发明名称 IMAGE FORMING APPARATUS, SECURE NETWORK SYSTEM, METHOD FOR CONTROLLING IMAGE FORMING APPARATUS, AND METHOD FOR UPDATING CERTIFICATE INFORMATION
摘要 An image forming apparatus registers, when certificate information has been updated, the updated certificate information in an authentication server, and after the registration has been finished, transmits an event notification indicating that the certificate information has been updated to a printer server. The printer server re-acquires cached certificate information in response to this notification, and then again caches the certificate information.
申请公布号 US2013057895(A1) 申请公布日期 2013.03.07
申请号 US201213570186 申请日期 2012.08.08
申请人 OKAZAWA TAKASHI;CANON KABUSHIKI KAISHA 发明人 OKAZAWA TAKASHI
分类号 H04L9/32;G06K15/02 主分类号 H04L9/32
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