| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a multifunction device capable of improving traceability at the time of information leakage which may occur when a USB is made available. <P>SOLUTION: The multifunction device is provided with an interface means for controlling the USB, and the interface means is provided with a management means which manages history information being information about a use history of an attachable/detachable USB memory in the device itself. An attached/detached state detection means for detecting whether the USB memory is attached to the interface means or not is included, and the history information managed by the management means includes information about an attachment/detachment history detected by the attached/detached state detection means. <P>COPYRIGHT: (C)2008,JPO&INPIT |
