| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a portable terminal device capable of improving security. <P>SOLUTION: A portable terminal device includes a display unit, a detection unit for detecting an input to the display unit, a storage unit for storing information and an input method of the information, and an authentication unit for, if the detection unit detects an input of information, checking the detected information and the input method of the information with the information pre-stored in the storage unit and the input method of the information to perform authentication. <P>COPYRIGHT: (C)2012,JPO&INPIT |
