| 摘要 |
PROBLEM TO BE SOLVED: To provide a log generation device in which it is easily noticed from a log file of positioning that time adjustment is performed.SOLUTION: A log generation device includes: position acquisition means for acquiring positional information; date and time information acquisition means for acquiring, from a timer part for measuring date and time, date and time information indicative of date and time when the positional information is acquired by the position acquisition means; generation means for associating a plurality of pieces of positional information with date and time information indicative of date and time when each of the positional information is acquired so as to generate log data; detection means for detecting adjustment of date and time measured by the timer part; wherein when adjustment of date and time is detected by the detection means, the generation means generates new log data other than existing log data. |
