| 摘要 |
PROBLEM TO BE SOLVED: To provide a keyless opening/closing system for a door, improving security by automatically locking a door lock at appropriate timing corresponding to a situation even in the case of the door lock being unlocked against a user's will. SOLUTION: In the case of receiving a signal for instructing to unlock a door lock when this door lock is in a locked state, if the door is not opened within thirty seconds, the door lock is automatically locked. In the case of receiving a signal for instructing to unlock the door lock when the door lock is in an unlocked state, if the door is not opened within ten seconds, the door lock is automatically locked.
|
