Navigation Terminal Web Path Retrieval via Plugin
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Solution Overview
Problem
Most Personal Navigation Devices (PNDs) and In-Car Navigation terminals lack a communication device, preventing web browsing and path retrieval through navigation terminals without direct address input.
Innovation Solution
A path retrieval method and apparatus that uses a navigation terminal with a communication device to retrieve a destination web page, call an application program, transmit location information, and automatically retrieve a path based on user actions, such as pushing a location transmission button.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a communication device is added to enable web browsing, then path retrieval capability is improved, but device complexity increases
Solution Approach 1:
The navigation terminal is enhanced with a communication device to enable multi-functionality, allowing it to perform both traditional navigation tasks and web browsing for path retrieval. This universal design enables the device to access external information sources while maintaining its core navigation functions.
Solution Approach 2:
A plugin program acts as an intermediary between the web browser and the navigation terminal's path retrieval function. The plugin receives location information from web pages and automatically transmits it to the navigation terminal, bridging the gap between web browsing and navigation without requiring complex direct integration.
2Measurement precision
If direct address input is required, then path retrieval precision is improved, but ease of operation deteriorates
Solution Approach 1:
The system enables self-service path retrieval by allowing users to simply browse web pages and click location information without manually inputting addresses. The plugin automatically extracts and transmits the destination information to the navigation terminal, making the process convenient while maintaining accurate destination data.
Solution Approach 2:
Location information is pre-formatted and made available on web pages before the user needs it. When users click on location information during web browsing, the plugin is already positioned to capture and transmit this data immediately, eliminating the need for users to perform preliminary address input or formatting actions.
Data Source
AI summary
The path retrieval method includes retrieving a destination web page through a web browser of a navigation terminal, calling an application program through a user action in the retrieved destination web page, and transmitting destination location information to the application program, providing the destination location information to the navigation terminal by the application program, and requesting a path retrieval with respect to a destination, and retrieving a path to the destination based on the destination location information by the navigation terminal.


