Dynamic Haptic Feedback for Touch Screen Interaction
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Solution Overview
Problem
Current touch screen technologies lack intuitive three-dimensional (3D) interaction and haptic feedback, failing to provide effective multi-dimensional haptic experiences for users.
Innovation Solution
A computing system with a haptic touch screen device that includes a force sensor to detect applied forces and a processor to determine the magnitude, direction, and location of these forces, allowing for real-time displacement of the touch screen to provide haptic feedback, enabling intuitive multi-dimensional interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional touch screen interaction is used, then 2D interaction is provided, but 3D interaction capability is lacking
Solution Approach 1:
The patent introduces a force sensor that detects forces applied perpendicular to the touch screen surface (z-axis), adding a third dimension to the traditional 2D touch interface. This allows the system to distinguish between light touches and hard presses, enabling 3D interaction capabilities while maintaining the familiar 2D screen interface.
Solution Approach 2:
The force sensor acts as an intermediary between the user's finger and the touch screen controller. It measures the physical force applied and translates it into digital signals that the processor can interpret, enabling haptic feedback and 3D interaction without requiring complex mechanical modifications to the screen itself.
2Ease of operation
If haptic feedback is added to touch screen, then user engagement is improved, but device complexity increases
Solution Approach 1:
The system implements haptic feedback by detecting the force applied by the user through the force sensor and responding with visual or tactile feedback. The processor analyzes the force magnitude and provides appropriate feedback, creating an engaging interactive experience that enhances user awareness and control.
Solution Approach 2:
Instead of using complex mechanical haptic mechanisms like springs or motors, the patent uses electronic force sensing and software-based haptic simulation. The force sensor electronically detects applied forces, and the processor generates haptic feedback effects through software algorithms, replacing mechanical complexity with electronic and computational solutions.
3Adaptability or versatility
If force sensing capability is integrated, then multi-dimensional interaction is enabled, but manufacturing complexity increases
Solution Approach 1:
The force sensor serves multiple functions: it detects z-axis pressure, enables 3D interaction, provides haptic feedback capability, and enhances user engagement. By integrating a single component that performs multiple functions, the patent avoids the need for separate sensors and mechanisms, simplifying the overall manufacturing process while achieving diverse capabilities.
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 intuitive multi-dimensional haptic interaction by allowing the touch screen to move in response to user forces, providing haptic feedback that simulates textures, detents, and other sensations, enhancing user engagement and immersion in applications like medical imaging and gaming.
Implementation Method 1
A user's finger may contact a touch screen at a specific position to affect a visual result corresponding to the specific position on the touch screen
Data Source
AI summary
A method, system, and one or more computer-readable storage media for providing multi-dimensional haptic touch screen interaction are provided herein. The method includes detecting a force applied to a touch screen by an object and determining a magnitude, direction, and location of the force. The method also includes determining a haptic force feedback to be applied by the touch screen on the object based on the magnitude, direction, and location of the force applied to the touch screen, and displacing the touch screen in a specified direction such that the haptic force feedback is applied by the touch screen on the object.