Method for unlocking a lock using real-time wireless power supply

A method for unlocking a lock using real-time wireless power supply, comprising:

• remaining an offline state between an electronic key and a lock when the electronic key is not used to execute an authentication identification procedure;
• executing the authentication identification procedure using the electronic key, wherein the electronic key and the lock remain in the offline state when authentication identification is identified as being unsuccessful by the electronic key;
• identifying whether a distance between the electronic key and the lock are in a communication range when the authentication identification is identified as being successful by the electronic key, wherein the electronic key and the lock remain in the offline state when the distance between the electronic key and the lock exceeds the communication range;
• wirelessly supplying power from the electronic key to the lock when the distance between the electronic key and the lock is in the communication range and when the authentication identification is identified as being successful by the electronic key, permitting the lock to use the wirelessly supplied power to operate;
• outputting an unlocking command from the electronic key to the lock during or after wireless power supply from the electronic key to the lock;
• unlocking the lock with the power wirelessly suppled from the electronic key when the lock receives the unlocking command from the electronic key;
• identifying whether a pre-set period of time has expired after the lock is unlocked or after the electronic key outputs the unlocking command, wherein the electronic key keeps wirelessly supplying power to the lock when the pre-set period of time has not expired;
• locking the lock using the power wirelessly supplied from the electronic key to the lock when the pre-set period of time has expired;
• and
• cutting off wireless power supply from the electronic key to the lock after the lock is locked.