U-Turn Signaling via Coordinated Vehicle Lighting
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Solution Overview
Problem
Motor vehicles lack a dedicated mechanism to signal U-turn maneuvers, relying on conventional left and right turn signals which can cause confusion and increase the risk of collisions.
Innovation Solution
A system utilizing existing headlights, reverse lights, and turn-signal lights to create a coordinated signal for U-turn maneuvers, activated by a U-turn signal switch, which can include blinking or flashing patterns to indicate the intended direction of the U-turn.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If conventional left and right turn signals are used to signal a U-turn maneuver, then the vehicle can indicate direction change, but the signal is insufficient and creates confusion about the operator's intention
Solution Approach 1:
The patent combines multiple existing lighting modules (headlights, reverse lights, and turn signal lights) into a coordinated signaling system. When a U-turn signal is activated, these modules work together in a specific sequence and pattern to clearly indicate the intended U-turn maneuver, eliminating the ambiguity of using single turn signals alone.
Solution Approach 2:
The patent makes existing lighting modules serve multiple functions. The same headlights, reverse lights, and turn signal lights that perform their standard functions are also configured to work together as a U-turn signaling system, providing a universal solution that enhances communication capability without requiring entirely new components.
2Reliability
If a dedicated U-turn signaling mechanism is implemented, then the clarity of maneuver indication is improved, but the device complexity increases
Solution Approach 1:
The patent utilizes the vehicle's existing lighting infrastructure to provide U-turn signaling capability. Rather than requiring a completely new dedicated signaling mechanism, the system repurposes and coordinates modules that are already present in the vehicle, thereby improving reliability while minimizing the addition of new complex components.
Solution Approach 2:
The patent implements dynamic control of lighting modules through coordinated activation patterns. The system dynamically sequences the activation of headlights, reverse lights, and turn signal lights in specific patterns that clearly indicate U-turn intention, providing reliable communication through temporal dynamics rather than static additional hardware.
Data Source
AI summary
Described herein are systems, methods, and kits useful for signaling the intention and execution of a U-turn maneuver by a motor vehicle. A combination of existing headlights, reverse lights, turn-signal lights and side light modules are used in concert to generate a universally applicable signal that communicates to other travelers that a U-turn maneuver is intended and under execution. The signaling can be mediated via use of a U-turn signal switch that activates the light modules of a vehicle that correspond to the direction of the U-turn maneuver.