Touch Screen Input Differentiation for Stylus and Gesture Operations
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing touch screen operation technologies face challenges in distinguishing between stylus and gesture operations, leading to complex and indirect interactions, resulting in low user experience due to mixed-up operations.
Innovation Solution
A method and apparatus that detect touch operation instructions on a touch screen, determining whether they are stylus-triggered or gesture-triggered, and performing corresponding processing based on the identified type, including ink drawing, gesture operations, and simultaneous processing when both are detected, with priority adjustments as needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the touch screen processes both stylus and gesture operations using the same method, then the system maintains simplicity in operation processing, but the user experience deteriorates due to indistinguishable and mixed-up operations
Solution Approach 1:
The patent segments the touch operation processing into distinct pathways: one for stylus operations and another for gesture operations. The determining unit divides incoming touch operations into different categories based on input source identification, allowing each type to be processed independently through dedicated processing units, thus preventing operation mixing while maintaining systematic organization
Solution Approach 2:
The patent introduces a determining unit as an intermediary component between the touch screen and processing units. This mediator identifies and classifies the input source (stylus or gesture) before routing to appropriate processing units, enabling clear distinction between operation types without requiring complex processing logic throughout the entire system
2Ease of operation
If the system distinguishes between stylus and gesture operations through complex detection methods, then the user experience improves by enabling direct and clear operation differentiation, but the device complexity increases
Solution Approach 1:
The touch screen system performs self-identification of the input source through its existing touch detection capabilities. The determining unit utilizes information already available from the touch screen (touch coordinates, pressure data) to automatically distinguish between stylus and gesture operations without requiring external sensors or complex additional hardware
Solution Approach 2:
The touch screen's existing detection mechanism serves multiple functions: it detects both stylus operations and gesture operations using the same basic technology. The determining unit leverages this universal detection capability to differentiate between input sources by analyzing characteristics of the detected touches, eliminating the need for separate detection systems
Data Source
AI summary
A method and apparatus for identifying a trajectory on a touch screen solves many limitations that the stylus and the gesture operation currently subjected to in the operation state of the touch screen. For example, due to the chaotic operation caused by the stylus and the gesture operation, it is difficult to distinguish the actual operation attributes such that the operation is too cumbersome and not straightforward, resulting in the technical problem of low user experience. The method for identifying a trajectory on a touch screen includes: detecting a touch operation instruction triggered on the touch screen (101); and then determining a type of the touch operation instruction (102); if the type of the touch operation instruction is a stylus-triggered instruction, performing a corresponding processing according to the acquired trajectory of stylus (103), and if the type of the touch operation instruction is a gesture-triggered instruction, performing a corresponding processing according to the acquired trajectory of gesture (104).