External Navigation Display for Vehicle Turn Intent Communication
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Solution Overview
Problem
Traditional vehicle direction indicators, such as turn signal lamps, only convey left or right turn intentions and lack the detail needed in complex road scenarios, leading to potential misunderstandings and accidents due to insufficient information.
Innovation Solution
A system that integrates with a turn-by-turn navigation system to provide externally visible signals, including detailed directions like next actions and distances, using a navigation message sender, receiver, and display system, allowing trailing drivers to anticipate a vehicle's imminent turns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional turn signal lamps are used, then the device complexity is low, but the information provided is insufficient leading to misinterpretation
Solution Approach 1:
The patent combines the traditional turn signal lamp with an external display system that shows detailed turn-by-turn navigation instructions. This merging allows the simple turn signal to provide rich contextual information about upcoming turns, distances, and road names, resolving the information loss problem while maintaining relative system simplicity through integration rather than separate complex systems
Solution Approach 2:
The external display system acts as an intermediary between the navigation system and trailing drivers. It receives navigation data and presents it in a visually accessible format outside the vehicle, enabling trailing drivers to understand turn intentions without requiring complex internal communication systems or direct driver interaction
2Reliability
If detailed turn-by-turn navigation information is displayed externally, then trailing drivers can better anticipate turns, but the device complexity increases
Solution Approach 1:
The external display system serves multiple functions: it displays turn-by-turn navigation instructions, provides turn intention communication, and enhances safety by alerting trailing drivers to imminent turns. This multi-functionality justifies the added complexity by delivering multiple safety and communication benefits through a single integrated system
Solution Approach 2:
The system automatically retrieves and displays relevant navigation information without requiring manual input from trailing drivers. The navigation system self-provides turn-by-turn instructions that are automatically transmitted to the external display, reducing the burden on users while maintaining high reliability through automated information delivery
Data Source
AI summary
A system for providing an externally visible signal regarding a navigational instruction at a vehicle includes a navigation system, a navigation message sender, a navigation message receiver, and a display system. The navigation system generates and outputs turn-by-turn navigational directions within the vehicle to assist a driver of the vehicle in reaching a given destination location. The navigation message sender receives the turn-by-turn navigational directions and transmits them to the navigation message receiver. The navigation message receiver provides a navigational message to the display system for display in a manner visible outside the vehicle.