| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a data input device preventing the display part of specified data from getting dirty locally. SOLUTION: This data input device is provided with data display means (1, 2, 4 and 5) displaying data including numerals, characters and symbols, etc., in respective divided display areas and data input means (1, 3 and 4) detecting contact to the unit display area and inputting the data displayed in the unit display area as input data. The data display means is provided with display area change means (4 and 5) randomly or quasi-randomly changing the combination of a plurality of the unit display areas and the input data to be displayed in the respective unit display areas.</p> |
