US Patent 10083130 Memory lock system with manipulatable input device and method of operation thereof

A security system for an external data storage apparatus and method of control thereof includes: a data storage, in which data is stored; a high-speed serial bus, which connects the data storage with a data terminal, which reads and writes the data stored in the data storage; a key input unit, which converts an identification (ID), which is input by operation of the user, to an electrical signal and outputs the converted signal; a memory, which stores and sets the ID input by the key input unit; and a control circuit, which, when the ID input by the key input unit is applied, compares the input ID with the preset ID stored in the memory and drives the data storage based on the compared results.