| 摘要 |
PROBLEM TO BE SOLVED: To provide an elder person-friendly personal identification number input method with a high level of security instead of a numeric key input method. SOLUTION: A plurality of personal identification numbers can be memorized when they are memorized not by a number but by a pattern, and the personal identification number can be inputted easily by this input method, in which input is carried out by drawing the pattern with a forefinger. A level of security can be increased when the number of decimal places of the personal identification number is increased. COPYRIGHT: (C)2006,JPO&NCIPI |
