NFC Mobile Device Authentication for Control Systems

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Solution Overview

Problem

Conventional wireless communication systems have limited functionality for interactive transactions with control systems, requiring additional designs to accommodate user interactions effectively.

Innovation Solution

The method involves accessing an application on a mobile device to identify user information parameters and generating a near field communication (NFC) message, which is then transmitted to initiate control procedures, enabling interactive transactions with control systems using NFC technology for tasks like user authentication, customization, and resource management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional wireless communication signaling is used with a control system, then basic one-way communication is achieved, but interactive transaction functionality is limited

Engineering Contradiction:

Improveinteractive transaction functionalityVSAvoidadditional designs required

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements NFC technology to enable mobile devices to perform multiple functions including authentication, data exchange, and control initiation within a single standardized framework, eliminating the need for separate specialized designs for different interaction types

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces an NFC message as an intermediary carrier that facilitates bidirectional communication between mobile devices and control systems, enabling interactive transactions without requiring complex direct integration designs

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If manual data input is required for user interactions, then data accuracy can be maintained, but user interaction complexity increases

Engineering Contradiction:

Improveuser interaction simplicityVSAvoidmanual input requirements

Core Design Contradiction:

Ease of operationVSLoss of information

Solution Approach 1:

The patent enables mobile devices to automatically generate and transmit NFC messages containing user information parameters without requiring manual data entry, allowing the system to serve itself by extracting and utilizing available device data

Inventive Principle:

Principle #25Self-service

3Adaptability or versatility

If additional designs are implemented to accommodate user interactions, then control functionality is enhanced, but system complexity increases

Engineering Contradiction:

Improvecontrol functionalityVSAvoidsystem design complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent leverages the universal NFC communication standard to provide diverse control functionalities (authentication, customization, resource management) through a single unified interface, avoiding the need for multiple specialized communication channels

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent pre-configures the mobile device with necessary applications and credentials that automatically prepare and transmit appropriate NFC messages, eliminating the need for complex runtime decision-making and additional control logic

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS9793962B2Processing near field communications between active/passive devices and a control system

Publication Date: 2017.10.17 HARMAN PROFESSIONAL INC

AI summary

Disclosed are example near field communication (NFC) devices and methods of operation configured to provide a user with easy access to operating a control system. One example method of operation may include accessing an application on a mobile device and identifying a user information parameter. The method may also provide generating a near field communication message that includes the user information parameter and transmitting the near field communication message to initiate a control procedure.