Dual Display Interface for Magnified Content Context

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Solution Overview

Problem

Users of electronic devices face difficulty in maintaining context while zooming in on a specific region of displayed content, as the context within the entire content is often lost at higher magnification levels.

Innovation Solution

The use of two display devices, where one displays content at a greater magnification of a selected region on the other, allowing users to navigate and edit the magnified region using touch input, with a graphical region-indicator to help identify the magnified area and maintain context awareness.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a user zooms in to view a desired region at higher magnification, then the detail view is improved, but the context of the region within the entire content is lost

Engineering Contradiction:
Improvemagnification levelVSAvoidcontext awareness
Core Design Contradiction:
Measurement precisionVSLoss of information

Solution Approach 1:

The display is divided into two separate display devices: a first display device showing the entire content at normal magnification and a second display device showing the selected region at increased magnification. This segmentation allows users to simultaneously view both the overview context and detailed magnified view without losing either perspective.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent transitions from a single-display two-dimensional view to a multi-display three-dimensional spatial arrangement. By placing displays at different positions and orientations, the system creates additional spatial dimensions for viewing content at different magnification levels simultaneously, resolving the contradiction between detail and context.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If a single display device is used, then the device complexity is low, but the ability to view content at higher magnification while maintaining context is limited

Engineering Contradiction:
Improvecontent viewing capabilityVSAvoidnumber of display devices
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Each display device is designed to be multi-functional: the first display shows both the overall content context and can display the magnified region, while the second display primarily shows the magnified region but can also display the full content. This universality allows the system to achieve high adaptability for various viewing scenarios without requiring overly complex integrated hardware.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS8223173B2Electronic device having improved user interface
Publication Date: 2012.07.17 HEWLETT PACKARD DEVELOPMENT COMPANY LP
  • US8223173B2 patent drawing
  • US8223173B2 patent drawing
  • US8223173B2 patent drawing

AI summary

Embodiments of the present invention provide an electronic device, comprising a first display and a second display arranged to display a region of the first display at an increased magnification.