Communication Terminal Height Mapping With Topographical Cross-Sections
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Solution Overview
Problem
Existing communication systems do not adequately consider height information when displaying position information, making it difficult to grasp the positional relationship between users during emergencies like disasters.
Innovation Solution
A communication terminal that includes a display unit capable of showing topographical cross-sections and planar maps, displaying height information in a user-friendly format, and switching between different result screens based on distance thresholds to facilitate understanding of height differences and movement loci.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If position information is displayed using conventional 2D maps without height consideration, then the display is simple and easy to understand, but the positional relationship regarding height between users cannot be visually recognized
Solution Approach 1:
The patent applies dimensionality change by transitioning from conventional 2D map display to a display that incorporates vertical height information. This is achieved through topographical cross-section views that add the vertical dimension to the traditional horizontal map view, enabling users to visually perceive height differences and positional relationships in three-dimensional space without completely abandoning the familiar 2D map interface.
Solution Approach 2:
The patent segments the display information into multiple components: planar position information, height information, and topographical cross-section data. This segmentation allows the system to present comprehensive spatial information while maintaining organizational clarity, with each segment serving a specific function in conveying positional relationships.
2Measurement precision
If height information is displayed using length measurement units (meters), then the information is precise, but it is not sensorially easy to grasp
Solution Approach 1:
The patent changes the parameter representation of height information from absolute length measurements (meters) to relative degree indicators. This parameter transformation makes height information more intuitively comprehensible by comparing it to familiar reference points and visual representations, while still maintaining the underlying precision through the topographical cross-section data that shows actual elevation differences.
Solution Approach 2:
The patent employs color coding and visual indicators to represent different height levels and degrees. By using color gradients and visual markers on the topographical cross-sections, the system translates numerical height data into visually distinguishable categories that are easier for users to perceive and compare at a glance.
3Loss of information
If a topographical cross-section display is always shown, then height positional relationships are clearly visualized, but the display becomes complex and may not be necessary for all situations
Solution Approach 1:
The patent implements a dynamic display system that adapts the level of detail shown based on the situation. The topographical cross-section view is displayed selectively when height differences are significant or when users need detailed spatial orientation, while simpler displays are used when height information is less critical. This dynamic adjustment optimizes information presentation based on contextual needs.
Solution Approach 2:
The patent extracts and emphasizes height information selectively rather than always displaying the full topographical cross-section. By taking out only the essential height-related data needed for the current situation and presenting it in an integrated manner with the map view, the system provides necessary spatial information without unnecessary complexity.
Data Source
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AI summary
There is provided position information or the like of others in consideration of height. A communication terminal is a communication terminal including a display unit. The display unit displays at least one of a first selection screen including one or more pieces of position information of communication terminals different from at least the communication terminal and a second selection screen including one or more pieces of position information of real estate. When one piece of position information of the one or more of the different communication terminals is selected on the first selection screen, the display unit displays a first result screen including a topographical cross section between a first region in which the communication terminal is located and a second region in which the different communication terminal selected on the first selection screen are located. When one of the one or more pieces of position information of the real estate is selected on the second selection screen, the display unit displays a second result screen including a topographical cross section between the first region and a third region in which the real estate selected on the second selection screen is located.