Portable Device Reset History Management
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Solution Overview
Problem
Existing portable devices lack a reliable method to track and diagnose operational issues, such as battery replacements and abnormal resets, which hinders effective management and identification of usage patterns and potential problems.
Innovation Solution
A portable device equipped with a control unit and history management unit that counts and stores reset frequencies, allowing the operation history to be used as a diagnostic function, enabling recognition of battery replacement and abnormal reset frequencies, and providing notifications when thresholds are reached.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If no operation history management is implemented, then the device structure remains simple, but the ability to diagnose usage patterns and identify problem causes is lost
Solution Approach 1:
The history management unit is integrated within the existing control unit structure, combining the diagnostic function with the control functionality. This merging approach allows operation history to be managed without adding a completely separate system, thus reducing overall device complexity while still capturing necessary diagnostic information.
Solution Approach 2:
The control unit performs self-diagnosis by automatically counting and storing its own reset operations and battery replacement events. This self-service mechanism eliminates the need for external diagnostic equipment or complex user intervention, allowing the device to track its own operational history autonomously.
2Reliability
If reset counting and history storage are added, then diagnostic capability is improved, but the device complexity increases
Solution Approach 1:
The history management unit serves multiple diagnostic purposes simultaneously: it tracks battery replacement frequency, counts reset operations, and provides information about usage patterns. This multi-functionality approach allows a single added component to address multiple diagnostic needs, reducing the overall complexity compared to implementing separate tracking mechanisms for each diagnostic function.
3Loss of information
If operation history is tracked and stored, then the ability to identify usage patterns is improved, but information storage requirements increase
Solution Approach 1:
The patent extracts only the essential diagnostic information needed for usage pattern analysis: reset counts and battery replacement frequency. By selecting and storing only these critical parameters rather than comprehensive operational logs, the system maintains strong diagnostic capability while minimizing information storage requirements.
Data Source
Figure 1
Figure 2~3
AI summary
A portable device (2) includes a control unit (22a) that controls operation of the portable device (2) and a history management unit (22a-22c) that counts resets of the control unit (22a) and holds the reset count as an operation history.