Animated Traffic Sign Using Sensor-Activated Display
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Solution Overview
Problem
Traffic accidents at intersections, particularly in rural areas, often occur due to driver inattentiveness and insufficient signage or warnings about incoming traffic from other directions, as static signs are easily ignored.
Innovation Solution
A traffic notification system comprising a display visible to incoming traffic from one direction, activated by sensors detecting traffic from another direction, providing a moving or animated visual warning to indicate the presence of incoming traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If static signs and stop lights are used to warn drivers, then the warning function is provided, but the signs are easily ignored or unnoticed by motorists
Solution Approach 1:
The patent applies the dynamics principle by transforming static traffic signs into dynamic, animated displays. The display shows moving images of vehicles approaching from different directions, creating a dynamic visual effect that captures drivers' attention. This is achieved through a control system that receives signals from sensors detecting incoming traffic and activates the display accordingly, making the warning function reliable without overly complicating the basic sign structure
Solution Approach 2:
The patent implements periodic action through the intermittent activation of the display. The display is activated periodically when sensors detect incoming traffic from other directions and remains inactive when no traffic is detected. This periodic activation pattern ensures the display captures attention when needed while avoiding constant operation that would be ignored, effectively resolving the contradiction between reliability and simplicity
2Reliability
If timer-driven stop lights are used, then the warning function is provided, but motorists ignore the lights when traffic appears sparse
Solution Approach 1:
The patent applies feedback by using sensors to detect actual incoming traffic conditions and using this information to control the display activation. The sensors provide real-time feedback about traffic presence from different directions, and the control system responds by activating or deactivating the display accordingly. This feedback mechanism ensures the warning is accurate and relevant to actual conditions without requiring complex timer-driven control systems
Solution Approach 2:
The system implements self-service by automatically detecting traffic conditions and activating the display without human intervention. The sensors continuously monitor for incoming traffic, and when traffic is detected, the display automatically activates to provide the warning. This self-service approach eliminates the need for complex timer-driven control while maintaining reliable and accurate warning functionality based on actual traffic conditions
3Reliability
If animated displays are used to capture attention, then driver awareness is improved, but energy consumption increases
Solution Approach 1:
The patent resolves the energy consumption contradiction through periodic action by activating the animated display only when sensors detect incoming traffic from other directions. The display remains inactive during periods when no traffic is detected, significantly reducing overall energy consumption. This periodic activation maintains high driver awareness when needed while avoiding continuous operation that would consume excessive energy
Solution Approach 2:
The system applies dynamics by making the display activation conditional and adaptive rather than static and continuous. The display dynamically adjusts its operation based on real-time traffic detection, activating only when necessary to provide the warning function. This dynamic approach ensures high driver awareness when traffic is present while minimizing energy consumption during idle periods
Data Source
AI summary
Systems and methods that provide indications that incoming traffic is present. A display deployed at an intersection is visible to traffic coming from one direction. The display is activated when a sensor senses traffic coming from another direction. The activated display provides a moving or animated display that shows the direction that traffic is coming from.