PROGRAM UPDATE DEVICE, COMPOSITE UNIT DEVICE, UPDATE DETERMINATION PROGRAM, AND PROGRAM UPDATE METHOD

摘要

Provided is a program update device (11), comprising: a program storage unit (1051) which stores firmware which is a program; a rule storage unit (1052) which stores rule information in which rules for updating the firmware are determined; an update information receiving unit (1053) which receives update information for updating the firmware; a determination unit (1054) which determines whether the update information complies with the rule information; and an update unit (1055) which, if the determination unit (1054) determines that the update information complies with the rule information, updates the firmware which the program storage unit (1051) stores, using the update information.