JP2018117324A - Terminal device and reading control program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable access to data stored in a terminal device even when a display device of a terminal device is broken.SOLUTION: A terminal device according to one embodiment includes a start unit and a permission unit. The start unit starts an application for executing authentication by short-range wireless communication by using a communication device when it is determined that a display device is broken on the basis of acceleration detected by using an acceleration sensor. The permission unit executes authentication by the short-range wireless communication by using another terminal and a communication device through the application and releases a security lock and permits access to data stored in a storage unit from another terminal when the authentication is performed successfully.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a terminal device and a read control program.

  For example, important data in a private or business activity may be stored in a terminal device such as a smartphone, a mobile phone, a tablet terminal, a personal computer (PC), or a notebook PC. Therefore, backup is performed by taking out data to an external device via a connection interface such as USB (Universal Serial Bus).

  On the other hand, techniques for detecting the fall or collision of an apparatus using an acceleration sensor are known (for example, Patent Document 1 to Patent Document 3).

JP 10-35546 A JP 2008-205766 A JP 2007-328882 A

  However, for example, the display screen of the display device of the terminal device may be damaged due to an impact such as a collision caused by dropping, and the display device may break down. In this case, since the user cannot see the display screen, it is difficult to operate the terminal device. The terminal device may be security locked. Then, it may be difficult to release the security lock due to a failure of the display device, and important data stored in the terminal device may not be extracted. In one aspect, an object of the present invention is to provide a technique that enables access to data stored in a terminal device even when a display device of the terminal device fails.

  The terminal device according to one aspect of the present invention includes an activation unit and a permission unit. The activation unit activates an application for executing authentication by short-range wireless communication using a communication device when it is determined that the display device is out of order based on the acceleration detected using the acceleration sensor. The permission unit executes authentication by short-distance wireless communication using another terminal and a communication device by an application, and when the authentication is successful, releases the security lock and transmits data stored in the storage unit from another terminal. Allow access.

  Data stored in the terminal device can be accessed even when the display device of the terminal device fails.

It is a figure which illustrates failure of the display apparatus of the touch panel of a terminal device. It is a figure which illustrates the block configuration of the terminal device which concerns on embodiment. It is a figure which illustrates transfer to authentication acceptance mode. It is a figure which illustrates the cancellation | release process of the authentication reception mode when a collision is not detected. It is a figure which illustrates cancellation | release operation of the authentication reception mode by a user. It is a figure which illustrates execution of notification for prompting a user to take out data. It is a figure which illustrates the rescue mode transfer process which concerns on embodiment. It is a sequence diagram which illustrates the flow of data transfer. It is a figure which illustrates the external output process of the display screen in rescue mode. It is a figure which shows an example of the hardware constitutions for implement | achieving a terminal device.

  Hereinafter, some embodiments of the present invention will be described in detail with reference to the drawings. In addition, the same code | symbol is attached | subjected to the corresponding element in several drawing.

As described above, for example, the display device of the terminal device may break down due to an impact caused by dropping or the like. In the following description, a touch panel will be described as an example of the display device. However, the embodiment is not limited to this. For example, the embodiment may be applied to a terminal device that is individually provided with an input device such as a key or a button and a display device such as a liquid crystal display. it can.
FIG. 1 is a diagram illustrating a failure of the display screen of the touch panel 101 of the terminal device 100. The display screen of the touch panel 101 of the terminal device 100 shown in FIG. 1A is broken in FIG. . In this case, even if the terminal device 100 is operating and data is normally left in the storage device, the touch panel 101 is broken, so that the operation of the terminal becomes difficult and stored data cannot be retrieved. Sometimes. Further, the terminal device 100 may be locked with security. In this case, for example, the security lock may not be released unless the terminal device 100 is operated. For this reason, for example, even if another terminal is connected to a mini USB terminal provided in the terminal device 100 and data is read out, the data may not be retrieved because the security lock is applied.

  As one countermeasure against such a situation, it is conceivable to back up data stored in the terminal device 100 in advance. However, for example, when data is backed up, data in a state immediately before the occurrence of the failure is not always backed up, and data desired by the user may not be stored. As a result, the user may not be able to obtain data stored in the terminal device 100.

  Therefore, a technique that enables access to data stored in the terminal device even when the display device of the terminal device 100 fails is desired.

  In the embodiment described below, the terminal device 100 detects a state of the terminal device in which a failure of the display device such as a falling state may occur with a sensor. When detecting the state of the terminal device that may cause a failure in the touch panel 101 such as a fall state, the terminal device 100 activates a communication device for near field communication such as NFC (Near Field Communication), for example, The authentication acceptance mode for waiting for authentication via range wireless communication is entered. When the terminal device 100 is successfully authenticated, the terminal device 100 shifts to the rescue mode. The rescue mode is a mode in which data in the terminal device 100 can be taken out even when the touch panel 101 is out of order, for example. In the rescue mode, for example, the terminal device 100 releases the security lock and validates the connection setting with the external peripheral device. Therefore, the user can read out data by connecting another terminal device to the terminal device 100, for example. Hereinafter, embodiments will be described in detail.

  FIG. 2 is a diagram illustrating a block configuration of the terminal device 100 according to the embodiment. The terminal device 100 includes, for example, a control unit 201, a storage unit 202, a communication unit 203, a touch panel 101, and a sensor 205. The control unit 201 may operate as, for example, the activation unit 211, the permission unit 212, and the output unit 213. The storage unit 202 of the terminal device 100 may store various information such as an address book and application programs and data. The communication unit 203 may include a communication device such as NFC or Bluetooth (registered trademark). The touch panel 101 displays an image on a display screen, for example, and receives an input from a user. The sensor 205 is, for example, a sensor for detecting a fall or collision of the terminal device 100, and may be an acceleration sensor in one example. Further details of these units and details of information stored in the storage unit 202 will be described later.

  FIG. 3 is a diagram illustrating the transition to the authentication acceptance mode according to the embodiment. In FIG. 3A, the terminal device 100 is operating in the normal mode. In the normal mode, for example, the user can use various applications by inputting an operation. Moreover, when the state where the user is not operating the terminal device 100 continues, the terminal device 100 may validate a security lock. When the terminal device 100 is security-locked, use of functions and applications of the terminal device 100 is restricted. The user can release the security lock by performing authentication by inputting authentication information such as a password to the terminal device 100, for example. Further, for example, the terminal device 100 includes a sensor 205 such as an acceleration sensor, and the control unit 201 of the terminal device 100 may detect a drop or collision of the terminal device 100 based on an output value of the sensor 205.

And the control part 201 makes the terminal device 100 transfer to authentication reception mode, when the fall of the terminal device 100 is detected ((b) of FIG. 3). For example, the control unit 201 determines that the terminal device 100 is falling when detecting a predetermined range of acceleration (for example, a value within a predetermined range from 0 m / s ² ) in the gravitational acceleration direction for a predetermined time or more. It's okay.

  Subsequently, the control unit 201 determines whether or not the terminal device 100 has collided with another object after the fall is detected ((c) in FIG. 3). For example, the control unit 201 may determine that a collision has occurred when a change in predetermined acceleration is detected after detection of a fall. For example, in the case of a collision, a change in acceleration (vibration: having a constant amplitude and period) according to the velocity and the object to be collided is shown, so that the collision can be detected from the change in acceleration. If it is determined that there is a collision, the touch panel 101 may be broken due to the collision, and thus the control unit 201 continues the authentication reception mode (FIG. 3D). In this case, for example, the control unit 201 may wait for authentication by NFC communication and release the security lock when the authentication is successful. Since the security lock is released, the user can connect another terminal to the terminal device 100 by USB connection or the like without inputting a passcode or the like on the display screen of the touch panel 101, for example. Data can be read out to another terminal.

  FIG. 4 is a diagram exemplifying authentication acceptance mode release processing when no collision is detected. For example, a collision may not be detected after the control unit 201 of the terminal device 100 detects a fall. In this case, since an excessive impact is not applied to the terminal device 100, there is a high possibility that the touch panel 101 of the terminal device 100 has not failed. Therefore, it is desirable to cancel the authentication acceptance mode when no collision is detected. 4 (a) and 4 (b), as in the flow up to FIGS. 3 (a) and 3 (b), when the control unit 201 of the terminal device 100 detects a fall, the mode is accepted from the normal mode. Switch to mode. However, since no collision is detected within a predetermined time in FIG. 4C, the control unit 201 may cancel the authentication acceptance mode and shift the mode to the normal mode (FIG. 4D). Since the terminal device 100 operates in the normal mode, the user can continue to use the terminal device 100 as usual.

  FIG. 5 is a diagram illustrating an operation for canceling the authentication acceptance mode by the user. For example, if the control unit 201 detects a collision after detecting a fall, the control unit 201 continues the authentication reception mode (FIG. 5A). However, if the touch panel 101 of the terminal device 100 has not failed as a result of the collision, the authentication acceptance mode may be canceled. Therefore, when two predetermined actions are input to the touch panel 101 in succession by the user within a predetermined time (FIGS. 5B and 5C), the control unit 201 cancels the authentication acceptance mode and performs the normal mode. It may return to (Fig. 5 (d)). Since the terminal device 100 operates in the normal mode, the user can continue to use the terminal device 100 as usual.

  FIG. 6 is a diagram illustrating, for example, execution of a notification for prompting the user to retrieve data when entering the authentication acceptance mode. For example, when the battery of the terminal device 100 runs out, the terminal device 100 cannot notify the user that data can be extracted. Therefore, it is desirable that the terminal device 100 prompts the user to retrieve data before the battery runs out. Therefore, when entering the authentication acceptance mode, the control unit 201 of the terminal device 100 may output a notification indicating that the authentication acceptance mode has been entered. For example, the control unit 201 turns on an LED (light emitting diode), vibrates the terminal device 100, or sends a message to another terminal registered in advance by mail or SMS. Or a voice notification from a speaker. Note that SMS is an abbreviation for short message service. As a result, the user can know that the terminal device 100 is in the authentication acceptance mode and that data can be extracted from the terminal device 100 by performing authentication.

  FIG. 7 is a diagram illustrating a rescue mode transition process according to the embodiment. For example, when activated, the control unit 201 of the terminal device 100 may start the rescue mode transition process of FIG.

  In step S <b> 701, the control unit 201 of the terminal device 100 starts detecting a fall. For example, the control unit 201 may monitor the acceleration detected by the sensor 205 and detect the fall. In step S702, the control unit 201 determines whether a drop has been detected. If no drop is detected (No in S702), the flow repeats the process in S702. On the other hand, when a fall is detected (S702 is Yes), the flow proceeds to S703.

  In step S703, the control unit 201 shifts the terminal device 100 to the authentication acceptance mode. For example, in the authentication reception mode, the control unit 201 may display a release button for canceling the authentication reception mode on the display screen or activate the NFC communication device.

  In step S704, the control unit 201 determines whether the touch panel 101 has failed. For example, the control unit 201 may determine that the touch panel 101 has failed when detecting a change in a predetermined acceleration corresponding to the occurrence of a collision within a predetermined period after detecting a fall. For example, when a collision occurs, the acceleration indicates a change (vibration: having a constant amplitude and period) according to the velocity and the target to be collided, so that the collision can be detected from the change in acceleration. If it is determined in S704 that no collision has been detected for a predetermined period or longer and the touch panel 101 has not failed (No in S704), the flow proceeds to S714. In step S714, the control unit 201 cancels the authentication acceptance mode, and the flow returns to step S702. In this case, for example, the control unit 201 may stop the NFC communication device activated in S703. On the other hand, when a collision is detected in S704 and it is determined that the touch panel 101 is out of order (S704 is Yes), the flow proceeds to S705.

  In step S <b> 705, the control unit 201 determines whether a release instruction is input by the user within a predetermined time. For example, the user can input an instruction to cancel the authentication acceptance mode by operating a cancel button or the like displayed on the display screen of the touch panel 101 in S703. If a cancellation instruction is input by the user within a predetermined time (Yes in S705), the flow proceeds to S714, the control unit 201 cancels the authentication acceptance mode, and the flow returns to S702. In this case, for example, the control unit 201 may stop the NFC communication device activated in S703. On the other hand, when the cancellation instruction is not input within the predetermined time (No in S705), the flow proceeds to S706.

  In step S <b> 706, the control unit 201 outputs a notification indicating that the authentication acceptance mode has been entered. For example, the control unit 201 may perform notification by turning on an LED included in the terminal device 100 or vibrating the terminal device 100 by a vibration operation. Further, the control unit 201 may perform notification by transmitting a message to another terminal of the user by e-mail or SMS, or outputting a voice indicating that the speaker has shifted to the authentication acceptance mode.

  In step S707, the control unit 201 activates an authentication application that performs authentication using an NFC communication device, sets NFC P2P (peer-to-peer) to be valid, and waits for an NFC communication connection. In step S708, the control unit 201 determines whether authentication information has been input in NFC P2P communication. When the authentication information is not input (S708 is No), the flow repeats the process of S708. On the other hand, when the authentication information is input (S708: Yes), the flow proceeds to S709.

  In step S <b> 709, the control unit 201 performs authentication by comparing authentication information input by NFC P2P communication with authentication information stored in the storage unit 202, and determines whether authentication is successful. For example, the control unit 201 may perform authentication by collating an account or passcode set in advance in the terminal device 100 with authentication information such as an account or passcode input from another terminal device. Further details of authentication by NFC communication will be described later with reference to FIG. If the authentication has failed (No in S709), the flow proceeds to S712.

  In step S712, the control unit 201 determines whether the number of authentication failures has reached a predetermined specified number. If the number of authentication failures has not reached the specified number (No in S712), the flow returns to S708 and repeats the process. On the other hand, if the number of authentication failures has reached the specified number (Yes in S712), there is a possibility that unauthorized access has been attempted by another person, so the flow proceeds to S713, and the control unit 201 sets the authentication acceptance mode. The operation flow is terminated. When canceling the authentication acceptance mode, the control unit 201 may end the authentication application, set the P2P setting of NFC communication to OFF (OFF), and stop the NFC communication device, for example.

  If the authentication is successful in S709 (Yes in S709), the flow proceeds to S710. In step S710, the control unit 201 shifts the terminal device 100 to the rescue mode. For example, the control unit 201 releases the security lock of the terminal device 100. Accordingly, for example, it is possible to connect to another terminal by USB connection or the like without inputting a passcode or the like, and to read data in the storage unit 202 from another terminal. The control unit 201 may turn on the debug mode of the terminal device 100. For example, the debug mode may be a mode in which a debug operation to the terminal device 100 from another terminal connected to the terminal device 100 is permitted. For example, the control unit 201 activates the Bluetooth communication device with the Bluetooth setting of the terminal device 100 enabled, and enables transmission / reception of data by Bluetooth communication.

  In step S711, the control unit 201 waits for a communication connection from another terminal, and transmits the data in the storage unit 202 to another terminal when the communication connection is established. For example, the control unit 201 may transmit data via an NCF communication connection established with another terminal. Alternatively, the control unit 201 performs Bluetooth pairing, Wi-Fi connection setting, etc. via an NCF communication connection established with another terminal, and then connects to another terminal via Bluetooth or Wi-Fi connection. The data stored in the storage unit 202 may be transmitted. Thereafter, the operation flow may end.

  FIG. 8 is a sequence diagram illustrating the flow of data transfer executed in S707 to S711 of the operation flow of FIG. For example, when detecting a failure of the touch panel 101 of the terminal device 100, the control unit 201 of the terminal device 100 shifts to the authentication reception mode and starts the authentication application, and uses the authentication application via short-range wireless communication such as NFC. Perform authentication.

  First, the control unit 201 establishes an NFC communication connection with another terminal (S801). Subsequently, for example, the user operates another terminal, and transmits a request to start authentication processing from another terminal to the terminal device 100 (S802).

  Upon receiving a start request from another terminal, the control unit 201 of the terminal device 100 requests another terminal to input authentication information (S803). When another terminal receives the request for inputting authentication information, the other terminal transmits the authentication information to the terminal device 100 (S804). Note that the authentication information may be, for example, a passcode or account information regarding a specific service. The account information related to a specific service may be account information such as a Google account provided by Google (registered trademark) or an Apple ID provided by Apple (registered trademark). Since these accounts are linked to the user, they can be used for user identification.

  When receiving the authentication information from another terminal, the control unit 201 of the terminal device 100 performs authentication by confirming whether the received authentication information matches the authentication information stored in the storage unit 202. For example, the control unit 201 may determine that the authentication is successful when the authentication information matches, and may determine that the authentication fails if the authentication information is different. Then, when the authentication is successful, the control unit 201 of the terminal device 100 notifies the authentication completion notification to another terminal (S805). If the authentication is successful, the control unit 201 may release the security lock of the terminal device 100 and transmit the data stored in the storage unit 202 to another terminal (S806). Note that the data to be transmitted may be determined in advance. In another embodiment, the control unit 201 accepts designation of data to be transmitted from another terminal, and is designated as the data to be transmitted. May be executed.

  As described above, for example, when the failure of the touch panel 101 is detected, the control unit 201 of the terminal device 100 shifts to the rescue mode, releases the security lock, and enables data transmission. Therefore, when the touch panel 101 of the terminal device 100 fails, the data stored in the storage unit 202 of the terminal device 100 can be accessed without operating the touch panel 101. In addition, since the security lock is released after performing authentication through NFC connection, security can be maintained. Furthermore, when NFC P2P communication is used for authentication, NFC P2P communication can be performed without a user entering connection settings. For example, settings for communication connection such as pairing in Bluetooth are input. Without it, the user can perform authentication.

  In the above-described embodiment, when the fall is detected, the NFC communication device is activated before the collision is detected (for example, S703). Therefore, even if a partial failure occurs in the terminal device 100 due to a subsequent collision, the possibility that the NFC communication device can be used increases.

  In the above-described embodiment, when no collision is detected after the fall is detected (for example, S704 is No), the authentication acceptance mode is canceled (for example, S714). This is because, for example, when no collision is detected, the touch panel 101 is unlikely to be broken. Thereby, since cancellation | release of authentication reception mode is cancelled | released, the user can continue utilization of the terminal device 100 in normal mode.

  In addition, the touch panel 101 may not be broken even when a collision is detected after the fall is detected. Therefore, in the above-described embodiment, a cancellation instruction from the user is received and the authentication reception mode is canceled (Yes in S705). Thereby, since cancellation | release of authentication reception mode is cancelled | released, the user can continue utilization of the terminal device 100 in normal mode.

  In the above-described embodiment, a notification indicating that the mode has been shifted to the authentication acceptance mode is output (S706). Therefore, the user can know that the terminal device 100 is in the authentication acceptance mode, and that data can be extracted from the terminal device 100 by performing authentication. In addition, by performing the notification, it is possible to prevent the terminal device 100 from running out of battery before the user recognizes that the terminal device 100 has shifted to the authentication acceptance mode.

  As another countermeasure, for example, it is conceivable to automatically back up data stored in the storage unit 202 when a fall is detected. However, if the capacity of data to be backed up is large, data transfer and data storage take time, and there is a possibility that the backup will not be in time until a collision is detected. However, according to the above-described embodiment, the data in the storage unit 202 can be accessed from another terminal, so that the user can extract desired data even after the failure of the display device.

  Note that the control unit 201 may operate as the activation unit 211, for example, in the processing of S701 to S705, S707, and S714 in FIG. In the processing of S708 to S710, the control unit 201 may operate as the permission unit 212, for example. In the process of S706, the control unit 201 may operate as the output unit 213, for example.

  FIG. 9 is a diagram illustrating an external output process of the display screen in the rescue mode. When the control unit 201 of the terminal device 100 shifts to the rescue mode, the function of outputting the display screen to the outside may be validated. As shown in FIG. 9, the display screen of the touch panel 101 of the terminal device 100 is broken. In this case, for example, when shifting to the rescue mode, the control unit 201 may release the security lock and turn on the Wi-Fi communication setting and the screen data output setting by Miracast (registered trademark). Thereby, it is possible to output screen data by Miracast to an external display device. Further, the user can input an operation to the terminal device 100 through an external display device.

  In the above, although embodiment was illustrated, embodiment is not limited to this. For example, the above-described operation flow is an example, and the embodiment is not limited to this. If possible, the operation flow may be executed by changing the order of processing, may include additional processing, or some processing may be omitted.

  In the above-described embodiment, the touch panel 101 is described as an example of the display device, but the embodiment is not limited to this. For example, instead of the touch panel 101, the embodiment may be applied to a failure of a display device of a terminal device in which an input device such as a key or button and a display device such as a liquid crystal display that outputs an image are separately provided. Can do.

  In the above-described embodiment, an example of performing authentication using NFC as an example of short-range wireless communication used for authentication has been described. However, the embodiment is not limited to this, and other communication standards are used for authentication. May be used.

  FIG. 10 is a diagram illustrating an example of a hardware configuration for realizing the terminal device 100. The terminal device 100 may be a device such as a smartphone, a tablet terminal, a personal computer, and a notebook PC. The terminal device 100 includes a processor 1001, a memory 1002, an acceleration sensor 1003, a touch panel 101, a Bluetooth communication device 1005, and an NFC communication device 1006.

  The memory may include, for example, RAM and ROM. RAM is an abbreviation for Random Access Memory. ROM is an abbreviation for Read Only Memory. For example, the memory 1002 is an example of the storage unit 202 described above. For example, the processor 1001 may operate as the control unit 201, the activation unit 211, the permission unit 212, the output unit 213, and the like by reading and executing the read control program in the memory 1002.

  The acceleration sensor 1003 detects acceleration, for example. The acceleration sensor 1003 is an example of the sensor 205 described above. The touch panel 101 displays an image on the display screen and accepts input from the user.

  The Bluetooth communication device 1005 converts, for example, an electric signal and a radio signal in accordance with a Bluetooth communication standard, and communicates with another terminal via an antenna in accordance with an instruction from the processor 1001. For example, the NFC communication device 1006 performs conversion between an electric signal and a radio signal in accordance with the NFC communication standard, and communicates by connecting to another terminal via an antenna in accordance with an instruction from the processor 1001. The Bluetooth communication device 1005 and the NFC communication device 1006 are examples of the communication unit 203 described above, for example. The terminal device 100 may further include other devices such as a cellular communication device for connecting to a cellular communication network.

  Further, the hardware configuration of the terminal device 100 is not limited to that shown in FIG. 10, and changes such as addition, replacement, and deletion may be made as appropriate. For example, the terminal device 100 may include a portable recording medium driving device that drives a portable recording medium in addition to the configuration shown in FIG. The portable recording medium may be, for example, an SD card, a microSD card, or the like.

Moreover, each program which concerns on embodiment may be provided to the terminal device 100 with the following form, for example.
(1) Installed in advance in the memory 1002.
(2) Provided by a portable recording medium.
(3) Provided from the server via the network.

  Further, the hardware configuration of the terminal device 100 described with reference to FIG. 10 is an exemplification, and the embodiment is not limited to this. For example, in another embodiment, part or all of the functions of the control unit 201 of the terminal device 100 described above may be implemented as hardware such as FPGA and SoC. Note that FPGA is an abbreviation for Field Programmable Gate Array. SoC is an abbreviation for System-on-a-chip.

  In addition, some embodiments, including the above-described embodiments, will be understood by those skilled in the art as including various modifications and alternatives of the above-described embodiments. For example, various embodiments may be embodied by modifying components. Various embodiments may be implemented by appropriately combining a plurality of components disclosed in the above-described embodiments. Further, various embodiments may be implemented by deleting or replacing some components from all the components shown in the embodiments, or adding some components to the components shown in the embodiments. May be.

DESCRIPTION OF SYMBOLS 100 Terminal device 101 Touch panel 201 Control part 202 Storage part 203 Communication part 205 Sensor 211 Starting part 212 Authorization part 213 Output part 1001 Processor 1002 Memory 1003 Acceleration sensor 1005 Bluetooth communication apparatus 1006 NFC communication apparatus

Claims (5)

An activation unit that activates an application for executing authentication in short-range wireless communication using a communication device when it is determined that the display device is malfunctioning based on the acceleration detected using the acceleration sensor;
When the authentication is executed by the short-range wireless communication using another terminal and the communication device by the application, and the authentication is successful, the security lock is released and the data stored in the storage unit is transferred from the other terminal. A permission section that allows access;
A terminal device.   The terminal device according to claim 1, wherein the activation unit activates the communication device when a fall is detected based on an acceleration detected using the acceleration sensor.   When the activation unit detects a collision based on the acceleration detected using the acceleration sensor within a predetermined period after the detection of the fall, the activation unit determines that the display device is malfunctioning, and When no collision is detected based on acceleration detected using the acceleration sensor within a predetermined period after detection, it is determined that the display device has not failed, and the communication device is stopped. The terminal device according to claim 2.   4. The terminal device according to claim 1, further comprising an output unit that outputs a notification indicating that it is in an authentication standby state when the activation unit activates the application. 5. If it is determined that the display device is malfunctioning based on the acceleration detected using the acceleration sensor, an application for executing authentication in near field communication using the communication device is started,
When the authentication is executed by the short-range wireless communication using another terminal and the communication device by the application, and the authentication is successful, the security lock is released and the data stored in the storage unit is transferred from the other terminal. Allow access,
A read control program for causing a terminal device to execute processing.

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