Dynamic Analog Speed Meter Display Control for Vehicle Dashboards
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Solution Overview
Problem
Conventional display technologies for vehicle dashboards struggle to enhance driving safety while effectively presenting additional information, as they often limit the display region, making it difficult to grasp vehicle speed and provide sufficient space for additional information.
Innovation Solution
A display control device and program that dynamically adjust the display position of the analog speed meter based on the vehicle's traveling status, hiding the non-essential high-speed range when the vehicle is stationary or moving slowly to free up space for additional information without altering the size, shape, or orientation of the displayed regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the tachometer is reduced or moved to ensure space for additional information, then the display region for additional information is improved, but the driving safety is worsened because the ensured space is limited to the original tachometer region
Solution Approach 1:
The patent applies dynamics by making the speed meter display region dynamically adjustable based on vehicle speed. When vehicle speed is low, the display region is reduced to free up space for additional information. When vehicle speed increases, the display region automatically expands to ensure speed information visibility. This dynamic adjustment resolves the contradiction by adapting the display configuration to actual driving conditions rather than using a fixed layout.
Solution Approach 2:
The patent changes the parameter of display region size based on vehicle speed parameter. By monitoring vehicle speed and adjusting the speed meter display region size accordingly, the system optimizes the balance between speed information display and additional information display. This parameter-based control allows the display to adapt to different driving scenarios, ensuring safety when speed matters and maximizing information display when speed is low.
2Area of stationary object
If the additional information is superimposed and displayed on the speed meter, then the display region utilization is improved, but the speed grasping capability is worsened
Solution Approach 1:
The patent uses dynamic adjustment of the speed meter display region to prevent information loss. Instead of statically superimposing additional information on the speed meter, the system dynamically reduces the speed meter display region when vehicle speed is low, thereby avoiding superposition that would obscure speed information. When speed information becomes critical again, the region automatically restores its full size.
3Reliability
If the display region is limited to ensure driving safety, then the speed information visibility is improved, but the space for additional information is worsened
Solution Approach 1:
The patent resolves this contradiction through dynamic adjustment of the speed meter display region based on vehicle speed. When vehicle speed is high, the full speed meter display region is maintained to ensure speed information visibility. When vehicle speed is low, the display region is reduced to allocate more space to additional information. This dynamic behavior ensures that speed information visibility is maintained only when necessary for safety.
Data Source
AI summary
A display control device of the present invention is a device that controls an indication status of a display device disposed in front of a driver's seat of a vehicle, and includes a traveling status obtaining unit that obtains a traveling status of the vehicle, which includes at least a speed of the vehicle; a traveling status determining unit that determines, based on the traveling status, whether or not a predetermined condition is satisfied, the predetermined condition corresponding to at least a condition that both of a first region to be displayed on the display device and a second region other than the first region are present on an analog speed meter that presents the speed; and a display control unit that displays the first region of the analog speed meter on the display device, and does not display the second region of the analog speed meter on the display device when the predetermined condition is satisfied.