Portable Terminal Guide Information for RF Tag Alignment
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Solution Overview
Problem
In short-range wireless communication, users face challenges in maintaining data communication due to the need for precise alignment of portable terminals with embedded RF tags, as there are no visual indicators for antenna positions, leading to interrupted communication when the terminals deviate from the communicable area, and existing solutions struggle to guide users back to a communicable position in real-time.
Innovation Solution
A portable terminal equipped with a wireless communication unit, position determination unit, control unit, and display unit that generates and displays guide information to help users align the terminal within the communicable area, using acceleration data to determine displacement and provide directional guidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If short-range wireless communication is used for data communication, then data exchange between portable terminal and wireless tag is enabled, but communication is interrupted when the terminal deviates from the communicable area due to lack of visual indicators
Solution Approach 1:
The patent applies color changes by displaying visual indicators (marks) that change color or appearance to indicate the communicable area and alignment status. The display unit shows a mark that changes from a first color to a second color based on whether the portable terminal is within the communicable area, providing intuitive visual feedback to guide user alignment operations and maintain communication continuity.
2Adaptability or versatility
If the portable terminal is moved during data communication, then user mobility is improved, but the terminal may deviate from the communicable area causing communication interruption
Solution Approach 1:
The patent implements feedback by continuously monitoring the position of the portable terminal relative to the communicable area and providing real-time visual feedback through the display unit. The mark displayed changes color or appearance based on whether the terminal is within the communicable area, enabling users to adjust their position while maintaining communication stability.
Solution Approach 2:
The patent adds a visual dimension to the communication system by introducing display marks that provide spatial information about the communicable area. This visual dimension allows users to understand their position relative to the communication zone without physical constraints, enabling mobility while maintaining communication reliability.
3Ease of operation
If guide information is displayed on the basis of previous reading position information, then general guidance is provided, but real-time guidance when communication is interrupted is not available
Solution Approach 1:
The patent applies preliminary action by pre-defining the communicable area and preparing visual indicators that immediately indicate whether the terminal is within this area. When communication is interrupted, the system instantly displays the appropriate mark color to guide the user back to the communicable area, eliminating the need for complex calculations based on previous positions and reducing time to restore communication.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution allows users to efficiently reposition the portable terminal within the communicable area, minimizing data communication interruptions by providing real-time guidance through visual indicators, thus maintaining continuous data exchange.
Implementation Method 1
an acceleration determination unit configured to determinate acceleration of the portable terminal
Implementation Method 2
a wireless communication unit configured to perform data communication with a wireless tag in a non-contact manner
Data Source
AI summary
A portable terminal includes a wireless communication unit configured to perform data communication with a wireless tag in a non-contact manner, a position determination unit configured to determine a position of the portable terminal, a control unit configured to generate guide information for guiding the portable terminal to a communicable area where communication with the wireless tag is enabled on the basis of the position determined by the position determination unit if communication is disabled when communication with the wireless tag is performed, and a display unit configured to display the generated guide information.