Magnetic Auto-Aligning Connector for Portable Electronics

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Solution Overview

Problem

Conventional connectors for electronic devices and their accessories are often too complex, fragile, and large, failing to meet the connectivity and alignment needs of modern portable electronic devices, which require a simpler, lighter, and easier-to-fabricate solution for proper alignment and connection.

Innovation Solution

An auto-aligning and connecting structure utilizing a plurality of magnetic units on two surfaces, where the magnetic attraction facilitates alignment and connection, with optional magneto-resistance layers to minimize interference with electronic components and non-magnetic assistant structures for easier alignment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional connectors such as mortises and tenon joints are used to connect electronic devices and accessories, then connection and alignment can be achieved, but the structure becomes too complicated, too fragile, and too large

Engineering Contradiction:
Improveconnection reliabilityVSAvoidconnector structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces traditional mechanical connectors (mortises and tenon joints) with a magnetic field-based connection system. Magnetic units generate magnetic force to achieve both connection and alignment functions, eliminating the need for complex mechanical structures. This substitution reduces structural complexity while maintaining connection reliability through the invisible magnetic field interaction between the electronic device and accessory.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If conventional connectors are used to ensure proper alignment and connection, then connectivity needs are met, but the connector size becomes too large for modern portable devices

Engineering Contradiction:
Improvealignment precisionVSAvoidconnector volume
Core Design Contradiction:
Manufacturing precisionVSVolume of moving object

Solution Approach 1:

The magnetic connection system replaces bulky mechanical alignment features with magnetic field guidance. The magnetic force naturally guides the accessory into proper alignment with the electronic device, achieving precise positioning without requiring large mechanical alignment structures. This reduces the overall connector volume while maintaining manufacturing precision through magnetic field distribution control.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the physical parameter from mechanical contact to magnetic field interaction. By utilizing magnetic field strength and distribution as the controlling parameter instead of mechanical geometry, the system achieves precise alignment with minimal physical structure. The magnetic units can be made very small while still providing sufficient alignment force and precision.

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If conventional connectors are used to facilitate connection, then connectivity is achieved, but the structure becomes too fragile

Engineering Contradiction:
Improveconnection easeVSAvoidconnector strength
Core Design Contradiction:
Ease of operationVSStrength

Solution Approach 1:

The magnetic connection system replaces fragile mechanical joints with a magnetic field-based bonding mechanism. The magnetic force provides a strong, distributed holding force that is more resistant to mechanical stress and impact than traditional connectors. The connection is made and broken simply by bringing the magnetic units close or separating them, improving ease of operation while significantly enhancing connection strength and durability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

Enables quick and proper connection and disconnection of accessories to electronic devices, ensuring alignment and reducing manufacturing complexity while maintaining structural integrity and compatibility with electronic components.

Implementation Method 1

some of the plurality of the second magnetic units and some of the first magnetic units are aligned and mutually attracted such that the second surface is attracted to connect to the first surface

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Data Source

PatentEP1791050B1Auto-aligning and connecting structure between electronic device and accessory
Publication Date: 2013.08.14 HTC CORP
  • EP1791050B1 patent drawingFigure 1A
  • EP1791050B1 patent drawingFigure 1B
  • EP1791050B1 patent drawingFigure 2A

AI summary

An auto-aligning and connecting structure used to connect and align an electronic device and an accessory, wherein a plurality of first magnetic bodies are disposed on a first surface of the electrical device and a plurality of second magnetic bodies are disposed on a second surface of the accessory. The magnetic pole of the first magnetic bodies and the second magnetic bodies are appropriately arranged so the first magnetic bodies and the second magnetic bodies can attract each other when the first surface and the second surface approach each other. Then, the electronic device and the accessories are connected to each other when the first surface and the second surface connect.