Touch Screen Direction Detection for Multi-Event Input
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Solution Overview
Problem
Current touch screens can only trigger a single event per touch action, requiring multiple actions to select an icon or launch an application, limiting user interaction efficiency.
Innovation Solution
A method and terminal that differentiate touch events based on touch direction, where the muscle and non-muscle portions of the finger are used to determine distinct touch directions, allowing for the triggering of different events, such as selecting or launching icons, by analyzing touch signals for intensity variation or area shape.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single touch action triggers only one event, then the touch screen operation is simple and reliable, but the user interaction efficiency deteriorates as multiple actions are required to select an icon or launch an application
Solution Approach 1:
The touch screen detection is segmented into multiple independent detection dimensions: muscle portion detection, non-muscle portion detection, touch direction detection, and touch area detection. Each dimension provides independent information that can be combined to differentiate between selection and launching events, enabling multiple events to be triggered from a single touch action.
Solution Approach 2:
The patent adds new detection dimensions beyond simple touch presence. By detecting touch direction (first direction vs. second direction), touch area characteristics (area larger than threshold vs. smaller than threshold), and muscle/non-muscle portion composition, the system creates additional degrees of freedom that allow a single touch action to encode multiple different events.
2Ease of operation
If multiple touch actions are required to select an icon or launch an application, then the event triggering is simple and reliable, but the human-machine interaction becomes less intuitive and more time-consuming
Solution Approach 1:
The system performs preliminary detection of touch characteristics (direction, area, muscle/non-muscle composition) during the single touch action itself, rather than requiring sequential actions. This preliminary detection of multiple parameters within one touch enables the system to determine both selection and launching intent simultaneously, eliminating the need for multiple sequential touch actions.
Solution Approach 2:
The patent utilizes changes in touch parameters (direction, area size, muscle/non-muscle composition) to differentiate between events. By monitoring these parameter variations within a single touch action, the system can distinguish between selection and launching events, reducing the time required for icon interaction while maintaining reliable event differentiation.
Data Source
AI summary
The present invention discloses a method and a terminal for inputting multiple events. The methods includes: receiving touch signals produced by a touch screen corresponding to a touch action of a user's finger; ascertaining a touch direction of the user's finger to the touch screen according to the touch signals; and triggering different events corresponding to different touch directions of the user's finger. Using the above method, different events will be triggered when the touch direction of the user's fingers is different and thus the problem of one touch action of the user's finger can only trigger one event is solved.