Touchscreen Haptic Feedback for Background App Interaction
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Solution Overview
Problem
Current mobile device applications require a visible application to be replaced on the screen to interact with a background application, limiting user interaction with multiple applications simultaneously without disrupting the foreground application's visual presentation.
Innovation Solution
A method and apparatus that monitor user touch inputs on a touchscreen, providing tactile feedback for active background applications while maintaining the visible presentation of the foreground application, allowing users to interact with background applications without affecting the foreground's visual perception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a background application is made interactive without replacing the foreground application on screen, then user interaction with multiple applications is enabled simultaneously, but the system cannot provide visual feedback for the background application without disrupting the foreground application's visual presentation
Solution Approach 1:
The patent introduces haptic feedback as an intermediary communication channel between the background application and the user. When the background application is activated, the system provides tactile feedback through the touchscreen surface, allowing the user to perceive and interact with the background application without visual disruption to the foreground application's display
Solution Approach 2:
The patent substitutes visual feedback (optical system) with haptic feedback (mechanical/tactile system). Instead of displaying visual information that would disrupt the foreground application, the system uses tactile sensations through the touchscreen to convey background application states and enable interaction
2Ease of operation
If tactile feedback is provided for background applications, then user interaction with background applications is enhanced, but the system complexity increases
Solution Approach 1:
The patent leverages the existing touchscreen hardware to provide haptic feedback, making the touchscreen serve dual purposes: visual display and tactile feedback. The system utilizes the touchscreen's inherent capability to generate vibrations and tactile sensations without requiring separate dedicated haptic components, thereby reducing overall system complexity
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
Enables users to interact with active background applications without disrupting the visual presentation of foreground applications, providing intuitive and complex control of background applications through tactile feedback, even when no visual information is displayed on the screen.
Implementation Method 1
monitoring, by an apparatus, whether a user touches a touchscreen
Implementation Method 2
causing, by the apparatus, a tactile feedback relating to the second application
Data Source
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AI summary
An apparatus monitors whether a user touches a touchscreen, while a first application is active in a device and causes a visible presentation relating to the first application on the touchscreen and while a second application is active in the device. When the apparatus detects a touch of at least one kind on the touchscreen, the apparatus causes a tactile feedback relating to the second application.