Mobile Device Orientation Indicator System

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Solution Overview

Problem

Mobile devices often change display orientations in ways that are inconvenient for users, particularly when they are lying down or inverted, as they rely on gravity-based references to determine screen orientation, leading to display changes that are difficult for users to view.

Innovation Solution

A method and system that allows mobile devices to determine their orientation relative to a user-defined criteria, providing an indicator when the device is approaching a threshold angle that will trigger a display orientation change, allowing users to prevent or initiate the change through user input.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the mobile device automatically changes display orientation based on gravity-based references, then the display orientation adapts to device position changes, but the display orientation becomes inconvenient for users when they are lying down or inverted

Engineering Contradiction:
Improvedisplay orientation adaptationVSAvoiduser viewing convenience
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system provides an indicator notification before the display orientation actually changes, giving users advance warning (preliminary action) so they can prepare to adjust their viewing position or prevent the change by interacting with the indicator. This resolves the contradiction by maintaining automatic adaptation capability while giving users control to prevent inconvenient orientation changes.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If the mobile device relies on gravity-based references to determine screen orientation, then the orientation detection is simple and reliable, but the display changes are difficult for users to view when lying down or inverted

Engineering Contradiction:
Improveorientation detection reliabilityVSAvoiduser viewing convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system implements feedback by displaying an indicator that shows users when the device is approaching an orientation threshold that would trigger a display change. This feedback loop allows users to see what the system detects (reliable gravity-based orientation) and take action if they find it inconvenient, resolving the contradiction between reliable automatic detection and user viewing comfort.

Inventive Principle:
Principle #23Feedback

3Extent of automation

If the mobile device automatically changes display orientation without user input, then the orientation adjustment is seamless and automatic, but users lose control over when and if the display orientation adjusts

Engineering Contradiction:
Improvedisplay orientation automationVSAvoiduser control
Core Design Contradiction:
Extent of automationVSEase of operation

Solution Approach 1:

By providing advance notification through an indicator before the automatic orientation change occurs, the system maintains its automated seamless operation while giving users the opportunity to intervene if desired. The preliminary warning preserves automation while restoring user control, resolving the contradiction between automatic operation and user agency.

Inventive Principle:
Principle #10Preliminary action

4Ease of operation

If the mobile device provides indicator warnings before orientation changes, then users can control the display orientation, but the system complexity increases

Engineering Contradiction:
Improveuser control over display orientationVSAvoidsystem complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The indicator system uses the device's existing sensors and display capabilities to provide user control functionality without requiring additional hardware or complex external systems. The solution is self-contained, using the device's own resources to implement user control, thus minimizing the increase in system complexity while still providing the desired ease of operation.

Inventive Principle:
Principle #25Self-service

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables users to maintain a preferred display orientation even when the device changes position, improving usability by providing control over when and if the display orientation adjusts, thus enhancing user experience.

Implementation Method 1

Mobile devices often change display orientations in ways that are inconvenient for users, particularly when they are lying down or inverted, as they rely on gravity-based references to determine screen orientation

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentEP2685341B1System and method for determining a display orientation of a mobile device
Publication Date: 2017.09.27 BLACKBERRY LTD
  • EP2685341B1 patent drawingFigure 1A~1AB
  • EP2685341B1 patent drawingFigure 1B~1BD
  • EP2685341B1 patent drawingFigure 2A~2AB

AI summary

A method and system are provided for determining a display orientation of a mobile device. The mobile device is configured to change the display orientation when an orientation of the mobile device satisfies one or more criteria. The method includes determining the orientation of the mobile device and providing an indicator of a proximity of the orientation of the mobile device to satisfying the one or more criteria.