Patent ID: 11924633
Assignee: MAXELL, LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A mobile terminal configured to switch between a locked state and an unlocked state in which unauthorized access of the mobile terminal is prevented, comprising:
a wireless LAN communication circuit transmitting and receiving information to and from a wireless router;
a wireless communication circuit transmitting and receiving information to and from a base station;
a memory for storing a password corresponding to the mobile terminal and information about another mobile terminal;
a Bluetooth transceiver for performing short-range wireless communications;
a processor controlling the Bluetooth transceiver to search for the another mobile terminal and determine whether the another mobile terminal is within range to conduct short-range wireless communications with the Bluetooth transceiver, wherein the Bluetooth transceiver is configured to perform short-range wireless communications with the another mobile terminal when the another mobile terminal is determined to be within range and when information about the another mobile terminal is stored in memory;
a location detector for determining a location of the mobile terminal based on GPS signals; and
a display displaying:
first information to indicate that the another mobile terminal is within range based on the determination; and
second information corresponding to an unlock operation when the mobile terminal is in the locked state,
wherein the processor is configured to:
switch the mobile terminal from the unlocked state to the locked state when the mobile terminal is not used for a predetermined period of time;
switch the mobile terminal from the lock state to the unlocked state when it receives input of a password and the inputted password matches the stored password;
perform biometric authentication to authenticate the user based on a face match operation and switch the mobile terminal from the lock state to the unlocked state when the biometric authentication is performed; and
perform a warning operation such that the location of the mobile terminal is transmitted to the another mobile terminal during the warning operation,
wherein the another mobile terminal also has a Bluetooth transceiver and a wireless LAN communication circuit, and
wherein the mobile terminal and the another mobile terminal are both previously registered mutually to the same user and the mutually registered terminals are configured to communicate with each other via Wi-Fi Direct.