| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a programmable display unit whose security is strengthened by preventing the leakage of a password as the problem of a conventional programmable display unit, and performing combined authentication in which an ID number or password owned by a programmable display unit and a plurality of authentication means such as external authentication devices are combined. <P>SOLUTION: An authentication setting processing part 106 sets information for performing combined authentication and information for specifying an operator, and on the basis of information for performing combined authentication stored in an authentication setting storage part 108, an authentication processing part 107 compares the personal identification information of the operator with information for specifying the operator stored in an authentication information storage part 109, and performs authentication determination. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
