| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information processor for rewriting software stored in an IC chip loaded device on which a non-contact type IC chip is loaded, a software update control method, a program and an information processing system. <P>SOLUTION: This information processor capable of communicating with an IC chip loaded device on which an IC chip is loaded in a non-contact state is provided with a storage part for storing at least one update object data and data for difference determination corresponding to each update object data; a difference determination part for requesting information related with the version of the update object data to the IC chip loaded device, and for determining a difference between the update object data stored in the storage part and the update object data stored in the IC chip loaded device based on the information related with the version transmitted in response to the request and the data for difference determination; and a difference data transmission part for transmitting the difference data to the IC chip loaded device according to the determination result of the difference determination part. <P>COPYRIGHT: (C)2009,JPO&INPIT |
