| 摘要 |
<p>PURPOSE:To inhibit key input from being performed except by an owner and to maintain secrecy by inhibiting next key input operation from being performed until a predetermined password is inputted from a keyboard part from power-on operation. CONSTITUTION:The processor consists of the keyboard part with a power-ON /OFF key and function keys 5, a main control part 7 which performs various kinds of control with the input from the keyboard part, and a display device 6 which displays the input data of the keyboard part under the command of the main control part 7. Then a system lock function means inhibits next key input operation from being performed until the predetermined password is inputted from the keyboard part after power-ON operation. Consequently, a third party who does not know the password is prevented from reading data on users to securely protect information.</p> |
