Vehicle-Mount Computer Screen Blanking Override
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Solution Overview
Problem
Existing vehicle-mount computer systems face challenges in safely and effectively displaying information to operators during vehicle motion, as the screen blanking feature prevents access to relevant information, leading to inefficiencies in industrial operations where continuous data access is necessary.
Innovation Solution
A system that includes a vehicle-mount computer with a central processing unit, motion detector, and touch screen, which stores user-selected information and overrides screen blanking during vehicle motion, displaying a zoomed view of this information, along with additional relevant data, using sensors like accelerometers and proximity sensors to ensure easy readability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screen blanking feature is enabled to prevent distractions during vehicle motion, then safety is improved, but information accessibility deteriorates
Solution Approach 1:
The display is segmented into multiple regions: a first region displaying user-selected information that remains visible during motion, and a second region displaying additional information that is suppressed during motion. This segmentation allows critical information to remain accessible while preventing distracting content from being displayed, thereby resolving the contradiction between safety and information accessibility.
2Loss of information
If all information is displayed on screen during vehicle motion, then information accessibility is improved, but driver distraction increases
Solution Approach 1:
Different regions of the display are assigned different qualities: the first region is configured to display information that remains visible during motion (local quality of visibility), while the second region displays information that is suppressed during motion (local quality of suppression). This local differentiation ensures that only essential information is accessible during motion, reducing driver distraction while maintaining information accessibility for critical data.
3Loss of information
If screen blanking is disabled to allow information access during motion, then information accessibility is improved, but safety deteriorates
Solution Approach 1:
The display system dynamically adjusts its behavior based on vehicle motion status. When the vehicle is in motion, the system automatically suppresses the second region displaying additional information while maintaining the first region displaying user-selected information. When the vehicle is stationary, both regions are visible. This dynamic adaptation allows information accessibility during motion without the safety risks associated with unrestricted information display.
4Loss of information
If multiple types of information are displayed simultaneously, then information completeness is improved, but readability deteriorates
Solution Approach 1:
The display is divided into a first region for user-selected information and a second region for additional information. During vehicle motion, only the first region remains visible, ensuring high readability of critical information. When stationary, both regions are visible to provide complete information. This segmented approach maintains information completeness while ensuring readability during motion by selectively displaying only essential information.
Data Source
AI summary
A system and method displays information using a vehicle-mount computer. The system includes (i) an input device and a display device for inputting and displaying information; (ii) a motion detector for detecting vehicle motion; (iii) a proximity sensor for detecting proximity to an item; and (vi) a vehicle-mount computer in communication with the input device, the display device, the motion detector, and the proximity sensor, the vehicle-mount computer including a central processing unit and memory. The vehicle-mount computer's central processing unit is configured to store information associated with user-selected information from the input device and to display a zoomed view of the user-selected information on the display device. Further, the vehicle-mount computer's central processing unit is configured to override screen-blanking when user-selected information is displayed.