I/O Device Address Verification via Coded Light Display

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Solution Overview

Problem

Existing communication systems between input/output devices and controllers lack effective mechanisms for verifying addresses, which can lead to errors and security vulnerabilities, especially in secure communication channels.

Innovation Solution

An input/output device equipped with a bus interface, memory, and light-emitting components that stores and verifies an address by displaying it in coded form using the light-emitting components, ensuring correct address confirmation before establishing a secure communication channel.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If address verification is implemented using existing communication systems, then security and reliability of communication channels are improved, but device complexity and cost increase due to additional verification components

Engineering Contradiction:
Improveaddress verification reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces light-emitting components as an intermediary verification device that displays address information in coded form. This intermediary component enables address verification without requiring complex cryptographic hardware or additional communication protocols, thus improving reliability while minimizing device complexity

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces electronic/digital address verification mechanisms with an optical display system. By using light-emitting components to visually present address information, the system substitutes complex electronic verification with a simpler optical interface that can be independently verified by humans or external devices

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If address verification is implemented using existing communication systems, then security of communication channels is enhanced, but ease of operation deteriorates due to additional verification steps

Engineering Contradiction:
Improvecommunication securityVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The light-emitting components serve as an intermediary that presents address information in a human-readable coded form. This allows operators to verify addresses through simple visual inspection rather than complex electronic verification procedures, maintaining security while improving ease of operation

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent uses light-emitting components that can display different coded forms of address information, potentially using color or pattern variations to encode address data. This visual encoding method enables quick verification without requiring operators to interpret complex digital data, thus maintaining security while simplifying operation

Inventive Principle:
Principle #32Color changes

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 solution effectively verifies addresses, reducing the likelihood of errors and enhancing security in communication channels by ensuring that only correctly addressed data is processed, thereby improving the reliability and security of data transmission.

Implementation Method 1

a plurality of light-emitting components... configured to display the address in coded form using the light-emitting components

Methodology Applied
Scientific EffectLight-emitting diode (LED): Light Emitting Diode

Data Source

PatentUS20250141882A1Address verification by visually displaying the address in coded form
Publication Date: 2025.05.01 WAGO VERW GMBH
  • US20250141882A1 patent drawing
  • US20250141882A1 patent drawing
  • US20250141882A1 patent drawing

AI summary

An input/output device and a method for verifying an address of an input/output device are provided. The input/output device comprises an input and/or an output, a bus interface, a memory and a plurality of light-emitting components. The input and/or the output is configured for connecting field devices. The bus interface is configured for the indirect or direct connection of the field devices to a field bus. The memory is configured to store an address. The input/output device is configured to receive data directed to the address via the bus interface. The input/output device is further configured to display the address in coded form using the light-emitting components.