Virtual Page Turn Gesture Recognition on Touch Displays

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Solution Overview

Problem

Conventional digital reading devices lack a realistic and intuitive page-turning interface that mimics the experience of turning physical pages, while also failing to provide advanced features and functionalities available in computing systems.

Innovation Solution

A digital reading device with a touch display recognizes page-turning gestures and displays a virtual page turn, allowing users to simulate the experience of turning pages by lifting a portion of the page, with the option to accelerate page turns and flips through shortcuts, and enabling transparency effects to view one side through another, enhancing realism and user interaction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional digital reading devices are used, then basic reading functionality is provided, but realistic page-turning interface and advanced digital features are lacking

Engineering Contradiction:

Improvepage-turning interface realismVSAvoidinterface complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent creates a virtual copy of physical page-turning behavior by detecting swipe gestures and rendering animated page-turning effects that visually replicate the mechanics of turning physical book pages, including curling effects and perspective transformations, thereby providing realistic page-turning interface without physical pages

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The patent replaces the mechanical system of physical page-turning with a digital gesture-based system where touch screen swipes trigger computational graphics to simulate page turning, substituting physical manipulation with electronic detection and visual rendering while maintaining the intuitive page-turning experience

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Ease of operation

If physical page-turning is simulated, then user familiarity with physical books is leveraged, but additional digital features and functionalities are limited

Engineering Contradiction:

Improveuser familiarityVSAvoiddigital features

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The patent makes the touch display serve multiple functions by enabling it to both display visual information and detect gesture inputs for page-turning operations, allowing the same surface to function as both screen and control interface, thereby integrating physical-like interaction with digital capabilities

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Illumination intensity

If transparency effects are enabled to view one side through another, then visual feedback is enhanced, but processing requirements and device complexity increase

Engineering Contradiction:

Improvevisual feedbackVSAvoidprocessing requirements

Core Design Contradiction:

Illumination intensityVSDevice complexity

Solution Approach 1:

The patent applies transparency and opacity changes to the virtual page graphics during the animation sequence, allowing the underlying page to be partially visible through the lifting page, creating enhanced visual feedback that mimics the semi-transparent quality of real paper without requiring physical transparency

Inventive Principle:

Principle #32Color changes

Data Source

PatentUS9760178B2Virtual page turn

Publication Date: 2017.09.12 MICROSOFT TECHNOLOGY LICENSING LLC

AI summary

One or more pages are displayed on a display. A page-turning gesture is recognized. Responsive to such recognition, a virtual page turn that lifts a portion of the page is displayed on the display. One side of the lifted portion of the page is visible through the other side of the lifted portion of the page.