JP5845997B2 - Image forming apparatus and program - Google Patents

Description

  The present invention relates to an image forming apparatus such as an MFP (Multi-Functional Peripheral) and a related technique, and more particularly to a technique for linking an image forming apparatus and a portable terminal.

  In the image forming apparatus, various information is displayed using the operation panel. For example, a preview image related to print output is displayed.

  Japanese Patent Application Laid-Open No. 2004-228688 describes a technique for displaying a preview image of a printer on a portable terminal different from the printer.

JP 2008-299739 A

  However, since the display unit of the portable terminal is generally smaller than the operation panel of the image forming apparatus, there is a problem that the visibility related to the display contents is always reduced when the preview image is uniformly displayed on the portable terminal.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a technique capable of achieving cooperation between an image forming apparatus and a portable terminal while suppressing a decrease in visibility regarding content to be displayed.

  In order to solve the above-mentioned problems, the invention of claim 1 is an image forming apparatus, a communication means capable of communicating with a portable terminal, a first display means for displaying various contents, and the first A determination unit that determines a security level of a display target content that is a content to be displayed on the display unit; and when it is determined that the display target content is a high security content having a security level equal to or higher than a predetermined level, Display control means for changing the display destination of the display target content from the first display means to the second display means which is a display means of the portable terminal.

According to a second aspect of the present invention, in the image forming apparatus according to the first aspect of the invention, the determination means is provided that a predetermined character string indicating high security content is included in the display target content. , characterized in that determining said display-content is the high security content.

  According to a third aspect of the invention, in the image forming apparatus according to the second aspect of the invention, the predetermined character string includes a character string indicating secret information.

  According to a fourth aspect of the present invention, in the image forming apparatus according to the second aspect of the invention, the predetermined character string includes a character string indicating personal information.

  According to a fifth aspect of the present invention, in the image forming apparatus according to any one of the second to fourth aspects of the present invention, the determination unit determines whether the predetermined character string is based on a character recognition processing result for the display target content. It is determined whether or not the content is included in the display target content.

  According to a sixth aspect of the present invention, in the image forming apparatus according to any one of the first to fifth aspects of the present invention, on the condition that a font size of characters constituting the display target content is larger than a predetermined size. The display destination of the display target content is changed.

  According to a seventh aspect of the present invention, in the image forming apparatus according to any one of the first to sixth aspects, when the display target content includes an authentication information input screen, the determination means It is determined that the content is high security content.

According to an eighth aspect of the present invention, in the image forming apparatus according to any one of the first to seventh aspects, the determination unit is a high security communication protocol in which the display target content has a security level equal to or higher than a predetermined level. When acquired, the display target content is determined as the high security content.

  According to a ninth aspect of the present invention, in the image forming apparatus according to any one of the first to eighth aspects, the display control means is such that the image forming apparatus and the portable terminal are separated from each other by a distance greater than a predetermined distance. On the other hand, the display destination of the display target content is changed from the first display means to the second display means.

  According to a tenth aspect of the present invention, in the image forming apparatus according to any one of the first to ninth aspects, the display control unit determines that the display target content is the high security content. The first display means displays an image indicating that the display destination of the high security content has been changed.

  According to an eleventh aspect of the present invention, a security level of a display target content that is a content to be displayed on a first display means that is a display means of the image forming apparatus is determined in a computer built in the image forming apparatus. And b) when it is determined that the display target content is high security content having a security level equal to or higher than a predetermined level, the display destination of the display target content is displayed from the first display unit to the mobile terminal. And a step of changing to a second display means, which is a means.

  According to the first to eleventh aspects of the present invention, it is possible to appropriately determine the display destination of the content according to the security level of the content to be displayed. Therefore, it is possible to achieve cooperation between the image forming apparatus and the portable terminal while suppressing a decrease in visibility regarding the content to be displayed. It is also possible to ensure the confidentiality of high security content.

1 is a diagram illustrating an image forming system according to a first embodiment. It is a figure which shows the functional block of an image forming apparatus. It is a figure which shows the functional block of a portable terminal. It is a flowchart which shows the operation | movement which concerns on 1st Embodiment. It is a figure which shows the display screen in the touchscreen of an image forming apparatus. It is a figure which shows the display screen in the touchscreen of a portable terminal. It is a figure which shows the display screen (image forming apparatus side) after a display destination change. It is a figure which shows the display screen (mobile terminal side) after a display destination change. It is a figure which shows a character string list. It is a figure which shows the authentication information input screen in the touch panel of an image forming apparatus. It is a figure which shows the display screen (image forming apparatus side) after a display destination change. It is a figure which shows the display screen (mobile terminal side) after a display destination change. It is a figure which shows a mode that a display object file is acquired using the HTTPS protocol. It is a figure which shows the distance between an image forming apparatus and a portable terminal. It is a figure which shows a mode that the display destination of a display target content is changed according to the distance between an image forming apparatus and a portable terminal.

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

<1. First Embodiment>
<1-1. Outline of configuration>
FIG. 1 is a diagram illustrating an image forming system 1 (also referred to as 1A) according to the first embodiment. As shown in FIG. 1, the image forming system 1 </ b> A includes an image forming apparatus 10 (also referred to as 10 </ b> A) and a portable terminal 50.

  The image forming apparatus 10 and the portable terminal 50 are connected to be communicable with each other via a network NW. The network NW is configured by a LAN (Local Area Network), the Internet, and the like. For example, the image forming apparatus 10 and the portable terminal 50 are wirelessly connected via a network NW (including a wireless LAN). However, the present invention is not limited to this, and the image forming apparatus 10 and the portable terminal 50 may be connected to each other by short-range communication (for example, Bluetooth (registered trademark)).

  The portable terminal 50 also functions as a device that operates independently of the image forming apparatus 10. However, here, the portable terminal 50 is used as a device (operation device) that operates (remotely operates) the image forming apparatus 10. A user in the image forming system 1 </ b> A can perform various operations on the image forming apparatus 10 using the portable terminal 50. In the system 1, the image forming apparatus 10 and the cooperation-destination portable terminal 50 cooperate to execute various operations.

<1-2. Configuration of Image Forming Apparatus 10>
FIG. 2 is a diagram illustrating functional blocks of the image forming apparatus 10. Here, an MFP (Multi-Functional Peripheral) is exemplified as the image forming apparatus 10. In FIG. 2, functional blocks of the MFP 10 are shown.

  The MFP 10 is a device (also referred to as a multi-function device) having a scan function, a copy function, a facsimile function, a box storage function, and the like. Specifically, as shown in the functional block diagram of FIG. 2, the MFP 10 includes an image reading unit 2, a print output unit 3, a communication unit 4, a storage unit 5, an operation unit 6, and a controller 9. Various functions are realized by operating these components in a complex manner.

  The image reading unit 2 optically reads (that is, scans) a document placed at a predetermined position of the MFP 10 and generates image data of the document (also referred to as a scanned image). It is. The image reading unit 2 is also referred to as a scanning unit.

  The print output unit 3 is an output unit that prints out an image on various media such as paper based on data related to a print target.

  The communication unit 4 is a processing unit capable of performing facsimile communication via a public line or the like. Further, the communication unit 4 can perform network communication via the network NW. In this network communication, for example, various protocols such as TCP / IP (Transmission Control Protocol / Internet Protocol) are used. By using the network communication, the MFP 10 can exchange various data with a desired partner (for example, the portable terminal 50).

  The storage unit 5 includes a storage device such as a hard disk drive (HDD). The storage unit 5 stores data related to the print job.

  The operation unit 6 includes an operation input unit 6a that receives an operation input to the MFP 10 and a display unit 6b that displays and outputs various types of information. The MFP 10 (specifically, its operation panel 20 (FIG. 1)) is provided with a touch panel (also referred to as a touch screen) 25 (FIG. 1) configured by embedding a piezoelectric sensor or the like in a liquid crystal display panel. The touch panel 25 functions as a part of the operation input unit 6a and also functions as a part of the display unit 6b.

The controller 9 is a control device that is built in the MFP 10 and controls the MFP 10 in an integrated manner. The controller 9 is configured as a computer system including a CPU and various semiconductor memories (RAM and ROM). The controller 9 implements various processing units by executing a predetermined software program (hereinafter also simply referred to as a program) PG1 stored in a ROM (for example, EEPROM (registered trademark) ) in the CPU. . The program (specifically, a program module group) PG1 may be installed in the MFP 10 via a portable recording medium such as a USB memory, or a network NW.

  Specifically, as shown in FIG. 2, the controller 9 implements various processing units including a communication control unit 11, a connection control unit 12, a determination unit 14, and a display control unit 15 by executing a program PG1. .

  The communication control unit 11 is a processing unit that controls communication operations with other devices (such as the portable terminal 50).

  The connection control unit 12 is a processing unit that controls a communication connection operation with the mobile terminal 50 or the like. The connection control unit 12 controls the start operation (connection operation) and end operation (connection release operation (disconnection operation)) of communication connection with other devices (such as the portable terminal 50) in cooperation with the communication control unit 11. To do.

  The determination unit 14 is a processing unit that determines the security level of content to be displayed on the touch panel 25 (also referred to as display target content).

  The display control unit 15 is a processing unit that controls display contents on the touch panel 25 of the image forming apparatus 10. The display control unit 15 also controls display contents on the touch panel 75 (FIG. 1) of the mobile terminal 50. Specifically, the display control unit 15 transmits the display data PD to the portable terminal 50 using the communication unit 4 and the communication control unit 11, and cooperates with the display control unit 65 (see FIG. 3) of the portable terminal 50. The display contents of the touch panel 75 are controlled.

  The display control unit 15 controls the display destination of the display target content according to the security level of the display target content. For example, when it is determined that the display target content is not high security content, the display destination of the display target content is maintained on the touch panel 25. On the other hand, when it is determined that the display target content is high security content, the display destination of the display target content is changed from the touch panel 25 to the touch panel 75. Such an operation will be described in detail later.

<1-3. Configuration of portable terminal 50>
Next, the configuration of the mobile terminal 50 will be described. Here, a smart phone is illustrated as the portable terminal 50. However, the present invention is not limited to this, and the mobile terminal 50 may be a tablet terminal or the like.

  FIG. 3 is a functional block diagram illustrating a schematic configuration of the mobile terminal 50.

  As shown in the functional block diagram of FIG. 3, the mobile terminal 50 includes a communication unit 54, a storage unit 55, an operation unit 56, a controller 59, and the like. Realize the function.

  The communication unit 54 can perform network communication via the network NW. In this network communication, for example, various protocols such as TCP / IP (Transmission Control Protocol / Internet Protocol) are used. By using the network communication, the portable terminal 50 can exchange various data with a desired partner (the image forming apparatus 10 or the like). The communication unit 54 exchanges operation information regarding the image forming apparatus 10 with the image forming apparatus 10. For example, the communication unit 54 receives the display data PD from the image forming apparatus 10. In addition, the communication unit 54 transmits operation instruction information MD based on the operation instruction input received by the operation unit 56 of the portable terminal 50 to the image forming apparatus 10.

  The storage unit 55 includes a storage device such as a nonvolatile semiconductor memory. The storage unit 55 includes a screen data storage unit that stores image data.

  The operation unit 56 includes an operation input unit 56a that receives an operation input to the portable terminal 50, and a display unit 56b that performs display output of various types of information. The portable terminal 50 is provided with a touch panel (touch screen) 75 (see FIG. 1) configured by embedding a piezoelectric sensor or the like in a liquid crystal display panel. The touch panel 75 functions as a part of the operation input unit 56a and also functions as a part of the display unit 56b.

  As will be described later, when the display unit 56b (touch panel 75) is determined as a new display destination of the display content on the touch panel 25 of the image forming apparatus 10, the display content is displayed on the display unit 56b (touch panel 75). .

  The controller 59 is a control device that is built in the mobile terminal 50 and controls the mobile terminal 50 in an integrated manner. The controller 59 is configured as a computer system including a CPU and various semiconductor memories (RAM and ROM). The controller 59 implements various processing units by executing a predetermined software program (hereinafter also simply referred to as a program) PG2 stored in a storage unit (semiconductor memory or the like) in the CPU. The program PG2 may be installed in the portable terminal 50 via a portable recording medium such as a USB memory or a network NW.

  The program PG2 is application software for operating the image forming apparatus 10 and realizes various functions related to the operation of the image forming apparatus 10.

  Specifically, as shown in FIG. 3, the controller 59 realizes various processing units including a communication control unit 61 and a display control unit 65 by executing a program PG2.

  The communication control unit 61 is a processing unit that controls a communication operation with the image forming apparatus 10 or the like in cooperation with the communication unit 54 or the like.

  The display control unit 65 is a processing unit that controls the display operation in the display unit 56b (touch panel 75 or the like). For example, the display control unit 65 displays an operation image GS for remotely operating the image forming apparatus 10 on the touch panel 75 based on the display data PD received by the communication unit 54. Note that, based on an operation instruction input using the operation image GS, operation instruction information MD is transmitted to the image forming apparatus 10 via the communication unit 54 or the like.

<1-4. Operation>
FIG. 4 is a flowchart showing an operation according to the first embodiment.

  As shown in FIG. 4, first, in step S <b> 11, login processing from the mobile terminal 50 to the MFP 10 is performed in response to an operation input from the mobile terminal 50 to the touch panel 75 by the user.

  Next, in step S <b> 12, the MFP 10 displays a preview image related to the print target document or the like on the touch panel 25 of the MFP 10 in response to an operation input to the touch panel 25 of the MFP 10 by the user.

  For example, the user selects a desired document file from the file list FL as a display target file (also referred to as display target content) in response to an operation input on a menu screen displayed on the touch panel 25. Examples of the file list FL include a list in which a plurality of document files stored in a folder (also referred to as “box”) in the storage unit 5 (storage area) of the image forming apparatus 10 are listed. In response to this selection operation, the MFP 10 generates a preview image GA10 of the document file selected as the display target file, and displays the preview image GA10 on the touch panel 25 (more specifically, a part on the left side of the touch panel 25) ( (See FIG. 5). At this time, as shown in FIG. 6, the display image GS10 including a character string such as “standby” is displayed on the touch panel 75 of the portable terminal 50, and the preview image is not displayed.

  In step S13, the MFP 10 determines the security level of the display target content. Specifically, depending on whether or not the display target content includes a character string (determination reference character string) indicating that the content is high security content, the display target content is high security level content. It is determined whether or not there is.

  For example, the display target content includes a determination reference character string (in other words, a character string indicating that the content is confidential information) such as “confidential”, “CONFIDENTIAL”, and “SECRET”. In this case, it is determined that the display target content is high security level content. More specifically, if the reference character string for determination as described above is included as character code data in the data itself of the display target content, it is determined that the display target content is high security level content. Alternatively, when the reference character string for determination as described above is included in the character code data obtained by performing OCR processing (optical character recognition processing) on the display target content data (image data). The display target content may be determined to be high security level content. In other words, it may be determined whether or not the reference character string for determination is included in the display target content based on the character recognition processing result for the display target content. In addition, when the reference character string for determination as described above is included in the file name of the display target content instead of the main body data of the display target content, the display target content is determined to be high security level content. You may do it.

  If it is determined in step S14 that the display target content is not high security content, the display destination is not changed. That is, the display target content remains displayed on the touch panel 25. On the other hand, if it is determined that the display target content is high security content, the process proceeds to step S15, and a display destination change process or the like is executed as described below.

  In step S <b> 15, the MFP 10 changes the display destination of the display target content from the touch panel 25 of the MFP 10 to the touch panel 75 of the mobile terminal 50.

  Specifically, the MFP 10 transmits display data PD for display target content to the mobile terminal 50 and displays the display target content on the touch panel 75 of the mobile terminal 50 (see FIG. 8). For example, as shown in FIG. 8, a display image (in this case, a preview image) GS11 of the display target content is displayed on the touch panel 75. Further, the MFP 10 ends the display of the display target content on the touch panel 25 of the MFP 10 (see FIG. 7). A dummy image GA11 including a character string as shown in FIG. 7 (a character string such as “Preview image is being displayed on a mobile terminal”) is displayed on the touch panel 25 of the MFP 10 in place of the display target content. In other words, the image GA11 indicating that the display destination of the high security content has been changed is displayed on the touch panel 25 (more specifically, the portion PH where the high security content was displayed on the display screen of the touch panel 25). The

  As described above, in this embodiment, on the condition that the display target content is determined to be high security content, the display destination of the display target content is the operation panel 20 on the MFP main body side (specifically, the touch panel 25). ) To the touch panel 75 of the portable terminal 50. That is, the display destination of the high security content is changed from the touch panel 25 to the touch panel 75. In other words, the high security content is displayed on the touch panel 75 of the portable terminal 50 and is not displayed on the touch panel 25 of the MFP 10.

  Here, the information displayed on the touch panel 25 includes information that is not necessarily displayed on the touch panel 25 (information that should be kept secret). For example, the information displayed on the touch panel 25 includes information that is desired to be kept secret for persons existing near the touch panel 25. Specifically, a document related to confidentiality or confidentiality is exemplified. On the other hand, when browsing a highly open document (circulation document “Notice of Group Examination”, etc.), it is not necessary to conceal the document.

  In this embodiment, since the display destination of the high security content is changed from the touch panel 25 to the touch panel 75, it is easy to ensure the confidentiality of the high security content.

  In general, the portable terminal is smaller than the operation panel of the image forming apparatus. For this reason, when the preview image or the like to be displayed on the operation panel is uniformly displayed on the mobile terminal, there is a problem that the visibility regarding the display content is always reduced.

  On the other hand, in the above embodiment, the display destination of all the contents is not uniformly changed from the touch panel 25 to the touch panel 75, but the display destination of only the high security content is selectively selected from all the contents. The touch panel 75 is changed. In short, the display destination is determined according to the content. More specifically, high security level content is displayed on the touch panel 75, while non-high security level content is displayed on the touch panel 25 that is relatively easy to see. Therefore, it is possible to solve the problem that the visibility related to the display content is always reduced as compared with the case where the display destinations of all the contents are uniformly changed from the touch panel 25 to the touch panel 75 of the mobile terminal 50. That is, it is possible to achieve cooperation between the image forming apparatus and the mobile terminal while suppressing a decrease in visibility regarding the content to be displayed.

  Thus, according to the above-described embodiment, it is possible to ensure the confidentiality of high-security content and to suppress the deterioration of the visibility related to the content to be displayed.

  In the above embodiment, the document in the box is exemplified as the file to be displayed on the touch panel 25. However, the present invention is not limited to this. For example, the file to be displayed on the touch panel 25 may be a document file stored in an external server (a server connected to the MFP 10 via a network) or the like.

  Moreover, in the said embodiment, although the character string which shows a general name (common noun etc.) is utilized as a reference character string for determination, it is not limited to this.

  For example, a character string including information for identifying an individual may be used as a reference character string for determination. More specifically, a character string indicating a personal name (such as a proper noun) may be used as a determination reference character string. Alternatively, a character string indicating personal information such as a telephone number may be used as the determination reference character string. Specifically, a character string (individual name and / or mobile phone number, etc.) registered in the address book list in the MFP may be used as a determination reference character string.

  Alternatively, an arbitrary character string registered in the character string list LS as shown in FIG. 9 may be used as the determination reference character string. FIG. 9 is a diagram showing a character string list LS registered in the image forming apparatus 10. The character string list LS is, for example, data similar to an address book, and is data in which names of individual persons and telephone numbers of individual persons are listed. By using a character string registered in such a character string list LS as a reference character string for determination, it is possible to ensure confidentiality of display target content including personal information.

  Moreover, in the said embodiment, although the mode which changes the display destination of the said display target content whenever the display target content is determined to be high security content is illustrated, it is not limited to this. For example, when the font size of the character of the display target content is smaller than a predetermined size (a predetermined number of points) (when the display dot size of the character is a predetermined number of dots (for example, 10 dots) or less), The display destination may not be changed. In other words, the font size of characters of the display target content (specifically, the average font size, the maximum font size, or the minimum font size) is larger than a predetermined size (for example, 8 points) (the character display dot size is predetermined). The display destination of the display target content may be changed on the condition that it is larger than the number of dots. When the size of the character indicating the display target content is smaller than a certain size, it is difficult to visually recognize the character even if the person is near the touch panel 25. Therefore, even if the display destination of the display target content is not changed, the secret state of the display target content can be maintained for the person.

  Moreover, although the high security level content is once displayed on the touch panel 25 and then moved to the touch panel 75 in the above embodiment, the embodiment is not limited thereto. For example, the high security level content may be displayed on the touch panel 75 without being displayed once on the touch panel 25. Specifically, when a user selects a desired document file from the file list as a display target file (also referred to as display target content), the security level of the display target content may be immediately determined. When it is determined that the display target content is high security level content, the high security level content may be displayed on the touch panel 75 immediately without being displayed on the touch panel 25 once.

  In the above embodiment, the display destination of the entire document to be displayed is changed from the touch panel 25 to the touch panel 75. However, the present invention is not limited to this. For example, instead of the entire document, the display destination of a part of the document (a certain range including a reference character string for determination) may be changed to the touch panel 75. In this way, the display destination of all the display target content may be changed, or the display destination of a part of the display target content (a part determined to be at the high security level) may be changed.

<2. Second Embodiment>
The second embodiment is a modification of the first embodiment. Hereinafter, the difference from the first embodiment will be mainly described.

  In the said 1st Embodiment, the aspect by which the display destination of the display object file selected from the file list is determined to either the touch panel 25 or the touch panel 75 based on the security level is illustrated.

  In the second embodiment, when the display target content includes an authentication information input screen, it is determined that the display target content is high security content, and the display destination of the display target content (that is, the authentication information input screen) is The touch panel 25 is changed to the touch panel 75. Examples of the authentication information input screen include a password input screen in security printing. Alternatively, the authentication information input screen may be an authentication information input screen at the time of login to the MFP 10.

  Note that “security printing” does not start print output immediately, but print data for print output is stored in a box (security document box) in the print output apparatus (MFP 10 or the like), and then authentication information is stored. Printing (such as “ID” and “password”) is started by using the operation panel of the MFP 10. According to this, it is possible to prevent the removal or mistaking by others.

  FIG. 10 is a diagram illustrating an example of a screen displayed on the touch panel 25 (for example, a password input screen 20 in security printing). Further, at the time of password input using such a screen (at the time of password input), for example, a screen similar to FIG. 6 (standby display screen) is displayed on the touch panel 75 of the portable terminal 50.

  When the MFP 10 detects that the display target content on the touch panel 25 is an authentication information input screen, the MFP 10 determines the display target content as “high security content”. Here, the authentication information input screen is an input screen for authentication information (password information or the like) that requires high confidentiality. Therefore, if it is determined that the content to be displayed on the touch panel 25 is an authentication information input screen, the content to be displayed (authentication information input screen) is determined as “high security content”.

  When the MFP 10 recognizes the display target content as high security content, the MFP 10 changes the display destination of the display content from the touch panel 25 to the touch panel 75. Specifically, the password input screen (authentication information input screen) is not displayed on the touch panel 25 as shown in FIG. 11, and the password input screen (authentication information input screen) GS21 is displayed on the touch panel 75 as shown in FIG. Is displayed. As shown in FIG. 11, on the touch panel 25 of the MFP 10, a dummy image GA21 including a character string such as “The password input screen is being displayed on the mobile terminal” is displayed instead of the display target content. .

  Thereafter, when the password input operation is completed, a completion display screen including a phrase such as “password accepted” is displayed on touch panel 25 and touch panel 75, respectively.

  Then, the display destination of the display target content is determined according to the security level of the next new display target content, and the display target content is displayed at the newly determined display destination.

  According to such an aspect, since the display destination of the “authentication information input screen”, which is high security content, is changed from the touch panel 25 to the touch panel 75, it is difficult for others to see the input content (password, etc.) by the user (knowledge). Can be difficult to do).

<3. Third Embodiment>
The third embodiment is a modification of the first embodiment. Hereinafter, the difference from the first embodiment will be mainly described.

  In the third embodiment, when a high security communication protocol such as HTTPS (Hypertext Transfer Protocol Secure) is used in the display target content acquisition process, it is determined that the display target content is high security content. A high security communication protocol such as HTTPS is a communication protocol having a higher security level (higher encryption level) than general HTTP (Hypertext Transfer Protocol). The display target content acquired by HTTPS or the like is determined to be high security content, and the display destination of the display target content is changed from the touch panel 25 to the touch panel 75.

  Here, as illustrated in FIG. 13, an example in which the MFP 10 accesses the server 90 using the HTTPS protocol when the document file is acquired is illustrated.

  When a user's desired file is selected as a display target file in a predetermined selection screen (file list screen or the like) in the touch panel 25, the MFP 10 downloads and acquires the display target file from the server 90 using the HTTPS protocol. To do.

  The display target file acquired by the HTTPS protocol is determined to be high security content. Then, the MFP 10 displays the document file (high security content) acquired by the HTTPS protocol on the touch panel 75 instead of the touch panel 25. In other words, the display destination of the document file acquired by the HTTPS protocol is changed from the touch panel 25 to the touch panel 75.

  According to such an aspect, the display target content acquired by the high security communication protocol is determined to be high security content, and the display target content is displayed on the touch panel 75 instead of the touch panel 25. Therefore, high security can be ensured.

  Here, an example in which the MFP 10 acquires a “display target document” from a predetermined server using the HTTPS protocol is illustrated, but the present invention is not limited to this. For example, when displaying various data acquired using the HTTPS protocol in a web browser application installed in the MFP 10, the display destination may be changed from the touch panel 25 to the touch panel 75.

<4. Fourth Embodiment>
In the fourth embodiment, a mode in which the display destination of the display target content is determined in consideration of the distance DS between the MFP 10 and the portable terminal 50 will be exemplified. Specifically, a mode in which the display destination of the display target content is changed on the condition that the distance DS between the MFP 10 and the portable terminal 50 is a predetermined distance D1 (for example, about several meters) or more is illustrated. Specifically, when the display target content is high security content and the distance DS is larger than the predetermined distance D1, the display destination of the display target content is changed from the touch panel 25 to the touch panel 75. According to this, when the user of the mobile terminal 50 operates the MFP 10 away from the MFP 10, it is possible to avoid a situation in which the content of the high security content is seen by another person existing in the vicinity of the MFP 10. .

  The distance DS between the MFP 10 and the portable terminal 50 may be calculated based on the radio field intensity measurement result by the MFP 10 or the like. For example, the distance DS may be calculated (estimated) based on the ratio of the current radio wave intensity to the maximum radio wave intensity. Specifically, a relatively large value is calculated as the distance DS as the radio wave intensity ratio decreases. The distance DS is a relatively small value DS1 when the radio wave intensity ratio is a relatively large value, and the distance DS is a relatively large value DS2 (> DS1) when the radio wave intensity ratio is a relatively small value.

  14 and 15 are diagrams showing how the display destination of the display target content is changed according to the distance DS between the MFP 10 and the portable terminal 50. FIG. In the following, it is assumed that the display target content is determined to be high security content. When it is determined that the display target content is not high security content, the display target content only needs to be displayed on the touch panel 25 at all times.

  As shown in the uppermost part of FIG. 15, when the distance DS between the MFP 10 and the portable terminal 50 is equal to or less than D1 (for example, D1 = 2 (meters)) (DS ≦ D1), the display target content (high security content) ) Is displayed on the touch panel 25 and is not displayed on the touch panel 75.

  When the MFP 10 and the portable terminal 50 are close to each other, an operating user who has the portable terminal 50 exists near the MFP 10. Therefore, here, it is considered that the operating user can confirm (monitor) whether or not a peek by a user other than the operating user has been performed, and the display of the high security content on the MFP 10 (touch panel 25) is continued. According to this, since the high security level content is displayed on the touch panel 25 that is relatively easy to see, high visibility can be obtained.

  On the other hand, as shown in the middle part of FIG. 15, when the mobile terminal 50 is in the communication area with the MFP 10 and the distance DS between the MFP 10 and the mobile terminal 50 is greater than D1 (DS> D1), the MFP 10 The content is not displayed on the touch panel 25 and is displayed on the touch panel 75. As described above, the display destination of the high security content is changed from the touch panel 25 to the touch panel 75 on condition that the MFP 10 and the portable terminal 50 are separated from each other by a distance greater than the predetermined distance DS. According to this, since the high security content is not displayed on the touch panel 25 when the MFP 10 and the portable terminal 50 are slightly separated from each other, it is possible to more appropriately secure the security regarding the display target content.

  As shown in the lower part of FIG. 15, when the distance DS between the MFP 10 and the portable terminal 50 is further increased and the portable terminal 50 leaves the communication area with the MFP 10, a display is displayed on the touch panel 75 of the portable terminal 50. The target content is not displayed. Further, the MFP 10 does not display the display target content on the touch panel 25. According to this, even when the MFP 10 and the portable terminal 50 are largely separated from each other, the high security content is not displayed on the touch panel 25, so that the security related to the display target content can be more appropriately ensured. In FIG. 15, the distance to the boundary outside the communication area with the MFP 10 is shown as a value D2.

<5. Modified example>
Although the embodiments of the present invention have been described above, the present invention is not limited to the contents described above.

  For example, in each of the above embodiments, the MFP is exemplified as the image forming apparatus. However, the present invention is not limited to this, and the image forming apparatus may be a single-function print output device (printer) or the like.

DESCRIPTION OF SYMBOLS 1 Image forming system 10 Image forming apparatus (MFP)
20 Operation panel 25 (MFP) touch panel 50 Mobile terminal 75 (Mobile terminal) touch panel FL File list LS Character string list NW Network

Claims (11)

An image forming apparatus,
A communication means capable of communicating with a mobile terminal;
First display means for displaying various contents;
Determining means for determining a security level of display target content that is content to be displayed on the first display means;
When it is determined that the display target content is high-security content having a security level equal to or higher than a predetermined level, the display target content is displayed from the first display unit to the display unit of the portable terminal. Display control means for changing to two display means;
An image forming apparatus comprising: The image forming apparatus according to claim 1.
It said determining means, on condition that a predetermined character string indicative of a high security content is included in the display-content, determines imaging and the display-content is in the high security content apparatus. The image forming apparatus according to claim 2.
The image forming apparatus, wherein the predetermined character string includes a character string indicating confidential information. The image forming apparatus according to claim 2.
The image forming apparatus, wherein the predetermined character string includes a character string indicating personal information. 5. The image forming apparatus according to claim 2, wherein:
The image forming apparatus according to claim 1, wherein the determination unit determines whether or not the predetermined character string is included in the display target content based on a character recognition processing result for the display target content. The image forming apparatus according to any one of claims 1 to 5,
An image forming apparatus, wherein the display destination of the display target content is changed on the condition that a font size of characters constituting the display target content is larger than a predetermined size. The image forming apparatus according to claim 1, wherein:
The determination unit determines that the display target content is the high security content when the display target content includes an authentication information input screen. The image forming apparatus according to any one of claims 1 to 7,
The determination unit determines the display target content as the high security content when the display target content is acquired by a high security communication protocol having a security level equal to or higher than a predetermined level . The image forming apparatus according to any one of claims 1 to 8,
The display control means changes the display destination of the display target content from the first display means to the second display on the condition that the image forming apparatus and the portable terminal are separated from each other by a distance greater than a predetermined distance. An image forming apparatus characterized in that the image forming apparatus is changed to a means. The image forming apparatus according to any one of claims 1 to 9,
When it is determined that the display target content is the high security content, the display control unit displays an image indicating that the display destination of the high security content has been changed on the first display unit. An image forming apparatus. In the computer built in the image forming device,
a) determining a security level of a display target content that is a content to be displayed on a first display unit that is a display unit of the image forming apparatus;
b) When it is determined that the display target content is high security content having a security level equal to or higher than a predetermined level, the display destination of the display target content is changed from the first display unit to the display unit of the portable terminal. Changing to second display means;
A program for running

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