| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a multifunction system premised on identification that enables visual and electronic identification using a mobile communication device irrespective of the condition of radio waves. <P>SOLUTION: The system comprises the mobile communication device for outputting information as a certificate of a corresponding user's predetermined status, a certificate information management server for storing certificate information, an expiration date and invalidation information, and a server for downloading a certificate application. The application is downloaded and stored in a nonvolatile memory means, and is operated to acquire and store the certificate information and expiration date. If the invalidation information is found, the certificate is invalidated. In response to a display request, if the expiration date is not reached and no invalidation information is found, a certificate image including a presentation of the user's predetermined status is generated and displayed. <P>COPYRIGHT: (C)2007,JPO&INPIT |
