Mobile Device Tracing for E-Book Display Interaction
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Solution Overview
Problem
E-book terminals face limitations in volume, weight, navigation convenience, and natural interaction methods, such as virtual page turns, bookmarking, and zooming, which hinder a seamless reading experience.
Innovation Solution
A display apparatus and method utilizing a mobile device with a tracing information processing unit, gesture processing unit, and rendering unit to generate and display contents images based on device movement and input gestures, providing high-resolution, wide-field-of-view displays, intuitive bookmarking, and natural page-turning simulations with sound and vibration feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If e-book contents are displayed on mobile devices, then portability is improved, but visibility and reading comfort deteriorate due to small screen size
Solution Approach 1:
The patent combines the mobile device (for portability) with an external display device (for large display area) into an integrated system. The mobile device serves as a control terminal while the external display provides the reading surface, merging the advantages of both devices.
Solution Approach 2:
The system transitions from a single-device 2D display to a multi-device spatial arrangement where the mobile device and external display operate in different spatial dimensions, allowing the user to hold the small mobile device while viewing content on a large external screen.
2Ease of operation
If conventional navigation menus and bookmark functions are implemented, then navigation capability is improved, but user interaction complexity increases and reading flow is interrupted
Solution Approach 1:
The system enables self-service navigation where the user directly manipulates the e-book content on the external display using natural gestures (touch, drag, flick) without needing to access separate menu systems. The navigation functionality is integrated into the reading interface itself.
Solution Approach 2:
The patent extracts the navigation and bookmark functions from traditional menu systems and integrates them directly into the e-book display interface. Users can access bookmarks and navigate pages through direct interaction with the content rather than through hierarchical menus.
3Illumination intensity
If virtual page turn animation is implemented, then visual feedback is improved, but natural tactile feedback is lost and reading realism deteriorates
Solution Approach 1:
The system employs vibration feedback mechanisms in the mobile device to simulate the tactile sensation of turning physical pages. When the user performs a page turn gesture, the device generates appropriate vibration patterns that mimic the tactile experience of handling real book pages.
4Adaptability or versatility
If zooming and page navigation functions are added, then reading flexibility is improved, but cognitive burden increases and reading concentration is disrupted
Solution Approach 1:
The system prepares navigation options and bookmark positions in advance, allowing users to quickly access frequently needed functions without deliberate searching. Common actions like returning to previous pages or accessing bookmarks are pre-configured for rapid execution.
Data Source
AI summary
Disclosed are a display apparatus and a contents display method. The display apparatus includes: a mobile device tracing information processing unit for receiving position information or orientation information of a mobile device and generating tracing information of the mobile device based on the received position information or orientation information of the mobile device; a gesture processing unit for receiving input information of the mobile device and generating gesture information to change an output format of contents by using the received input information; a rendering unit for generating a predetermined contents image based on the tracing information of the mobile device and the gesture information; and a display unit for displaying the generated contents image.