JP5499876B2 - Mobile device management system - Google Patents

Description

  The present invention relates to a mobile terminal management system that prevents unauthorized use of a mobile terminal.

  2. Description of the Related Art Conventionally, a wireless communication system disclosed in Patent Document 1 is known as a technology related to a mobile terminal management system that prevents unauthorized use of a mobile terminal. This wireless communication system is composed of one main communication device and a plurality of sub communication devices, and is configured such that communication is disabled when the distance between the two exceeds a predetermined value. When the user inputs an update information request or transmission request regarding personal information to the sub-communication device and the request is transmitted to the main communication device, the wireless data transmitted from the main communication device in response to the request is transmitted. When received by the sub-communication device, personal information according to the request is displayed on the display unit.

  The personal information received in this way is managed by the storage time management unit, and is deleted after a certain time. As a result, leakage of personal information to an unauthorized acquirer who has illegally acquired the sub communication device is suppressed. In addition, even if an unauthorized person illegally uses a sub-communication device, the sub-communication device cannot communicate with the main communication device if the sub-communication device is more than a predetermined distance from the main communication device. Is prevented.

JP 2008-219534 A

  By the way, when the wireless communication system described in Patent Document 1 is applied to a portable terminal having a payment function used at a convenience store or a station store, a range (management area) in which use is permitted is compared. It is difficult to limit the use to a relatively small store. On the other hand, when a transmission device with a narrow transmission range is used to simply narrow the management area, it becomes easy to make a blind spot in the transmission range even in a store, and since there is a portable terminal in this blind spot, If all functions are restricted, there is a problem that convenience is lowered. Also, in order to eliminate the blind spot in a relatively narrow management area, it is necessary to determine the installation position of the transmission device according to the in-store layout of the target store, and a management system for portable terminals can be easily installed Have difficulty.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to manage a mobile terminal that can prevent unauthorized use by restricting the execution of functions according to a predetermined management area. To provide a system.

In order to achieve the above object, in the mobile terminal management system according to claim 1 according to the claims, a transmission device that transmits a plurality of types of signals to a predetermined management area, and a response to the predetermined management area A mobile terminal management system including a mobile terminal whose function execution is restricted, wherein the mobile terminal is capable of detecting the plurality of types of signals from the transmission device, and detection by the detection means When the state is a first detection state in which a part of the plurality of types of signals is detected, execution of a predetermined function of all the functions in the mobile terminal is restricted, and the state is less than the first detection state. also and a limiting means for limiting the execution of all functions when the detected type is less second detection state of the signal, the transmission apparatus, a plurality of infrared signal transmission means capable of transmitting an infrared signal The infrared signal is transmitted from each of these infrared signal transmission units as the plurality of types of signals at different timings, and the limiting unit transmits the detection state by the detection unit from each of the infrared signal transmission units. Execution of the predetermined function is limited when the first infrared detection state in which a part of the infrared signal is detected, and the detection type of the signal is smaller than the first infrared detection state. characterized that you limit the execution of all functions when it is.

  According to a second aspect of the present invention, in the portable terminal management system according to the first aspect, importance is set for each of the plurality of functions constituting the all functions, and the predetermined functions are Of the functions, the function has a high importance.

  A third aspect of the present invention is the portable terminal management system according to the first or second aspect, wherein the portable terminal has a payment function, and one of the predetermined functions is the payment function. It is characterized by.

A fourth aspect of the present invention, in the management system of the mobile terminal according to any one of claims 1 to 3, wherein the portable terminal includes a display unit for displaying predetermined information, said detecting means, A light receiving surface for detecting the infrared signal is disposed on or near the outer surface on which the display unit is disposed.

According to a fifth aspect of the present invention, in the portable terminal management system according to any one of the first to fourth aspects, execution of the predetermined function or all functions of the portable terminal is restricted by the restriction means. And a notification means for notifying that effect.

Invention of Claim 6 is the management system of the portable terminal as described in any one of Claims 1-5 , When the said portable terminal restrict | limits execution of all the functions by the said restriction | limiting means, it will notify that. A warning means for warning the surroundings is provided.

  In the invention of claim 1, when the detection state by the detection unit is the first detection state in which a part of the plurality of types of signals transmitted by the transmission device is detected, Execution of a predetermined function is restricted. Further, in the portable terminal, when the detection state by the detection unit is the second detection state in which the detection type of the signal is smaller than that in the first detection state, the execution of all functions is limited by the limiting unit.

  As a result, since the detection state is the first detection state, the mobile terminal can detect only a part of the signal transmitted to the predetermined management area, for example, in the vicinity of the boundary of the predetermined management area. If it is determined that the mobile terminal is in a position where it is difficult to determine whether or not it is within the management area, execution of a predetermined function is restricted. Therefore, when the mobile terminal is outside the predetermined management area, the function that is surely restricted is set as the predetermined function, so that it is difficult to determine whether the mobile terminal is within the predetermined management area. Even in this case, it is possible to reliably limit only the execution of a desired function. In addition, even if execution of the predetermined function is restricted because the detection state is the first detection state as described above, execution of other functions different from the predetermined function is not restricted. Compared with the case where execution is restricted, it is possible to suppress a decrease in convenience.

Further, since the detection state is the second detection state, the position where the mobile terminal cannot detect the signal transmitted to the predetermined management area or the position where detection is difficult, that is, the mobile terminal is out of the predetermined management area. If it is determined that the mobile terminal is in the position, the execution of all functions is restricted, so that unauthorized use of the mobile terminal can be reliably prevented.
Therefore, unauthorized use of the mobile terminal can be prevented by restricting the execution of the function according to a predetermined management area.
In particular, the transmission device includes a plurality of infrared signal transmission means capable of transmitting infrared signals, and is configured to transmit infrared signals from the respective infrared signal transmission means at different timings as the plurality of types of signals. . Then, when the detection state by the detection means is the first infrared detection state in which a part of the infrared signals transmitted from the respective infrared signal transmission means is detected, the predetermined function is executed by the restriction means. When the second infrared detection state is limited, and the number of detected signals is smaller than that of the first infrared detection state, the execution of all functions is restricted by the restriction means.
Thereby, since the detection state is the first infrared detection state, a position where the mobile terminal can detect only a part of the infrared light emitted to the predetermined management area, for example, near the boundary of the predetermined management area, When it is determined that the mobile terminal is in a position where it is difficult to determine whether or not it is within the predetermined management area, it is possible to reliably limit only the execution of the predetermined function.
Further, since the detection state is the second infrared detection state, the mobile terminal cannot detect infrared light emitted from the predetermined management area or is difficult to detect, that is, the mobile terminal is out of the predetermined management area. If it is determined that the mobile terminal is located, execution of all functions is restricted, so that unauthorized use of the mobile terminal can be reliably prevented.
In particular, since the transmission device is configured by employing a plurality of infrared light emitting means without adopting a transmission means for transmitting other signals, the configuration of the apparatus can be simplified.

  In the invention of claim 2, importance is set for each of a plurality of functions constituting all functions, and the predetermined function is a function having a high importance among all functions. For this reason, when the detection state is the first detection state, execution of functions having high importance is restricted, so that security can be improved, and execution of other functions different from the predetermined function is restricted. Since this is not done, the decline in convenience can be suppressed.

  In the invention of claim 3, since one of the predetermined functions is a payment function, when the detection state is the first detection state, execution of the payment function is restricted, so that security is improved. Since the execution of other functions different from the predetermined function is not limited, it is possible to suppress a decrease in convenience.

According to a fourth aspect of the present invention, in the detection means, the light receiving surface for detecting the infrared signal is disposed on or near the outer surface on which the display unit is disposed. Usually, since the portable terminal is held or placed so that the display unit faces upward, the infrared signal on the light receiving surface is not easily blocked by the placement surface or the like, so detection of the infrared signal from the infrared signal transmitting means Accuracy can be improved.

In the invention of claim 5 , when the execution of the predetermined function or all the functions is restricted by the restriction means, the notification means for notifying the fact is provided, so that the user can use the predetermined portable terminal It is possible to easily grasp whether the execution of functions is restricted or the execution of all functions is restricted.

In the invention of claim 6 , when execution of all functions is restricted by the restricting means, warning means for warning the effect to the surroundings is provided. As a result, when the portable terminal is taken away from a predetermined management area, the execution of all functions is restricted by the restriction means and the warning is given to the surroundings by the warning means. Unauthorized use can be prevented more reliably.

It is explanatory drawing which shows the structure outline | summary of the management system of the portable terminal which concerns on 1st Embodiment. It is explanatory drawing which shows the relationship between a management area, all the function implementation possible ranges, and a partial function restriction | limiting range. It is a block diagram which shows the electric constitution of the portable terminal of FIG. 4A is a plan view of the mobile terminal in FIG. 1, and FIG. 4B is a side view of the mobile terminal in FIG. It is a flowchart which illustrates the flow of the restriction | limiting process in the control part of 1st Embodiment. It is explanatory drawing which shows the light-receiving state of each infrared-ray by a light-receiving surface. In 2nd Embodiment, it is a timing chart which shows the relationship between the transmission timing in each infrared signal transmitter, and the detection timing in a portable terminal. It is a flowchart which illustrates the flow of the restriction | limiting process in the control part of 2nd Embodiment. In 3rd Embodiment, it is a timing chart which shows the relationship between the transmission timing in an infrared signal transmitter, and the detection timing in a portable terminal. It is a flowchart which illustrates the flow of the control process in the control part of 3rd Embodiment.

[First Embodiment]
Hereinafter, a first embodiment of a portable terminal management system according to the present invention will be described with reference to the drawings. FIG. 1 is an explanatory diagram showing an outline of the configuration of a mobile terminal management system 10 according to the first embodiment. FIG. 2 is an explanatory diagram showing the relationship between the management area S1, the all function feasible range S2, and the partial function restriction range S3. FIG. 3 is a block diagram showing an electrical configuration of the mobile terminal 30 of FIG. 4A is a plan view of the mobile terminal 30 in FIG. 1, and FIG. 4B is a side view of the mobile terminal 30 in FIG.

  The mobile terminal management system 10 according to the first embodiment uses a limited area such as a convenience store shop or a station shop as a predetermined management area, and functions of the mobile terminals to be managed according to the management area It is a system that restricts the execution of or cancels the restriction. In the first embodiment, the management system 10 transmits a plurality of types of signals to the management area S1 when the inside of the store is a predetermined management area S1, as illustrated in FIG. The function restriction of the portable terminal 30 that is the management target is managed according to the signal transmitted from the transmission device 20.

  The transmitter 20 transmits four infrared signal transmitters 21 to 24 that transmit a predetermined infrared signal by emitting infrared rays, and a radio signal that transmits a predetermined radio signal as a transmitter that transmits the plurality of types of signals. And a transmitter 25. Each of the infrared signal transmitters 21 to 24 is provided at each of the four corners of the store, and as shown in FIG. 2, a transmission range that can detect each transmitted infrared signal (hereinafter also referred to as all-function executable range S2). Are arranged close to the management area S1.

  Further, the radio signal transmitter 25 is provided at a predetermined position in the store, and as shown in FIG. 2, a transmission range (hereinafter also referred to as a partial function restriction range S3) capable of detecting a radio signal is managed. It is arranged so as to include the area S1 and the entire function feasible range S2.

  Next, the portable terminal 30 that is a management target of the management system 10 will be described. The mobile terminal 30 mainly includes a reading function for optically reading an information code displayed on a product and including product information such as the price of the product, a settlement function for performing settlement related to purchase of the product, and the like. The mobile terminal 30 is configured to perform a payment process by performing non-contact communication (wireless communication) with a payment medium such as a cash card or a credit card as well as cash as the payment function. In the first embodiment, a non-contact type IC card C is employed as the settlement medium.

  As shown in FIG. 3, a control unit 32 that controls the entire mobile terminal 30 is provided in the housing 31 of the mobile terminal 30. The control unit 32 is configured mainly with a microcomputer, and includes a CPU, a system bus, an input / output interface, and the like, and can configure an information processing apparatus together with the memory 33 and has an information processing function. ing. The memory 33 is a semiconductor memory device, and corresponds to, for example, a RAM (DRAM, SRAM, etc.) or a ROM (EPROM, EEPROM, etc.), and a predetermined program that can execute reading processing and settlement processing, restriction processing described later, In addition, a system program capable of controlling each hardware is stored in advance.

  The control unit 32 is connected to a display unit 34, a key operation unit 35, a communication interface 36, and the like. The display unit 34 is configured to be controlled by the control unit 32, and operates in response to a command related to display processing or the like from the control unit 32. The key operation unit 35 is configured to give an operation signal to the control unit 32, and the control unit 32 receives the operation signal from these to perform an operation according to the content of the operation signal. ing.

  The communication interface 36 is configured as an interface for performing data communication with the outside (for example, a bank-side server or an external host device), and performs a communication process in cooperation with the control unit 32. Yes. In addition, a battery 37 and a power supply unit 38 serving as a power source are accommodated in the housing 31, and power is supplied to the control unit 32 and various electric components by these.

Further, the product information reading unit 40 and the IC card communication unit 50 are connected to the control unit 32, respectively.
The merchandise information reading unit 40 has a function of optically acquiring information on merchandise purchased by the purchaser, and an information code (for example, a one-dimensional code such as a barcode) attached to a reading target of the purchased merchandise. And an image recognition module 41 for reading a two-dimensional code). The image recognition module 41 includes an illumination light source, a light receiving sensor (not shown), etc., and irradiation light from the illumination light source is reflected by an information code (illustrated as bar code B in FIG. 3) and reflected light is read. When the light receiving sensor receives light through the port 31a, the light receiving signal corresponding to the reflected light is output from the light receiving sensor to the control unit 32. In the control unit 32, purchase information and the like of the purchased product are acquired based on this light reception signal.

  The IC card communication unit 50 includes an IC card reader control unit 51, an IC card reader communication unit 52, and an antenna 53. The IC card reader control unit 51 controls the IC card reader communication unit 52 to perform non-contact communication (radio communication) using an electromagnetic wave with the IC card C via the IC card reader communication unit 52 and the antenna 53. It functions to read payment related information relating to payment such as a card number stored in the IC card C.

  In addition, an infrared signal detection unit 61 and a wireless signal detection unit 62 are connected to the control unit 32. The infrared signal detector 61 is for detecting the infrared signal transmitted from each of the infrared signal transmitters 21 to 24, and the light receiving surface 61a thereof is as shown in FIGS. 4 (A) and 4 (B). Of the outer surface of the housing 31, the upper surface where the display unit 34 is disposed and the vicinity of the upper surface are disposed. The reason for arranging the light receiving surface 61a in this manner is that the mobile terminal 30 is normally held or placed so that the display unit 34 faces upward, and therefore the infrared rays on the light receiving surface 61a are blocked by the placement surface or the like. This is to make it harder to be done. The wireless signal detection unit 62 is for detecting a wireless signal transmitted from the wireless signal transmitter 25 and is disposed at a predetermined position in the housing 31.

The mobile terminal 30 configured as described above is subjected to a restriction process described later by the control unit 32, so that a predetermined predetermined amount is determined according to the management area S1 based on whether or not an infrared signal or a wireless signal is detected. The function or all functions are restricted and released.
Hereinafter, the limiting process by the control unit 32 in the first embodiment will be described with reference to the flowchart of FIG. FIG. 5 is a flowchart illustrating the flow of the restriction process in the control unit 32 of the first embodiment. FIG. 6 is an explanatory diagram showing a state in which each infrared ray is received by the light receiving surface 61a, FIG. 6A is a view of the mobile terminal 30 as viewed from the side, and FIG. 6B is a mobile terminal. It is the figure of the state which looked at 30 from the front.

  First, when the power is turned on, it is determined in step S101 in FIG. 5 whether or not a wireless signal is detected. Here, when the radio signal from the radio signal transmitter 25 is detected by the radio signal detector 62, it is determined that the mobile terminal 30 is within the partial function restriction range S3 shown in FIG. Thus, Yes is determined in step S101.

  Next, in step S103, it is determined whether an infrared signal is detected. Here, when the infrared signal detection unit 61 detects an infrared signal from at least one of the infrared signal transmitters 21 to 24, the portable terminal 30 has a full function feasible range S2 shown in FIG. It is judged that it is in, and it determines with Yes in step S103. In particular, as illustrated in FIGS. 6A and 6B, the infrared signal detection unit 61 has a light receiving surface 61 a on the outer surface of the housing 31 on the upper surface where the display unit 34 is disposed and in the vicinity of the upper surface. Since it is arranged, the infrared rays to the light receiving surface 61a are not easily blocked by the mounting surface or the like, and the detection accuracy of infrared rays from the infrared signal transmitters 21 to 24 can be improved.

  Subsequently, restriction release processing is performed in step S105. In this process, when a predetermined function or all functions are restricted as described later, the restriction is released, and a restriction release state in which all functions of the mobile terminal 30 can be executed is set.

  Thus, in the state where both the radio signal and the infrared signal are detected, it can be determined that the mobile terminal 30 is in the management area S1. For this reason, since it is not necessary to prevent unauthorized use, the portable terminal 30 is in a restriction release state and can execute all functions including a settlement function.

  In step S107, a restriction release state display process is performed. In this processing, the fact that the restriction is released, for example, a description such as “operation / payment processing is available” is displayed on a part of the display unit 34 and notified. Thereby, the user can easily grasp that the mobile terminal 30 to be used is in a restriction release state in which all functions can be executed. Then, the processing from step S101 is repeated.

  During the processing from step S101, since a wireless signal is detected, it is determined as No in step S103 since it is determined that the infrared signal is not detected after it is determined Yes in step S101. In step S109, the first restriction process is performed. In this process, the execution of the payment function described above is restricted, and the first restriction state in which another reading function or the like can be executed is entered.

  As described above, in a state where only the radio signal is detected without detecting the infrared signal, the mobile terminal 30 is located at a position where it is difficult to determine whether or not it is in the management area S1, for example, near the boundary of the management area S1. It can be judged. For this reason, even when the mobile terminal 30 is in a position where it is difficult to determine whether or not it is in the management area S1, it is possible to reliably limit only the execution of the settlement function. Further, even when the execution of the payment function is restricted as described above, the execution of other functions such as the reading function is not restricted, so that the convenience is reduced as compared with the case where the execution of all functions is restricted. Can be suppressed. Note that the state in which only the radio signal is detected without detecting the infrared signal can correspond to an example of the “first detection state” recited in the claims. In addition, the control unit 32 that performs the process of step S109 and step S113 described later can correspond to an example of a “limiter” described in the claims.

  In step S111, a first restriction state display process is performed. In this process, a message indicating that the state is the first restriction state, for example, “It is an area where payment processing cannot be performed. Please move to an area where payment processing can be performed” is displayed on a part of the display unit 34 and notified. The Thereby, the user can easily grasp that the mobile terminal 30 to be used is in the first restricted state in which execution of the payment function is restricted.

  Moreover, since it is a state in which a radio signal is not detected, if it determines with No in step S101, a 2nd restriction | limiting process will be made in step S113. In this process, the second restricted state is set in which execution of all functions of the portable terminal 30 is restricted.

  Thus, in a state where neither the radio signal nor the infrared signal is detected, the position where the mobile terminal 30 cannot detect the radio signal and the infrared signal transmitted to the management area S1 or the position where the mobile terminal 30 is difficult to detect, that is, the mobile terminal 30 It can be determined that the position is out of the management area S1. For this reason, in order to surely prevent unauthorized use, the portable terminal 30 is in the second restricted state, execution of all functions including the settlement function is restricted, and operation of the portable terminal 30 is prohibited. . The state in which neither the radio signal nor the infrared signal is detected can correspond to an example of a “second detection state” described in the claims.

  In step S115, a second restriction state display process is performed. In this process, a notation that the second restriction state is set, for example, “Not an area that cannot be operated. Please move to an area that can be operated” is displayed on a part of the display unit 34 and notified. Thereby, the user can easily grasp that the mobile terminal 30 to be used is in the second restricted state in which execution of all functions is restricted.

  As described above, in the mobile terminal management system 10 according to the first embodiment, when the mobile terminal 30 is in a state in which only the radio signal is detected without detecting the infrared signal, in step S109, Execution of settlement functions is restricted. Further, when the mobile terminal 30 is in a state where neither a radio signal nor an infrared signal is detected, execution of all functions is restricted in step S113.

  Accordingly, even when the mobile terminal 30 is in a position where it is difficult to determine whether or not the mobile terminal 30 is in the management area S1, only the execution of the settlement function is reliably restricted, so that the security can be improved. Further, even when the execution of the settlement function is restricted as described above, the execution of other different functions is not restricted, so that a decrease in convenience is suppressed compared to the case where the execution of all functions is restricted. be able to.

In addition, since neither the wireless signal nor the infrared signal is detected, when it is determined that the mobile terminal 30 is out of the management area S1, the execution of all functions is restricted. Unauthorized use of the terminal 30 can be reliably prevented.
Therefore, the unauthorized use of the portable terminal 30 can be prevented by restricting the execution of functions according to the management area S1.

  In particular, the transmission device 20 includes each infrared signal transmitter 21 to 24 that transmits an infrared signal and a wireless signal transmitter 25 that transmits a wireless signal having a wider transmission range than the infrared signal. It is possible to easily configure the transmission device 20 in which the restriction range S3 is surely made wider than the full function feasible range S2.

  In the mobile terminal management system 10 according to the first embodiment, the mobile terminal 30 includes a light receiving surface 61a for detecting an infrared signal, an upper surface of the outer surface of the housing 31 on which the display unit 34 is disposed, It is arranged near the upper surface. Thereby, since the infrared signal to the light receiving surface 61a is not easily blocked by the mounting surface or the like, the detection accuracy of the infrared signal from each of the infrared signal transmitters 21 to 24 can be improved. The light receiving surface 61a may be disposed only on the upper surface of the outer surface of the housing 31 on which the display unit 34 is disposed, or may be disposed only on the side surface in the vicinity of the upper surface.

  Furthermore, in the portable terminal management system 10 according to the first embodiment, when execution of the payment function or all functions is restricted, the fact is displayed on the display unit 34 to notify that effect. In this way, the display unit 34 functions as a notification unit, so that the user can determine whether the mobile terminal 30 to be used is in a state where execution of a predetermined function is restricted or execution of all functions is restricted. It can be easily grasped.

  As a modification of the first embodiment, the transmission device 20 includes a first transmission unit that transmits a signal that is different from an infrared signal or a wireless signal, instead of the infrared signal transmitters 21 to 24 and the wireless signal transmitter 25. You may employ | adopt the 2nd transmission means with a wider transmission range than a 1st transmission means. Even in this case, the transmission range of the first transmission unit is made to correspond to the entire function feasible range S2, and the transmission range of the second transmission unit is made to correspond to the partial function restriction range S3. Similarly, unauthorized use of the mobile terminal 30 can be prevented.

[Second Embodiment]
Next, a second embodiment that embodies the portable terminal management system of the present invention will be described. FIG. 7 is a timing chart showing the relationship between the transmission timing in each of the infrared signal transmitters 21 to 24 and the detection timing in the portable terminal 30 in the second embodiment, and FIG. 7 (A) shows each infrared signal transmitter. FIG. 7B shows a state in which all infrared signals are detected by the infrared signal detection unit 61, and FIG. 7C shows an infrared signal transmission by the infrared signal detection unit 61. FIG. 7D shows a state in which no infrared signal is detected by the infrared signal detector 61. FIG. FIG. 8 is a flowchart illustrating the flow of restriction processing in the control unit 32 of the second embodiment.

  In the management system 10 according to the second embodiment, the wireless signal transmitter 25 is abolished, and the transmission timings of the infrared signal transmitters 21 to 24 are adjusted as illustrated in FIG. The processing is different from the mobile terminal management system according to the first embodiment in that arithmetic processing is performed based on the flowchart of FIG. 8 instead of the flowchart of FIG. 5. Therefore, substantially the same components as those in the mobile terminal management system of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  As shown in FIG. 7A, each of the infrared signal transmitters 21 to 24 transmits an infrared signal by shifting the transmission timing (light emission timing). Therefore, in the second embodiment, each of the infrared signal transmitters 21 to 24 has the portable terminal 30 that can detect infrared signals from two or more infrared signal transmitters by the infrared signal detection unit 61 of the portable terminal 30. The range corresponds to the above-described all-function executable range S2, and the existence range of the mobile terminal 30 that can detect the infrared signal from one or more infrared signal transmitters corresponds to the partial function restriction range S3 described above. Is arranged. This is because the position where more infrared signals from more infrared signal transmitters can be detected is closer to the center of the management area S1. Further, if only an infrared signal from one infrared signal transmitter is detected, it is estimated that the mobile terminal 30 is located in a place where it is difficult to determine whether or not it is in the management area S1. It is.

Hereinafter, the restriction process by the control unit 32 in the second embodiment will be described with reference to the flowchart of FIG.
First, when the power is turned on, it is determined in step S101a in FIG. 8 whether or not infrared signals from one or more infrared signal transmitters are detected. Here, as illustrated in FIG. 7B, when the infrared signal detection unit 61 detects the infrared signals from the four infrared signal transmitters 21 to 24, the portable terminal 30 is illustrated in FIG. 2 is determined to be within the partial function restriction range S3 shown in FIG. 2, and “Yes” is determined in step S101a.

  Next, in step S103a, it is determined whether or not infrared signals from two or more infrared signal transmitters are detected. As described above, when the infrared signal detection unit 61 detects the infrared signals from the four infrared signal transmitters 21 to 24 (see FIG. 7B), the portable terminal 30 is shown in FIG. It is determined that it is within the all function feasible range S2 shown, and it is determined Yes in step S103a.

  As described above, when it is determined Yes in step S103a, the restriction release process is performed in step S105 as in the first embodiment, and the restriction release state in which all the functions of the mobile terminal 30 can be executed is entered. In step S107, a restriction release state display process is performed, and the fact that the restriction is released is displayed on a part of the display unit 34 and notified. Then, the processing from step S101a is repeated.

  During such processing from step S101a, the infrared signal detection unit 61 detects only an infrared signal from one of the four infrared signal transmitters 21 to 24 (hereinafter also referred to as a first infrared detection state). ), It is determined No in step S103a. As the first infrared detection state, for example, as illustrated in FIG. 7C, a state in which only the infrared signal from the infrared signal transmitter 23 is detected by the infrared signal detection unit 61 is assumed. As described above, when it is determined No in step S103a, the first restriction process is performed in step S109 and the execution of the settlement function is restricted in the same manner as in the first embodiment. In S111, a first restriction state display process is performed, and a notification indicating that the state is the first restriction state is displayed on a part of the display unit 34 and the like.

  Further, as illustrated in FIG. 7D, the infrared signal detection unit 61 does not detect any of the infrared signals from the four infrared signal transmitters 21 to 24 (hereinafter also referred to as a second infrared detection state). If it becomes, it will determine with No in step S101a. Thus, when it is determined No in step S101a, the second restriction process is performed in step S113, and execution of all functions of the mobile terminal 30 is restricted, as in the first embodiment. The second restricted state is entered, and the second restricted state display process is performed in step S115, and the fact that it is in the second restricted state is displayed on a part of the display unit 34 and notified.

  As described above, in the mobile terminal management system 10 according to the second embodiment, the transmission device 20 includes the four infrared signal transmitters 21 to 24. Infrared signals are transmitted at different timings. When the mobile terminal 30 is in the first infrared detection state, the execution of the payment function is restricted in step S109, and the second infrared ray has fewer signal detection types (number of detections) than in the first infrared detection state. In the detection state, execution of all functions is restricted in step S113.

  Even in this case, as in the first embodiment, even when the mobile terminal 30 is in a position where it is difficult to determine whether or not it is in the management area S1, only the execution of the settlement function is reliably restricted. Can be improved. Further, even when the execution of the settlement function is restricted as described above, the execution of other different functions is not restricted, so that a decrease in convenience is suppressed compared to the case where the execution of all functions is restricted. be able to.

In addition, since the detection state is the second infrared detection state, when it is determined that the mobile terminal 30 is in a position outside the management area S1, the execution of all functions is restricted. Can be reliably prevented.
In particular, the transmission device 20 is configured by adopting the four infrared signal transmitters 21 to 24 without employing a transmission means for transmitting other signals, so that the device configuration can be simplified.

[Third Embodiment]
Next, a third embodiment in which the portable terminal management system of the present invention is embodied will be described. FIG. 9 is a timing chart showing the relationship between the transmission timing in the infrared signal transmitter 21 and the detection timing in the portable terminal 30 in the third embodiment, and FIG. 9A shows the transmission timing in the infrared signal transmitter 21. FIG. 9B shows a state in which all infrared signals from the infrared signal transmitter 21 are detected by the infrared signal detector 61, and FIG. 9C shows that the infrared signal detector 61 FIG. 9D shows a state where only some infrared signals from the infrared signal transmitter 21 are detected, and FIG. 9D shows a state where no infrared signal is detected by the infrared signal detector 61. FIG. 10 is a flowchart illustrating the flow of the restriction process in the control unit 32 of the third embodiment.

  In the management system 10 according to the third embodiment, the infrared signal transmitters 22 to 24 and the wireless signal transmitter 25 are eliminated except for the infrared signal transmitter 21, and the restriction process described above is replaced with the flowchart of FIG. 10 is different from the mobile terminal management system according to the first embodiment in that arithmetic processing is performed based on the flowchart of FIG. Therefore, substantially the same components as those in the mobile terminal management system of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  As shown in FIG. 9A, the infrared signal transmitter 21 is configured to intermittently transmit infrared signals at regular intervals. Therefore, in the third embodiment, the infrared signal transmitter 21 is a portable device in which the number of detected infrared signals is two or more by the infrared signal detector 61 within a predetermined time T among the infrared signals transmitted intermittently. Arrangement so that the existence range of the terminal 30 corresponds to the above-described all-function executable range S2, and the existence range of the mobile terminal 30 in which the number of detected infrared signals is 1 or more corresponds to the partial function restriction range S3 described above. Has been. This is because the position where more intermittent infrared signals from the infrared signal transmitter can be detected within the predetermined time T is closer to the center of the management area S1. Further, if only one is detected within the predetermined time T, it is estimated that the mobile terminal 30 is located in a place where it is difficult to determine whether or not it is in the management area S1.

Hereinafter, the limiting process by the control unit 32 in the third embodiment will be described with reference to the flowchart of FIG.
First, when the power is turned on, it is determined in step S101b in FIG. 10 whether or not the number of detected infrared signals is detected within a predetermined time T. Here, as illustrated in FIG. 9B, when all infrared signals are detected within a predetermined time T by the infrared signal detection unit 61, the portable terminal 30 is illustrated in FIG. 2. It is determined that it is within the partial function restriction range S3, and Yes is determined in step S101b.

  Next, in step S103b, it is determined whether or not the number of detected infrared signals is two or more within a predetermined time T. As described above, when all four infrared signals are detected within the predetermined time T by the infrared signal detection unit 61 (see FIG. 9B), the mobile terminal 30 is shown in FIG. It is determined that it is within the function feasible range S2, and it is determined Yes in step S103b.

  Thus, when it is determined Yes in step S103b, the restriction release process is performed in step S105 as in the first embodiment, and the restriction release state in which all the functions of the mobile terminal 30 can be executed is entered. In step S107, a restriction release state display process is performed, and the fact that the restriction is released is displayed on a part of the display unit 34 and notified. Then, the processing from step S101b is repeated.

  During such processing from step S101b, as illustrated in FIG. 9C, the number of detected infrared signals by the infrared signal detection unit 61 within a predetermined time T is 1 (hereinafter referred to as the first number). If it is also called a detection state, it is determined No in step S103b. Thus, when it is determined No in step S103b, in the same manner as in the first embodiment, the first restriction process is performed in step S109 to enter the first restriction state in which the execution of the settlement function is restricted. In S111, a first restriction state display process is performed, and a notification indicating that the state is the first restriction state is displayed on a part of the display unit 34 and the like.

  Also, as illustrated in FIG. 9D, when no infrared signal is detected by the infrared signal detection unit 61 within a predetermined time T (hereinafter, also referred to as a second number detection state), the process proceeds to step S101b. Is determined as No. Thus, when it is determined No in step S101b, the second restriction process is performed in step S113, and execution of all the functions of the mobile terminal 30 is restricted, as in the first embodiment. The second restricted state is entered, and the second restricted state display process is performed in step S115, and the fact that it is in the second restricted state is displayed on a part of the display unit 34 and notified.

  As described above, in the mobile terminal management system 10 according to the third embodiment, the transmission device 20 includes one infrared signal transmitter 21, and the infrared signal transmitter 21 intermittently transmits infrared signals. Is configured to send. If the mobile terminal 30 is in the first number detection state within the predetermined time T, the execution of the settlement function is restricted in step S109, and the mobile terminal 30 starts from the first number detection state within the predetermined time T. In the second number detection state in which the detected number is small, the execution of all functions is restricted in step S113.

  Even in this case, as in the first embodiment, even when the mobile terminal 30 is in a position where it is difficult to determine whether or not it is in the management area S1, only the execution of the settlement function is reliably restricted. Can be improved. Further, even when the execution of the settlement function is restricted as described above, the execution of other different functions is not restricted, so that a decrease in convenience is suppressed compared to the case where the execution of all functions is restricted. be able to.

In addition, since the detection state is the second number detection state, when it is determined that the mobile terminal 30 is out of the management area S1, the execution of all functions is restricted. Can be reliably prevented.
In particular, since the transmission device 20 is configured by adopting one infrared signal transmitter 21 without adopting a transmission means for transmitting other signals, the device configuration is simplified compared to the second embodiment. Can be planned.

The present invention is not limited to the above embodiments, and may be embodied as follows. Even in this case, the same operations and effects as those of the above embodiments can be obtained.
(1) In step 109 in each of the above embodiments, not only the execution of the settlement function is restricted, but the execution of other important functions may be restricted. That is, importance is set for each of a plurality of functions constituting all the functions of the mobile terminal 30, and in step S109, execution of a function having a high importance among all the functions is restricted. Even in this case, when the detection state is the first detection state (first embodiment), the first infrared detection state (second embodiment), or the first number detection state (third embodiment), it is important. Since the execution of functions having a high degree is restricted, the security can be improved, and the execution of other functions different from the function having a high degree of importance is not restricted, so that a decrease in convenience can be suppressed.

(2) In the first and second embodiments, the transmission device 20 is not limited to configuring the all-function executable range S2 by the infrared signals transmitted from the four infrared signal transmitters 21 to 24, and two, You may comprise full function feasible range S2 by arrange | positioning 3 or 5 or more infrared signal transmitters.

  Even in this case, in step S103 in the first embodiment, it is assumed that the detection state is the first detection state when a part of the infrared signal transmitted from each infrared signal transmitter is detected (No in S103). You may implement the process after S109. In Step S103a in the second embodiment, when a part of the infrared signal transmitted from each infrared signal transmitter is detected, the first infrared detection state is set (No in S103a). Processing may be performed.

(3) In the third embodiment, by adjusting the predetermined time T, the number of infrared signals detected within the predetermined time T may be two, three, or five or more. Even in this case, in step S103b, if a part of the infrared signal is detected within the predetermined time T, the first number detection state is assumed (No in S103b), and the processing after step S109 is performed. May be.

(4) In step S101a of the second embodiment, the processes after step S113 are performed when none of the infrared signals from the four infrared signal transmitters 21 to 24 is detected by the infrared signal detection unit 61. Not limited to this, the processing after step S113 may be performed when the detection state is smaller than the first infrared detection state. In step S101b of the third embodiment, the infrared signal detection unit 61 is not limited to performing the processing after step S113 when no infrared signal is detected within the predetermined time T. If the number of detection types is less than the one-number detection state, the processing after step S113 may be performed.

(5) In each of the above embodiments, warning means for warning the surroundings that the execution of all functions is restricted may be adopted after the process of step S115. Examples of the warning means include a buzzer that emits a warning sound and a warning light. Thereby, when the portable terminal 30 is taken away from the management area S1, the execution of all functions is restricted by the step S113 and the surrounding warning is given by the warning means. 30 unauthorized use can be prevented more reliably.

(6) In each of the embodiments described above, the management system 10 uses one mobile terminal 30 as a management target. However, the present invention is not limited to this, and a plurality of mobile terminals 30 may be used as management targets.

DESCRIPTION OF SYMBOLS 10 ... Management system 20 ... Transmission apparatus 21-24 ... Infrared signal transmitter (infrared signal transmission means)
25. Radio signal transmitter (radio signal transmitting means)
30 ... mobile terminal 32 ... control unit (limitation means)
61 ... Infrared signal detection unit (detection means, infrared signal detection means)
61a ... light receiving surface 62 ... radio signal detector (detection means, radio signal detection means)
S1 ... Management area S2 ... All functions feasible range S3 ... Partial function restriction range

Claims (6)

A mobile terminal management system comprising: a transmission device that transmits a plurality of types of signals to a predetermined management area; and a mobile terminal whose function is restricted according to the predetermined management area,
The portable terminal is
Detection means capable of detecting the plurality of types of signals from the transmission device;
When the detection state by the detection unit is a first detection state in which a part of the plurality of types of signals is detected, execution of a predetermined function among all functions in the mobile terminal is limited, Limiting means for limiting the execution of all functions when the detection state of the signal is less than the first detection state in the second detection state;
Equipped with a,
The transmission device includes a plurality of infrared signal transmission means capable of transmitting infrared signals, and is configured to transmit infrared signals at different timings from the respective infrared signal transmission means as the plurality of types of signals,
The limiting means executes the predetermined function when the detection state by the detection means is a first infrared detection state in which a part of the infrared signals transmitted from the infrared signal transmission means is detected. management system for portable terminal restrictions, and characterized that you limit the execution of all functions when the than the first infrared detecting state is a second infrared detecting state detection type is less of the signal. Importance is set for each of the functions constituting all the functions,
The mobile terminal management system according to claim 1, wherein the predetermined function is a function having a high importance level among all the functions. The mobile terminal has a payment function,
The mobile terminal management system according to claim 1, wherein one of the predetermined functions is the settlement function. The mobile terminal includes a display unit for displaying predetermined information ,
It said detecting means includes a light receiving surface for detecting the infrared signal, to any one of claims 1 to 3, wherein Rukoto disposed in the vicinity of the outer surface or the outer surface wherein the display unit is arranged The portable terminal management system described. It said portable terminal, when said predetermined function or execution of all functions is limited by the limiting means, any one of claims 1 to 4, characterized in Rukoto provided with informing means for informing to that effect The management system of the portable terminal as described in. Said portable terminal, when the said limiting means execution of all of the functions are restricted, in any one of claims 1 to 5, wherein Rukoto comprising a warning means for warning to that effect to the environment The portable terminal management system described.

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