JP6394552B2 - User interface device - Google Patents

Description

  The present invention relates to a user interface device, and more particularly to a technique for using a modifier key on a software keyboard displayed on a touch panel that does not support multi-touch.

  In image forming apparatuses such as printers and multifunction peripherals, there are many examples in which a user interface device having hard keys (operation buttons) and a touch panel type display unit is mounted. For example, it is necessary to input address information to send scanned data by e-mail. However, if it is a touch-panel display unit, the software keyboard is displayed on the display unit and the user can input characters by touch operation. Convenient.

  When inputting upper case letters from the keyboard, it is necessary to press the English letter key while holding down the shift key. In the case of a multi-touch-compatible touch panel, in the same way as a hardware keyboard used on a PC, etc., an English capital letter etc. can be input by touching an English character key while touching a shift key displayed on the display portion of a software keyboard. Can do. For example, Patent Document 1 below discloses an image forming apparatus including an operation panel unit that can detect an operation with both hands.

JP 2014-119660 A

  By applying the technique disclosed in Patent Document 1, a plurality of shift keys and English character keys can be simultaneously pressed on a software keyboard. However, this has a function in which the display unit has a function corresponding to a multi-point press (multi-touch), and a function capable of accurately acquiring coordinates even when the touch panel accuracy is a multi-point press like a capacitive touch panel. Is a prerequisite. There are devices on the touch panel that do not support multiple point presses. Also, in the case of a resistive touch panel that supports multiple point pressing, it is generally difficult to specify an accurate coordinate position when multiple points are pressed.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to make it possible to use a modifier key such as a shift key even for a software keyboard displayed on a multi-touch non-compatible touch panel such as a resistive touch panel. And

A user interface device according to one aspect of the present invention includes a display unit having a touch panel function,
A plurality of hard keys arranged around the display unit;
A control unit that displays a predetermined input screen on the display unit and receives an input on the predetermined input screen by the touch panel function, and receives an input corresponding to an operation of the plurality of hard keys. ,
When the control unit displays the predetermined input screen on the display unit, at least one of the plurality of hard keys functions as a modification key for the predetermined input screen instead of the original function. then,
The control unit points to the hard key that functions as the modifier key and displays an image of an arrow indicating the type of the modifier key on the display unit,
In the case where images of the arrows are respectively displayed for at least two or more hard keys of the plurality of hard keys, the control unit allows the user to select one of the two or more arrow images. When it is detected that the image has been dragged to the position of another arrow image, the one arrow image is displayed at the display position of the other arrow image, and the other arrow image is displayed before the drag operation. The modifier key of the type that the image of the one arrow is displayed on the hard key associated with the image of the other arrow before the drag operation is replaced with the display position of the image of the one arrow. an allocation, assigning a modifier key type in which the image of the different arrows are displayed to the hard key associated with an image of the drag operation before the one of the arrow Than is.
For example, the predetermined input screen is a screen on which a software keyboard is displayed.

  According to the present invention, a modification key such as a shift key can be used even on a software keyboard displayed on a multi-touch non-touch panel such as a resistive touch panel.

1 is a perspective view illustrating an appearance of an image forming apparatus including a user interface device according to an embodiment of the present invention. It is a top view which shows the external appearance of the user interface apparatus which concerns on one Embodiment of this invention. 2 is a functional block diagram illustrating an example of a main internal configuration of the image forming apparatus. FIG. It is a flowchart which shows the modification key assignment process to a hard key. It is a figure which shows the example of a display screen when a character input column displayed on the display part is touched. It is a figure which shows the example of a display screen of a display part when the hard key allocated as a shift key is pressed down. It is a flowchart which shows operation | movement of the operation part when using a hard key as a modifier key. It is a figure which shows the example of a display screen when flicking a display screen to the right, when using the hard key of a display part left as a modifier key. It is a figure which shows the example of a display screen when the arrow which points to the hard key of the display part left is touched. It is a figure which shows the example of a display screen when the arrow which points to the hard key of the display part left is dragged. It is a figure which shows the example of a display screen when the arrow which points to the hard key of the display part left is switched. It is a figure which shows the example of a display screen when flicking up a display screen when using the hard key under a display part as a decoration key. It is a figure which shows the example of a display screen when the arrow which points to the hard key under a display part is touched. It is a figure which shows the example of a display screen when the arrow which points to the hard key under a display part is dragged. It is a figure which shows the example of a display screen when the arrow which points to the hard key under a display part changes. It is a figure which shows the example of a display screen when the hard key which does not function as a decoration key is pressed.

  Hereinafter, a user interface device and an image forming apparatus according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view illustrating an appearance of an image forming apparatus including a user interface device according to an embodiment of the present invention.

  An image forming apparatus 1 according to an embodiment of the present invention is a multifunction machine having a plurality of functions such as a facsimile function, a copy function, a printer function, and a scanner function. As shown in FIG. 1, the image forming apparatus 1 includes an apparatus main body 2, an image reading unit 5 disposed above the apparatus main body 2, and a connecting unit provided between the image reading unit 5 and the apparatus main body 2. 3.

  A housing 7 that forms the outline of the image forming apparatus 1 accommodates a plurality of constituent devices for realizing various functions of the image forming apparatus 1. For example, the housing 7 accommodates an image reading unit 5, an image forming unit 12 (FIG. 3), a fixing unit 13 (FIG. 3), a paper feeding unit 30, and the like.

  The image reading unit 5 is an ADF (Auto Document Feeder) having a document conveyance unit 6 and a scanner that optically reads a document conveyed by the document conveyance unit 6 or a document placed on a contact glass (not shown). is there. The image reading unit 5 obtains an image to be an image forming target by reading one document at a time for facsimile transmission.

  The image forming unit 12 includes a photosensitive drum, a charging device, an exposure device, a developing device, and a transfer device, and is sent from an image read by the image reading unit 5, a personal computer connected to a network, or another facsimile device. An image is formed (printed) on the recording paper supplied from the paper supply unit 30 using the print target data that comes. The recording paper on which the image has been formed is discharged to the discharge tray 4 after undergoing a fixing process by the fixing unit 13.

  The operation unit 47 is a user interface device for a user to operate the image forming apparatus 1 and input information such as characters and numbers.

  FIG. 2 is a plan view showing the appearance of the operation unit 47 as a user interface device according to an embodiment of the present invention. In the present embodiment, the operation unit 47 and the control unit 100 correspond to the user interface device in the claims.

  The operation unit 47 includes a touch panel type display unit 473 that displays operation guidance and the like to the user. For example, icons such as “copy”, “scan”, “FAX”, “user box”, “USB memory”, and “browser” are displayed on the display unit 473 as an initial menu screen. The user can operate the image forming apparatus 1 by calling a desired function by touching an arbitrary icon displayed on the display unit 473. Note that the display operation of the display unit 473 is controlled by the control unit 100 described later.

  A plurality of hard keys 81 a to 81 h are disposed around the display unit 473. Specifically, three hard keys 81a to 81c (“auto color”, “full color”, “black and white”) are displayed on the left side of the display unit 473, and a hard key 81d (“home”) is displayed on the lower left side of the display unit 473. Under the section 473, four hard keys 81e to 81h ("Enter", "Menu", "Start", "Reset") are arranged.

  The hard keys 81a to 81c are keys for receiving an instruction to select a color mode when using the copy function of the image forming apparatus 1, and include monitor lamps 82a to 82c. For example, when “automatic color” is selected by pressing the hard key 81a during copying, the control unit 100 turns on the monitor lamp 82a.

  Next, the configuration of the image forming apparatus 1 will be described. FIG. 3 is a functional block diagram illustrating a main internal configuration example of the image forming apparatus 1.

  The image forming apparatus 1 includes a control unit 10. The control unit 10 includes a CPU (Central Processing Unit), a RAM, a ROM, a dedicated hardware circuit, and the like.

  The image reading unit 5 includes a reading mechanism having a light irradiation unit, a CCD sensor, and the like under the control of the control unit 10. The image reading unit 5 irradiates the document with the light irradiating unit and receives the reflected light with the CCD sensor, thereby reading the image from the document. The image reading unit 5 can read the image of the document conveyed by the document conveying unit 6 with a set reading size.

  The image processing unit 31 performs image processing on the document image read by the image reading unit 5 as necessary. For example, the image processing unit 31 performs predetermined image processing such as shading correction in order to improve the quality after the image read by the image reading unit 5 is formed by the image forming unit 12.

  The image memory 32 is an area for temporarily storing a document image obtained by reading by the image reading unit 5 or temporarily storing an image to be subjected to image formation by the image forming unit 12.

  The image forming unit 12 forms an image such as a document image read by the image reading unit 5 and print data received from the network-connected computer 200.

  The fixing unit 13 performs a fixing process of heating the recording paper on which the image (toner image) is formed on the surface by the image forming process of the image forming unit 12 and recording and fixing the image by thermocompression bonding.

  The operation unit 47 receives instructions from the user regarding various operations and processes that can be executed by the image forming apparatus 1. The operation unit 47 includes a display unit 473 that displays operation guidance for the user and the like, and a plurality of hard keys 81 (hard keys 81a to 81h in FIG. 2). The display unit 473 has a touch panel function.

  The facsimile communication unit 71 includes an unillustrated encoding / decoding unit, modulation / demodulation unit, and NCU (Network Control Unit), and performs facsimile transmission / reception using a public telephone line network.

  The network interface unit 91 includes a communication module such as a LAN board, and transmits / receives various data to / from the computer 200 in the local area via a LAN connected to the network interface unit 91.

  The HDD 92 is a large-capacity storage device that stores document images and the like read by the image reading unit 5.

  The driving motor 70 is a driving source that applies a rotational driving force to each rotating member, a conveyance roller pair, and the like in the image forming unit 12, the fixing unit 13, and the like.

  The control unit 10 includes a CPU (Central Processing Unit), a RAM, a ROM, a dedicated hardware circuit, and the like. The control unit 10 includes a control unit 100.

  The control unit 100 governs overall operation control of the image forming apparatus 1. The control unit 100 includes an image reading unit 5, a document conveying unit 6, an image processing unit 31, an image memory 32, an image forming unit 12, a fixing unit 13, an operation unit 47, a display unit 473, a facsimile communication unit 71, and a network interface unit 91. , And an HDD (Hard Disk Drive) 92 and the like, and performs drive control of these units. In particular, the control unit 100 displays a software keyboard on the display unit 473, and accepts an input of an operation performed by the user performed on the software keyboard via a touch panel function. The screen on which the software keyboard is displayed on the display unit 473 is an example of a predetermined input screen in the claims. However, the predetermined input screen is not limited to the screen on which the software keyboard is displayed.

  Next, control of the operation unit 47 (user interface device) by the control unit 100 will be described. FIG. 4 is a flowchart showing a process for assigning a modifier key to a hard key. FIG. 5 is a diagram illustrating an example of a display screen when a character input field displayed on the display unit is touched. Note that an operation of touching each image on the display screen of the display unit 473 is detected by the touch panel function, and an instruction input associated with the operated image is received by the control unit 100.

  For example, when the user touches the “browser” icon ic1 on the initial menu screen (FIG. 2) displayed on the display unit 473, the control unit 100 accepts a browser activation instruction via the touch panel function, activates the browser, A display screen indicating the browser is displayed on the display unit 473, and a character input field 84 is further displayed on the display screen of the browser. When detecting that the user has touched the character input field 84 (YES in S1), the control unit 100 displays the software keyboard 83 on the display unit 473 (S2). The software keyboard 83 is a keyboard including alphanumeric keys, symbol keys, cursor keys, conversion keys, and the like, and the control unit 100 accepts key input when the user touches any key.

  When the control unit 100 displays the software keyboard 83 on the display unit 473, the control unit 100 displays a confirmation screen 85 as to whether or not a predetermined hard key functions as a modifier key on the display unit 473, for example, in a pop-up window. Wait for user response. The modifier keys are a shift key, a control (Ctrl) key, and an Alt key.

  In this embodiment, the modifier key assignment candidates are the “auto color” hard key 81a, the “full color” hard key 81b, and the “monochrome” hard key 81c. These hard keys are used when the copy function is used, and are preferable because they are unnecessary when using the browser.

  When the user touches the “Yes” button on the confirmation screen 85 (YES in S4), the control unit 100 erases the confirmation screen 85, assigns a modifier key to the hard keys 81a to 81c, and assigns the hard keys 81a to 81c to the original. It is made to function as a modifier key of the software keyboard 83 instead of the above function (S5). That is, the control unit 100 temporarily changes each instruction input from the hard keys 81a to 81c based on the operation of the hard keys 81a to 81c by the user, such as characters and functions input by the software keyboard 83. Accept as an instruction.

  In the present embodiment, for example, the control unit 100 assigns an alto key to the hard key 81a, a control key to the hard key 81b, and a shift key to the hard key 81c. Further, the control unit 100 turns on the monitor lamps 81a to 81c of the hard keys 81a to 81c that function as the modifier keys (S6).

  FIG. 6 is a diagram illustrating a display screen example of the display unit when a hard key assigned as a shift key is pressed. For example, since the “monochrome” hard key 81c functions as a shift key, when the user presses the “monochrome” hard key 81c, the control unit 100 switches the display mode of each key of the software keyboard 83, for example, the display color.

  It is also possible to assign a modifier key to a hard key other than the hard keys 81a to 81c.

  Next, processing by the user interface device when a hard key is used as a modifier key will be described. FIG. 7 is a flowchart showing processing by the user interface device when a hard key is used as a modifier key.

  When a hard key is used as a modifier key as described above, the user needs to remember which hard key is assigned as which type of modifier key. It is desirable to be able to confirm. Therefore, when the control unit 100 detects that the user performs a flick operation on the display screen of the display unit 473 on which the software keyboard 83 is displayed (YES in S11), the control unit 100 uses the display screen as a modifier key. An image of an arrow indicating a hard key to be operated is displayed on the display unit 473 (S12). Note that the display timing of an image of an arrow indicating a hard key that functions as a modifier key is not limited to when a flick operation is detected. For example, the control unit 100 may display the image of the arrow together with the software keyboard 83 when displaying the software keyboard 83 on the display unit 473.

  FIG. 8 is a diagram showing a display screen example when the display screen is flicked to the right in FIG. 8 when a hard key on the side (left side in FIG. 8) of the display unit is used as a modifier key. When the left hard keys 81a to 81c of the display unit 473 are used as modifier keys, when the user flicks the display screen to the right in FIG. 8, the control unit 100 moves the display area of the display screen to the right. Three left-pointing arrows 86a to 86c indicating the hard keys 81a to 81c are displayed on the display unit 473 in the vacant areas. The arrow 86a indicates that the Alt key is assigned to the hard key 86a, the arrow 86b indicates that the control key is assigned to the hard key 86b, and the arrow 86c indicates that the shift key is assigned to the hard key 86c. Represent.

  If the display screen shown in FIG. 8 is flicked to the left in FIG. 8, the control unit 100 shifts the display area of the display screen to the left, ends the display of the arrows 86a to 86c, and returns the display screen to the original state. Return to the state shown in FIG.

  FIG. 12 is a diagram showing a display screen example when the user flicks the display screen upward in FIG. 12 when the hard key below the display unit is used as a modifier key. In the case where the hard keys 81e to 81g below the display unit 473 in FIG. 12 are used as modifier keys, when the user flicks the display screen upward, the control unit 100 displays the display area of the display screen in FIG. The display unit 473 displays the arrows 86e to 86g, which are three downward arrow images indicating the hard keys 81e to 81g in the vacant areas. An arrow 86e indicates that the Alt key is assigned to the hard key 86e, an arrow 86f indicates that the control key is assigned to the hard key 86f, and an arrow 86g indicates that the shift key is assigned to the hard key 86g. Represent.

  When the display screen shown in FIG. 12 is flicked downward, the control unit 100 shifts the display screen downward in FIG. 12, ends the display of the arrows 86e to 86g, and returns the display screen to the original state (FIG. 6). Return to the state shown in.

  As shown in FIGS. 8 and 12, when an arrow indicating a hard key to function as a modifier key is displayed on the display unit 473, the user touches any of the arrows 86a to 86c and the arrows 86e to 86g. When it is detected (YES in S13), the control unit 100 switches whether or not to make the hard key indicated by the touched arrow function as a modifier key (S14).

  FIG. 9 is a diagram illustrating an example of a display screen when the user touches an arrow indicating a hard key on the side (left side in FIG. 9) of the display unit. For example, when the user touches the arrow 86c, the control unit 100 causes the arrow 86c to be grayed out and cancels the assignment of the shift key to the hard key 81c. In other words, the control unit 100 does not accept each instruction input from the touched hard key 81c as an instruction to temporarily change characters or functions input from the software keyboard 83. The hard key 81c does not function as a shift key. The control unit 100 turns off the monitor lamp 82c.

  If the user touches the arrow 86c again in the state of FIG. 9, the control unit 100 sets the arrow 86c to active display and assigns a shift key to the hard key 81c. The control unit 100 causes the hard key 81c to function as a shift key and turns on the monitor lamp 82c.

  FIG. 13 is a diagram showing an example of a display screen when the user touches an arrow image indicating a hard key in the downward direction of the display unit in FIG. For example, when the user touches the arrow 86g, the control unit 100 grays out the arrow 86g and cancels the assignment of the shift key to the hard key 81g. That is, the hard key 81g does not function as a shift key.

  If the user touches the arrow 86g again in the state of FIG. 13, the control unit 100 sets the arrow 86g to active display and assigns a shift key to the hard key 81g. That is, the hard key 81g functions as a shift key.

  As shown in FIGS. 8 and 12, when an arrow indicating a hard key that functions as a modifier key is displayed on the display unit 473, the control unit 100 allows the user to drag one arrow to the position of another arrow. When it is detected that it has been operated (YES in S15), the assignment of the modifier keys of the type indicated by the respective arrows to the hard keys is changed (S16).

  FIG. 10 is a diagram illustrating an example of a display screen when an arrow image indicating a hard key is dragged. FIG. 11 is a diagram illustrating an example of a display screen when each arrow image indicating a hard key is switched. For example, when the user drags the arrow 86c to the position of the arrow 86b (FIG. 10), the control unit 100 switches the display positions of the arrow 86b and the arrow 86c (FIG. 11) and assigns the hard keys 81b and the modifier keys assigned to the hard keys 81c. Replace. That is, the control unit 100 assigns a control key to the hard key 81c and assigns a shift key to the hard key 81b. However, the control unit 100 displays the arrow 86c in gray out and cancels the assignment of the shift key to the hard key. The control unit 100 turns off the monitor lamp 82b of the hard key 81b. The hard key 81b does not function as a shift key.

  FIG. 14 is a diagram illustrating an example of a display screen when the user performs a drag operation on an arrow image indicating a hard key in the downward direction of the display unit in FIG. FIG. 15 is a diagram illustrating an example of a display screen when each arrow image indicating a hard key is switched. For example, when the user drags the arrow 86g to the display position of the arrow 86f (FIG. 14), the control unit 100 switches the display positions of the arrow 86f and the arrow 86g, and also replaces the hard keys 81f and the modifier keys assigned to the hard keys 81g ( FIG. 15). That is, the control unit 100 assigns a control key to the hard key 81g and assigns a shift key to the hard key 81f. However, the control unit 100 displays the arrow 86g in gray out and cancels the assignment of the shift key to the hard key. The hard key 81f does not function as a shift key.

  When the user misunderstands and presses a hard key to which no modifier key is assigned as a modifier key, the control unit 100 receives an original instruction to be input by the hard key. The display of the unit 473 is suddenly switched or the image forming apparatus 1 performs an unexpected operation.

  For example, the modifier key is not assigned to the “reset” hard key 81h in the above example, but if the user misunderstands and presses the hard key 81h as a shift key, the control unit 100 inputs the character input field 84. There is a risk of deleting erased characters. Therefore, when the control unit 100 receives an input of an instruction from a hard key that does not function as a modifier key (YES in S17), the control unit 100 displays an alert on the display unit 473 before executing the function assigned to the hard key. (S18).

  FIG. 16 is a diagram illustrating an example of a display screen when a hard key that does not function as a modifier key is pressed. For example, in the case where the hard keys 81e to 81g are used as the modifier keys, when the “reset” hard key 81h is pressed by the user, the control unit 100 displays an alert 87 as shown in the example of FIG. Is displayed. Accordingly, the user can predict the future operation of the image forming apparatus 1 by confirming the alert 87. When the user presses cancel (“No”) or continue (“Yes”), the control unit 100 receives a corresponding instruction and executes a process indicated by the received instruction.

  If no character is entered in the character input field 84, the control unit 100 is assigned to the hard key without displaying the alert 87 when a hard key that does not function as a modifier key is pressed. May perform the function. In addition, the control unit 100 does not execute the function assigned to the hard key when the hard key that is not allowed to function as the modifier key is pressed once, and when the hard key is pressed twice, the alert 87. The function assigned to the hard key may be executed without displaying.

  As described above, according to the present embodiment, the display unit 473 is a multi-touch non-resistive touch panel, for example, by allowing unused hardware keys to function as modifier keys of the software keyboard 83 instead of the original functions. However, the modifier keys can be used on the software keyboard 83.

  The present invention is not limited to the configuration of the above embodiment, and various modifications can be made. For example, when a help key of a hard key or a soft key is provided and the corresponding help key is pressed or touched and a corresponding instruction is received by the control unit 100, the control unit 100 is shown in FIG. 8 or FIG. As described above, the display screen of the display unit 473 on which the software keyboard 83 is displayed may be shifted so that an arrow image indicating a hard key to function as a modifier key is displayed on the display unit 473.

  In addition, when the controller 100 is operating a hard key as a modifier key as described above and a predetermined operation is performed, for example, a double click operation by the user is performed on the display screen of the display unit 473. When the touch panel function detects that the operation is performed in any one of the above areas, the state in which the hard key functions as a modifier key may be released. At this time, when a double-click operation by the user is detected in the display area of the arrow image on the display screen by the touch panel function, the control unit 100 detects the hardware associated with the arrow image on which the double-click operation has been performed. You may make it cancel the state which functions as a decoration key about a key.

  In the above embodiment, a color multifunction peripheral is described as an embodiment of the image forming apparatus according to the present invention. However, this is only an example, and the present invention can be applied to other electronic devices. Is possible.

  Moreover, the structure and process shown by the said embodiment using FIG. 1 thru | or FIG. 16 are only one Embodiment of this invention, and are not the meaning which limits this invention to the said structure and process. The present invention is not limited to the configuration of the above embodiment, and various modifications can be made.

DESCRIPTION OF SYMBOLS 1 Image forming apparatus 12 Image forming part 47 Operation part (user interface apparatus)
473 Display part 81a-81h Hard key 82a-82c Monitor lamp 83 Software keyboard 86a-86g Arrow 87 Alert 100 Control part

Claims (8)

A display unit having a touch panel function;
A plurality of hard keys arranged around the display unit;
A control unit that displays a predetermined input screen on the display unit and receives an input on the predetermined input screen by the touch panel function, and receives an input corresponding to an operation of the plurality of hard keys. ,
When the control unit displays the predetermined input screen on the display unit, at least one of the plurality of hard keys functions as a modification key for the predetermined input screen instead of the original function. then,
The control unit points to the hard key that functions as the modifier key and displays an image of an arrow indicating the type of the modifier key on the display unit,
In the case where images of the arrows are respectively displayed for at least two or more hard keys of the plurality of hard keys, the control unit allows the user to select one of the two or more arrow images. When it is detected that the image has been dragged to the position of another arrow image, the one arrow image is displayed at the display position of the other arrow image, and the other arrow image is displayed before the drag operation. The modifier key of the type that the image of the one arrow is displayed on the hard key associated with the image of the other arrow before the drag operation is replaced with the display position of the image of the one arrow. an allocation, assigning a modifier key type in which the image of the different arrows are displayed to the hard key associated with an image of the drag operation before the one of the arrow Over-user interface device. A display unit having a touch panel function;
A plurality of hard keys arranged around the display unit;
A control unit that displays a software keyboard on the display unit and receives input from the software keyboard by the touch panel function, and receives inputs according to operations of the plurality of hard keys;
When the control unit displays the software keyboard on the display unit, the control unit causes at least one of the plurality of hard keys to function as a modification key of the software keyboard instead of an original function ,
The control unit points to the hard key that functions as the modifier key and displays an image of an arrow indicating the type of the modifier key on the display unit,
In the case where images of the arrows are respectively displayed for at least two or more hard keys of the plurality of hard keys, the control unit allows the user to select one of the two or more arrow images. When it is detected that the image has been dragged to the position of another arrow image, the one arrow image is displayed at the display position of the other arrow image, and the other arrow image is displayed before the drag operation. The modifier key of the type that the image of the one arrow is displayed on the hard key associated with the image of the other arrow before the drag operation is replaced with the display position of the image of the one arrow. an allocation, assigning a modifier key type in which the image of the different arrows are displayed to the hard key associated with an image of the drag operation before the one of the arrow Over-user interface device. When the touch operation to the arrow image is detected by the touch panel function, the control unit switches whether or not to make the hard key associated with the arrow image function as a modifier key. When it is functioning, the arrow image is displayed as active, and when it is not functioning as a modifier key, the arrow image is displayed as non-active display.
The control unit displays the image of the one arrow that has been dragged as a display that is not an active display, and the image of the one arrow on the hard key associated with the image of the other arrow before the drag operation. There the user interface device of claim 1 or claim 2 unassign type of modification keys displayed. The plurality of hard keys have monitor lamps;
The control unit turns on a monitor lamp of the hard key that functions as the modifier key among the plurality of hard keys ,
When the controller cancels the assignment of the type of modifier key displayed by the one arrow image to the hard key associated with the other arrow image before the drag operation, The user interface device according to claim 3 , wherein the key monitor lamp is turned off . Wherein, in response to the the flick operation detected by the touch panel function, an image before Canon indicia, user interface device according to any one of claims 1 to 4 to be displayed on the display unit. Wherein, when the hard key that does not function as the modifier key among the plurality of hard keys is pressed, the user interface according to any one of claims 1 to 5 and displays an alert on the display unit apparatus. The user interface device according to any one of claims 1 to 6 , wherein the control unit cancels a state in which the hard key functions as a modifier key when a predetermined operation is performed. The user interface device according to claim 7 , wherein the control unit cancels the state in which the predetermined operation is double-clicked and the hard key functions as a modifier key.

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