| 摘要 |
<p>PROBLEM TO BE SOLVED: To save time and effort for management of a home position to improve effectiveness of control using the home position.SOLUTION: An entering and leaving management system includes: a database for storing a home position corresponding to a user; and a database for storing entering and leaving information and last utilizing time in home position unit calculated from the home position; and deletion object home position extraction means for extracting a deletion object home position from the last utilizing time.</p> |
