| 摘要 |
An electronic system according to this invention comprises a means for registering a set of one or more keywords and passwords which correspond one to one with each other; a selection means for selecting any arbitrary pair of keyword and password from among the registered set of keywords and passwords; a display means for displaying the selected keyword; a means for identifying voice fed from outside of the electronic system, using a voice recognition means; and a means for determining based on comparison with the identification result whether the voice input corresponds with the password paired with the displayed keyword, wherein, when it is confirmed as a result of said comparison process that the voice input corresponds with the password, a user that has fed the voice input is approved as an authorized user of the electronic system.
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