Shielded Connector Latch Assembly for Cross-Talk Reduction

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Solution Overview

Problem

Data communication systems face challenges in achieving high electrical performance and density while minimizing interference and signal degradation, and require efficient installation and removal processes, especially in limited spaces where tool-assisted screw fasteners increase installation and removal time.

Innovation Solution

A connector assembly with a shielded housing and discrete plug chambers, each plug shielded from others, and a latch assembly with a spring latch and lever arm for tool-free installation and removal, allowing for secure engagement with multi-port electrical connectors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If high density connector assemblies with multiple contact pairs are used, then space utilization is improved, but cross-talk between contact pairs increases causing signal degradation

Engineering Contradiction:
Improvespace utilizationVSAvoidcross-talk interference
Core Design Contradiction:
Volume of moving objectVSObject-affected harmful factors

Solution Approach 1:

The connector assembly is divided into multiple discrete shielded plug chambers, each housing individual plugs. The shielded housing segments the internal space to electrically isolate each contact pair, preventing cross-talk while maintaining high density arrangement within the compact form factor.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A shielded housing acts as an intermediary structure between adjacent contact pairs. The housing includes shielding elements that mediate the electromagnetic field interactions, blocking interference signals while allowing the high-density connector assembly to maintain its compact volume.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Strength

If screw fasteners are used to retain connector assemblies in limited space, then secure connection is improved, but installation and removal time increases due to tool requirement

Engineering Contradiction:
Improveconnection securityVSAvoidinstallation and removal time
Core Design Contradiction:
StrengthVSLoss of time

Solution Approach 1:

The latch assembly enables self-service installation and removal of the connector assembly. The lever arm can be manually actuated without tools to engage or disengage the latch, allowing technicians to quickly install or remove connector assemblies from the electrical connector while maintaining secure retention during operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The latch assembly transitions from a static screw-fastened state to a dynamic lever-operated mechanism. The spring-loaded latch can be quickly engaged by moving the lever arm to the first position and disengaged by moving it to the second position, providing both secure connection and rapid reconfigurability.

Inventive Principle:
Principle #15Dynamics

3Object-affected harmful factors

If shielded housing with discrete plug chambers is used, then cross-talk reduction is improved, but device complexity increases

Engineering Contradiction:
Improvecross-talk interferenceVSAvoidconnector assembly structure
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The shielded housing combines multiple functions into a single integrated structure: it provides mechanical support for multiple plugs, creates discrete shielded chambers for each contact pair, and establishes electrical grounding paths. This merging reduces the need for separate shielding components and simplifies the overall assembly process.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The shielded housing serves multiple purposes simultaneously: structural containment, electromagnetic shielding, mechanical alignment, and electrical grounding. Each plug chamber is universally designed to accommodate standard plugs while providing individual shielding, reducing the need for custom components and simplifying the overall device complexity.

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

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 enhances electrical performance by reducing cross-talk, facilitates quick and tool-free installation and removal, and optimizes space utilization in high-density connector assemblies.

Implementation Method 1

The latch assembly has a spring latch configured to engage the electrical connector to secure the connector assembly to the electrical connector

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

The latch assembly is configured to engage the multi-port electrical connector to electrically common the shielded housing and the multi-port electrical connector

Methodology Applied
Scientific EffectElectrical conduction: Conduction (electrical)

Data Source

PatentUS8062049B2Latch assembly for a connector assembly
Publication Date: 2011.11.22 BISON PATENT LICENSING LLC
  • US8062049B2 patent drawing
  • US8062049B2 patent drawing
  • US8062049B2 patent drawing

AI summary

A connector assembly for mating with a multi-port electrical connector includes a shielded housing having a plurality of discrete shielded plug chambers and a plurality of plugs received in corresponding plug chambers. Each of the plugs are shielded from one another by the shielded housing, and the plugs are configured for simultaneous mating with the multi-port electrical connector, wherein each plug is received in a different port of the electrical connector. The connector assembly also includes a latch assembly coupled to the shielded housing. The latch assembly engages the shielded housing and is configured to engage the multi-port electrical connector to electrically common the shielded housing and the multi-port electrical connector.