REMOVABLE MEMORY COMMUNICATION USING A BLUETOOTH-BASED LOCAL AREA OF SECURITY AND LOSS PREVENTION METHODS

摘要

The present invention relates to a system for using a removable memory within a predetermined interval between a smartphone and the removable memory and limiting the usage of the moveable memory when the removable memory deviates from the predetermined interval by using RSSI signal strength between the removable memory and the smartphone with Bluetooth communications. The system also limits the usage of the removable memory by using a password. The system adds a function which limits the usage of the removable memory when an inputted password does not correspond to the password in case of initially using the removable memory or changing the removable memory to each mode. The system comprises a function which performs an alarm in the smartphone or the removable memory when the removable memory deviates from an interval predetermined for loss prevention by separately setting the interval for preventing the loss besides the interval for security, and a function which enabling users to rapidly recognize the position of the smartphone by performing the alarm of the smartphone when a switch of the removable memory is pressed.