| 摘要 |
PROBLEM TO BE SOLVED: To solve such a problem of rent collection that if a lessee of a rented accommodation keeps unpaid, collecting the rent could become laborious, costly, and troublesome for a person in charge, in order to avoid the lessee from occupying the accommodation without payment. SOLUTION: In accordance with a lease contract, a lessor is allowed to lock a rented room by means of a remote controller from a remote place or to lock the door of the room for a certain period of time (the period required to confirm the payment of the rent) by means of an external setting device or PC communication or the Internet, so the lessee needs to pay the unpaid rent in order to enter the room.
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