Proximity-Based Access Control for Shared Information Processing

The patent introduces position information as an intermediary verification parameter between the user authentication and apparatus selection. The management device acts as a mediator that checks both the user's authentication status and their physical proximity to the apparatus before allowing use. This intermediary layer prevents unauthorized access while maintaining ease of operation for legitimate users.

The patent changes the authentication parameter from solely relying on user identification to including position information verification. By adding the spatial parameter (distance between user and apparatus) to the authentication criteria, the system maintains ease of operation for nearby users while preventing unauthorized access to undesired apparatuses.

The patent enables self-service authentication by allowing the system to automatically verify user position and grant access without requiring manual administrator approval for each use. The management device autonomously checks whether the user is within the predetermined range of the apparatus and permits use if both authentication and position verification succeed, eliminating the need for repeated administrator intervention.

The system performs preliminary registration of user-apparatus associations and stores position information in advance. During actual use, the management device retrieves pre-stored authentication data and combines it with real-time position verification, allowing rapid automated decisions without requiring administrators to approve each individual use case.