Compact Fiber Optic Connector Assembly with Tunable Ferrule Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fiber optic connectors face challenges in outdoor deployments due to space constraints and the need for quick, easy, and cost-effective connectivity, particularly in transitioning from outdoor to enclosed spaces, with conventional connectors being bulky and requiring complex mounting.
Innovation Solution
The development of compact fiber optic connectors with a housing and ferrule design that allows for tunable rotation and secure attachment, featuring a transition region with asymmetric geometry and a ferrule retention mechanism, enabling easy assembly and compatibility with various connector types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional hardened fiber optic connectors are used for outdoor deployments, then environmental sealing and reliability are improved, but the connector size and mounting complexity increase
Solution Approach 1:
The patent combines the ferrule, ferrule holder, and housing into an integrated assembly where the ferrule holder is formed as part of the housing structure. This merging eliminates separate mounting brackets and reduces the overall connector volume while maintaining the environmental sealing capabilities through the integrated design.
Solution Approach 2:
The patent employs a nested structure where the ferrule is held within the ferrule holder, which is itself integrated into the housing. The dust cap nests over the front opening to protect the ferrule interface. This nested arrangement achieves compact sizing while preserving reliability through multiple protective layers.
2Adaptability or versatility
If conventional connectors are used for transitioning from outdoor to enclosed spaces, then connectivity is achieved, but the mounting process becomes complex and time-consuming
Solution Approach 1:
The patent implements self-aligning features where the asymmetric cross-section of the housing automatically orients the connector correctly during insertion. The ferrule holder integrates mounting features directly into the housing structure, eliminating the need for separate mounting brackets and complex assembly procedures. This self-service approach reduces mounting complexity while maintaining versatile connectivity options.
3Volume of moving object
If compact connector design is implemented, then space requirements are reduced, but manufacturing precision requirements increase
Solution Approach 1:
The patent uses asymmetric cross-sectional geometry in the housing to provide built-in alignment features. The asymmetric shape creates natural reference surfaces that guide the ferrule and housing alignment during assembly, reducing the need for high-precision manufacturing tolerances. This asymmetric design maintains compact dimensions while managing alignment precision through geometric constraints.
Data Source
AI summary
Fiber optic connectors, cable assemblies and methods for making the same are disclosed. In one embodiment, the optical connector comprises a housing and a ferrule. The housing comprises a longitudinal passageway between a rear end and a front end. The optical connectors disclosed may be tunable for improving optical performance and may also include a spring for biasing the ferrule to a forward position as desired.