Authenticity Detection via Current Value Pattern Matching
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Solution Overview
Problem
Existing systems for determining the authenticity of an appurtenance device may incorrectly identify an unauthorized product as authorized if their patterns of current consumption change rates resemble those of authorized products, leading to inaccurate determinations.
Innovation Solution
An information processing device that measures current values at multiple points, chronologically arranges these values to form a current value pattern, and compares it with a reference pattern to determine authenticity, focusing on absolute current values rather than change rates, ensuring accurate identification even when authorized and unauthorized products have similar change rate patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the system compares patterns of current consumption change rates to determine authenticity, then the determination process can be simplified, but unauthorized products with similar change rate patterns may be incorrectly identified as authorized
Solution Approach 1:
The patent changes the measurement parameter from current consumption change rates to absolute current consumption values. This parameter change allows the system to detect unauthorized products that have similar change rate patterns but different absolute current consumption characteristics, thereby resolving the contradiction between determination simplicity and accuracy
Solution Approach 2:
The patent introduces a current consumption value pattern as an intermediary measurement that bridges the gap between simple change rate comparison and complex absolute value analysis. By chronologically arranging absolute current consumption values to form a pattern, the system maintains a relatively simple determination process while achieving high accuracy in distinguishing authorized from unauthorized products
2Measurement precision
If the system uses absolute current consumption values instead of change rates, then authenticity determination accuracy is improved, but the measurement and comparison process becomes more complex
Solution Approach 1:
The patent applies preliminary action by pre-storing current consumption value patterns for both authorized and unauthorized products. This allows the measurement process to focus on comparing against predetermined patterns rather than performing complex real-time analysis, thereby reducing the apparent complexity of the measurement and comparison process while maintaining high accuracy
Solution Approach 2:
The patent segments the operational period into multiple predetermined periods and divides the current consumption measurement into distinct time segments. This segmentation allows the system to compare specific patterns at specific times, simplifying the overall comparison process while achieving high accuracy through multiple comparison points
Data Source
AI summary
The circuitry is configured to determine whether an appurtenance device is an authorized or an unauthorized product, based on a comparison result between a measured current value pattern produced for a predetermined period and a reference current value pattern obtained in advance for the predetermined period.