SFP Transceiver Unlocking Mechanism for Visual Status

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Solution Overview

Problem

Conventional SFP transceivers lack visibility for the engagement and disengagement process with electrical connection slots, making it inconvenient to observe and manage the connection status externally.

Innovation Solution

A small form-factor pluggable transceiver design featuring a housing with an unlocking assembly that includes a pivotally connected unlocking member and interlock member, where the manipulating portion is exposed at the front end, allowing for direct observation of engagement or disengagement by rotating the unlocking member relative to the housing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the conventional SFP transceiver uses an unlocking member for engagement and disengagement, then the transceiver can be securely connected to the electrical connection slot, but the engagement and disengagement status cannot be directly observed from the outside

Engineering Contradiction:
Improveengagement securityVSAvoidengagement status visibility
Core Design Contradiction:
ReliabilityVSDifficulty of detecting and measuring

Solution Approach 1:

An interlock member is introduced as an intermediary element that translates the internal engagement status into an externally visible position. The interlock member is movably connected to the housing and interacts with the unlocking member, serving as a mediator that conveys the connection status from the internal mechanism to the external observer without compromising the security of the engagement

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The manipulating portion of the unlocking member is exposed at the front end of the housing, allowing visual detection of its position. While the patent does not explicitly use color changes, it employs positional visibility - the manipulating portion's location and orientation serve as visual indicators of engagement status, enabling users to observe the connection state from the outside

Inventive Principle:
Principle #32Color changes

2Difficulty of detecting and measuring

If the unlocking member is pivotally connected to the housing with manipulating portion exposed at the front end, then the engagement status can be directly observed, but the device structure becomes more complex

Engineering Contradiction:
Improveengagement status visibilityVSAvoidunlocking assembly structure
Core Design Contradiction:
Difficulty of detecting and measuringVSDevice complexity

Solution Approach 1:

The unlocking member and interlock member are combined into a single integrated assembly that is pivotally connected to the housing. This merging of functions reduces the number of separate components compared to having entirely separate unlocking and indication mechanisms, thereby simplifying the overall structure while achieving both security and visibility requirements

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The unlocking member serves multiple functions: it acts as the primary unlocking mechanism for engagement/disengagement and simultaneously serves as an indicator through its exposed manipulating portion. This multi-functionality eliminates the need for separate indication components, reducing structural complexity while providing external visibility of the engagement status

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

Data Source

PatentEP3514974B1Small form-factor pluggable transceiver
Publication Date: 2021.06.23 AXCEN PHOTONICS CORP
  • EP3514974B1 patent drawingFigure 1~1A
  • EP3514974B1 patent drawingFigure 2
  • EP3514974B1 patent drawingFigure 3

AI summary

A small form-factor pluggable (SFP) transceiver is provided for being inserted into an electrical connection slot of an electronic apparatus. The SFP transceiver (1) includes a housing (10), two electrical signal connectors (30) disposed a front end (10a) of the housing (10), and an unlocking assembly (20) having an unlocking member (21) and an interlock member (22). The housing (10) includes an engaging portion (10C) disposed on a bottom surface (10B) thereof and configured to be engaged with the electrical connection slot, thereby firmly fastening the SFP transceiver (1) into the electrical connection slot. The unlocking member (21) has a manipulating portion (212) exposed at the front end (10a) and arranged adjacent to a top surface (10A) of the housing (10). The interlock member (22) is movably disposed on the housing (10). When the manipulating portion (212) is rotated in a direction away from the front end (10a) and the top surface (10A), the unlocking member (21) moves the interlock member (22) to separate the engaging portion (10C) from the electrical connection slot.