发明名称 IMAGE PROCESSING APPARATUS AND USER AUTHENTICATION METHOD FOR IMAGE PROCESSING APPARATUS
摘要 An image processing apparatus includes a first authentication unit configured to authenticate a user, a second authentication unit configured to authenticate the user, an operation unit configured to receive an operation from the user, a logout unit configured to set the user in a logout state in which the user is unauthenticated, if a predetermined time has passed without the operation unit receiving any operation from the user while the user is authenticated by the first authentication unit or the second authentication unit, and a change unit configured to change the predetermined time to a second time shorter than a first time, if the user is unauthenticated by the second authentication unit while the user is authenticated by the first authentication unit and the second authentication unit.
申请公布号 US2011258697(A1) 申请公布日期 2011.10.20
申请号 US201113082692 申请日期 2011.04.08
申请人 CANON KABUSHIKI KAISHA 发明人 IKEDA ATSUSHI
分类号 G06F21/00 主分类号 G06F21/00
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