verification through touch panels, where identification numbers are transmitted and verified using touch-link technology, enabling secure access and transactions without the need for additional hardware components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If NFC technology is used for wireless communication and authentication, then communication functionality is improved, but device size increases due to additional card sensor components

Engineering Contradiction:

Improvewireless communication functionalityVSAvoiddevice size

Core Design Contradiction:

Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The touch panel serves multiple functions: it acts as both the user interface for touch input and as the communication interface for NFC-like wireless communication. The existing touch electrodes are reused for signal transmission and reception, eliminating the need for separate card sensor components and reducing device volume.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the touch panel functionality with the NFC communication functionality into a single integrated system. The touch electrodes and control circuitry are merged with the NFC signal transmission and reception components, allowing both touch interaction and wireless communication to occur through the same hardware structure.

Inventive Principle:

Principle #5Merging (Combining)

2Adaptability or versatility

If NFC technology is used for wireless communication, then communication functionality is improved, but device cost increases due to extra components

Engineering Contradiction:

Improvewireless communication functionalityVSAvoiddevice cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The touch panel serves multiple functions: it acts as both the user interface for touch input and as the communication interface for NFC-like wireless communication. The existing touch electrodes are reused for signal transmission and reception, eliminating the need for separate card sensor components and reducing device volume.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the touch panel functionality with the NFC communication functionality into a single integrated system. The touch electrodes and control circuitry are merged with the NFC signal transmission and reception components, allowing both touch interaction and wireless communication to occur through the same hardware structure.

Inventive Principle:

Principle #5Merging (Combining)

3Reliability

If conventional authentication methods with multiple accounts and passwords are used, then security control is implemented, but user management complexity increases

Engineering Contradiction:

Improvesecurity controlVSAvoiduser management

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The system enables automatic authentication where the mobile device automatically transmits its identification information to the terminal device through touch-link technology. The terminal device automatically verifies the identification and completes the authentication process without requiring users to manually input accounts or passwords, making the security control transparent and user-friendly.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces the manual mechanical process of typing accounts and passwords with an automatic electronic identification transmission system. The mobile device's unique identification is automatically transmitted through the touch panel's electric field coupling, substituting the cumbersome manual authentication process with a seamless touch-based verification.

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

This approach reduces device size and cost by reusing existing hardware, provides a flexible and efficient security control method that blocks unauthorized access and simplifies user management of accounts and passwords, enhancing security and convenience.

Implementation Method 1

transmit the processed signals to another touch-controlled panel device via the transmitting electrode by electric field coupling

Methodology Applied

Scientific EffectElectric field coupling: Electric Field

Implementation Method 2

receive the transmitted signal via the receiving electrode by electric field coupling

Methodology Applied

Scientific EffectElectric field coupling: Electric Field

Data Source

PatentEP2887255B1Mobile devices, terminal devices, and authentication methods thereof

Publication Date: 2018.11.28 MEDIATEK INC

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AI summary

A mobile device including a touch panel and a processing unit is provided. The touch panel includes one transmitting electrode and one receiving electrode. The transmitting electrode performs signal transmission using a touch-link technology, and the receiving electrode performs signal reception using the touch-link technology. The processing unit receives a message from a terminal device via the receiving electrode, and transmits an identification number to the terminal device via the transmitting electrode according to the message, so as to use the identification number for a verification on the terminal device.