Vehicle Portable Terminal Interface Device Data Transfer
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Solution Overview
Problem
Current data transfer methods between vehicles and portable terminals, such as USB and Bluetooth, face challenges in efficiently transferring large amounts of data and maintaining compatibility, necessitating a new protocol.
Innovation Solution
A method and device that normalize the data transfer interface between vehicles and portable terminals by detecting and authenticating connections, setting appropriate modules for data transfer, and using protocols like TCP/IP, while providing applications for unauthenticated terminals to enable data transfer, including image, sensor, and car network data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If USB or Bluetooth systems are used for data transfer between vehicles and portable terminals, then compatibility is maintained, but data transfer efficiency for large amounts of data deteriorates
Solution Approach 1:
The patent introduces an intermediary interface device that mediates between the vehicle's existing interfaces and portable terminals. This interface device includes a USB host controller that manages USB connections and a wireless communication unit that handles Bluetooth/Wi-Fi connections, serving as a mediator to improve data transfer efficiency while maintaining compatibility with existing systems
Solution Approach 2:
The interface device provides multi-functionality by supporting multiple communication protocols (USB wired, Bluetooth wireless, Wi-Fi wireless) through a single integrated system. The controller can select appropriate communication methods based on connection type, enabling universal data transfer capability across different portable terminals while optimizing for each specific connection medium
2Productivity
If multiple interface modules are provided for different data types, then data transfer capability is improved, but device complexity increases
Solution Approach 1:
The patent segments the data transfer functionality into distinct interface modules: a USB interface module for wired connections, a wireless communication unit for Bluetooth/Wi-Fi connections, and an image interface module for camera data. Each module handles specific data types and connection methods, allowing the system to manage complexity through organized functional separation while maintaining high data transfer capability
Solution Approach 2:
The controller dynamically selects and activates appropriate interface modules based on the connection type and data transfer requirements. The system can switch between USB, Bluetooth, and Wi-Fi modes as needed, making the interface configuration adaptive rather than static, which manages complexity through dynamic rather than parallel processing of all possible interfaces
Data Source
AI summary
A method of transferring data between a vehicle and a portable terminal and an interface device therefor are provided. According to the method and the device, compatibility can be maintained by normalizing data transfer interface between the vehicle and various portable terminals and an image taken inside or outside the vehicle can be provided to the portable terminal. In addition, interface enabling data communication with a device having an additional function such as an automobile black box can be provided.