Anti-tamper Adapter Blocking Plug Release Mechanism

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Solution Overview

Problem

Conventional cable tamper prevention methods are costly, require proprietary outlets or excessive manpower, and are reactive rather than proactive, failing to effectively prevent unauthorized or inadvertent tampering with equipment components and connections in restricted access areas.

Innovation Solution

The development of an anti-tamper adapter that reversibly engages with existing cables, inhibiting the release mechanism when a standard communications plug is attached to an outlet, using a resilient catch to limit plug travel and allowing for reuse without re-termination, and a removal tool to selectively manipulate the plug release mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional cable tamper prevention methods are used, then security against unauthorized access is improved, but cost and manpower requirements increase significantly

Engineering Contradiction:

Improvesecurity against unauthorized accessVSAvoidcost and manpower requirements

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces an anti-tamper adapter as an intermediary device that fits between the existing outlet and the plug. This adapter selectively blocks the release mechanism of the plug, preventing unauthorized disconnection while maintaining compatibility with standard plugs. The adapter serves as a mediator that adds security functionality without requiring changes to existing cables or outlets, thereby avoiding high costs and excessive manpower requirements.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The invention segments the tamper prevention function into a separate, removable adapter component rather than integrating it into the outlet or cable infrastructure. This segmentation allows the security feature to be added independently to specific connections as needed, reducing overall system complexity and cost while maintaining reliable security where required.

Inventive Principle:

Principle #1Segmentation

2Reliability

If proprietary outlets are used for tamper prevention, then security is improved, but adaptability and ease of installation deteriorate

Engineering Contradiction:

ImprovesecurityVSAvoidcompatibility with existing cables and outlets

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

Instead of modifying outlets or cables to provide security (the conventional approach), the patent inverts the solution by placing the security mechanism on the adapter that interfaces with the existing infrastructure. The adapter's blocking mechanism prevents plug release, and the blocking member can be selectively engaged or disengaged. This inversion allows standard outlets and cables to remain unchanged while still achieving security, thereby maintaining full adaptability and ease of installation.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The anti-tamper adapter is designed to work with standard plugs and outlets without requiring proprietary components. The adapter provides universal security functionality that can be applied to any connection using standard interfaces, maintaining versatility while improving security.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Reliability

If permanent locking mechanisms are used, then security against tampering is improved, but ease of operation and maintenance deteriorate

Engineering Contradiction:

Improveprotection against tamperingVSAvoidability to remove and reuse adapter

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent implements a dynamic blocking mechanism where the blocking member can be selectively positioned to either block or allow access to the plug's release mechanism. The blocking member is movable between a blocked position (preventing tampering) and an unblocked position (allowing legitimate removal). This dynamic capability maintains strong protection against tampering while preserving ease of operation for authorized personnel who need to remove or reuse adapters.

Inventive Principle:

Principle #15Dynamics

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

This solution provides cost-effective, flexible, and proactive cable tamper prevention that avoids the need for proprietary components, reduces manpower requirements, and enhances the security of equipment connections by preventing unauthorized access while allowing for easy removal and reuse of the adapter.

Implementation Method 1

a resilient catch to limit plug travel

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS8215972B2Anti-tamper adapter with a mechanism to block a release mechanism of a plug

Publication Date: 2012.07.10 LEVITON MFG CO INC

AI summary

Apparatuses, devices, systems, and methods are provided for prevention of tampering with cables and associated systems. In one aspect, an anti-tamper adapter is provided that can inhibit or prohibit cable tampering for existing cables. The provided embodiments can economically and flexibly facilitate cable tamper prevention in a wide array of cable technologies.