Map Display of Charging Prices at Power Facility Locations
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Solution Overview
Problem
Users of power facilities are unable to easily recognize the power rate required for charging a power storage device in advance, leading to difficulties in making informed decisions.
Innovation Solution
A display device and server system that displays power-rate-related information, including power rate unit prices and placement positions of nearby power facilities on a map, allowing users to easily identify the required power rate for charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If power facility placement positions are displayed on a map image, then users can locate charging facilities easily, but power-rate-related information is not displayed and users cannot recognize pricing in advance
Solution Approach 1:
The patent combines the display of power facility placement positions and power-rate-related information into a single integrated map image display. This merging allows users to simultaneously access both location information and pricing information without needing to switch between different displays or interfaces, thereby resolving the contradiction between ease of locating facilities and access to pricing information.
Solution Approach 2:
The system performs preliminary display of power-rate-related information on the map image before the user actually uses the power facility. By showing pricing information in advance on the map, users can make informed decisions about which facility to use, eliminating the information gap that would otherwise exist at the point of use.
2Loss of information
If detailed power-rate-related information is displayed for each power facility, then users can make informed decisions, but the display becomes complex and information overload occurs
Solution Approach 1:
The patent applies local quality by displaying power-rate-related information specifically at the location of each power facility on the map, rather than presenting all information in a single centralized list. This allows users to access detailed pricing information only when needed for specific facilities, reducing overall display complexity while maintaining information availability.
Solution Approach 2:
The display information is segmented by individual power facility locations on the map. Each facility's power-rate-related information is displayed separately and independently at its corresponding map position, allowing users to process information in manageable units rather than overwhelming them with a consolidated list of all facilities and their pricing.
Data Source
AI summary
A mobile terminal includes a display and a controller. The display displays a map image. The controller controls the display. The controller controls the display to, when a placement position of at least one power facility is displayed on the map image, display power-rate-related information and the placement position of the at least one power facility on the map image. The at least one power facility supplies electric power to an object having a power storage device mounted thereon, to charge the power storage device. The power-rate-related information is information related to a power rate unit price for charging.