Network Cable Visual Marking Device Circuit Topology

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Solution Overview

Problem

Existing solutions for visual identification of network cables are inefficient, particularly in high-speed networks, as they either disrupt signal transmission, require external power sources, or increase cable size, making it difficult to identify cable ends quickly and accurately in complex patching scenarios.

Innovation Solution

A network cable with integrated electronic circuits, including light-emitting diodes (LEDs) and switches, where one circuit is connected to the mains supply at one end and the other at the opposite end, allowing activation of LEDs without dedicating conductive wires or requiring external power, ensuring operation without disrupting signal transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If optical fiber or electroluminescent wire is used for visual identification, then cable visibility is improved, but cable complexity and cost increase

Engineering Contradiction:
Improvecable visibilityVSAvoidcable complexity
Core Design Contradiction:
Illumination intensityVSDevice complexity

Solution Approach 1:

The patent extracts the visual identification function from complex optical fiber or electroluminescent wire systems and implements it using simple LED components integrated into the cable structure. This reduces cable complexity while maintaining visibility functionality.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent uses inexpensive LED components and simple circuitry instead of expensive optical fibers or electroluminescent wires. The LED-based system provides sufficient visibility identification at a lower cost and with less complexity.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Ease of operation

If conductors are dedicated to power supply for visual identification, then identification functionality is improved, but communication speed is reduced

Engineering Contradiction:
Improveidentification functionalityVSAvoidcommunication speed
Core Design Contradiction:
Ease of operationVSSpeed

Solution Approach 1:

The patent makes the existing power conductors serve dual purposes: both power supply for the LED identification system and maintenance of communication signals. This eliminates the need to dedicate separate conductors, thereby preserving high communication speeds while enabling identification functionality.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system uses the cable's own power conductors to supply power to the LED identification components, eliminating the need for external power sources or dedicated power conductors. This self-service approach maintains communication integrity while enabling visual identification.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If external power source is required for visual identification, then identification capability is improved, but device portability is reduced

Engineering Contradiction:
Improveidentification capabilityVSAvoiddevice portability
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent enables the cable to power the LED identification system itself using its existing power conductors, eliminating the need for external power sources. This self-powered approach maintains identification capability while improving device portability and reducing overall system complexity.

Inventive Principle:
Principle #25Self-service

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 rapid and unambiguous identification of cable ends without increasing cable size or requiring external power, maintaining high communication speeds and ensuring signal integrity, even in high-speed networks up to 10 Gb/s.

Implementation Method 1

A network cable with integrated electronic circuits, including light-emitting diodes (LEDs) and switches

Methodology Applied
Scientific EffectLight-emitting diode: Light Emitting Diode

Data Source

PatentEP3061260B1Network cable comprising a visual marking device and a device for visual marking of the end of a network cable
Publication Date: 2019.12.04 BULL SA
  • EP3061260B1 patent drawingFigure 1~2
  • EP3061260B1 patent drawingFigure 3~4

AI summary

The invention relates to a network cable (20) comprising wires intended to carry an electrical supply and a device for visual marking (10) of the ends of said cable. According to the invention, the marking device comprises a first electronic circuit (101) comprising a light-emitting diode (11), a switch (12) and a second electronic circuit (102) comprising at least one light-emitting diode (21); the two circuits being connected by a conducting link (103); said electronic circuits being arranged so that the activation of the switch (12) enables the network power supply to supply at least the light-emitting diode of the electronic circuit of the opposite end.