| 摘要 |
PROBLEM TO BE SOLVED: To make data updated by information contents efficiently receivable with a data receiving terminal. SOLUTION: The cyclic section 12 of a data update informing server 1 circulates specified information contents 5 on a network 4 in a prescribed cycle, and a update detecting section 13 detects the presence or absence of a data update of the information contents 5. When the data update is detected, a data update informing section 14 informs a data receiving terminal 2 of this fact. In the data receiving terminal 2, an informing section 24 informs its user of the fact. The user using the data receiving terminal 2 can efficiently receive the updated data by accessing the information contents 5 after being informed of the detection of the data update. |
