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Method, system, and door lock device for controlling door lock
A method for controlling a door lock device includes checking whether strength of a scanned signal obtained by scanning a signal output from a smart phone is greater than predetermined strength of a signal by the door lock device; comparing strength of a signal (RSSI) of the smart phone received through an external antenna installed outside the door in which the door lock device is installed with the RSSI received through an internal antenna installed inside the door by the door lock device; authenticating whether the smart phone is a valid smart phone, when the strength of a signal of the smart phone received through the external antenna is greater than the strength of a signal of the smart phone received through the internal antenna by a predetermined value; and opening the door when the smart phone is authenticated as the valid smart phone according to the authenticated result.
Method, system, and door lock device for controlling door lock
A method for controlling a door lock device includes checking whether strength of a scanned signal obtained by scanning a signal output from a smart phone is greater than predetermined strength of a signal by the door lock device; comparing strength of a signal (RSSI) of the smart phone received through an external antenna installed outside the door in which the door lock device is installed with the RSSI received through an internal antenna installed inside the door by the door lock device; authenticating whether the smart phone is a valid smart phone, when the strength of a signal of the smart phone received through the external antenna is greater than the strength of a signal of the smart phone received through the internal antenna by a predetermined value; and opening the door when the smart phone is authenticated as the valid smart phone according to the authenticated result.
Method, system, and door lock device for controlling door lock
KIM YOUNGSOO (author) / KIM DEOKHEON (author)
2021-08-03
Patent
Electronic Resource
English
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