| 摘要 |
<P>PROBLEM TO BE SOLVED: To distribute data bases to the unspecified number of users and to enable individual users to use data regarding individual users themselves receiving the data bases by reception systems arranged in various places. <P>SOLUTION: In an authentication processing between a reception system and an individual authentication module constituting a broadcast type information system, a first authentication processing for confirming whether or not a data base in the reception system holds legitimate module identification information viewing from the side of an individual authentication module and a second authentication processing for confirming whether or not the data base can justly drawing the module identification information viewing from the side of the reception system are performed. <P>COPYRIGHT: (C)2003,JPO |
