Magnetic Attachment System for Electronic Device Covers
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Solution Overview
Problem
Conventional attachment techniques for handheld electronic devices require external fasteners, which detract from the appearance, add weight, and increase complexity, while also degrading the aesthetic appeal and functionality of these devices.
Innovation Solution
A magnetic attachment system that uses sensors to detect magnetic fields, allowing for the releasable and repeatable attachment of accessories to electronic devices without visible fasteners, ensuring proper alignment and protection while maintaining a sleek design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional mechanical fasteners are used for attachment, then secure attachment is achieved, but device appearance and aesthetic appeal deteriorate
Solution Approach 1:
The patent replaces mechanical fasteners with a magnetic attachment system. Magnets embedded in the cover and housing create magnetic attraction forces that securely attach the cover to the device without requiring visible external fasteners, thus maintaining aesthetic appearance while achieving secure attachment
Solution Approach 2:
The patent extracts the attachment mechanism from the external surface by embedding magnets within the housing and cover structure. This internal placement of magnetic elements eliminates the need for external mechanical fasteners, preserving the sleek appearance while providing secure attachment functionality
2Strength
If conventional mechanical fasteners are used for attachment, then secure attachment is achieved, but device weight increases
Solution Approach 1:
The patent substitutes heavy mechanical fastening components with lightweight magnetic elements. The magnetic attachment system uses small embedded magnets that generate sufficient attachment force without the weight penalty of traditional mechanical fasteners, screws, or latches
3Strength
If conventional mechanical fasteners are used for attachment, then secure attachment is achieved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical attachment mechanisms with a simple magnetic field-based system. The magnetic attachment eliminates the need for moving parts, alignment features, threading, or complex fastening structures, significantly reducing overall device complexity while maintaining secure attachment
Solution Approach 2:
The magnetic attachment system provides self-aligning and self-securing functionality. The magnetic attraction automatically guides the cover into proper alignment and secures it in place without requiring complex mechanical guidance features or manual alignment procedures
4Adaptability or versatility
If external attaching features are added to the device, then attachment functionality is improved, but aesthetic appeal deteriorates
Solution Approach 1:
The patent extracts the attachment features from the external surface by embedding magnets within the housing and cover. This internal placement allows full attachment functionality while keeping the external surfaces smooth and aesthetically pleasing without visible fasteners or attachment points
Solution Approach 2:
The magnetic attachment elements are nested within the device structure, with magnets embedded in the housing and corresponding magnets in the cover. This nesting approach allows attachment functionality to be integrated within the device layers rather than added to the exterior
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 magnetic attachment system enhances the operability and appearance of electronic devices by providing a secure, weightless, and aesthetically pleasing method for attaching accessories, such as protective covers, while allowing for easy detachment and reattachment without compromising the device's functionality.
Implementation Method 1
a first sensor located at a first position in the electronic device, the first sensor arranged to detect a magnetic field propagated by a magnetic element in near proximity to the sensor
Implementation Method 2
a magnetic element in near proximity to the sensor, the first sensor arranged to detect a magnetic field propagated by a magnetic element
Data Source
AI summary
A magnetic attachment mechanism and method is described. The magnetic attachment mechanism can be used to releasably attach at least two objects together in a preferred configuration without fasteners and without external intervention. The magnetic attachment mechanism can be used to releasably attach an accessory device to an electronic device. The accessory device can be used to augment the functionality of usefulness of the electronic device.