Color-Coded Road Guidance for Screen-Free Vehicle Navigation
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Solution Overview
Problem
Drivers face safety and convenience issues due to the risk of operating mobile devices or built-in navigations while driving, especially in unfamiliar areas with complex road networks, where accurate navigation information is often obscured or unclear, leading to potential missed turns and increased stress.
Innovation Solution
A method and apparatus that provide accurate navigation information to vehicles by associating a specific color with the vehicle's route, which is displayed on transportation facilities such as road signs and traffic lines, allowing drivers to easily identify navigation instructions without needing to consult a navigation map, using a color indicating apparatus and transportation guiding apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If drivers use mobile devices or built-in navigation screens to obtain navigation information, then navigation information can be provided, but driver safety deteriorates due to distraction and risk of missed turns
Solution Approach 1:
The patent introduces transportation facilities (road signs, traffic lights, traffic lines) as intermediaries to deliver navigation information. These facilities act as mediators between the navigation system and the driver, projecting route guidance directly onto the road environment rather than requiring the driver to look at a separate screen. This resolves the contradiction by maintaining information delivery while eliminating the safety risk of screen viewing.
Solution Approach 2:
The patent transitions navigation information from a two-dimensional screen display to a three-dimensional spatial projection on the road surface and surrounding infrastructure. By projecting arrows, lines, and symbols directly onto the road and using transportation facilities as display media, the system moves navigation from the driver's peripheral vision zone to the central forward-viewing zone, eliminating distraction while preserving information delivery.
2Loss of information
If traditional navigation screens are used to display route information, then navigation can be provided, but information clarity deteriorates in complex road networks with multiple exits and branches
Solution Approach 1:
The patent applies different visual characteristics to different segments of the route by projecting colored arrows and lines corresponding to specific vehicle identifiers onto different road sections. Each route segment receives customized visual treatment (color, pattern, position) that matches the driver's specific navigation needs, providing precise local guidance rather than generic global information. This resolves the clarity issue in complex networks by making navigation information highly specific to the driver's current context.
Solution Approach 2:
The patent uses color-coded arrows and lines projected onto the road surface to differentiate between multiple routes, exits, and navigation instructions. Different colors represent different route options or navigation stages, allowing drivers to easily distinguish between competing directions in complex intersections. This visual differentiation dramatically improves information clarity compared to traditional monochrome or limited-color screen displays.
3Measurement precision
If drivers frequently check navigation screens to match with real-world transportation facilities, then navigation accuracy can be maintained, but driving convenience deteriorates due to increased cognitive load and time consumption
Solution Approach 1:
The patent inverts the traditional navigation interaction model. Instead of requiring the driver to look at the screen and then match the information with the real world, the system projects the navigation information directly onto the real world (road surface and transportation facilities). The driver simply follows the projected arrows and lines without needing to cross-reference with a screen, completely eliminating the matching task and dramatically improving ease of operation while maintaining accuracy.
Data Source
AI summary
A navigation method, navigation apparatus, color indicating apparatus and transportation guiding apparatus are provided. A navigation method, for providing navigation to a vehicle, comprises locating a position of the vehicle (101); determining a route for the vehicle based on the position and a destination of the vehicle (102); determining a transportation guiding apparatus for guiding the vehicle based on the route and position of the vehicle (103); determining a color associated with the vehicle (104); transmitting an indication of the color to a color indicating apparatus on the vehicle (105); and transmitting, an instruction on color display for guiding the vehicle, to the transportation guiding apparatus (106).