Platform-Agnostic Digital Reader for Interactive E-PictureBooks
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Solution Overview
Problem
Traditional electronic publication readers are insufficient for digital picture books and graphic books with resizable text and graphics, light motion graphics, narration, and sound effects, as they lack support for immersive interactive features across multiple platforms.
Innovation Solution
A platform-agnostic digital reader that utilizes the enhanced EPUB functionality, incorporating ShockWave Flash (SWF) and HTML/JavaScript implementations, with externally referenced graphics and audio files, and a strict folder structure to provide resizable text, illustrations, and interactive functionality, supporting reflowable text and immersive reading experiences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional electronic publication readers are used, then basic text reading is supported, but interactive features like resizable text, graphics, narration, and sound effects cannot be implemented
Solution Approach 1:
The patent implements a universal reader architecture that can handle multiple content types (reflowable text, fixed-layout publications, interactive features) through a single platform. The system uses a unified file structure and rendering engine that adapts to different content requirements, allowing one reader to provide basic text reading, resizable text, graphics, narration, and sound effects without requiring separate specialized readers for each feature set.
2Adaptability or versatility
If multiple file formats are used to support different platforms, then platform-specific optimization is achieved, but file management and distribution complexity increases
Solution Approach 1:
The patent merges multiple platform-specific implementations into a single unified ePictureBook file structure. Instead of creating separate files for Android and iOS with different formats, the system combines all platform-specific code and assets into one standardized package that automatically adapts to different operating systems. This single-file approach simplifies distribution and file management while maintaining multi-platform compatibility through internal platform detection and adaptation.
3Reliability
If large graphics and audio files are embedded in SWF files, then self-contained delivery is achieved, but file size and distribution efficiency deteriorate
Solution Approach 1:
The patent extracts large graphics and audio files from embedded SWF containers and places them as separate external assets in the file structure. Instead of embedding all media content within the SWF file, the system references external files through standardized paths, significantly reducing the main file size while maintaining self-containment through a manifest that lists all required assets. This approach allows efficient compression and separate optimization of media files while keeping the overall publication portable and self-contained.
Data Source
AI summary
A platform agnostic digital publication format that supports rendered and resizable text, illustrations and graphics, “read to me” features and interactive functionality. The format takes advantage of the alternate renditions feature of the OCF of the EPUB® specification and includes both a ShockWave Flash (SWF) based rendition and a HyperText Markup Language (HTML), Java Script (JS), Cascading Style Sheets (CSS) based implementation. In order to avoid duplicating large components (graphics, audio, etc.), files containing those components are not embedded in the SWF files, but are rather externally referenced by both the SWF and the HTML files. A strict and consistent folder structure and file-naming convention improves efficiency and reduces the potential for error.