Magnetic Privacy Filter for Mobile Screens
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Solution Overview
Problem
Conventional privacy filters for mobile devices are either poorly attached, leading to security issues and image quality degradation, and cannot be easily switched on or off based on user needs, due to adhesive residue and insecure attachment methods.
Innovation Solution
A magnetic privacy filter with ferromagnetic elements embedded in positioning holes, allowing secure and rapid attachment and detachment from mobile devices using built-in magnetic members, maintaining an even surface and utilizing a microlouver principle for anti-peep functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If adhesive is used to attach the privacy filter to the screen, then the filter can be fixed to the screen, but adhesive residue remains on the screen and the filter cannot be freely removed or repositioned
Solution Approach 1:
The patent replaces the adhesive-based mechanical attachment system with a magnetic attachment system. Ferromagnetic elements are embedded in the privacy filter and interact with magnetic members built into the mobile device, enabling secure attachment through magnetic force while allowing easy removal and repositioning by simply detaching the magnetic connection.
Solution Approach 2:
The patent changes the attachment mechanism from chemical adhesion to magnetic attraction. By embedding ferromagnetic elements in the privacy filter, the attachment strength can be controlled through magnetic field interaction, allowing the filter to be securely fixed during use but easily removed when needed, without residue left on the screen.
2Reliability
If the privacy filter is directly adhered to the screen, then the filter is fixed, but parts of adhesive are left on the screen and vision loss occurs due to reduced brightness and sharpness
Solution Approach 1:
The patent eliminates adhesive residue and vision degradation by replacing the adhesive system with a magnetic system. The ferromagnetic elements provide secure fixation without leaving residue, and the magnetic attachment allows for clean removal, preventing the harmful effects of adhesive residue on the screen and vision.
3Adaptability or versatility
If the privacy filter is assembled on a protective case, then the filter is not securely fixed with the screen, but the definition and touch preciseness are adversely affected
Solution Approach 1:
The patent replaces the insecure mechanical attachment on protective cases with a magnetic attachment system. The ferromagnetic elements in the filter interact with magnetic members built into the mobile device screen, providing secure fixation directly to the screen while maintaining the flexibility of easy installation and removal.
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 privacy filter provides secure, adjustable, and effective privacy protection without compromising image quality or brightness, enabling users to easily switch the filter on or off as needed.
Implementation Method 1
by the magnetic force between the built-in magnetic members and the ferromagnetic elements, the magnetic privacy filter can be closely adhered to the screen of the mobile device in a rapid manner
Data Source
AI summary
A magnetic privacy filter is disclosed. The magnetic privacy filter is adapted to protect the screen of a mobile device and has an anti-peep function. The magnetic privacy filter includes a filtering element and several ferromagnetic elements embedded in the filtering element. Accordingly, when the anti-peep function is needed, the magnetic privacy filter is adhered to the screen of the mobile device; while when the anti-peep function is not needed, the magnetic privacy filter can be detached from the mobile device instantly.