E-book Page Turning Gesture Interface for Portable Terminals
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Solution Overview
Problem
Existing e-book page turning interfaces on portable terminals are inconvenient for users, lacking ergonomic design and not allowing natural page conversion, as they primarily rely on basic directional control through key manipulation.
Innovation Solution
A method and apparatus for turning e-book pages in a portable terminal that simulates the experience of physically turning a book by using touch-sensitive input means, where the direction and length of touch gestures determine the page transition, allowing users to intuitively navigate through pages by dragging their finger or stylus across the screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If key manipulation is used for page turning, then the interface is simple to implement, but the ease of operation deteriorates as it is not ergonomic and does not allow natural page conversion
Solution Approach 1:
The patent replaces the mechanical key manipulation system with a touch-sensitive screen interface that detects finger gestures. The touch screen detects touch coordinates and drag movements, substituting physical key presses with direct finger interaction on the display surface, thereby improving ergonomics while maintaining implementation feasibility through software processing of touch events
Solution Approach 2:
The patent introduces an intermediary processing layer that detects touch gestures and translates them into page turning commands. The touch coordinate detection and drag movement analysis act as intermediaries between the user's natural finger motion and the e-book page navigation system, enabling intuitive operation without direct mechanical interaction
2Ease of operation
If basic directional control is used, then the device complexity is low, but the ease of operation worsens as it does not provide natural page conversion experience
Solution Approach 1:
The patent implements dynamic page turning where the number of pages turned is determined by the length of the drag gesture. Instead of fixed directional control, the system dynamically calculates page transitions based on the distance and direction of finger movement, providing a natural and intuitive page conversion experience that adapts to user input magnitude
Solution Approach 2:
The patent changes the operational parameter from binary key press detection to continuous touch coordinate and drag length measurement. By measuring the distance between touch start and end positions, the system converts a single parameter (key press) into multiple parameters (touch coordinates, drag length, drag direction), enabling nuanced control while managing interface complexity through systematic parameter processing
Data Source
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AI summary
An apparatus and method for turning electronic book (e-book) pages in a portable terminal are provided. The method includes executing an e-book, determining if a touch down is input more left than a predetermined right User Interface (UI) activation region of the e-book and then, in a state where the touch down is input, a drag and touch up is input in the right direction, and, when the touch down is input more left than the predetermined right UI activation region of the e-book and then, in the state where the touch down is input, the drag and touch up is input in the right direction, displaying the just preceding page on a screen.