JP6102531B2 - Image processing system, portable terminal device, function restriction method and function restriction program for portable terminal device - Google Patents

Description

  The present invention relates to an image processing system including an image processing device such as an MFP (Multi Function Peripherals) which is a multi-function digital multifunction peripheral and a mobile terminal device such as a smartphone or a tablet terminal, a mobile terminal device, and a function limiting method for the mobile terminal device And a function restriction program.

  Install an application program for remotely operating an image processing device such as a multi-function digital multifunction peripheral called MFP (Multi Function Peripherals) on a mobile terminal device such as a smartphone or tablet terminal. A technique for operating an image processing apparatus from a portable terminal device has already been proposed (see, for example, Patent Document 1).

  In such a technique, since the portable terminal device can be operated from a location away from the image processing device, the owner of the portable terminal device lends the portable terminal to another person, and the other person who borrows the portable terminal device from the portable terminal device. It is conceivable to operate the image processing apparatus.

Japanese Patent Laid-Open No. 05-122424

  However, when the portable terminal device is lent to another person for use of the image processing apparatus, there is a problem that another person may use not only the operation of the image processing apparatus but also other functions of the portable terminal apparatus.

  In order to solve such problems, it is conceivable that operations other than the operation of the image processing apparatus can be locked and cannot be used, but the operation is locked even for the owner of the mobile terminal device. Inconvenient. In addition, depending on the relationship between the owner of the mobile terminal device and the other person that lends it, the use of the basic functions of the mobile terminal device that are not related to personal information may be permitted.

  The present invention has been made in view of such a technical background, and restricts the use of functions other than the operation of the image processing device when a portable terminal device capable of operating the image processing device is lent to another person. However, an image processing system capable of ensuring convenience by permitting the use of a function according to a user, a portable terminal device used in the system, and a function restriction method and a function restriction program for the portable terminal device are provided. Is an issue.

The above problem is solved by the following means.
(1) An image processing system including a portable terminal device and an image processing device that can be connected to each other, wherein the portable terminal device is operable to operate the image processing device; Transmission means for transmitting authentication information of a user who uses the image processing apparatus to the image processing apparatus when operating the processing apparatus, and a function of the portable terminal device acquired by the image processing apparatus from the image processing apparatus based on the authentication information Receiving means for restricting the function for restricting the function, and control means for restricting the function of the own apparatus based on the received information for restricting the function, wherein the image processing apparatus comprises the portable terminal receiving means for receiving authentication information of the user from the device, provided inside or outside of the pixel Zosho management apparatus, an authentication unit for performing authentication based on the received authentication information, Acquisition means for acquiring function restriction information for restricting the function of the portable terminal device based on the authentication information, and function restriction information for restricting the function of the obtained portable terminal device. An image processing system comprising: a transmission unit configured to transmit to the network.
(2) The control unit of the portable terminal device can lock operations other than the operation related to the input of the user authentication information until the function of the own device is restricted based on the function restriction information. 2. The image processing system according to 1.
(3) The transmission means of the portable terminal device transmits the owner information of the portable terminal device to the image processing device together with the authentication information of the user who uses the image processing device, and the function restriction information is the image processing information. 3. The image processing system according to item 1 or 2, which is information for restricting a function of the mobile terminal device defined in advance based on a relationship between a user who uses the device and an owner of the mobile terminal device.
(4) The function restriction information includes an operation history with respect to the image processing device of a user who uses the image processing device, and the control unit of the mobile terminal device restricts the function of the own device based on the operation history. 4. The image processing system according to any one of items 1 to 3.
(5) Operation means capable of operating the image processing apparatus, transmission means for transmitting authentication information of a user who uses the image processing apparatus to the image processing apparatus when the operation means operates the image processing apparatus, and the image Receiving means for receiving function restriction information for restricting the function of the mobile terminal device acquired by the image processing device based on the authentication information from the processing device, and based on the received function restriction information, And a control means for limiting the function.
(6) The control unit according to (5), wherein the control unit can lock an operation other than the operation related to the input of the user authentication information until the function of the own device is limited based on the function limitation information. Mobile terminal device.
(7) The transmission means transmits the owner information of the own apparatus together with the authentication information of the user who uses the image processing apparatus to the image processing apparatus, and the function restriction information is a user who uses the image processing apparatus. 7. The portable terminal device according to 5 or 6 above, which is information for restricting a function of the own device defined in advance based on a relationship between the user and the owner of the own device.
(8) The function restriction information includes an operation history with respect to the image processing device of a user who uses the image processing device, and the control unit of the mobile terminal device restricts the function of the own device based on the operation history. 8. The mobile terminal device according to any one of items 5 to 7.
(9) A function limiting method for a portable terminal device executed in an image processing system including a portable terminal device and an image processing device that can be connected to each other, wherein the portable terminal device can operate the image processing device A transmission step of transmitting authentication information of a user who uses the image processing apparatus to the image processing apparatus when the image processing apparatus is operated by an operation unit; Receiving the function restriction information for restricting the function of the mobile terminal device performed, and the control step for restricting the function of the own device based on the received function restriction information, the image processing apparatus includes a receiving step of receiving authentication information of the user from the portable terminal device, provided inside or outside of the pixel Zosho management device, the received An authentication step for performing authentication based on certificate information, an acquisition step for acquiring function restriction information for limiting the function of the mobile terminal device based on the authentication information, and limiting the function of the acquired mobile terminal device A function limiting method for a mobile terminal device, comprising: transmitting a function limiting information for transmitting to the mobile terminal device.
(10) a transmission step of transmitting authentication information of a user who uses the image processing apparatus to the image processing apparatus when operating the image processing apparatus by an operating means capable of operating the image processing apparatus; and the authentication from the image processing apparatus A receiving step for receiving function restriction information for restricting the function of the mobile terminal device acquired by the image processing device based on the information; and restricting the function of the mobile terminal device based on the received function restriction information. A function restriction program for causing a computer of the mobile terminal device to execute the control step.

  According to the invention described in (1) above, when a user who uses the image processing device transmits authentication information from the portable terminal device to the image processing device, the image processing device performs authentication and the portable terminal based on the authentication information. The function restriction information for restricting the function of the device is acquired, and the acquired function restriction information is transmitted to the mobile terminal device. The portable terminal device restricts the function of the own device based on the received function restriction information. Therefore, by associating the user authentication information and the function restriction information in advance, the function of the portable terminal device can be restricted according to the user who uses the portable terminal device, and thus the image processing apparatus can be operated. When the portable terminal device is lent to another person, the use of the function can be permitted according to the user while restricting the use of the function other than the operation of the image processing apparatus, and the convenience can be ensured.

  According to the invention described in (2) above, operations other than operations related to input of user authentication information can be locked until the function of the mobile terminal device is limited based on the function restriction information. Until the function of the mobile terminal device is limited based on the function restriction information, it is possible to prevent a lent other person from using the mobile terminal device.

  According to the invention described in item (3), the function of the mobile terminal device can be restricted according to the relationship between the user who uses the image processing device and the owner of the mobile terminal device.

  According to the invention described in item (4), the function of the mobile terminal device can be limited based on the operation history of the user who uses the image processing device with respect to the image processing device.

  According to the invention described in (5) above, when a portable terminal device capable of operating the image processing device is lent to another person, the use of the function other than the operation of the image processing device is restricted, and the function of the function is determined according to the user. Use can be permitted and convenience can be ensured.

  According to the invention described in the preceding item (6), it is possible to prevent a lent other person from using the mobile terminal device until the function of the mobile terminal device is limited based on the function restriction information.

  According to the invention described in (7) above, the function of the mobile terminal device is limited based on information that is defined in advance based on the relationship between the user who uses the image processing device and the owner of the mobile terminal device. Can do.

  According to the invention described in item (8), the function of the mobile terminal device can be limited based on the operation history of the user who uses the image processing device with respect to the image processing device.

  According to the invention described in (9) above, when a portable terminal device capable of operating the image processing device is lent to another person, the use of the function other than the operation of the image processing device is restricted, and the function of the function is determined according to the user. Use can be permitted and convenience can be ensured.

  According to the invention described in the above item (10), when a portable terminal device capable of operating the image processing apparatus is lent to another person, the function of the function is determined according to the user while restricting the use of functions other than the operation of the image processing apparatus. The process of permitting use can be executed by the computer of the mobile terminal device.

1 is a configuration diagram of an image processing system according to an embodiment of the present invention. It is a block diagram which shows the electrical structure of an image processing apparatus and a portable terminal device. It is a figure for demonstrating the state which the owner of the portable terminal device lent the portable terminal device to the others who use an image processing apparatus. It is a flowchart which shows each operation | movement of an image processing apparatus and a portable terminal device. It is a figure which shows the user authentication input screen displayed on the portable terminal device. It is a table | surface which shows an example of the function restriction | limiting according to the relationship between a user and a portable terminal owner. It is a flowchart which concerns on other embodiment of this invention, and shows each operation | movement of an image processing apparatus and a portable terminal device. It is a table | surface which shows the relationship between the operation history of an image processing apparatus, and the function restriction | limiting of a portable terminal device.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a configuration diagram of an image processing system according to an embodiment of the present invention. In this image processing system, the image processing device 1 and the mobile terminal device 2 are connected via a network such as Wi-Fi (Wireless Fidelity).

  In this embodiment, the above-described MFP having a copy function, a print function, a scan function, a facsimile function and the like is used as the image processing apparatus 1. Hereinafter, the image processing apparatus is also referred to as an MFP. Moreover, as the portable terminal device 2, a smart phone, a tablet terminal, electronic paper, etc. can be used.

  FIG. 2 is a block diagram showing an electrical configuration of the MFP 1 and the portable terminal device 2.

  The MFP 1 includes a system control unit 111, an imaging unit 112, a scanner unit 113, an image processing unit 114, an image forming unit 115, a memory 116, a display unit 117, a communication unit 118, and a user authentication unit 119. The storage unit 120 and the like are provided.

  The system control unit 111 includes a CPU, and the CPU executes various programs such as a basic operation program and an application program so that the entire MFP 1 is controlled in an integrated manner. Basic functions such as a copy function, a printer function, a scan function, and a facsimile function are provided. Control the function to be enabled. Furthermore, in this embodiment, the authentication information of the user of the mobile terminal device transmitted from the mobile terminal device 2 is received and authenticated, or the mobile terminal is based on the relationship between the user and the owner of the mobile terminal device 2. The control for acquiring the function restriction information for restricting the function of the apparatus and transmitting it to the mobile terminal apparatus 2 is executed. Details will be described later.

  The imaging unit 112 captures a user or the like who uses the MFP 1, and the scanner unit 113 is a reading unit that reads an image of a document placed on a document table and outputs image data.

  The image processing unit 114 performs predetermined image processing on the image data obtained by the scanner unit 113.

  The image forming unit 115 prints image data of a document read by the scanner unit 113, print data from a user terminal, and the like according to an instructed mode.

  The memory 116 is a storage medium that provides a work area when the CPU of the system control unit 111 operates based on an operation program.

  The display unit 117 displays a message, an operation screen, and the like, and includes a liquid crystal provided with a touch panel.

  The communication unit 118 controls communication with the mobile terminal device 2 and other external devices.

  Based on the authentication information transmitted from the mobile terminal device 2, the user authentication unit 119 collates the authentication information with the user information stored in the storage unit 120, so that the user who uses the MFP 1 from the mobile terminal device 2 Authentication is performed. 2 shows a case where user authentication is performed inside the MFP 1, an external authentication server is provided, authentication information from the mobile terminal device 2 is transferred to the authentication server, and the external server performs authentication. And the result may be obtained from the authentication server.

  The storage unit 120 is configured by a non-volatile storage device such as a hard disk drive (HDD), and is transmitted from image data of a document read by the scanner unit 113, another image forming apparatus, the portable terminal device 2, or the like. In order to enable the operation from the mobile terminal device 2, the image data that has been stored, and a cooperative application program that causes the CPU of the system control unit 111 to perform cooperation with the mobile terminal device 2 are stored. Further, in this embodiment, user information for user authentication is stored, but in association with this user information, function restriction information for restricting functions of the mobile terminal device 2 as described later is also stored. Yes.

  On the other hand, the mobile terminal device 2 includes a system control unit 211, a communication unit 212, a storage unit 213, a display unit 214, an operation unit 215, a memory 216, and the like.

  The system control unit 211 includes a CPU, and performs overall control of the entire mobile terminal device 2 by the CPU executing an operation program. In particular, in this embodiment, an application program (referred to as an operation application) for remotely operating the MFP 1 from the portable terminal device 2 is installed, and this operation application is activated to display an authentication information input screen or an MFP 1 operation screen. It is displayed and the MFP 1 can be operated.

  The communication unit 212 controls communication with the MFP 1 and other external devices.

  The storage unit 213 is configured by a nonvolatile storage device such as a hard disk drive (HDD), for example, and stores the above-described operation application, other data, and the like.

  The display unit 214 displays a message, an operation screen, etc., and is composed of a liquid crystal or the like.

  The operation unit 215 includes a touch panel capable of multi-touch operation. When the user presses the touch panel with a finger, the touch panel detects the pressed position (touch position). The CPU 11 collates the combination of the user's touch position and the button displayed on the touched area on the screen, and executes processing corresponding to the button.

  The memory 216 is a storage medium that provides a work area when the CPU of the system control unit 211 operates based on an operation program.

  Next, the operation of the image processing system shown in FIGS. 1 and 2 will be described.

  As shown in FIG. 3, it is assumed that the owner A of the portable terminal device 2 lents the portable terminal device 2 to another person B who uses the MFP 1, and the user B who is the other person operates the portable terminal device 2 to use the MFP 1. It will be described as being.

  FIG. 4 is a flowchart showing operations of the MFP 1 and the mobile terminal device 2.

  First, when the owner A of the mobile terminal device 2 starts the operation application, the CPU of the system control unit 201 of the mobile terminal device 2 locks an operation other than the operation related to the input of the user authentication information (step S01). In this state, the owner A of the mobile terminal device 2 lends the mobile terminal 2 to another person B. Since the portable terminal device 2 is locked for operations other than the operation related to the input of the user authentication information, it is possible to prevent the lent other person B from using the portable terminal device 2 without permission.

  Further, the CPU of the system control unit 201 displays an authentication information input screen D1 as shown in FIG. 5 on the display unit 214 (step S02). In this example, a user name and a password are input as authentication information.

  When the user B who is another person inputs the authentication information, the mobile terminal device 2 transmits the input authentication information and owner information of the mobile terminal device 2 to the MFP 1 via the communication unit 212. Owner information of the mobile terminal device 2 is stored in the storage unit 213 of the mobile terminal device 2 in advance.

  The MFP 1 receives the authentication information and the owner information from the mobile terminal device 2 via the communication unit 118, performs authentication by the user authentication unit 119 based on the authentication information, and the user who uses the MFP and the mobile terminal The relationship with the owner is confirmed (step S11). Examples of the relationship between the user and the mobile terminal owner include the case where the user is the owner himself, the case where the user is a superior such as the manager of the owner, and the other cases. The relationship between the user and the portable terminal owner is stored in advance in the storage unit 213 of the MFP 1 or an external server.

  Next, the MFP 1 acquires function restriction information according to the relationship between the user and the portable terminal owner (step S12). This function restriction information is for restricting the usable functions of the mobile terminal device 2, and is set in advance according to the relationship between the user and the mobile terminal owner, such as the storage unit 213 of the MFP 1 or an external server. Is saved.

  The MFP 1 transmits the acquired function restriction information to the mobile terminal device 2. In addition, in order to restrict the function of the MFP 1 according to the authentication result to the user, the restriction of the linkage function with the portable terminal device 2 is set (step S13).

  After receiving the function restriction information from the MFP 1, the portable terminal device 2 sets the function restriction of the portable terminal device 2 according to the function restriction information (step S03). Thereafter, an operation screen for operating the MFP 1 is displayed on the display unit 214 (step S04).

  FIG. 6 shows an example of function restrictions according to the relationship between the user and the portable terminal owner.

  When the user is the owner of the mobile terminal device 2, the operation lock is released and all the functions of the mobile terminal device can be used.

  When the user is a superior such as a boss with respect to the owner of the portable terminal device 2, the operation is normally locked, but only the usable functions are unlocked. In addition, the operation of the mobile terminal device 2 can be used without time restrictions, and the answering mode is set when a call is received. Further, when the MFP 1 that uses the line of the mobile terminal device 2 is linked, for example, when data from the cloud computer is printed on the MFP 1 or image data scanned by the MFP 1 is transferred to the cloud computer, the mobile terminal device 2 The use of a function for high-speed processing using a line is permitted. The basic function of the mobile terminal device 2, for example, the function of taking a photograph with the camera of the mobile terminal device 2 and printing the photograph with the MFP 1 is permitted to be used. In addition, use prohibition is set for a function for referring to personal information stored in the mobile terminal device 2 during the operation of the MFP 1, for example, a function for referring to the address book of the mobile terminal device 2 from the MFP 1.

  In other cases where the user is neither the owner nor the superior of the mobile terminal device 2, only the usable functions are unlocked. In addition, the operation of the mobile terminal device 2 is restricted in terms of time, and use when a call is received is prohibited. The link function with the MFP 1 that uses the line of the mobile terminal device 2 is set to be usable only when the line usage fee is a flat-rate service. The other functions are set in the same manner as when the user is a superior user of the owner of the mobile terminal device 2.

  As described above, in this embodiment, when the MFP 1 acquires the function restriction information for the mobile terminal device 2 for the user using the user authentication information when using the MFP and transmits the function restriction information to the mobile terminal device 2, the mobile terminal device 2 2 restricts the function of the own device based on the received function restriction information. Therefore, by associating the user authentication information with the function restriction information in advance, the function of the portable terminal device 2 can be restricted according to the user who uses the portable terminal device. When the terminal device 2 is lent to another person, the use of the function can be permitted according to the user while restricting the use of the function other than the operation of the MFP 1, and the convenience can be ensured.

  Further, since the function restriction information is defined based on the relationship between the user who uses the mobile terminal device 2 and the owner of the mobile terminal device 2, the function of the mobile terminal device 2 is assigned to the user and the mobile terminal device 2. Can be appropriately restricted according to the relationship with the owner.

  FIG. 7 shows another embodiment of the present invention and is a flowchart showing the operations of the MFP 1 and the portable terminal device 2.

  In this embodiment, the function restriction information is an operation history of the user with respect to the MFP 1, and the mobile terminal device 2 performs function restriction based on this operation history.

  First, when the owner A of the mobile terminal device 2 starts the operation application, the CPU of the system control unit 201 of the mobile terminal device 2 locks an operation other than the operation related to the input of the user authentication information (step S21). In this state, the owner A of the mobile terminal device 2 lends the mobile terminal 2 to another person B.

  Next, the CPU of the system control unit 201 displays an authentication information input screen D1 as shown in FIG. 5 on the display unit 214 (step S22).

  When the user B who is another person inputs the authentication information, the mobile terminal device 2 transmits the input authentication information to the MFP 1 via the communication unit 212.

  The MFP 1 receives the authentication information from the portable terminal device 2 via the communication unit 118, performs authentication by the user authentication unit 119 based on the authentication information, and acquires and confirms the operation history of the user who uses the MFP. (Step S31). The operation history is stored in the storage unit 213 of the MFP 1.

  Next, the MFP 1 transmits the acquired operation history to the portable terminal device 2 as function restriction information. Further, in order to restrict the function of the MFP 1 according to the authentication result to the user, the restriction of the linkage function with the portable terminal device 2 is set (step S32).

  After receiving the function restriction information (operation history) from the MFP 1, the portable terminal device 2 sets the function restriction of the portable terminal device 2 according to the function restriction information (step S23). Thereafter, an operation screen for operating the MFP 1 is displayed on the display unit 214 (step S24).

  FIG. 8 is a table showing the relationship between the operation history and the function restriction of the mobile terminal device 2. The relationship between the operation history and the function restriction of the mobile terminal device 2 is stored in advance in the storage unit 213 of the mobile terminal device 2, and the mobile terminal device 2 collates the operation history received from the MFP 1 with the relationship described above. Set the function restriction corresponding to the history. The relationship between the operation history and the function restriction of the portable terminal device 2 is held on the MFP 1 side, and the MFP 1 notifies the portable terminal device 2 of the function restriction corresponding to the user operation history as function restriction information. May be.

  In the example of FIG. 8, when the user performs an operation by voice recognition of the MFP 1, a setting for permitting use of the voice recognition function of the mobile terminal device 2 is made. In addition, when the user uses the voice guidance of the MFP 1, a setting for permitting use of the speaker of the mobile terminal device 2 is made. Use of functions other than those permitted is prohibited.

  As described above, according to this embodiment, the function of the mobile terminal device 2 can be limited based on the operation history of the user using the mobile terminal device 2 with respect to the MFP 1.

  In the above embodiment, the function restriction is defined based on the relationship between the user who uses the MFP 1 and the owner of the portable terminal device 2 and the operation history of the MFP 1, but is defined for each user who uses the MFP 1. May be.

DESCRIPTION OF SYMBOLS 1 Image processing apparatus 111 System control part 117 Display part 118 Communication part 119 User authentication part 120 Storage part 2 Portable terminal device 211 System control part 212 Communication part 213 Storage part 214 Display part 215 Operation part

Claims (10)

An image processing system comprising a portable terminal device and an image processing device that can be connected to each other,
The portable terminal device
Operating means capable of operating the image processing apparatus;
Transmitting means for transmitting authentication information of a user who uses the image processing apparatus to the image processing apparatus when operating the image processing apparatus by the operation means;
Receiving means for receiving function restriction information for restricting the function of the mobile terminal device acquired by the image processing device based on the authentication information from the image processing device;
Control means for limiting the function of the own device based on the received function restriction information;
With
The image processing apparatus includes:
Receiving means for receiving the user authentication information from the portable terminal device;
Provided inside or outside of the pixel Zosho management apparatus, an authentication unit for performing authentication based on the received authentication information,
Obtaining means for obtaining function restriction information for restricting the function of the mobile terminal device based on the authentication information;
Transmitting means for transmitting the function restriction information for restricting the function of the acquired portable terminal device to the portable terminal device;
An image processing system comprising:   The control means of the portable terminal device can lock operations other than operations related to input of the user authentication information until the function of the own device is restricted based on the function restriction information. The image processing system described. The transmission means of the portable terminal device transmits the owner information of the portable terminal device to the image processing device together with the authentication information of the user who uses the image processing device,
3. The function restriction information is information for restricting a function of a portable terminal device that is defined in advance based on a relationship between a user who uses the image processing device and an owner of the portable terminal device. The image processing system described in 1. The function restriction information includes an operation history for the image processing apparatus of a user who uses the image processing apparatus,
The image processing system according to claim 1, wherein the control unit of the portable terminal device limits a function of the own device based on the operation history. Operating means capable of operating the image processing apparatus;
Transmitting means for transmitting authentication information of a user who uses the image processing apparatus to the image processing apparatus when operating the image processing apparatus by the operation means;
Receiving means for receiving function restriction information for restricting the function of the mobile terminal device acquired by the image processing device based on the authentication information from the image processing device;
Control means for limiting the function of the own device based on the received function restriction information;
A portable terminal device comprising:   The portable terminal according to claim 5, wherein the control means can lock operations other than operations related to input of the user authentication information until the function of the own device is limited based on the function restriction information. apparatus. The transmission means transmits the owner information of the own apparatus together with the authentication information of the user who uses the image processing apparatus to the image processing apparatus,
7. The function restriction information is information for restricting a function of the own apparatus defined in advance based on a relationship between a user who uses the image processing apparatus and an owner of the own apparatus. Mobile terminal device. The function restriction information includes an operation history for the image processing apparatus of a user who uses the image processing apparatus,
The mobile terminal device according to any one of claims 5 to 7, wherein the control means of the mobile terminal device restricts the function of the device itself based on the operation history. A function limiting method for a mobile terminal device executed by an image processing system including a mobile terminal device and an image processing device that can be connected to each other,
The portable terminal device
A transmission step of transmitting authentication information of a user who uses the image processing apparatus to the image processing apparatus when operating the image processing apparatus by an operating means capable of operating the image processing apparatus;
A receiving step of receiving function restriction information for restricting the function of the mobile terminal device acquired by the image processing device based on the authentication information from the image processing device;
Based on the received function restriction information, a control step for restricting the function of the device itself;
Run
The image processing apparatus includes:
Receiving the user authentication information from the mobile terminal device; and
An authentication step of performing authentication based on該画Zosho provided inside or outside of the physical device, the authentication information received;
An acquisition step of acquiring function restriction information for restricting the function of the mobile terminal device based on the authentication information;
Transmitting the function restriction information for restricting the function of the acquired mobile terminal device to the mobile terminal device;
A function restriction method for a mobile terminal device, characterized by: A transmission step of transmitting authentication information of a user who uses the image processing apparatus to the image processing apparatus when operating the image processing apparatus by an operating means capable of operating the image processing apparatus;
A receiving step of receiving function restriction information for restricting the function of the mobile terminal device acquired by the image processing device based on the authentication information from the image processing device;
Based on the received function restriction information, a control step for restricting the function of the mobile terminal device;
Is a function restriction program for causing a computer of a mobile terminal device to execute the program.

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