Pressure-Sensitive Touch Interface for eBook Readers
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Solution Overview
Problem
Existing eBook readers lack intuitive and efficient mechanisms for user interaction, particularly in navigating and bookmarking digital content, and organizing large collections of electronic books based on size or reading time.
Innovation Solution
A handheld eBook reader device with a touch-screen display that utilizes pressure-sensitive technology to enable three-dimensional input for page turning, bookmarking, and filtering, incorporating microphones for additional input methods and providing text-to-speech conversion, allowing users to interact with digital content through intuitive gestures and commands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a touch-screen display is used for user interaction, then the ease of operation is improved through intuitive gestures, but the device complexity increases due to the need for pressure-sensitive technology and multiple input methods
Solution Approach 1:
The touch-screen display serves multiple functions: it displays content, detects user input through pressure sensitivity, and enables three-dimensional gestures for navigation. This multi-functionality improves ease of operation while managing device complexity by consolidating several functions into a single component.
Solution Approach 2:
Pressure-sensitive technology acts as an intermediary between the user's physical gestures and the digital interface. This intermediary layer translates tactile inputs into digital commands, enhancing ease of operation while the system manages the complexity through software processing of pressure data.
2Ease of operation
If pressure-sensitive technology is implemented for three-dimensional input, then the ease of operation is improved through intuitive gestures, but the manufacturing precision requirements increase
Solution Approach 1:
The system detects changes in pressure parameters (force, area, duration) to interpret user gestures. By monitoring variations in pressure data rather than requiring absolute precision in manufacturing, the system achieves intuitive gesture recognition while managing manufacturing tolerance requirements.
Solution Approach 2:
The patent replaces complex mechanical gesture recognition systems with pressure-sensitive electronic sensing. This substitution reduces manufacturing precision requirements by using electronic detection of pressure variations rather than precise mechanical alignment, while maintaining intuitive user interaction.
3Adaptability or versatility
If microphones are added for additional input methods, then the adaptability is improved through voice commands, but the device complexity increases
Solution Approach 1:
The microphones enable voice-based interaction, adding another input modality to the existing touch-screen interface. This multi-functionality enhances adaptability by allowing users to interact through voice commands while the system manages complexity through integrated audio processing within the existing device architecture.
4Ease of operation
If text-to-speech conversion is provided, then the ease of operation is improved for accessibility, but the use of energy increases
Solution Approach 1:
The text-to-speech conversion system automatically reads displayed text aloud without requiring additional user input or manual configuration. This self-service functionality enhances ease of operation for accessibility while the system manages energy consumption through efficient text processing and selective audio output based on user needs.
Data Source
AI summary
A user interface for a touch-screen display of a dedicated handheld electronic book reader device is described. The user interface detects human gestures manifest as pressure being applied by a finger or stylus to regions on the touch-screen display. In one implementation, the touch-screen user interface enables a user to turn one or more pages in response to applying a force or pressure to the touch-screen display. In another implementation, the touch-screen user interface is configured to bookmark a page temporarily by applying a pressure to the display, then allowing a user to turn pages to a new page, but reverting back to a previously-displayed page when the pressure is removed. In another implementation, the touch-screen user interface identifies and filters electronic books based on book size and/or a time available to read a book. In another implementation, the touch-screen user interface converts text to speech in response to a user touching the touch-screen display.