Optical Fiber Faceplate Indicia for Orientation

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Solution Overview

Problem

Current fiber optic systems face challenges in ensuring proper connectivity and intermateability of components, particularly in larger networks where tracking individual optical fibers and maintaining signal polarity can be complex, limiting the availability of additional connectivity methods and components.

Innovation Solution

A fan-out unit with a faceplate featuring visually distinct indicia that indicates the correct orientation for inserting optical fibers, allowing for simplified connectivity and differentiation between 'ALPHA' and 'BETA' modules, enabling easy identification of the necessary inversion for proper connection in fiber optic systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If visual indicia are made readable in multiple orientations, then ease of operation is improved, but device complexity increases

Engineering Contradiction:
Improveease of connectionVSAvoidfacial plate complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The faceplate employs asymmetric visual indicia design where markings are specifically oriented to be readable only in correct insertion orientation. This asymmetric configuration naturally prevents incorrect connections while maintaining simple manufacturing, resolving the contradiction between ease of correct connection and device complexity.

Inventive Principle:
Principle #4Asymmetry

Solution Approach 2:

The patent applies inversion by making the indicia intentionally unreadable or misleading in incorrect orientations. The visual markings are designed to appear incorrect or illegible when the connector is inserted backwards or rotated, thereby guiding operators to the correct orientation without requiring complex additional features.

Inventive Principle:
Principle #13The other way round (Inversion)

2Reliability

If fiber tracking and polarity maintenance are implemented in large networks, then reliability is improved, but device complexity increases

Engineering Contradiction:
Improveconnectivity reliabilityVSAvoidnetwork complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent utilizes color-coded visual indicia on the faceplate to indicate fiber polarity and connection orientation. Different colors or color patterns on the faceplate correspond to specific fiber assignments and connection requirements, enabling reliable fiber tracking and polarity maintenance through simple visual differentiation without complex electronic or mechanical systems.

Inventive Principle:
Principle #32Color changes

3Ease of manufacture

If connectivity methods are standardized, then ease of manufacture is improved, but adaptability decreases

Engineering Contradiction:
Improvemanufacturing standardizationVSAvoidconnectivity versatility
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent designs a universal faceplate structure with standardized mechanical features that can accommodate multiple connector types and configurations. The same basic faceplate design with appropriately positioned visual indicia can support different fiber arrangements and connection methods, enabling manufacturing standardization while maintaining adaptability to various connectivity requirements.

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

Data Source

PatentUS7416347B2Optical fiber array connectivity system with indicia to facilitate connectivity in four orientations for dual functionality
Publication Date: 2008.08.26 COMMSCOPE NORTH CAROLINA LLC
  • US7416347B2 patent drawing
  • US7416347B2 patent drawing
  • US7416347B2 patent drawing

AI summary

A fan-out unit for a data communication system includes: a plurality of optical fibers; and a faceplate with a plurality of ports arranged in at least one row, each of the ports being optically interconnected with a respective one of the optical fibers and configured to received a mating optical fiber. The faceplate includes a first visual indicia associated with the ports that indicates an arrangement in which mating optical fibers are to be inserted into the ports, the first visual indicia being easily readable when the faceplate is in either a first horizontal orientation or a first vertical orientation, but not being easily readable when the faceplate is in a second horizontal orientation that is inverted from the first horizontal orientation or a second vertical orientation that is inverted from the first vertical orientation.