| 摘要 |
PROBLEM TO BE SOLVED: To improve safety and suppress complication of operation by combining special operation in information equipment. SOLUTION: Information equipment 10 which stores specified data and uses data for various kinds of purposes is the information equipment of a structure which has a clocking function and continues operation for enabling data use during the specified first period, and extends the first period by a specific extension operation with this operation by a user. This extension operation is made code input operation for using time information which can be obtained by the clocking function of the information equipment. |
