Vehicle Navigation Position Input via Mobile Terminal
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Solution Overview
Problem
The existing methods for entering position data into a vehicle's navigation device are time-consuming and prone to errors, requiring manual typing and not improving input friendliness or ergonomics, even when using a portable device to transmit location data.
Innovation Solution
A method using a mobile radio terminal to display positions, mark a selected position, and transmit vehicle-specific position data to the navigation device, eliminating the need for manual typing by allowing users to select and transmit position data through a graphical interface, such as a touch-sensitive screen, using vehicle-specific communication connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual typing is used to enter position data into the navigation device, then the input process is straightforward, but it is time-consuming and error-prone
Solution Approach 1:
The patent replaces manual typing (mechanical input) with automatic recognition technology. The mobile device's camera captures images of position data (e.g., license plates, addresses), and optical character recognition (OCR) automatically converts the visual information into digital position data, eliminating the need for manual keyboard input and significantly reducing both time and errors.
Solution Approach 2:
The system enables self-service input by allowing the mobile device to automatically capture, recognize, and transmit position data without requiring the user to manually type or navigate through input fields. The camera and OCR software work autonomously to extract position information from visual sources and send it to the navigation device.
2Ease of operation
If a portable device is used to transmit location data to the navigation device, then manual entry on the navigation device is avoided, but the driver must still make an entry on the portable device
Solution Approach 1:
The patent replaces manual input operations on the portable device with automatic image capture and optical character recognition. Instead of requiring the driver to type or select position data on the portable device, the camera automatically captures the position information from the environment (e.g., license plate, sign), and OCR software automatically converts it to digital format for transmission to the navigation device.
Solution Approach 2:
The patent introduces an intermediary process between the physical position data (e.g., license plate) and the navigation device. The mobile device's camera and OCR system act as intermediaries that automatically capture, recognize, and convert the physical position information into digital format, eliminating the need for manual data entry on either device.
3Reliability
If position data is transmitted from a portable device to the navigation device, then typing errors are reduced, but the process requires establishing communication between devices
Solution Approach 1:
The patent leverages the universal capabilities of modern mobile devices, which already possess cameras, processors, and communication interfaces. By utilizing these existing multi-functional components, the system can capture position data, process it through OCR, and transmit it to the navigation device without requiring additional specialized hardware or complex communication protocols.
Data Source
Figure 1
AI summary
The invention relates to a method for inputting position data into a navigation device of a vehicle, comprising the steps: - displaying (10) positions on a graphical output unit of a mobile radio terminal device; - marking (12) one of the displayed positions on the output unit by means of a mark; - displaying (14) a graphical representation of a symbol for a vehicle by means of the output unit, to which vehicle the mobile radio terminal device makes vehicle-specific communication link data available; - shifting (16) the mark to the symbol of the vehicle or the symbol of the vehicle to the mark on the output unit; and - transmitting (18) position data identifying the marked position to the navigation device of the vehicle.