REMOVABLE MEMORY DEVICE FOR PORTABLE TERMINAL DEVICE

摘要

A removable memory device includes a memory for storing individual information therein, a memory manager for protecting the memory when the removable memory device is not connected to a portable terminal device and for allowing access thereto when the removable memory device is connected, a data input/output part as a data sending/receiving port to/from a data input/output part of the portable terminal device, and a controller for detecting an interconnection with the portable terminal device through the data input/output part and for controlling the memory manager. The removable memory device protects the individual information stored within it from being illegally used.