KEY, SYSTEM AND METHOD OF UNLOCKING ELECTRONIC DEVICE USING THE KEY

摘要

A method for unlocking a display screen of an electronic device includes activating the display screen which is locked of the electronic device when receiving a communication signal from a key, and generating an unlocked icon on the display screen. A request is sent to the key for generating first audio information after the unlocked icon is pressed, and the first audio information of an unlock code is received from the key. When the first audio information is the same as second audio information generated by a decryption algorithm stored in the storage device of the electronic device, the display screen of the electronic device is unlocked.

主权项

1. A key comprising:
a storage device which stores a decryption algorithm; and a processor which converts an unlock code generated by executing the decryption algorithm to audio information, and sends the audio information to an electronic device to unlock the electronic device.