Information security – Access control or authentication – Stand-alone
Reexamination Certificate
2008-04-09
2011-11-15
Chen, Shin-Hon (Department: 2431)
Information security
Access control or authentication
Stand-alone
C358S001150, C709S217000, C709S219000
Reexamination Certificate
active
08060928
ABSTRACT:
The present invention can control a logout procedure of each user according to an operation state and provides an information-processing apparatus with enhanced security and excellent usability. A method for controlling an information-processing apparatus capable of maintaining a state in which a plurality of users has been logged in to the information-processing apparatus comprises causing a display unit to switch an operation screen for a user who currently logs in to the information-processing apparatus between an active state and an inactive state where the user can or cannot operate the screen respectively; automatically logging out the user of the information-processing apparatus when a predetermined time has elapsed; and controlling so as not to automatically log out a user whose operation screen is in the inactive state of the information-processing apparatus when the predetermined time has elapsed.
REFERENCES:
patent: 2004/0019687 (2004-01-01), Ozawa et al.
patent: 2005/0231760 (2005-10-01), Minato
patent: 2005301601 (2005-10-01), None
patent: 2005/093542 (2005-10-01), None
European Patent Office, European Search Report, Jan. 21, 2009.
Canon Kabushiki Kaisha
Canon USA, Inc., I.P. Division
Chen Shin-Hon
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