Battery Level Indicator for Electronic Apparatus
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Solution Overview
Problem
Existing electronic devices, such as cameras, do not effectively inform users about the relationship between the main battery's full charge capacity and the remaining battery level of an auxiliary battery, making it difficult for users to understand how much the main battery can be charged.
Innovation Solution
An electronic apparatus with a connection unit for a battery device, a calculation unit to determine the remaining battery level based on the full charge capacity, and a display unit to show this information in an easily understandable manner, allowing users to see how many batteries' worth of charge is available from the auxiliary battery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the camera includes only a main battery without auxiliary battery indication, then the device structure is simple, but the user cannot know the remaining battery level of the auxiliary battery or the relationship between full charge capacity and remaining battery level
Solution Approach 1:
The patent uses the main battery's indicator to serve as an intermediary that displays information about both batteries. The indicator shows the remaining battery level of the auxiliary battery and the relationship between full charge capacity and remaining battery level, without requiring a separate indication system for the auxiliary battery.
Solution Approach 2:
The main battery indicator is given multiple functions: it not only indicates the main battery's charge level but also displays the auxiliary battery's remaining level and the charging relationship. This multi-functional approach eliminates the need for separate indication systems while providing comprehensive battery information.
2Loss of information
If separate indicators are provided for both main and auxiliary batteries, then complete battery information is available, but the device structure becomes more complex
Solution Approach 1:
The patent merges the indication functions for both batteries into a single indicator system. The main battery indicator displays information about both the main battery's charge level and the auxiliary battery's status, combining multiple indication functions into one unified system that reduces structural complexity.
3Loss of information
If the camera displays detailed battery charging relationships, then user awareness is improved, but the display complexity increases
Solution Approach 1:
The patent applies local quality by displaying different information in different states: when the auxiliary battery is connected, the indicator shows the remaining battery level; when charging, it shows the charging relationship. This context-dependent display approach provides comprehensive information without requiring a complex multi-mode display system.
Data Source
AI summary
An electronic apparatus includes a connection unit to which a battery device is connected, a calculation unit that calculates a remaining battery level of a battery of the battery device based on a full charge capacity of a battery of the electronic apparatus, and a display unit that displays information indicating a result of calculation made by the calculation unit.