Creased Paper Effect for Touchscreen Scroll Feedback
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Solution Overview
Problem
Touchscreen devices lack intuitive visual feedback when a user reaches the end of a scroll or zoom operation, leading to uncertainty about device responsiveness, as existing end-of-page animations may not effectively convey the end of content.
Innovation Solution
Implementing a crease effect on the touchscreen, where a swipe input generates a visual distortion resembling a creased paper effect, indicating the end of an image or content, which returns to normal upon release, utilizing the graphics processing unit (GPU) for a realistic and smooth animation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional end-of-page animations are used, then the device structure remains simple, but the visual feedback to users is insufficient and unclear
Solution Approach 1:
The patent applies visual distortion effects that alter the appearance of the displayed content, creating a creased paper effect that changes the shape and orientation of visual elements to indicate end-of-content state
Solution Approach 2:
The patent introduces curved distortion patterns resembling paper creases that bend and warp the visual display, creating a realistic physical metaphor for reaching the end of content
2Reliability
If no visual feedback is provided at end of scroll/zoom, then the system remains simple and responsive, but user uncertainty increases about device responsiveness
Solution Approach 1:
The patent implements a visual feedback mechanism that provides immediate and clear indication to users when they have reached the end of scrollable or zoomable content, eliminating uncertainty about device responsiveness
Solution Approach 2:
The patent creates a dynamic visual effect that resembles physical paper creasing, using animated distortion that propagates through the display to provide tactile-like visual feedback
3Loss of information
If existing end-of-page animations are used, then implementation is straightforward, but the animations do not effectively convey the end of content to users
Solution Approach 1:
The patent uses visual distortion that alters the geometric properties of displayed content, creating a creased appearance that clearly indicates the end of content through shape transformation
Solution Approach 2:
The patent implements a dynamic animated effect that evolves over time, showing the propagation and relaxation of crease-like distortions to clearly communicate the end-of-content state
Data Source
AI summary
In a touchscreen viewing device, a method for implementing a crease effect. The method includes receiving a swipe input related to an image displayed on a touch screen of a viewing device, upon determination that the swipe input will generate an item end effect, causing a crease effect to appear on the image in response to the swipe input, and subsequent to the end of the swipe input, undoing the crease effect on the image to return the image to an original effect.