| 摘要 |
PROBLEM TO BE SOLVED: To enable a host device to select correspondence/non-correspondence for each function and easily add a new function in updating the DB of each function owned by a device. SOLUTION: The host device 10 comprises a device information acquisition part 136 for acquiring, from the device 20, identification information of each function to which the device 20 corresponds and version information of the function; a host information acquisition part 156 for acquiring, from a function information storage part 154 of the host device 10, identification information of each function to which the host device 10 corresponds and version information of the function; an update function extraction part 158 for extracting, based on the information acquired by the device information acquisition part 136 and the host information acquisition part 156, a function to which the host device 10 can correspond of each function to which the device 20 corresponds as an update object function; a DB update part 160 for updating a DB corresponding to the update object function in the device 20; and a log recording part 162 for recording a log showing the update result to the device 20. COPYRIGHT: (C)2008,JPO&INPIT
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