Method and mobile terminal for controlling screen lock

Abstract

A method of controlling screen lock and a mobile terminal employing the same is provided. The mobile device includes a User Interface (UI) for setting a screen unlock mode using a wireless device other than the mobile terminal and stores IDentifier (ID) information of the wireless device designated by the UI corresponding to the screen unlock mode. The mobile terminal is capable of detecting a wireless device. After the ID information of the wireless device is stored, if the wireless device is detected by the mobile terminal and ID information of the detected wireless device is identical to the stored ID information, the mobile terminal controls not to display an unlock requesting screen when the display unit of the mobile terminal is turned on.

What is claimed is: 
     
         1 . A method of controlling screen lock of a mobile terminal, the method comprising:
 detecting a wireless device corresponding to information stored in the mobile terminal;   detecting whether sensing condition satisfaction information is generated by the detected wireless device;   if the sensing condition satisfaction information is generated by the detected wireless device, displaying a home screen on a display unit of the mobile terminal; and   if the sensing condition satisfaction information is not generated by the detected wireless device, displaying an unlock requesting screen on the display unit of the mobile terminal.   
     
     
         2 . The method of  claim 1 , wherein the detecting a wireless device comprising:
 detecting the wireless device within a predefined range from the mobile terminal;   obtaining information of the detected wireless device; and   determining whether the obtained information matches information stored in the mobile terminal.   
     
     
         3 . The method of  claim 1 , wherein the sensing condition satisfaction information is generated by the wireless device when sensing information of the wireless device satisfies a predefined sensing condition of the wireless device. 
     
     
         4 . The method of  claim 3 , wherein the predefined sensing condition of the wireless device comprises a sensing condition that user's touch input pattern for the wireless device is identical to a predefined touch input pattern. 
     
     
         5 . The method of  claim 1 , wherein the mobile terminal comprises a Bluetooth Low Energy (BLE) device. 
     
     
         6 . The method of  claim 1 , further comprising, before the displaying the home screen, acquiring sensing information of the mobile terminal, wherein the displaying the home screen comprises:
 if the acquired sensing information of the mobile terminal satisfies a predefined sensing condition of the mobile terminal, displaying the home screen on the display unit.   
     
     
         7 . The method of  claim 6 , wherein the acquiring of the sensing information of the mobile terminal is carried out if the wireless device is detected by the mobile terminal. 
     
     
         8 . The method of  claim 6 , wherein the predefined sensing condition of the mobile terminal comprises a sensing condition that motion of the mobile terminal is identical to a predefined motion shape. 
     
     
         9 . The method of  claim 6 , wherein the predefined sensing condition of the mobile terminal comprises a sensing condition that the mobile terminal is worn by a user. 
     
     
         10 . The method of  claim 6 , further comprising:
 after displaying the home screen on the display unit, if the wireless device is continuously detected, acquiring new sensing information of the mobile terminal from the mobile terminal; and   if the new sensing information of the mobile terminal does not satisfies the predefined sensing condition, switching the home screen on the display unit of the mobile terminal to unlock requesting screen.   
     
     
         11 . A mobile terminal which controls screen lock, the mobile terminal comprising:
 a display unit;   a memory unit configured to store information;   a communication unit configured to detect a wireless device corresponding to information stored in the mobile terminal and detect whether sensing condition satisfaction information is generated by the detected wireless device; and   a control unit configured to, if the sensing condition satisfaction information is generated by the detected wireless device, display a home screen on the display unit of the mobile terminal and, if the sensing condition satisfaction information is not generated by the detected wireless device, display an unlock requesting screen on the display unit of the mobile terminal.   
     
     
         12 . The mobile terminal of  claim 11 , wherein the control unit further configured to, detect the wireless device within a predefined range from the mobile terminal, obtaining information of the detected wireless device and determining whether the obtained information matches information stored in the mobile terminal. 
     
     
         13 . The mobile terminal of  claim 11 , wherein the sensing condition satisfaction information is generated by the wireless device when sensing information of the wireless device satisfies a predefined sensing condition of the wireless device. 
     
     
         14 . The mobile terminal of  claim 13 , wherein the predefined sensing condition of the wireless device comprises a sensing condition that user's touch input pattern for the wireless device is identical to a predefined touch input pattern. 
     
     
         15 . The mobile terminal of  claim 11 , wherein the mobile terminal comprises a Bluetooth Low Energy (BLE) device. 
     
     
         16 . The mobile terminal of  claim 11 , further comprising:
 a sensing unit configured to acquire sensing information of the mobile terminal,   wherein the memory unit is further configured to store a predefined sensing condition of the mobile terminal, and   wherein the control unit is further configured to display the home screen on the display unit if the acquired sensing information of the mobile terminal stored in the memory unit satisfies the predefined sensing condition of the mobile terminal.   
     
     
         17 . The mobile terminal of  claim 16 , wherein the sensing unit is further configured to acquire the sensing information of the mobile terminal if the wireless device is detected by the mobile terminal. 
     
     
         18 . The mobile terminal of  claim 16 , wherein the predefined sensing condition of the mobile terminal comprises a sensing condition that the mobile terminal is worn by a user. 
     
     
         19 . The mobile terminal of  claim 16 , wherein the sensing unit is further configured to, after displaying the home screen on the display unit, if the wireless device is continuously detected, acquire new sensing information of the mobile terminal from the mobile terminal, and
 wherein the control unit is further configured to, if the new sensing information of the mobile terminal does not satisfies the predefined sensing condition, switch the home screen on the display unit of the mobile terminal to unlock requesting screen.   
     
     
         20 . A non-transitory computer readable recording medium having recorded thereon a program to execute a method of controlling screen lock of a mobile terminal, the method comprising:
 detecting a wireless device corresponding to the information stored in the mobile terminal;   detecting whether sensing condition satisfaction information is generated by the detected wireless device;   if the sensing condition satisfaction information is generated by the detected wireless device, displaying a home screen on the display unit of the mobile terminal; and   if the sensing condition satisfaction information is not generated by the detected wireless device, displaying an unlock requesting screen on the display unit of the mobile terminal.