JP2007019747A - Portable terminal device, radio communication unit, and authentication control method and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable terminal device with excellent handleability, for which respective functions can be used matched with actual using conditions, a radio communication unit, an authentication control method, and an authentication control program. <P>SOLUTION: The portable terminal device 100 comprises a key unit connection detection part 134 for detecting that a key unit 200 is connected, and a control part 131 for performing equipment function limiting processing for canceling the use limit of equipment when authentication is established, turning off the power supply of the transmitter-receiver 142 of a radio authentication part 140 when the connection of the key unit 200 is detected and performing the control of canceling the use limit of the equipment. A radio authentication operation is stopped when it is detected that the portable terminal device 100 is connected on the side of the key unit 200 as well. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mobile terminal device such as a mobile phone that performs wireless authentication by transmitting and receiving wireless signals to and from a wireless communication unit, a wireless communication unit, an authentication control method, and an authentication control program.

  Conventionally, use restriction functions have been added to mobile phones as a measure for preventing unauthorized use by persons other than the owner due to theft or the like. In general, the use restriction function enables a call by releasing the use restriction by an ID by the owner, that is, a personal identification number. The use restriction by the personal identification number and the cancellation thereof require an operation with the keyboard, and the restriction and the release operation are required every time a call is made. If the use restriction is not performed after the call, there is a possibility that the call is made without limitation when the mobile phone is stolen.

Patent Document 1 discloses that when a device such as a mobile phone leaves the owner or the user due to misplacement or theft, the device itself becomes unusable, and the use restriction of the device warns that the device has been separated by a certain distance or more. An apparatus is disclosed.
FIG. 14 is a diagram for explaining a use restriction method for restricting use of a mobile terminal device using wireless authentication communication.

  As shown in FIG. 14, when the mobile terminal device 10 such as a mobile phone is separated from the user 1 and deviates from the authentication distance, the mobile terminal device 10 is disabled and the wireless communication unit (hereinafter referred to as a key) possessed by the user 1 is disabled. (Called unit) 20 sounds a misplacement alarm. Specifically, in a system that performs wireless authentication by receiving a wireless signal between the key unit 20 and the use restriction releasing unit in the mobile terminal device 10, each unit detects that the reception level is below a certain value. Then, the use restriction release unit stops sending the use restriction release signal, thereby restricting the use of the mobile terminal device 10, and the key unit 20 issues an alarm signal. Thereby, misplacement and theft can be prevented.

  FIG. 15 is a block diagram for realizing the method of restricting use of the mobile terminal device of FIG.

  In FIG. 15, the mobile terminal device 10 such as a mobile phone / PHS (Personal Handy-Phone System), PDA (Personal Digital Assistants), notebook PC, MP3 player, HDD player, etc., and the mobile terminal device 10 communicate with each other (polling). ), A key unit 20 that automatically locks the mobile terminal device 10 and sounds an alarm when the distance is more than a certain distance, and includes wireless authentication units 11 and 21 for performing wireless authentication with each other. The key unit 20 is driven by a battery 22.

  The wireless authentication unit 21 of the key unit 20 and the wireless authentication unit 11 of the mobile terminal device 10 perform authentication using wireless communication. The wireless authentication unit 21 of the key unit 20 and the wireless authentication unit 11 of the mobile terminal device 10 perform authentication at all times by grasping that they have a previously associated ID and are paired with each other by wireless communication.

  FIG. 16 is a control sequence diagram illustrating an operation of wireless authentication between the mobile terminal device 10 and the key unit 20.

  As shown in FIG. 16, the key unit 20 periodically transmits a search signal. The mobile terminal device 10 that has received the search signal collates the ID of the key unit 20 included in the search signal with the ID of the self (mobile terminal device 10), and responds if the ID is a combination registered in advance. Returns a signal. The key unit 20 also collates the ID of the mobile terminal device included in the response signal with the ID of the self (key unit 20). After confirming each other, the data (authentication signal 1) obtained by encrypting the random number is sent from the key unit 20, and the mobile terminal device 10 sends the data (authentication signal 1 ′) obtained by decrypting the data. Do.

  While the portable terminal device 10 and the key unit 20 are mutually authenticated, the portable terminal device 10 can be operated without any problem. When the authentication is not normally performed, the operation of the mobile terminal device 10 is restricted, and the key unit 20 issues an alarm.

FIG. 17 is a diagram illustrating a combination of the mobile terminal device 10 and the key unit 20. The key unit 20 is schematically shown in the shape of a key (key). As shown in FIG. 17A, the mobile terminal device 10 can be applied to a PDA shown in FIG. 17B, a notebook PC shown in FIG.
Japanese Patent Laid-Open No. 11-88499

  However, in such a portable terminal device that performs conventional wireless authentication, for users who are not worried about theft or misplacement (no wireless authentication is required), the key unit is always carried around, It is troublesome that a mobile terminal cannot be used without it. For example, even when only the person himself / herself uses the corresponding mobile phone at home, such as when the person himself / herself uses it, it cannot be used unless the key unit is nearby. Using a mobile phone when the key unit is stored in clothes or a bag and the clothes or bag is in a separate room can occur frequently on a daily basis. It is very annoying to be unusable or unusable, which greatly impairs the user's usability. In addition, there are cases where only a mobile phone is carried and used in a sanitary room or a veranda, and the same problem can be considered.

  The present invention has been made in view of the above points, and is capable of using each function in accordance with the actual situation of use, and is an easy-to-use portable terminal device, wireless communication unit, authentication control method, and authentication control program. Another purpose is to provide.

  A portable terminal device according to the present invention includes a wireless authentication unit that performs wireless authentication by transmitting and receiving a wireless signal to and from a wireless communication unit, and a device function restriction unit that releases a device use restriction when authentication is established by the wireless authentication unit. And a connection detecting means for detecting that the wireless communication unit is connected, and a control means for releasing the device use restriction by the device function restricting means when the connection of the wireless communication unit is detected. Take.

  The portable terminal device according to the present invention adopts a configuration including a mounting unit that detachably mounts the wireless communication unit in a portable terminal device that performs wireless authentication by transmitting and receiving wireless signals to and from the wireless communication unit.

  The wireless communication unit of the present invention is a wireless communication unit comprising wireless authentication means for performing wireless authentication by transmitting and receiving wireless signals to and from a communication terminal apparatus, and a connection detection means for detecting connection to the communication terminal apparatus And a control means for stopping a wireless authentication operation by the wireless authentication means when a connection to the communication terminal device is detected.

  An authentication control method of the present invention includes a step of performing wireless authentication by transmitting / receiving a wireless signal to / from a wireless communication unit, a step of releasing use restriction of a device when authentication is established, and the wireless communication unit connected And detecting the connection of the wireless communication unit and releasing the use restriction of the device.

  From another point of view, the present invention includes a step of performing wireless authentication by transmitting / receiving a wireless signal to / from a wireless communication unit, a step of releasing the use restriction of the device when authentication is established, and the wireless communication unit includes: A program for causing a computer to execute a step of detecting connection and a step of releasing a restriction on use of a device when connection of the wireless communication unit is detected.

  According to the present invention, each function can be used in accordance with the actual situation of the usage situation, and usability of the mobile terminal device can be improved.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

(Embodiment 1)
1 to 3 are views showing the external appearance of a mobile terminal device and a wireless communication unit according to Embodiment 1 of the present invention. This embodiment is an example in which a mobile phone / PHS (Personal Handy-Phone System) is applied to a mobile terminal device.

  In FIG. 1, 100 is a mobile phone (mobile terminal device) that performs wireless authentication, and 200 is a key unit (wireless communication unit) that performs bidirectional wireless communication with the mobile terminal device 100 for authentication.

  A mobile phone (mobile terminal device) 100 includes an antenna 101, an LCD display unit 102, a key input unit 103, a terminal built-in speaker 104 for receiving a voice, a microphone 105, and a key unit storage unit 106. Note that the key unit 200 and an antenna for performing wireless authentication are not shown, and will be described later with reference to FIG.

  The LCD display unit 102 includes a dot matrix configuration LCD display, a backlight PDP, EL, and drivers. The LCD display unit 102 displays various screens for the telephone function, icons indicating the operation state of the telephone function, and the like.

  The key input unit 103 is a telephone function key for performing incoming call, outgoing call, telephone function switching, operation determination, etc., a mode key for switching various functions, a cursor key for moving a selection object in the vertical and horizontal directions, a dial for dialing a telephone number, etc. Provide a key.

  The key unit storage unit 106 is a storage unit that allows the key unit 200 to be attached to and detached from the main body 100a. The key unit 200 is attached to the main body 100a by sliding the rectangular key unit 200 into the guide port. When the key unit 200 is attached to the key unit storage unit 106, it can be carried together with the mobile phone body 100a. An electrical / physical connection portion (not shown) is provided in the inside of the key unit housing portion 106 and the end face of the key unit 200 to detect attachment / detachment, and the key unit 200 is provided in the key unit housing portion 106. When properly attached, attachment / detachment can be detected by contact between the connecting portions. In the present embodiment, mutual connection is detected by electrical contact terminals.

  The key unit 200 is configured by a communication module that performs bidirectional wireless communication with low power consumption using, for example, a weak wireless frequency band of 300 MHz band. The shape of the key unit 200 is arbitrary, such as a key shape or a shape imitating a specific character, but can be attached to the key unit storage unit 106. In the present embodiment, the key unit 200 is a rectangular parallelepiped and can be completely stored in the mobile phone body 100a. Further, the key unit 200 may be a memory card such as a miniSD card that is integrated with a wireless authentication function.

  2 and 3 are diagrams showing another example of mounting the key unit. In FIG. 2, 110 is a mobile phone (mobile terminal device) that performs wireless authentication, and 210 is a key unit that performs bidirectional wireless communication with the mobile terminal device 110 for authentication. As shown in FIG. 2A, the key unit 210 has a cap shape that can be attached to the antenna 111 of the mobile terminal device 110. The wireless authentication function of the key unit 210 is the same as that of the key unit 200 of FIG. The key unit 210 can be integrated with the main body by covering the antenna 111 of the portable terminal device 110 as shown in FIG. In addition, the cap-shaped inner surface of the key unit 210 and the antenna 111 are provided with an electrical / physical connection portion for detecting both attachment and detachment, and the key unit 200 is appropriately attached to the key unit storage portion 106. And attachment / detachment can be detected by contact between the connecting portions. According to this configuration, since the key unit 210 is covered with the antenna 111 that is present in the main body in advance as the protruding portion, there is no need to newly provide the key unit housing portion 106 as shown in FIG. Therefore, it is easy to implement, and can be applied to a general purpose such as a mobile phone, and has an advantage of a high degree of freedom in designing the main body.

  In FIG. 3, reference numeral 120 denotes a mobile phone (mobile terminal device) that performs wireless authentication, and 220 denotes a key unit that performs bidirectional wireless communication with the mobile terminal device 120 for authentication. The mobile terminal device 120 of FIG. 3 is an application example to a mobile phone, but can be widely used for a rectangular parallelepiped mobile terminal device such as a PDA. As shown in FIG. 3B, the key unit 220 has a curved flange 220a, and the flange 220a has flexibility. As shown in FIG. 3A, the key unit 220 can be mounted by sandwiching the collar portion 220 a in the main body 120 a (here, the main body back surface 120 b) of the mobile terminal device 120. The wireless authentication function of the key unit 220 is the same as that of the key unit 200 of FIG. By attaching the key unit 220 to the main body back surface 120b of the portable terminal device 120, both can be integrated. In addition, the inner surface of the key unit 220 and the mounting surface of the main body back surface 120b are provided with electrical / physical connection parts for both detection of attachment / detachment, and when the key unit 220 is properly mounted, the connection parts are connected to each other. The attachment / detachment can be detected by the contact.

  By the way, the portable terminal device 120 and the key unit 220 should originally be carried separately, and by carrying them separately, effects such as misplacement and theft prevention by wireless authentication can be obtained. For this reason, if the key unit 220 is still attached to the mobile terminal device 120, the effect of the wireless authentication cannot be obtained. Therefore, in order to call attention to the user, a message such as “Please remove from the mobile phone and carry it separately when using” is displayed on the surface of the key unit 220. A message is attached to the key units 200 and 210 shown in FIGS. 1 and 2 by a stamp or a seal from the same viewpoint.

  FIG. 4 is a block diagram showing a configuration of a mobile terminal device using the authentication control method according to Embodiment 1 of the present invention. A case where the present invention is applied to the mobile phone 100 and the key unit 200 of FIG. 1 is taken as an example.

  In FIG. 4, a mobile phone (mobile terminal device) 100 includes a mobile phone function unit 130, a key unit 200, a wireless authentication unit 140 that performs wireless authentication, and a power supply unit 150 that supplies predetermined power to each unit. The

  The cellular phone function unit 130 includes a CPU and the like, and controls the use of the control unit 131, the antenna 101, the LCD display unit 102, the key input unit 103, the terminal built-in speaker 104, the microphone 105, and the wireless authentication unit 140. A use restriction release signal detection unit 132 that detects a release signal, a wireless authentication unit operation control signal output unit 133 that outputs a wireless authentication unit operation control signal, and a key unit connection detection unit 134 that detects connection with the key unit 200. Configured.

  The control unit 131 executes the portable terminal function specification restriction process based on the key unit connection detection by the key unit connection detection unit 134. The portable terminal function specification restriction process will be described later with reference to the flowchart of FIG. Since this embodiment is an example in which the mobile terminal device 100 is applied to a mobile phone, the communication function of the mobile phone body is shown, but the mobile terminal device 100 is a PDA, notebook PC, MP3 player, HDD player. In this case, this part becomes a main body function part of these portable devices.

  The wireless authentication unit 140 includes an antenna 141 for performing wireless communication with the key unit 200, a transceiver 142, a CPU, and the like, a control unit 143 that performs authentication processing, and a use restriction release that generates a use restriction release signal based on the authentication result A signal generation unit 144 and an operation control signal detection unit 145 that detects an operation control signal from the mobile phone function unit 130 are provided.

  The control unit 143 executes a wireless authentication process with the key unit 200 and also executes a continuation / stop process of the authentication operation based on the detection of the key unit connection from the operation control signal detection unit 145. The authentication operation continuation / stop processing will be described later with reference to the flowchart of FIG.

  On the other hand, the key unit 200 includes an antenna 231 for performing wireless communication with the wireless authentication unit 140 of the mobile terminal device 100, a transceiver 232, a CPU, and the like. Mobile terminal connection detection unit 234, alarm output unit 235, and power supply unit 236 that supplies power to each unit.

  The alarm output unit 235 is specifically an LCD display unit, an LED light emitting unit, a speaker, a vibrator, a voice synthesis output using a PCM codec, or the like.

  The transceiver 232 of the key unit 200 and the transceiver 142 of the mobile terminal device 100 are configured by a communication module that performs bidirectional wireless communication with low power consumption using, for example, a weak wireless frequency band of 300 MHz band.

  Hereinafter, an authentication control operation of the mobile terminal device configured as described above will be described.

  FIG. 5 is a flowchart showing the authentication operation stop process, which is executed by the control unit 131 of the mobile phone function unit 130 of the mobile terminal device 100. In the figure, S indicates each step of the flow.

  First, key unit connection detection monitoring by the key unit connection detection unit 134 is continued in step S1, and in step S2, whether the key unit 200 is in a connected state, that is, the key unit 200 is properly mounted in the key unit storage unit 106. Then, it is determined whether or not there is electrical contact between the connecting portions. If the key unit 200 is not connected to the mobile terminal device 100, it is determined that the mobile terminal device 100 and the key unit 200 are in normal use in which authentication operation is always performed, and the operation of the wireless authentication unit 140 is turned on in step S4. This process is terminated. Specifically, this processing is performed by outputting a control signal for continuing the wireless authentication unit operation from the wireless authentication unit operation control signal output unit 133 to the operation control signal detection unit 145 of the wireless authentication unit 140. In response to this, the authentication operation of the wireless authentication unit 140 is continued.

  When the key unit 200 is connected to the portable terminal device 100 in the above step S2, it is determined whether or not it is in an authenticated state based on the signal sent from the use restriction release signal generating unit 144 of the wireless authentication unit 140 in step S3. If it is in the non-authentication state (use restricted), the process of turning on the operation of the wireless authentication unit 140 is performed in step S4, and this flow is terminated. If it is in the authentication state (use restriction release) in step S3, it is determined that the wireless authentication operation can be turned off according to the intention of the user, and processing for turning off the operation of the wireless authentication unit 140 is performed in step S5. Specifically, this processing is performed by outputting a wireless authentication unit operation stop control signal from the wireless authentication unit operation control signal output unit 133 to the operation control signal detection unit 145 of the wireless authentication unit 140. In response to this, the authentication operation of the wireless authentication unit 140 is turned off. The operation of the wireless authentication unit 140 may be turned off when the operation of the entire wireless authentication unit 140 is turned off or when only the power supply to the transceiver 142 is turned off. In this embodiment, from the viewpoint of quick return to the authentication operation, turning off the power to the transmitter / receiver 142 is turning off the operation of the wireless authentication unit 140.

  Next, the use restriction is canceled in step S6. Thereby, the use restriction of the function of the portable terminal device 100 is eliminated as in the case where the wireless authentication is established. Here, each function as a mobile phone such as a call function can be used.

  Next, in step S6, the user is notified that the key unit 200 is connected to the main body, and this flow is finished. The portable terminal device 100 and the key unit 200 can obtain effects such as misplacement and theft prevention by wireless authentication by carrying them separately. However, if the key unit 200 remains attached to the portable terminal device 100, the wireless authentication is performed. The effect of can not be obtained. Therefore, a notification is made to alert the user. Unlike the warning in the case where authentication is not established, this notification is preferably a simple confirmation notification. For example, symbol mark display on the LCD display unit 102, LED lighting, a low volume confirmation sound, and the like.

  6 and 7 are diagrams illustrating an example of a display on the LCD display unit 102 of the mobile terminal device 100 when it is detected that the key unit 200 is connected.

  As shown in FIG. 6, when the key unit 200 is connected, the message 161 “Remove the key and carry it separately from the mobile phone on the display screen 160 of the LCD display unit 102. Please put it on. "Is displayed. This message 161 is displayed after the connection is detected until the user uses each function of the mobile phone. Moreover, you may display intermittently suitably.

  Further, as shown in FIG. 7, when the key unit 200 is detected and the authentication function is not working, the display screen 160 of the LCD display unit 102 indicates that the authentication function is not working. The mark 162 may be displayed as a pictograph. Since it is a pictogram display by a symbol mark, the display screen 160 is not occupied. For this reason, it is preferable to keep displaying that the authentication function is stopped during the period in which the key unit 200 is connected.

  Note that the above display is an example, and message display and pictographic display can be used together, or LED display, voice or sound notification can be performed.

  FIG. 8 is a flowchart showing authentication operation stop processing by the wireless authentication unit 140, and is executed by the control unit 143 of the wireless authentication unit 140 of the mobile terminal device 100.

  First, in step S11, an operation control signal is detected by the operation control signal detector 145, and in step S12, it is determined whether the wireless authentication unit 140 is on or off. As described above, if the key unit 200 is not connected to the portable terminal device 100, the wireless authentication unit operation control signal output unit 133 continues the wireless authentication unit operation to the operation control signal detection unit 145 of the wireless authentication unit 140. If it is a connection, a control signal for continuing the operation of the wireless authentication unit is output.

  If it is determined that the operation is on in step S12, the authentication operation is started by resuming / continuing energization of the transceiver 142 in step S13, and this flow is ended. If it is determined that the operation is off, step S14 is performed. By turning off the power to the transceiver 142, the authentication operation is stopped and this flow is finished.

Through the above processing, the authentication operation is continued / stopped on the portable terminal device 100 side by mounting / non-mounting of the key unit storage unit 106 of the key unit 200.
The unity reduces the security level but improves usability.

  The above is the authentication operation stop process on the mobile terminal device 100 side, but the same authentication operation stop process is also executed on the key unit 200 side.

  FIG. 9 is a flowchart showing the authentication operation stop process by the key unit 200, and is executed by the control unit 233 of the mobile terminal device key unit 200.

  First, in step S21, the portable terminal connection detection unit 234 detects the portable terminal connection, and in step S22, whether the key unit 200 is connected to the portable terminal device 100, that is, whether the key unit storage unit 106 is attached. Is determined.

  If it is not connected, the authentication operation is started by resuming / continuing energization of the transceiver 232 in step S24 and this flow is ended. If it is connected, the authentication state with the portable terminal device is determined in step S23. It is determined whether or not. If it is in the non-authentication state, it is determined that authentication with the connected mobile terminal device has not been established, and in step S24, the authentication operation is started by resuming / continuing energization of the transceiver 232, and this flow is ended. . If it is in the authentication state in step S23, the authentication operation is stopped by turning off the power to the transceiver 232 in step S25, and this flow ends.

  As a result of the above processing, on the key unit 200 side, the authentication operation is continued / stopped by the mounting / non-mounting of the key unit storage unit 106 of the key unit 200.

  As described above, according to the first embodiment, the mobile terminal device 100 includes the key unit connection detection unit 134 that detects that the key unit 200 is connected, and the device that releases the device use restriction when authentication is established. And a control unit 131 that performs function restriction processing and performs control to turn off the power supply to the transceiver 142 of the wireless authentication unit 140 and release the device use restriction when connection of the key unit 200 is detected. Yes. Similarly, when the key unit 200 detects that the portable terminal device 100 is connected, the wireless authentication operation is stopped. Since the authentication operation is stopped by attaching the key unit 200, the mobile terminal device 100 is used without carrying the key unit 200 for a user who does not have to worry about theft or misplacement (no wireless authentication is required). be able to. Although the portable terminal device 100 and the key unit 200 are integrated, the security level is lowered, but the usability can be dramatically improved. Moreover, whether or not to use such a usage method is determined by the user himself / herself, and a user-oriented usage method that matches the user's intention can be realized. Regarding security, the user himself / herself determines the selection of the method of use itself, and the security is maintained in this respect because it is assumed that the user does not use the method of use where security is not maintained.

  Further, when the mounting of the key unit 200 is detected, the power supply of the transceivers 142 and 232 is turned off, so that unnecessary radio waves for unnecessary authentication operations and power consumption associated therewith can be prevented. it can. In particular, the battery of the power supply unit 236 of the key unit 200 can be prevented from being consumed.

  Moreover, in this Embodiment, since there is no change in the use restriction cancellation unit which comprises the radio | wireless authentication part 140, there exists an effect which can implement | achieve a general-purpose unit and can be implement | achieved easily and at low cost.

  In addition, in the configuration in which the switch for simply turning off the authentication function is provided in the mobile terminal device, it takes time and effort for the user himself to make a setting, and even if the user does not have a key unit when using the authentication function, the setting can be restored. Although there is a drawback that it cannot be used, in this embodiment, it is only necessary to attach and detach the key unit 200 and the usability is far superior.

  Furthermore, in this embodiment, since the key unit storage unit 106 is provided in the mobile terminal device 100, the key unit 200 can be integrated with the mobile terminal device 100 if the key unit 200 is attached to the key unit storage unit 106. In addition, it is possible to realize the same usability as a conventional portable terminal device that does not include a wireless communication unit. For example, if the portable terminal device 100 is used with the key unit 200 attached at home, even if the family is unfamiliar with the handling of the wireless communication unit, it can be used in the same way as a conventional portable terminal device. Can do.

(Embodiment 2)
The second embodiment is an example in which key unit connection detection is performed by a wireless authentication unit.

  FIG. 10 is a block diagram showing a configuration of a mobile terminal device using the authentication control method according to Embodiment 2 of the present invention. The same components as those in FIG. 4 are denoted by the same reference numerals, and description of overlapping portions is omitted.

  In FIG. 10, a mobile phone (mobile terminal device) 100A includes a mobile phone function unit 170, a key unit 200, a wireless authentication unit 180 that performs wireless authentication, and a power supply unit 150 that supplies predetermined power to each unit. The

  The mobile phone function unit 170 is different from the mobile phone function unit 130 of FIG. 4 in that the wireless authentication unit operation control signal output unit 133 and the key unit connection detection unit 134 are removed, and the control unit 131 performs mobile terminal function control. The portable terminal function control process will be described later with reference to the flowchart of FIG.

  The wireless authentication unit 180 removes the operation control signal detection unit 145 from the wireless control unit 140 of FIG. 4 and provides a key unit connection detection unit 181. The control unit 143 executes wireless authentication and portable terminal function specification restriction processing. . The portable terminal function specification restriction process will be described later with reference to the flow of FIG.

  The key unit connection detection unit 181 has the same function as the key unit connection detection unit 134 of the mobile phone function unit 130 of FIG.

  The hardware configuration of the key unit 200 is the same as that of the first embodiment.

  Hereinafter, an authentication control operation of the mobile terminal device configured as described above will be described.

  FIG. 11 is a flowchart showing the authentication operation stop process, which is executed by the control unit 143 of the wireless authentication unit 180 of the mobile terminal device 100A.

  First, in step S31, the key unit connection detection unit 181 detects the connection of the key unit 200, and in step S32, whether the key unit 200 is connected to the mobile terminal device 100A, that is, whether it is attached to the key unit storage unit 106. Determine whether or not.

  If not connected, the authentication operation is started by resuming / continuing energization of the transceiver 142 in step S34, and it is determined whether or not wireless authentication is being performed in step S35. If authentication is in progress, a use restriction release signal is sent from the use restriction release signal generation unit 144 to the portable terminal control unit 170 in step S36, and this flow ends. If it is non-authenticated, the use restriction release signal is stopped in step S37 and this flow is finished. Thus, in the case of non-connection, the authentication operation is continued / resumed.

  If it is in the connected state in step S32, it is determined in step S33 whether or not it is in an authenticated state. If it is in the non-authenticated state, it is determined that authentication with the connected key unit has not been established, and in step S34 the transceiver The energization of 142 is continued and the authentication operation is continued. If it is in the authentication state in step S33, the transceiver 142 is turned off in step S38 to stop the authentication operation, and in step S39, the use restriction release signal generation unit 144 sends a use restriction release signal to the portable terminal control unit 170. To end this flow.

  With the above processing, on the mobile terminal device 100A side, the authentication operation is continued / stopped by mounting / non-mounting of the key unit storage unit 106 of the key unit 200.

  FIG. 12 is a flowchart showing the notification process when the authentication operation is stopped, and is executed by the control unit 131 of the mobile phone function unit 170 of the mobile terminal device 100A.

  First, in step S41, the use restriction release signal detection unit 132 detects the use restriction release signal sent from the wireless authentication unit 180, and in step S42, determines whether the use restriction release signal is on or off. When the use restriction release signal is on, it is determined that the main body function can be used despite the wireless authentication operation being turned off according to the user's intention, and the use restriction of the function is released in step S43, and in step S44. The user is informed that the key unit 200 is connected to the main body, and this flow is finished. This notification is a message display or pictographic display on the LCD display unit 102 as shown in FIGS. If the use restriction release signal is off in step S42, it is determined that the main body function is not in a usable state, the function use is restricted in step S45, and this flow is terminated.

  Further, the authentication operation stop process of the key unit 200 is the same as the flow of FIG.

  Thus, the present embodiment can obtain the same effects as those of the first embodiment.

  Moreover, in this Embodiment, since there is no change in the portable terminal control part 170, it is suitable for the case where the structure of a portable terminal device is not changed or cannot be changed.

  The above description is an illustration of a preferred embodiment of the present invention, and the scope of the present invention is not limited to this. For example, an example in which the present invention is applied to a mobile phone as a mobile terminal device has been described. However, the mobile terminal is not limited to a mobile phone, and a portable information terminal such as a PDA, a personal computer or a combined device thereof, and a portable device such as an MP3 player or an HDD player. Applicable to equipment.

  In each of the embodiments described above, the mobile terminal device and the communication terminal unit are examples applied to the mobile phone 100 and the key unit 200 in FIG. 1, but the mobile terminal devices 110 and 120 and the keys in FIGS. Needless to say, the same applies to the units 210 and 220.

  Further, the shapes of the key unit 200 and the key unit storage portion 106 in FIGS. 1 to 3 are examples, and any shape or mechanism may be used. For example, as shown in FIG. 13, a key unit 230 of a type in which a tag 230 a is hooked on the upper hook 100 c of the mobile terminal device 100 may be used. That is, any attachment method may be used as long as the wireless communication unit is connected to the mobile terminal device and can detect the connection.

  Further, in the present embodiment, the names of the mobile terminal device, the wireless communication unit, and the authentication control method are used. However, this is for convenience of explanation, and it may be a mobile phone, a device usage restriction device, a wireless authentication method, or the like. Of course it is good.

  Further, the types, numbers, connection methods, and the like of each circuit unit, for example, a wireless authentication unit, which constitute the mobile terminal device and the wireless communication unit are not limited to the above-described embodiments.

  Moreover, the portable terminal device, the wireless communication unit, and the authentication control method described above are also realized by a program for causing the portable terminal device, the wireless communication unit, and the authentication control method to function. This program is stored in a computer-readable recording medium.

  INDUSTRIAL APPLICABILITY The portable terminal device, the wireless communication unit, and the authentication control method according to the present invention are useful for applications such as a portable terminal device such as a mobile phone that performs wireless authentication by transmitting and receiving wireless signals to and from the wireless communication unit, and an authentication control system. is there. Further, the authentication control program can be incorporated into a mobile device such as a mobile phone.

The figure which shows the external appearance of the portable terminal device and radio | wireless communication unit which concern on Embodiment 1 of this invention. The figure which shows the external appearance of the portable terminal device which concerns on the said Embodiment 1, and a radio | wireless communication unit. The figure which shows the external appearance of the portable terminal device which concerns on the said Embodiment 1, and a radio | wireless communication unit. The block diagram which shows the structure of the portable terminal device which concerns on the said Embodiment 1. FIG. The flowchart which shows the authentication operation | movement stop process of the portable terminal device which concerns on the said Embodiment 1. The figure which shows an example of the display of the LCD display part of the portable terminal device which concerns on the said Embodiment 1. The figure which shows an example of the display of the LCD display part of the portable terminal device which concerns on the said Embodiment 1. The flowchart which shows the authentication operation | movement stop process by the radio | wireless authentication part of the portable terminal device which concerns on the said Embodiment 1. FIG. The flowchart which shows the authentication operation | movement stop process by the radio | wireless communication unit which concerns on the said Embodiment 1. The block diagram which shows the structure of the portable terminal device using the authentication control method which concerns on Embodiment 2 of this invention. The flowchart which shows the authentication operation | movement stop process of the portable terminal device which concerns on the said Embodiment 2. The flowchart which shows the alerting | reporting process at the time of the authentication operation stop of the portable terminal device which concerns on the said Embodiment 2. FIG. The figure which shows the external appearance of the portable terminal device which concerns on other embodiment, and a radio | wireless communication unit. The figure explaining the use restriction method which places a use restriction on a portable terminal device using wireless authentication communication The block diagram which implement | achieves the usage restriction method of the portable terminal device of FIG. Control sequence diagram showing operation of wireless authentication The figure which shows the combination of a portable terminal device and a wireless communication unit

Explanation of symbols

100, 100A, 110, 120 Mobile phone (mobile terminal device)
101, 111, 141, 231 Antenna 102 LCD display unit 103 Key input unit 104 Built-in speaker 105 Microphone 106 Key unit storage unit 130, 170 Mobile phone function unit 131, 143, 233 Control unit 132 Use restriction release signal detection unit 133 Wireless Authentication unit operation control signal output unit 134,181 Key unit connection detection unit 140,180 Wireless authentication unit 142,232 Transmitter / receiver 144 Use restriction release signal generation unit 145 Operation control signal detection unit 150,236 Power supply unit 200,210,220, 230 Key unit 234 Mobile terminal connection detection unit 235 Alarm output unit

Claims (12)

Wireless authentication means for performing wireless authentication by transmitting and receiving wireless signals to and from the wireless communication unit;
When the authentication by the wireless authentication means is established, device function restriction means for releasing the use restriction of the device,
Connection detecting means for detecting that the wireless communication unit is connected;
A mobile terminal device comprising: a control unit that cancels the device use restriction by the device function restriction unit when connection of the wireless communication unit is detected.   The portable terminal device according to claim 1, wherein the connection detection unit detects connection of the wireless communication unit by electrical or physical contact. A mounting portion for detachably mounting the wireless communication unit;
The portable terminal device according to claim 1, wherein the connection detection unit detects a connection of the wireless communication unit when the wireless communication unit is mounted on the mounting unit.   2. The control unit according to claim 1, wherein when the connection of the wireless communication unit is detected, the control unit performs control to release the device use restriction by the device function restriction unit regardless of whether the wireless authentication unit is authenticated or not. Mobile terminal device.   The portable terminal device according to claim 1, wherein the control unit stops a wireless authentication operation by the wireless authentication unit when connection of the wireless communication unit is detected.   6. The control unit according to claim 1, wherein when the connection of the wireless communication unit is detected, the control unit turns off the power supplied to the wireless authentication unit and stops the wireless authentication operation. The portable terminal device described. In a mobile terminal device that performs wireless authentication by transmitting and receiving wireless signals to and from a wireless communication unit,
A portable terminal device comprising a mounting portion for detachably mounting the wireless communication unit.   The portable terminal device according to claim 7, wherein the mounting unit is a storage unit that stores the wireless communication unit in a main body. A wireless communication unit comprising wireless authentication means for performing wireless authentication by transmitting and receiving wireless signals to and from a communication terminal device,
Connection detecting means for detecting connection to the communication terminal device;
A wireless communication unit comprising: a control unit that stops a wireless authentication operation by the wireless authentication unit when connection to the communication terminal device is detected.   The wireless communication unit according to claim 9, wherein when the connection to the communication terminal device is detected, the control unit turns off the power supplied to the wireless authentication unit and stops the wireless authentication operation. Performing wireless authentication by transmitting and receiving wireless signals to and from the wireless communication unit;
A step of releasing the device use restriction when the authentication is established;
Detecting that the wireless communication unit is connected;
An authentication control method comprising: releasing a use restriction of a device when connection of the wireless communication unit is detected. Performing wireless authentication by transmitting and receiving a wireless signal to and from the wireless communication unit; releasing the use restriction of the device when authentication is established; detecting that the wireless communication unit is connected; and A program for causing a computer to execute a step of releasing use restriction of a device when connection of a wireless communication unit is detected.

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