Dual-Sided Touch Interface Gesture Manipulation
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Solution Overview
Problem
Existing electronic devices with touch screens lack effective methods for dual-sided gestures that enable seamless interaction with graphical user interface elements across multiple touch-sensitive surfaces, limiting user interaction efficiency and versatility.
Innovation Solution
An electronic device with a touch-sensitive display on one side and a touch-sensitive surface on the other side, allowing users to select an element with one touch and manipulate other elements through overlapping touch and slide motions, interpreting these gestures as drag, push, rotate, or zoom interactions based on movement patterns and directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a touch screen is used for user interaction, then visual information display is improved, but interaction versatility is limited to one side only
Solution Approach 1:
The patent adds a second touch-sensitive surface on the reverse side of the device, transitioning from single-sided to dual-sided interaction. This dimensional expansion allows users to interact with the device from both front and back, effectively doubling the interaction space and enabling new gesture possibilities without compromising the visual display quality of the original touch screen.
2Productivity
If dual-sided touch surfaces are implemented, then interaction efficiency is improved, but device complexity increases
Solution Approach 1:
Both the front touch screen and rear touch-sensitive surface utilize the same touch detection technology and gesture interpretation mechanisms. This universal approach allows a single software framework to handle inputs from both surfaces, enabling complex multi-touch gestures that combine inputs from both sides while sharing common processing logic, thereby managing complexity through functional unification rather than separate systems.
Solution Approach 2:
The patent merges the functionality of two separate touch surfaces into a unified interaction system. The gesture processing logic combines touch inputs from both the front screen and rear surface simultaneously, treating them as part of the same interaction space. This merging allows for sophisticated gestures that leverage both surfaces together while using shared hardware and software resources, improving efficiency without proportionally increasing complexity.
3Quantity of substance
If multiple graphical user elements are displayed, then information density is improved, but element selection difficulty increases
Solution Approach 1:
The patent segments the element selection process into two distinct phases using two different surfaces: the front touch screen handles element display and information presentation, while the rear touch-sensitive surface handles element selection and manipulation. This segmentation allows high information density on the front screen without compromising selection ease, as the rear surface provides a dedicated, simplified interface for interaction that is optimized for precise input actions.
Data Source
AI summary
A method for manipulating graphical user interface elements includes displaying a plurality of elements on a touch screen of an electronic device. Based on a first touch screen contact detected on a first side of the electronic device and a slide contact detected on a second side of the electronic device, a first touch screen element is selected and the non-selected touch screen element(s) are manipulated relative to the first element. The slide contact can be interpreted by the electronic device as a drag, push, or rotate relative to the first element. Various features of the slide movement, such as the speed, the length, the pressure, the direction, and/or the pattern may affect the manipulation of the non-selected elements.