| 摘要 |
<P>PROBLEM TO BE SOLVED: To protect authority, property, etc, of a rightful user to avoid a danger of an owner's life even in case that a combination of identifiers for authentication is made available to others against the user's will. <P>SOLUTION: A regular combination allowing regular data to be acquired and a wrong combination allowing data other than the regular data to be acquired are provided as the combination of a plurality of identifiers, and following processing contents are made different between use of the regular combination and use of the wrong combination. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
