Protective Sleeve Membrane Switch for One-Handed Smart Device Use
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Solution Overview
Problem
Smart devices with larger screens face issues of fragility, difficulty in one-handed operation, and poor heat dissipation, leading to poor user experience.
Innovation Solution
A protection case with a membrane switch and spring pogo pin connector system that allows one-handed operation by connecting directly to the device's GPIO pins, featuring a magnetic attachment and transparent screen observation window.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protective film is applied to the smart device, then the screen is protected from damage, but the aesthetic appearance is deteriorated due to bubbles and wrinkles
Solution Approach 1:
The patent replaces the mechanical adhesive system with a chemical bonding system. The adhesive layer uses chemical adhesion to bond the protective film to the smart device screen, eliminating the need for mechanical pressure application that causes bubbles and wrinkles. The chemical bonding process allows for uniform attachment without the mechanical deformation issues associated with traditional adhesive tapes.
2Reliability
If adhesive tape is used to attach the protective film, then the film is secured to the device, but residue and damage occur during removal
Solution Approach 1:
The patent changes the bonding mechanism from mechanical adhesive tape to a chemical adhesive layer with controlled bonding parameters. The adhesive layer is designed with specific chemical properties that allow for strong initial bonding but controlled removal without residue. This parameter change in the bonding mechanism eliminates the harmful residue and damage issues associated with traditional adhesive tapes.
3Adaptability or versatility
If multiple separate components are used for the protective kit, then each component can be optimized independently, but the device complexity increases
Solution Approach 1:
The patent merges multiple separate protective components into an integrated protective film assembly. The adhesive layer is integrated directly into the protective film structure, eliminating the need for separate adhesive tapes and application tools. This merging reduces the overall kit complexity while maintaining the ability to optimize each functional layer independently through material selection and design.
Data Source
Figure 1
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Figure 2
AI summary
A smart device protective sleeve comprises a rear housing (1) and a cover plate (2). A membrane switch (2) is provided in the cover plate (2). A key window (4) corresponding to the position of a key part at a panel layer of the membrane switch (3) is provided on the outer end face of the cover plate (2). A lead-out line (10) of a lower line layer of the membrane switch (3) is lead out of the interior of the cover plate (2), and is provided with a pogo pin (5). The smart device is provided with an insertion hole (6). A pogo pin base (7) connected to a GPIO pin of a smart device processor is provided in the smart device body. A contact of the pogo pin base (7) is exposed in the rear end of the insertion hole (6). Also disclosed is a smart device kit, comprising a smart device and a smart device protective sleeve on the smart device.