Math Assistance Device Test Codes for Secure Mode Configuration

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Solution Overview

Problem

Current mechanisms for configuring and verifying secure test modes on math assistance devices are time-consuming, error-prone, and difficult to mass distribute, leading to inconsistent configurations due to varying device functionalities.

Innovation Solution

A method and apparatus for using test codes to enter secure test modes on math assistance devices, allowing users to generate and apply unique combinations of functionality restrictions and settings, which can be manually entered or transmitted to connected devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If individual platform configuration is used for secure test modes, then each device can be customized according to its specific functionality, but the configuration process becomes time-consuming and error-prone

Engineering Contradiction:
Improvedevice customizationVSAvoidconfiguration time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent implements a universal configuration system where a single test code can be used across multiple different math assistance devices regardless of their specific functionality. The system automatically adapts the universal test code to each device's capabilities, eliminating the need for individual platform-specific configuration while maintaining device customization through automatic capability detection and adjustment.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If individual platform configuration is used for secure test modes, then each device can be customized according to its specific functionality, but the configuration becomes difficult to mass distribute

Engineering Contradiction:
Improvedevice customizationVSAvoidmass distribution
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent uses a copyable test code that can be easily distributed to multiple devices without modification. The universal test code acts as a template that can be copied and applied across countless devices, replacing the complex individual configuration process and enabling simple mass distribution through digital transmission of the test code.

Inventive Principle:
Principle #26Copying

3Ease of manufacture

If platform-specific configuration steps are used, then each device type can be optimized, but configuration consistency across different devices deteriorates

Engineering Contradiction:
Improvedevice optimizationVSAvoidconfiguration consistency
Core Design Contradiction:
Ease of manufactureVSStability of the object's composition

Solution Approach 1:

The patent employs parameter changes within the universal test code to adapt to different device capabilities. The system modifies specific parameters of the test code based on detected device characteristics, allowing each device to be optimized for its specific functionality while maintaining overall configuration consistency through the unified test code structure and centralized configuration management.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12423217B2Test codes for secure test mode on math assistance devices
Publication Date: 2025.09.23 TEXAS INSTRUMENTS INC
  • US12423217B2 patent drawing
  • US12423217B2 patent drawing
  • US12423217B2 patent drawing

AI summary

A method for test configuration on a first math assistance device is provided that includes receiving a test code by the first math assistance device, wherein the test code includes one or more functionality restrictions, and entering secure test mode on the first math assistance device with the one or more functionality restrictions.