Method and apparatus for measuring body balance of wearable device

Abstract

A wearable device includes a communication unit that wirelessly communicates with a first external device; a motion sensor that senses the user's motion; and a control unit. The wearable device collects a first motion data generated by the user's motion and transmits the first motion data to the first external device, receives a first security level data and a second security level data from the first external device, and receives only the first security level data from the first external device when the wearable device is converted into a non-wearing state from a wearing state.

What is claimed is: 
     
         1 . A authentication method of a portable electronic device, the method comprising:
 wirelessly communicating with the wearable device;   receiving an execution request of a first function requested by a user;   requesting a first authentication;   performing a first function when the first authentication is completed;   receiving an execution request of a second function requested by a user;   requesting a second authentication;   performing a second function when the second authentication is completed;   receiving third authentication information from the wearable device;   performing a third authentication based on the received third authentication information;   requesting the first authentication when the third authentication is completed and the execution request of the first function is received, and performing the first request when the first authentication is completed; and   performing the second function without the second authentication request when the third authentication is completed and the execution request of the second function is received.   
     
     
         2 . The method of  claim 1 , further comprising:
 transmitting a first request signal to the wearable device, the portable electronic device being in the first security state;   receiving a first motion data collected through a motion sensor provided in the wearable device during a certain period of time or during collection of a certain amount of data; and   registering the first motion data.   
     
     
         3 . The method of  claim 1 , wherein the third authentication information is a user's motion data that is collected through the motion sensor provided in the wearable device during a certain period of time or during collection of a certain amount of data when the wearable device is converted into a wearing state from a non-wearing state, the portable electronic device being in a fourth security state or a fifth security state. 
     
     
         4 . The method of  claim 1 , wherein the first function is a function of unlocking the portable electronic device. 
     
     
         5 . The method of  claim 1 , wherein the second function is at least one of login of an application, unlocking of a locked content, a user authentication for electronic payment and a remote control of an external device. 
     
     
         6 . The method of  claim 1 , wherein the first authentication and the second authentication are at least one of a password input, fingerprint recognition, iris recognition, face recognition, touch pattern input, position information, time information, weight information, voice input and gesture input. 
     
     
         7 . The method of  claim 2 , wherein performing the third authentication compares a plurality of feature points of the first motion data with a plurality of feature points of the third authentication information. 
     
     
         8 . The method of  claim 1 , further comprising:
 receiving the third function from the external device;   requesting the first authentication and the second authentication in the case of incompletion of the third authentication, and performing the third function in the case of completion of the first authenticate and the second authentication, when the third function request is received; and   performing the third function without request for the first authenticate and the second authentication in the case of completion of the third function when the third function execution request is received.   
     
     
         9 . The method of  claim 1 , wherein the third authentication releases the third authentication when the wearing state of the wearable device is changed. 
     
     
         10 . The method of  claim 2 , wherein the first security state is a state in which the portable electronic device is unlocked and the motion data for the wearer authentication of the wearable device is not registered. 
     
     
         11 . The method of  claim 3 , wherein the fourth security state is a state in which the portable electronic device is unlocked, the motion data for the wearer authentication of the wearable device is registered, and the wearer authentication of the wearable device is not authenticated. 
     
     
         12 . The method of  claim 3 , wherein the fifth security state is a state in which the portable electronic device is locked, the motion data for the wearer authentication of the wearable device is registered, and the wearer authentication of the wearable device is not authenticated. 
     
     
         13 . The method of  claim 1 , further comprising:
 receiving a fourth function execution request from an external device;   requesting the wearable device for the third authentication in the case of incompletion of the third authentication, when the fourth function execution request is received;   performing the fourth function only when both the first authenticate and the second authentication are completed in the case of completion of the third function when the fourth function execution request is received.   
     
     
         14 . A portable electronic device comprising:
 a communication module that wirelessly communicates with the wearable device; and   a control unit,   wherein the control unit requests a first authentication when receiving the execution request of a first function requested by a user, and performs the first function when the first authentication is completed,   the control unit requests a second authentication when receiving the execution request of a second function requested by the user, and performs the second function when the second authentication is completed,   the control unit performs a third authentication based on the received third authentication information when receiving the third authentication information from the wearable device,   the control unit requests the first authentication when the third authentication is completed and the execution request of the first function is received, and performs the first function when the first authentication is completed, and   the control unit performs the second function without the second authentication request when the third authentication is completed and the execution request of the second function is received.   
     
     
         15 . The portable electronic device of  claim 14 , wherein the control unit transmits the first request signal to the wearable device in the first security state of the portable electronic device, and registers the first motion data, by receiving the user's first motion data collected through a motion sensor provided in the wearable device during a certain amount or during collection of a certain amount of data. 
     
     
         16 . The portable electronic device of  claim 14 , wherein the third authentication information is a user's motion data collected through the motion sensor provided in the wearable device during a certain period of time or during collection of a certain amount of data when the wearable device is converted into the wearing state from the non-wearing state, and the portable electronic device is in a fourth security state or a fifth security state. 
     
     
         17 . The portable electronic device of  claim 14 , wherein the control unit requests the first authentication and the second authentication in the case of incompletion of the third authentication when receiving the third function execution request from an external device, and performs the third function when the first authentication and the second authentication are completed, and
 the control unit performs the third function without request for the first authentication and the second authentication, in the case of completion of the third authentication when the third function execution request is received.   
     
     
         18 . The portable electronic device of  claim 14 , wherein the control unit requests the wearable device for the third authentication in the case of incompletion of the third authentication when the fourth function execution request is received from an external device, and the control unit performs the fourth function only when both the first authentication and the second authentication are completed in the case of completion of the third authentication when the fourth function execution request is received.