Display Device Inclination Compensation for Horizontal Image Rendering
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Solution Overview
Problem
Mobile display devices struggle to maintain a horizontal image orientation when used on uneven or inclined surfaces, causing viewer discomfort due to non-horizontal image display, which existing solutions like circular game consoles do not adequately address for non-circular screens.
Innovation Solution
Incorporating an inclinometer to measure screen inclination and a hardware processor to rotate and scale images to ensure they are displayed horizontally, regardless of the device's orientation, using a method that compensates for inclination to render images parallel with the horizon and fits within the screen's dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the mobile device is used on an uneven or inclined surface, then the device maintains mobility and portability, but the displayed image becomes non-horizontal causing viewer discomfort
Solution Approach 1:
The system continuously monitors the device's inclination angle using an inclinometer and dynamically adjusts the image rotation in real-time based on the measured angle, creating a closed-loop feedback system that maintains horizontal image display regardless of device orientation
Solution Approach 2:
The system changes the rotation parameter of the displayed image based on the measured inclination angle, rotating the image by the negative of the inclination angle to compensate for the tilt and maintain horizontal orientation
2Object-affected harmful factors
If the image is rotated to compensate for inclination, then the image remains horizontal, but the image may not fit properly within the screen dimensions
Solution Approach 1:
The system dynamically adjusts both the rotation angle and scaling factor of the image based on the measured inclination angle, allowing the image to maintain horizontal orientation while adapting its size and position to fit within the screen boundaries at any tilt angle
Solution Approach 2:
The system simultaneously modifies multiple parameters including rotation angle, scaling factor, and position coordinates to ensure the rotated image fits properly within the screen dimensions while maintaining horizontal orientation
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
Ensures a stable and comfortable viewing experience by maintaining horizontal image orientation on mobile devices, even on uneven surfaces or during vehicle movements, and accommodates various screen shapes, including non-rectangular ones, by rotating and scaling images effectively.
Implementation Method 1
an inclinometer configured to measure an inclination of the screen with respect to a horizon
Data Source
AI summary
A display device (100) obtains (S210) an image, obtains (S220) a current measure of inclination of a screen (110) of the display device (100), rotates (S230) the image to compensate for the inclination to render the image parallel with the horizon, scales (S240) and displays (S250) the image entire and horizontally on the screen. The image can be part of a video for which other images are processed to be displayed horizontally. The image can be scaled to maximise the size of the image when displayed on the screen (110); this can be performed after a period of unchanged inclination.