JP2016086425A - Portable terminal and control method of the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable terminal which can inhibit unauthorized use by a third person without using a special key side device.SOLUTION: A plurality of portable terminals are registered with each other in advance. If one terminal of the portable terminals is released from a locked state, the portable terminal communicates with the other portable terminal which is in a service area of short-range radio communication to release the other portable terminal from the locked state, and when the other portable terminal gets out of the communication service area, the other portable terminal sets the locked state again.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a portable terminal and a control method thereof.

As background art of this technical field, there is JP-A-2004-102682 (Patent Document 1). This publication describes the following as a problem. “In the prior art, in order to prevent unauthorized use of the terminal device by a third party, the user is required to perform a complicated operation, and the user has lost his / her password, ID card, etc. In some cases, there was a problem that unauthorized use by a third party could not be reliably prevented. "
The means for solving this problem is described as follows. “The terminal lock system of the present invention is a terminal lock system for preventing unauthorized use of a terminal device by a third party by performing identity verification to confirm that the user has a legitimate right. A key-side device having a wireless communication means for performing short-range wireless communication, and a portable-side key device that makes a connection request to the key-side device by performing short-range wireless communication and has confirmed the connection. Terminal-side device that prohibits use of the terminal device that is installed when the information of the terminal and the pre-registered information do not match, or when the connection by the short-range wireless communication cannot be confirmed with the key-side device It consists of

JP 2004-102682 A

The patent document 1 describes the following effects. “According to the present invention, when a user wearing a key-side device leaves the terminal device wearing the terminal-side device and cannot connect by short-range wireless communication between the terminal-side device and the key-side device, Since the terminal side device is locked by prohibiting the use of the attached terminal device, the user is confirmed without requesting any operation to prevent unauthorized use of the terminal device by a third party. It can be reliably prevented. "
However, the user must always wear a dedicated key device having a communication function when using the terminal device.

  Accordingly, an object of the present invention is to provide an easy-to-use portable terminal that can prevent unauthorized use by a third party without using a dedicated key device and a control method therefor.

  An object of the present invention is to register, for example, a plurality of mobile terminals in advance and communicate with other mobile terminals in a short-range wireless communication range when one of the mobile terminals is unlocked. This can be achieved by releasing the lock state of the other portable terminal and setting the lock state again when it is out of the communication range.

  According to the present invention, for example, when the lock state of one mobile terminal of a plurality of mobile terminals is released, the lock state of other mobile terminals can be released.

  Problems, configurations, and effects other than those described above will be clarified by the following description of embodiments.

The block diagram which shows the structure of the portable terminal of a 1st Example. The flowchart which shows the lock | rock and releasing operation | movement of the portable terminal 1 of a 1st Example. The flowchart which shows the lock | rock and releasing operation | movement of the portable terminal 2 of a 1st Example. The flowchart which shows the lock | rock and releasing operation | movement of the portable terminal 1 of a 2nd Example. The flowchart which shows the lock | rock and releasing operation | movement of the portable terminal 2 of a 2nd Example. The flowchart which shows the lock | rock and releasing operation | movement of the portable terminal 1 of a 3rd Example. The display example of the liquid crystal panel of the portable terminal of a 3rd Example. The flowchart which shows the lock | rock and releasing operation | movement of the portable terminal 1 of a 4th Example. The flowchart which shows the lock | rock and releasing operation | movement of the portable terminal 1 of a 5th Example. The flowchart which shows warning operation | movement of the portable terminal 1 of a 6th Example.

  Embodiments will be described below with reference to the drawings.

  FIG. 1 is a block diagram showing a configuration of a mobile terminal according to a first embodiment of the present invention. The mobile terminal 1 and the mobile terminal 2 have a wireless communication function, and transmit / receive various information to / from the mobile base station 3. Moreover, the portable terminal 1 and the portable terminal 2 have a function of performing short-range wireless communication between the portable terminals, and by using the function, various information can be transmitted and received between the portable terminals 1 and 2. It is possible. As the short-range wireless communication, for example, Bluetooth (registered trademark), infrared rays, Wi-Fi Direct, or the like is used.

  The control unit 11 controls each unit of the mobile terminal 1. The control unit 11 includes a CPU (Central Processing Unit), an arbitrary control circuit, and a dedicated circuit such as an ASIC.

  The display unit 12 of the mobile terminal 1 is configured by a liquid crystal panel, for example, and displays various types of information. The operation unit 13 includes, for example, a push button switch or a touch panel, and transmits a user instruction to the control unit 11. The wireless communication unit 15 and the short-range wireless communication unit 16 include an antenna, a communication circuit including an encoding circuit and a decoding circuit, and the wireless communication unit 15 communicates with the mobile base station 3. The short-range wireless communication unit 16 controls short-range wireless communication and performs communication with the mobile terminal 2, for example.

  The storage unit 14 stores a program for controlling the mobile terminal, various setting information, a password for unlocking the mobile terminal, and the like.

  Regarding the control unit 21, display unit 22, operation unit 23, storage unit 24, and wireless communication unit 25 of the mobile terminal 2, the control unit 11, display unit 12, operation unit 13, storage unit 14, and wireless communication unit 15 of the mobile terminal 1. Since it is the same as that, the description is omitted. The short-range wireless communication unit 26 controls short-range wireless communication and performs communication with the mobile terminal 1, for example.

  Next, operations from when the mobile terminal 1 is unlocked to when the mobile terminal 2 is unlocked will be described.

  In the present embodiment, the locked state refers to a state in which all or some of the functions or operations of the mobile terminal are restricted.

  When the user refers to the display unit 12 of the mobile terminal 1 and operates the operation unit 13 to release the locked state, the mobile terminal 1 is in a short-range communication area that is a range where short-range wireless communication is possible. Is searched for, and further, it is confirmed whether or not it is a mobile terminal 2 that is a pre-registered mobile terminal. If the information stored in the storage unit 14 and the storage unit 24 match and it is confirmed that the mobile terminal is registered in advance, the locked state of the mobile terminal 2 is released.

  It is assumed that the portable terminal 1 and the portable terminal 2 shift to the locked state if they are not operated for a certain period of time, and for example, input of a password is required to release the locked state. The fixed time is, for example, 30 seconds. The mobile terminal 1 and the mobile terminal 2 are registered in advance so that they can be locked and released by short-range wireless communication.

  In addition, although the portable terminal 1 and the portable terminal 2 showed the example which has a radio | wireless communication function with the portable base station 3, the portable terminal 1 and / or the portable terminal 2 have a wireless LAN (Local Area Network) function, and are wireless. Various information may be transmitted / received to / from the LAN router.

  FIG. 2 is a flowchart showing the operation of locking and releasing the mobile terminal 1 according to the first embodiment.

  First, in step S201, the mobile terminal 1 confirms whether or not the locked state is released by a password input by the user. The process continues to wait until the lock state is released. When the lock state is released, the process proceeds to step S202. Here, the password input by the user is taken as an example, but biometric authentication or the like may be used.

  In step S202, the mobile terminal 1 searches for nearby mobile terminals by short-range wireless communication. For example, the mobile terminal 1 transmits a radio wave for short-range wireless communication, and searches for a mobile terminal that has established short-range radio communication by receiving the radio wave.

  In step S203, the process is switched depending on whether or not there is a mobile terminal in the vicinity and the mobile terminal is registered in advance. If there is a pre-registered mobile terminal, the process proceeds to step S204, and if not, the process proceeds to step S205.

  In step S204, the mobile terminal 1 releases the locked state of the mobile terminal 2 registered in advance by short-range wireless communication. For example, the mobile terminal 1 transmits a signal instructing release of the locked state to the mobile terminal 2. Here, it is assumed that the mobile terminal 1 and the mobile terminal 2 are registered in advance by the same user.

  In step S205, the mobile terminal 1 confirms whether or not the lock state is instructed by the user. If the lock state of the portable terminal 1 is instructed, the process proceeds to step S207. In step S206, it is confirmed whether the portable terminal 1 has not been operated for a certain period of time. If it has not been operated for a certain time, the process proceeds to step S207, and if it has been operated, the process returns to step S205.

  In step S207, the mobile terminal 1 locks the pre-registered mobile terminal 2 by short-range wireless communication. For example, the mobile terminal 1 transmits a signal instructing to enter the locked state to the mobile terminal 2.

  In step S208, the mobile terminal 1 is locked.

  FIG. 3 is a flowchart showing the operation of locking and releasing the mobile terminal 2 according to the first embodiment.

  First, in step S301, the mobile terminal 2 confirms whether or not the locked state is released by a password input by the user. If the locked state is released, the process proceeds to step S303. In step S302, the mobile terminal 2 confirms whether or not the locked state is released by the short-range wireless communication. If the locked state is released, the process proceeds to step S305, and if not released, the process returns to step S301.

  In step S303, the portable terminal 2 confirms whether or not the lock state is instructed by the user. If the lock state of the portable terminal 2 is instructed, the process proceeds to step S307. In step S304, it is confirmed whether the portable terminal 2 has not been operated for a certain period of time. If it has not been operated for a certain time, the process proceeds to step S307, and if it has been operated, the process returns to step S303.

  In step S <b> 305, the mobile terminal 2 checks whether it is out of the communication range of short-range wireless communication with the mobile terminal 1. If it is out of communication range, the process proceeds to step S307. In step S306, it is confirmed whether or not the lock state of the portable terminal 2 is instructed by the portable terminal 1 via the short-range wireless communication. When the locked state is instructed, the process proceeds to step S307, and when not instructed, the process returns to step S305.

  In step S307, the portable terminal 2 is locked.

  Note that the mobile terminal 1 detects that the short-range wireless communication established with the mobile terminal 2 is about to be interrupted, and immediately before the communication is interrupted, a signal instructing the mobile terminal 2 to shift to the locked state. You may make it transmit.

  With the above configuration, in the first embodiment of the present invention, when a plurality of portable terminals are registered in advance and one of the portable terminals is unlocked, it is within the communication range of short-range wireless communication. When the locked state of the other portable terminal is released and the mobile terminal is out of the communication range, the other portable terminal can be locked again.

  In the present embodiment, an example in which there are two portable terminals has been described, but locking and releasing can be similarly performed with three or more portable terminals.

  FIG. 4 is a flowchart showing the operation of locking and releasing the mobile terminal 1 according to the second embodiment of the present invention. Since the configuration of the mobile terminal is the same as that of the first embodiment, description thereof is omitted.

  First, in step S401, the mobile terminal 1 confirms whether or not the locked state is released by a password input by the user. If the locked state is released, the process proceeds to step S403. In step S402, the mobile terminal 1 confirms whether or not the locked state is released by short-range wireless communication. If canceled, the process proceeds to step S409.

  Steps S403 to S408 are the same as steps S202 to S207 in FIG.

  In step S409, the mobile terminal 1 checks whether it is out of the communication range of the short-range wireless communication with the mobile terminal 2. If it is outside the communication range, the process proceeds to step S411. In step S410, the mobile terminal 1 confirms whether the locked state is instructed by the short-range wireless communication. When the lock state is instructed, the process proceeds to step S411, and when not instructed, the process returns to step S409.

  In step S411, the portable terminal 1 is locked.

  FIG. 5 is a flowchart showing the operation of locking and releasing the mobile terminal 2 according to the second embodiment.

  First, in step S501, the mobile terminal 2 confirms whether or not the locked state is released by a password input by the user. If the locked state is released, the process proceeds to step S503. In step S502, the mobile terminal 2 confirms whether or not the locked state is released by the short-range wireless communication. If canceled, the process proceeds to step S509.

  Steps S503 to S504 are the same as steps S403 to S404 in FIG.

  In step S505, the portable terminal 2 releases the lock of the portable terminal 1 registered in advance by short-range wireless communication.

  In step S506, the portable terminal 2 confirms whether or not the lock state is instructed by the user. If the lock state of the portable terminal 2 is instructed, the process proceeds to step S508. In step S507, the mobile terminal 2 confirms whether it has not been operated for a certain period of time. If it has not been operated for a certain time, the process proceeds to step S508.

  In step S508, the mobile terminal 2 puts the pre-registered mobile terminal 1 into a locked state by short-range wireless communication.

  In step S <b> 509, the mobile terminal 2 confirms whether or not it is out of the communication range of short-range wireless communication with the mobile terminal 1. If it is outside the communication range, the process proceeds to step S511. In step S510, the mobile terminal 2 confirms whether the locked state is instructed by the short-range wireless communication. When the locked state is instructed, the process proceeds to step S511, and when not instructed, the process returns to step S509.

  In step S511, the portable terminal 2 is locked.

  With the above configuration, in the second embodiment of the present invention, when a plurality of mobile terminals are registered in advance and one of the mobile terminals is unlocked, the mobile terminal is within the communication range of short-range wireless communication. When the lock state of another mobile terminal is released and the mobile terminal is out of the communication range, the other mobile terminal can be again locked.

  Any mobile terminal that releases the lock state first can be used, and even if any mobile terminal is unlocked, the lock state of other mobile terminals can be released. Therefore, it is more convenient than the first embodiment. .

  In the present embodiment, an example in which there are two portable terminals is shown, but locking and unlocking can be similarly performed with three or more portable terminals.

  FIG. 6 is a flowchart showing the operation of locking and releasing the mobile terminal 1 according to the third embodiment of the present invention. Since the configuration of the mobile terminal is the same as that of the first embodiment, description thereof is omitted.

  Steps S601 to S604 are the same as steps S401 to S404 in FIG.

  In step S <b> 605, the mobile terminal 1 displays a confirmation screen for unlocking the mobile terminal 2. A display example will be described later.

  In step S606, the mobile terminal 1 confirms whether or not the user has instructed unlocking of the mobile terminal 2. If unlocking is instructed, the process proceeds to step S607, and if not, the process proceeds to step S608.

  Steps S608 to S613 are the same as steps S406 to S411 in FIG.

  FIG. 7 is a display example of the liquid crystal panel of the mobile terminal 1 when the mobile terminal 2 is detected by short-range wireless communication in step S605 of FIG. A detection report of the portable terminal 2, a selection button for unlocking, and a non-selection button are displayed on the liquid crystal panel. When the portable terminal 1 detects the portable terminal 2 by short-range wireless communication, the portable terminal 1 shifts to an unlock selection mode, and an unlock selection button 74 and an unlock non-select button 76 are displayed on the liquid crystal panel 73. When the push button switch 75 corresponding to the unlock selection button 74 is pressed by the user, the lock state of the mobile terminal 2 is released. When the push button switch 77 corresponding to the lock release non-select button 76 is pressed by the user, the lock release selection mode is released and the normal mode is restored.

  With the above configuration, in the third embodiment of the present invention, when a plurality of portable terminals are registered in advance and one of the portable terminals is unlocked, the portable terminal is within the communication range of short-range wireless communication. When the lock state of another mobile terminal is released and the mobile terminal is out of the communication range, the other mobile terminal can be again locked.

  Furthermore, when another mobile terminal is detected, the user can select whether to release the locked state.

  FIG. 8 is a flowchart showing the operation of locking and releasing the mobile terminal 1 according to the fourth embodiment of the present invention. Since the configuration of the mobile terminal is the same as that of the first embodiment, description thereof is omitted.

  First, in step S801, the mobile terminal 1 searches for nearby mobile terminals by short-range wireless communication.

  In step S802, the process is switched depending on whether there is a mobile terminal in the vicinity and it is a pre-registered mobile terminal. If there is a pre-registered mobile terminal, the process proceeds to step S803, and if not, the process proceeds to step S805.

  In step S803, the portable terminal 1 requests the user to input a simple password. In step S804, the portable terminal 1 continues to wait until the simple password is correctly input, and when it is input, the process proceeds to step S807.

  In step S805, the user is requested to input a detailed password, and in step S806, the process continues to wait until the detailed password is correctly input. If it is input, the process proceeds to step S807.

  The simple password is, for example, a 3-character number, and the detailed password is, for example, a 10-character number. That is, both strengths are different.

  In step S807, the mobile terminal 1 releases the locked state. Here, it is assumed that the mobile terminal 1 and the mobile terminal 2 are registered in advance by the same user.

  In step S808, the mobile terminal 1 confirms whether or not the lock state is instructed by the user. If the lock state of the portable terminal 1 is instructed, the process proceeds to step S810. In step S809, the mobile terminal 1 checks whether it has not been operated for a certain period of time. If it has not been operated for a certain time, the process proceeds to step S810.

  In step S810, the mobile terminal 1 is locked.

  The operation of locking and releasing the mobile terminal 2 is the same as that of the mobile terminal 1.

  With the above configuration, in the fourth embodiment of the present invention, a plurality of portable terminals are pre-registered with each other, and when both are within the communication range of short-range wireless communication, the authentication level for unlocking the portable terminal is simplified, Since it is detailed when it is not within the communication range, it is safer than the case where the authentication level is simply fixed, and is more convenient than the case where the authentication level is fixed in detail.

  In this embodiment, the number of characters in the password is changed as the authentication level switching. However, the identity matching rate of biometric authentication such as face authentication and finger authentication, the character matching rate of character authentication, etc. may be changed. .

  Further, in the present embodiment, an example in which there are two portable terminals is shown, but locking and releasing can be similarly performed with three or more portable terminals.

  FIG. 9 is a flowchart showing the operation of locking and releasing the mobile terminal 1 according to the fifth embodiment of the present invention. Since the configuration of the mobile terminal is the same as that of the first embodiment, description thereof is omitted.

  First, in step S901, the mobile terminal 1 searches for nearby mobile terminals by short-range wireless communication.

  In step S902, the process is switched depending on whether or not there is a mobile terminal in the vicinity and the mobile terminal is registered in advance. If there is a pre-registered mobile terminal, the process proceeds to step S903, and if not, the process returns to step S901.

  In step S903, the portable terminal 1 releases the locked state of the portable terminal 1. Here, it is assumed that the mobile terminal 1 and the mobile terminal 2 are registered in advance by the same user.

  In step S <b> 904, the mobile terminal 1 checks whether or not it is out of the communication range of the short-range wireless communication with the mobile terminal 2. The process continues to wait until it is out of the communication range.

  In step S905, the portable terminal 1 is locked.

  The operation of locking and releasing the mobile terminal 2 is the same as that of the mobile terminal 1.

  With the above configuration, in the fifth embodiment of the present invention, a plurality of portable terminals are registered in advance with each other, and when these are within the communication range of short-range wireless communication, the locked state of each other is released and the communication is out of communication range. Then, it can be locked again, which is more convenient than the first and second embodiments.

  In the present embodiment, an example in which there are two portable terminals is shown, but locking and unlocking can be similarly performed with three or more portable terminals.

  FIG. 10 is a flowchart showing the warning operation of the mobile terminal 1 according to the sixth embodiment of the present invention. Since the configuration of the mobile terminal is the same as that of the first embodiment, description thereof is omitted.

  First, in step S1001, the mobile terminal 1 searches for nearby mobile terminals by short-range wireless communication.

  In step S1002, the process is switched depending on whether or not there is a mobile terminal in the vicinity and it is a pre-registered mobile terminal. If there is a pre-registered mobile terminal, the process proceeds to step S1003. If not, the process returns to step S1001.

  In step S <b> 1003, the mobile terminal 1 checks whether it is out of the communication range of short-range wireless communication with the mobile terminal 2. If it is out of the communication range, the process proceeds to step S1004. If it is not out of the communication range, the process returns to step S1003.

  In step S1004, the mobile terminal 1 warns the user by sound or vibration. Or send an e-mail to another mobile terminal. At this time, if the mobile terminal 1 has a GPS (Global Positioning System) function, position information may be sent.

  The warning operation of the mobile terminal 2 is the same as that of the mobile terminal 1.

  With the above configuration, in the sixth embodiment of the present invention, a plurality of portable terminals are registered in advance with each other. Since the user is notified, loss of the portable terminal can be prevented.

  Further, for example, when the present embodiment and the first embodiment are combined, the user is informed that the mobile terminal 2 has been locked because the mobile terminal 2 has moved out of the communication range of the short-range wireless communication with the mobile terminal 1. You can also squeeze it.

  In this embodiment, an example in which there are two portable terminals is shown, but a warning operation can be performed in the same manner with three or more terminals.

  The above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described. Further, a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment. Further, it is possible to add, delete, and replace other configurations for a part of the configuration of each embodiment.

  Each of the above-described configurations, functions, processing units, processing means, and the like may be realized by hardware by designing a part or all of them with, for example, an integrated circuit. Each of the above-described configurations, functions, and the like may be realized by software by interpreting and executing a program that realizes each function by the processor. Information such as programs, tables, and files for realizing each function can be stored in a memory, a hard disk, a recording device such as an SSD (Solid State Drive), or a recording medium such as an IC card or an SD card.

  Further, the control lines and information lines indicate what is considered necessary for the explanation, and not all the control lines and information lines on the product are necessarily shown. Actually, it may be considered that almost all the components are connected to each other.

1, 2 ... mobile terminal, 3 ... mobile base station, 11, 21 ... control unit, 12, 22 ... display unit, 13, 23 ... operation unit, 14, 24 ... storage unit, 15, 25 ... wireless communication unit, 16 , 26 ... Near field communication unit

Claims (11)

In mobile devices that can transition to a locked state where certain operations are restricted,
A communication means for performing short-range wireless communication;
Storage means for storing information of other portable terminals in advance;
When releasing the locked state based on the user's operation, the communication means communicates with the other portable terminal in communication range, and the lock control instruction means for instructing the other portable terminal to release the locked state;
A portable terminal characterized by comprising: The mobile terminal according to claim 1,
The lock control instruction means includes
When shifting to the locked state based on a user's operation, the communication means communicates with the other portable terminal in the communication range by using the communication means, and instructs the other portable terminal to shift to the locked state. Terminal. The mobile terminal according to claim 1,
A mobile terminal that shifts to a locked state when out of a communication range with the other mobile terminal. The mobile terminal according to claim 1,
A portable terminal characterized by requesting confirmation from a user before releasing the lock state of the other portable terminal. In mobile devices that can transition to a locked state where certain operations are restricted,
A communication means for performing short-range wireless communication;
Storage means for storing information of other portable terminals in advance;
Authentication means for performing authentication for releasing the locked state,
The authentication means includes
If communication with the other mobile terminal can be performed by the communication means, a relatively simple authentication is requested, and if communication with the other mobile terminal cannot be performed, a relatively complicated authentication is requested. A portable terminal characterized by that. In mobile devices that can transition to a locked state where certain operations are restricted,
A communication means for performing short-range wireless communication;
Storage means for storing information of other portable terminals in advance;
The communication means communicates with the other portable terminal in the communication area, instructs to release the locked state of the other portable terminal, and enters the locked state when the other portable terminal is out of the communication area. Lock control instruction means for instructing the transition of
A portable terminal characterized by comprising: A communication means for performing short-range wireless communication;
Storage means for storing information of other portable terminals in advance;
Warning means for communicating with the other mobile terminal in communication range by the communication means, and notifying the user when the other mobile terminal is out of communication range;
A portable terminal characterized by comprising: In the control method of the portable terminal that can shift to the locked state in which the predetermined operation is restricted,
A process of performing short-range wireless communication;
Storing information of other mobile terminals;
When releasing the locked state based on a user operation, communicating with the other portable terminal in the communication range of the short-range wireless communication, and instructing the other portable terminal to release the locked state;
A method for controlling a portable terminal. In the control method of the portable terminal that can shift to the locked state in which the predetermined operation is restricted,
A process of performing short-range wireless communication;
Storing information of other mobile terminals;
When releasing the lock state, if near field communication can be performed with the other portable terminal, relatively simple authentication is requested, and near field communication with the other portable terminal is performed. And a step of requesting relatively complicated authentication if it is not possible. In the control method of the portable terminal that can shift to the locked state in which the predetermined operation is restricted,
A process of performing short-range wireless communication;
Storing information of other mobile terminals;
Communicates with the other portable terminal within the communication range of the short-range wireless communication, instructs to release the locked state of the other portable terminal, and locks to the other portable terminal when the communication range is removed A lock control instruction means for instructing an instruction to shift to a state;
A method for controlling a mobile terminal, comprising: A process of performing short-range wireless communication;
Storing information of other mobile terminals;
Communicating with the other mobile terminal within the communication range of the short-range wireless communication, and notifying the user when the other mobile terminal is out of the communication range;
A method for controlling a portable terminal.

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