Single-Use Optical Access Tokens for Low-Network Entry Control
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Solution Overview
Problem
Existing methods for providing access tokens to user devices for physical locations are inefficient when cell service or WiFi is unavailable or heavily loaded, leading to delayed access or denial of access due to the need for application downloads and login processes.
Innovation Solution
A method and system for electronically generating a time-limited, one-use access token using a computer system that includes a computer readable optical code with device and user identifiers and a timestamp, which can be transmitted via messaging services, allowing access without the need for a dedicated application download.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a dedicated application is downloaded to the smartphone for access token provision, then access security and control are improved, but access time and user convenience deteriorate due to slow or impossible downloads in areas with limited network service
Solution Approach 1:
The patent extracts the essential access token functionality from the dedicated application context. Instead of requiring a full application download, the system delivers only the necessary access token data through standard messaging services. This separates the core access function from the application infrastructure, enabling rapid deployment without app installation while maintaining security through encrypted token transmission and validation.
2Adaptability or versatility
If a dedicated application is downloaded to the smartphone, then access control functionality is improved, but device complexity and installation requirements worsen
Solution Approach 1:
The patent makes the access token system universal by utilizing existing, widely-available messaging services (SMS, MMS, email) that are already installed on virtually all smartphones. This eliminates the need for proprietary application installation while maintaining robust access control functionality. The system works across different devices and operating systems without requiring users to download or install additional software.
3Reliability
If access tokens are transmitted through traditional application-based systems, then security is maintained, but network bandwidth consumption and transmission time increase
Solution Approach 1:
The patent employs disposable, single-use access tokens that are transmitted through efficient messaging channels. Each token is designed for one-time use with embedded expiration timestamps, eliminating the need for persistent application sessions or continuous network connections. This approach reduces network bandwidth consumption by transmitting only essential token data through compact messaging formats rather than maintaining ongoing application-based communications.
Data Source
AI summary
A system of enhancing biometric analysis matching utilizes an image sensor, such as a digital camera, to capture an image of a face of a person. The system may perform image enhancement, such as edge and contrast enhancement, prior to performing face matching. The enhancement may be localized to a given image region based on determined region illumination. The system may perform image processing and analysis comprising face detection, alignment, feature extraction, and recognition. A biometric recognition confidence indicator may be generated using the results of the image enhancement and analysis. At least partly in response to the biometric recognition confidence indicator falling below a threshold enhancing recognition confidence using an image of visual indicia captured using the image sensor.