Security Card Code Scanning for Automated Self-Checkout
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Solution Overview
Problem
Current security cards require manual interaction with a librarian to track borrowed items, which is time-consuming and inefficient, diverting librarians from other important tasks.
Innovation Solution
A security object, such as a card with a built-in scanner, automatically scans and processes multiple codes, adjusting display time intervals based on detected signals to ensure all codes are read efficiently, allowing users to self-checkout items without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual card scanning by librarian is used, then code processing accuracy is ensured, but time consumption increases and productivity decreases
Solution Approach 1:
The security card enables self-service functionality by automatically cycling through stored codes and presenting them to the card reader without requiring librarian intervention. The card autonomously manages code display timing and sequencing, allowing users to complete checkout procedures independently.
Solution Approach 2:
The security card implements periodic action by automatically cycling through stored codes at predetermined time intervals. This systematic rotation ensures that all codes are presented in sequence to the card reader, maintaining processing accuracy while enabling faster automated checkout operations.
2Productivity
If multiple codes are stored and cycled on the security card, then productivity improves through self-checkout, but device complexity increases
Solution Approach 1:
The security card divides the code storage and presentation function into discrete, manageable segments. Each code is stored as a separate entry in the code database, and the cycling mechanism processes them in sequential segments, simplifying the overall system architecture while enabling multiple code handling.
Solution Approach 2:
The security card acts as an intermediary device between the user and the card reading system. It manages the complexity of storing and cycling multiple codes internally, presenting a simplified interface to users while maintaining robust code management capabilities.
3Reliability
If display time interval is extended to ensure all codes are read, then code processing completeness improves, but time consumption increases
Solution Approach 1:
The system employs dynamic timing where the card cycles through codes at optimized intervals that balance reading completeness with time efficiency. The cycling mechanism adapts to the specific number of codes stored, automatically adjusting the display duration to ensure all codes are presented without unnecessary delays.
Solution Approach 2:
The system changes the time parameter dynamically based on the number of codes that need to be read. By adjusting the display time interval according to the specific checkout scenario, the system ensures complete code reading while minimizing overall checkout duration.
Data Source
AI summary
Methods and systems described herein for processing of codes stored within security objects may involve scanning a multitude of codes using the security object. When the codes have been scanned, the security object may store the codes until the mechanism is triggered by, for example, detection of a code processing device. As the security object cycles through the stored codes, it may detect a sound from the code processing device, and then a subsequent sound indicating that a first code and a second code have been processed. The security object may determine whether some codes (e.g., between the first code and the second code) may have been skipped and based on that determination, the security object may update cycling time (e.g., time each code is displayed) and then cycle through the other codes.