Reversible Plug With Magnetic Swap Logic
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Solution Overview
Problem
Conventional cables with directional plugs can be easily misinserted, leading to functionality issues and potential damage when snagged or subjected to force, making frequent connections cumbersome and prone to accidents.
Innovation Solution
A reversible cable connector system featuring a swap logic unit and magnetic elements that ensure proper signal orientation and detachment upon exceeding a maximum force threshold, allowing for secure and orientation-independent connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional directional plug is used, then the cable can be connected to electronic devices, but the plug may be misinserted causing functionality issues and potential damage
Solution Approach 1:
The patent applies asymmetry by using magnetic elements with specific polarities arranged asymmetrically within the plug and receptacle. The north and south magnetic poles are positioned at specific locations so that the plug can only be inserted in the correct orientation, as incorrect orientation would result in magnetic repulsion. This ensures connection reliability while guiding proper insertion through magnetic attraction in the correct orientation.
2Reliability
If the cable is securely connected to electronic devices, then signal transmission is stable, but the cable may be snagged causing sudden detachment and potential damage
Solution Approach 1:
The patent implements beforehand cushioning by incorporating a force threshold mechanism into the magnetic connection system. The magnetic force is calibrated to provide secure connection during normal use, but automatically releases when an excessive force is applied (such as when the cable is snagged). This prevents damage by allowing safe detachment under abnormal conditions while maintaining stable connection during normal operation.
3Productivity
If frequent disconnection and reconnection is required, then device portability is improved, but the user spends excessive time orienting the plug correctly
Solution Approach 1:
The patent applies self-service by using magnetic fields to automatically guide the plug into the correct orientation during insertion. The asymmetric magnetic arrangement creates attractive forces that naturally align the plug with the receptacle, eliminating the need for the user to manually orient the plug. This reduces the time required for frequent connections while ensuring proper alignment, thereby improving productivity without increasing time loss.
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 enables secure, orientation-independent connections and prevents damage by ensuring correct signal orientation and safe detachment, reducing the risk of cable or device damage during use.
Implementation Method 1
the plug comprises a magnetic element and the receptacle comprises a magnetic element
Implementation Method 2
Upon exceeding a maximum force threshold, the magnetic elements cause the plug to detach from the receptacle
Data Source
AI summary
A swap logic unit including a set of outputs configured to be in a first configuration or a second configuration, and control circuitry. The control circuitry is configured to connect to a swap indication contact, wherein a voltage of the swap indication contact is configured to indicate an orientation of a reversible plug in a cable unit, and configure the set of outputs in the first configuration or the second configuration based on the voltage of the swap indication contact, wherein the first configuration corresponds to a first orientation of the reversible plug and the second configuration corresponds to a second orientation of the reversible plug.