Adjustable Display Orientation for Portable Devices
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Solution Overview
Problem
Conventional portable electronic devices, such as Land Mobile Radios, often lack adjustable display orientations, making it difficult for users to view critical information when the device is attached to their body or in unconventional positions, particularly for law enforcement and first responders whose hands may be occupied.
Innovation Solution
Incorporating a display driver device that selects one of several pre-defined orientations for the display based on the device's current orientation and accessory status, using position detection and accessory detection devices, allowing for automatic adjustment of display orientation to ensure readability regardless of the device's position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed orientation display is provided on the top side of the device, then the device can be easily manufactured and the structure is simple, but the display becomes unreadable when the device is attached to the user's body in conventional positions
Solution Approach 1:
The display orientation is made dynamic by automatically adjusting it based on the device's current orientation detected by the accelerometer. The display rotates to different orientations (0°, 90°, 180°, 270°) depending on how the device is positioned, transforming a static display into a dynamic one that adapts to user needs without manual intervention
Solution Approach 2:
The system performs self-adjustment by using the accelerometer to detect device orientation and automatically rotating the display accordingly. This eliminates the need for manual user intervention to adjust display orientation, as the system serves itself by autonomously adapting to different positioning scenarios
2Ease of operation
If the user removes the device from its attached location to view the display, then the display becomes viewable, but the user's hands become occupied with the device removal task
Solution Approach 1:
The display automatically adjusts its orientation based on the device's current position detected by the accelerometer, eliminating the need for users to manually remove or reposition the device to access information. The system serves itself by autonomously adapting the display orientation to match the user's viewing position
Solution Approach 2:
The accelerometer provides continuous feedback on the device's orientation to the display driver, which then adjusts the display accordingly. This closed-loop feedback system ensures the display remains readable regardless of how the device is positioned, without requiring user action
3Adaptability or versatility
If multiple display orientations are supported manually, then the display can be viewed from different positions, but the device complexity increases due to additional controls and mechanisms
Solution Approach 1:
The system automatically determines the appropriate display orientation based on accelerometer data without requiring user input. The display driver autonomously selects from pre-defined orientations (0°, 90°, 180°, 270°) based on the detected device orientation, eliminating the need for manual controls while maintaining versatility
Solution Approach 2:
The display orientation parameter is automatically changed based on the device's physical orientation detected by the accelerometer. The system transitions between different display orientation states (0°, 90°, 180°, 270°) dynamically, providing adaptability without requiring manual parameter adjustment
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 easily view information without needing to reposition the device, enhancing usability in emergency situations by maintaining readability regardless of the device's orientation or attachment to accessories.
Implementation Method 1
at least one accelerometer device disposed within the device body and communicatively coupled to the display driver and configured for providing at least one signal indicative of an current orientation of the device body
Data Source
AI summary
A portable electronic device is provided. The electronic device includes a device body having at least one accessory interface and at least one display device positioned on a surface of the device body. The electronic device also includes a display driver device communicatively coupled to the display device and configured for receiving data for presentation on the display device and generating signals for causing the data to be presented on the display device. In the electronic device, the display driver device selects one orientation from a plurality of pre-defined orientations for the data on the display device based at least on a current orientation of the device body and a status of the accessory interface.