Digital License Plate Mode Switching for Visibility and Power Use
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Solution Overview
Problem
Current digital license plate systems lack the ability to efficiently display dynamic vehicle information and advertisements in a manner that balances visibility with power consumption, particularly when vehicles are in motion, and do not effectively integrate with external data communication systems for real-time updates.
Innovation Solution
A digital license plate system that uses a processor to render identification and registration information, as well as advertisements, on an electronically readable display, with operational modes that adjust power consumption based on vehicle speed and state, and includes a communication device for real-time data transfer with external databases, allowing for dynamic content updates and theft notifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the digital license plate displays dynamic vehicle information and advertisements continuously, then visibility and user engagement are improved, but power consumption increases
Solution Approach 1:
The digital license plate implements multiple operational modes (first, second, and third modes) that dynamically adjust display characteristics based on vehicle speed and operational state. The system transitions between these modes to optimize the balance between visibility and power consumption, displaying information continuously when the vehicle is stationary or moving slowly, and reducing display activity when the vehicle is in motion.
Solution Approach 2:
The system changes display parameters such as brightness, refresh rate, and content update frequency based on vehicle speed and operational conditions. The processor adjusts these parameters in real-time to maintain adequate visibility while minimizing power consumption, particularly by reducing display updates during high-speed travel when visibility requirements are lower.
2Reliability
If the digital license plate integrates real-time data transfer with external databases, then information currency and regulatory compliance are improved, but device complexity increases
Solution Approach 1:
The digital license plate system integrates multiple functions including display, communication, data processing, and theft prevention within a single unified platform. The processor and communication device work together to handle both routine information updates and critical security functions, reducing the need for separate specialized systems and managing complexity through functional integration.
Solution Approach 2:
The system uses a communication device as an intermediary to transfer data between the digital license plate and external databases or law enforcement agencies. This intermediary layer manages the complexity of real-time data exchange by providing standardized communication protocols and buffering mechanisms, allowing the core display system to remain relatively simple while still achieving real-time information currency.
3Use of energy by moving object
If the digital license plate uses multiple operational modes to adjust power consumption, then energy efficiency is improved, but control complexity increases
Solution Approach 1:
The system incorporates feedback mechanisms where the processor continuously monitors vehicle speed and operational state, then automatically adjusts display parameters and operational mode accordingly. This feedback loop simplifies control complexity by using rule-based decision logic rather than complex algorithms, transitioning between operational modes based on predefined thresholds and conditions.
Solution Approach 2:
The digital license plate dynamically adapts its operational characteristics based on real-time vehicle conditions. The system automatically transitions between first, second, and third operational modes depending on whether the vehicle is stationary, moving slowly, or moving quickly, with each mode optimized for specific power consumption requirements while maintaining adequate visibility for the given context.
Data Source
AI summary
A vehicle information display system includes a digital license plate attachable to a vehicle and having a display able to present electronically readable visual information. This electronically readable visual information is usable to facilitate provision of services, including but not limited to vehicle rental or providing vehicle access to authorized service providers.