Multi-Account Memory Card Firmware Management
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Solution Overview
Problem
Current SIM card technology requires multiple cards for managing multiple user accounts, making it cumbersome to access secure systems and devices with different account credentials, with no existing solutions to simplify this process.
Innovation Solution
A memory card with multiple isolated user accounts and firmware that selectively manages each account, allowing access to the correct account data based on predetermined conditions, such as credential verification, enabling secure access to multiple accounts using a single card.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple SIM cards are used to manage multiple user accounts, then security credentials for different accounts can be stored, but the system becomes cumbersome and complex to operate
Solution Approach 1:
The patent consolidates multiple isolated user accounts onto a single SIM card, merging the functionality of multiple cards into one. The memory card includes multiple isolated user accounts stored in memory, allowing users to access different secure systems without physically handling multiple cards.
Solution Approach 2:
The SIM card is designed to perform multiple functions by storing multiple isolated user accounts, each capable of accessing different secure systems. The firmware selectively manages each account and directs access to the appropriate account based on system requirements, making a single card universal for multiple authentication purposes.
2Adaptability or versatility
If multiple SIM cards are used for different user accounts, then each account can have its own credentials, but device complexity increases
Solution Approach 1:
The patent combines multiple user accounts into a single SIM card structure. The memory card includes multiple isolated user accounts stored in memory, eliminating the need for multiple physical cards while maintaining account separation and security.
Solution Approach 2:
The SIM card internally segments memory into multiple isolated user accounts, each with its own credentials and access controls. The firmware selectively manages each account and directs access to the appropriate account based on system requirements, maintaining logical separation while using a single physical card.
3Adaptability or versatility
If multiple SIM cards are handled for secure access, then access to multiple secure systems is possible, but time consumption increases
Solution Approach 1:
The SIM card is pre-configured with multiple isolated user accounts before use. When accessing a secure system, the firmware automatically directs access to the appropriate pre-stored account based on system requirements, eliminating the time needed to physically swap cards or manually select accounts.
Solution Approach 2:
The patent merges multiple user accounts into a single SIM card, allowing the user to access multiple secure systems by presenting one card. The firmware automatically manages account selection and credential provision, significantly reducing access time compared to handling multiple separate cards.
Data Source
AI summary
A memory card having a memory resident on the memory card and having stored thereon multiple isolated user accounts each having an associated user account data, and a firmware stored in memory, the firmware including coded instructions, which when executed, selectively manages each isolated user account so that an account access data for a predetermined isolated user account is accessed from the associated user account data when the firmware determines a predetermined condition is satisfied.