| 摘要 |
PROBLEM TO BE SOLVED: To efficiently update firmware on a peripheral device side while facilitating the management of firmware on a host device side at the time of updating the firmware of the peripheral device from the host device. SOLUTION: In this firmware updation system, a host computer 10 which holds firmware FW-A of the latest version is connected to a peripheral device 20 which performs data transmission and reception based on the control of the firmware FW-A through a network, and when the firmware FW-A of the device 20 is updated, the device 20 transmits an updation request for firmware to the computer 10 to make it transfer the firmware of the latest version, receives the transferred firmware FW-A of the latest version, compares it with firmware FW-A stored in the device 20, searches for only its changed part and performs updation.
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