Fabric Laminated Touch Input Device Vibration Damping
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Solution Overview
Problem
Typical mobile devices are uncomfortable to hold and interact with over extended periods due to their materials, and they often suffer from slipperiness and vibration-related issues that can lead to user discomfort and device damage.
Innovation Solution
A fabric-laminated touch input device is integrated into the chassis of mobile devices, providing a comfortable grip, reducing slipperiness, damping vibrations, and aiding in heat dissipation, while supporting different types of touch inputs through a fabric layer that can actuate switches with varying force thresholds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional materials (metal, plastic) are used for mobile device chassis, then structural strength is maintained, but user comfort and anti-slip properties deteriorate
Solution Approach 1:
The patent applies composite materials by combining fabric layer with chassis material to create a hybrid structure. The fabric layer is laminated onto the chassis surface, creating a composite that retains the structural strength of the original chassis material while adding the tactile comfort and grip properties of fabric. This resolves the contradiction by integrating two different material systems that provide complementary functions.
2Ease of operation
If smooth chassis surfaces are used, then manufacturing simplicity is maintained, but slipperiness and vibration-related issues worsen
Solution Approach 1:
The fabric layer is pre-formed and prepared separately before being laminated onto the chassis. This preliminary preparation allows the fabric to be optimized for grip and comfort properties independently, while the chassis manufacturing process remains relatively simple. The lamination step integrates the two components, providing enhanced anti-slip properties without significantly complicating the overall manufacturing process.
3Ease of operation
If fabric layer is added to chassis, then user comfort and vibration damping are improved, but device weight increases
Solution Approach 1:
The patent uses a thin fabric layer as a flexible film laminated onto the chassis surface. This thin film provides vibration damping and comfort benefits without adding significant weight, as the fabric layer is sufficiently thin to minimize mass addition while still providing the desired tactile and vibration-absorbing properties. This resolves the contradiction by using a lightweight flexible material that delivers the required performance.
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 fabric-laminated touch input device enhances user comfort, reduces device slip and vibration-related annoyance, and improves heat dissipation, allowing for a more effective and comfortable handheld experience with mobile devices.
Implementation Method 1
The fabric layer may dampen vibration of components of the device
Implementation Method 2
This may also decrease user annoyance and discomfort that may result from physically perceptible vibrations. The fabric layer may also aid in heat dissipation.
Data Source
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AI summary
Techniques for fabric laminated touch input device are described. In at least some embodiments, a touch input device is mounted to a chassis of an apparatus. The touch input device and the chassis are laminated with a fabric layer, such as by adhering a portion of fabric over the chassis and the touch input device to enclose the touch input device beneath the fabric layer. According to one or more embodiments, a touch input device laminated with fabric can support different types of touch input, such click input for object selection, touch input for object movement, and so forth.