| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system having a function by which identification is visually and electronically performed by a mobile communication apparatus regardless of a radio state and which is composite with the identification as premise. <P>SOLUTION: The system comprises the mobile communication apparatus for outputting information as a certificate which indicates that each user has a prescribed identity; a certificate information management server for storing certificate information, an expiry date, and invalidation information; and a server for downloading a certificate application. The application is downloaded and stored in a non-volatile memory means. When the application is operated, the certificate information and the expiry date are acquired and stored. When the invalidation information is present, the certificate is invalidated. When the expiry date is not expired and also the invalidation information is not present in response to a display request, the image of the certificate including a display that the user has the prescribed identity is generated and displayed. <P>COPYRIGHT: (C)2007,JPO&INPIT |
