JP5388310B2 - Mobile terminal and information display method - Google Patents

Description

  The present invention relates to a portable terminal having a touch panel and an information display method using the portable terminal.

  In a mobile terminal such as a mobile phone having a touch panel or a PDA (Personal Digital Assistant), a user performs an operation by touching an icon displayed on the screen. This icon is generally arranged at a predetermined position in the touch panel. For example, Japanese Patent Application Laid-Open No. 2004-280590 describes a touch panel input device in which GUI (Graphic User Interface) parts are displayed at fixed positions.

JP 2004-280590 A

  However, in recent years, the screen of the mobile terminal has become larger, and there is a problem that the operability with one hand is reduced. That is, when the user touches an icon placed at the corner of the screen by one-hand operation, the amount of movement of the finger increases, which makes it difficult to operate or the finger cannot reach in the first place. . The touch panel input device described in Patent Literature 1 does not correct the display positions of icons arranged in the corners as described above.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-described problems and provide a mobile terminal capable of improving the operability at the time of input operation in a mobile terminal having a touch panel and an information display method using the mobile terminal. To do.

In order to solve the above problems, a mobile terminal according to the present invention includes a touch panel that receives an input operation by a user, an operation determination unit that determines whether the input operation received by the touch panel is a predetermined input operation, Only an operation history storage unit that stores only an operation history of an input operation that is determined to be a predetermined input operation on the touch panel by the operation determination unit, and an input operation that is determined to be a predetermined input operation by the operation determination unit Based on the position determination means for determining the display position for displaying the part for receiving an operation from the user on the touch panel, and the operation reception part for displaying the operation reception part on the touch panel at the display position determined by the position determination means for the touch panel and a display control unit, the operation history, for a plurality of operations, the operation And information including the coordinates of definitive touch position is information for associating the date and time when the operation is performed, the position determination means to perform the determination of the display position on the basis of the operation history stored in the operation history storing means It is characterized by.

Similarly, in order to solve the above-mentioned problem, an information display method according to the present invention is an information display method using a mobile terminal having a touch panel, an input receiving step for receiving an input operation by a user on the touch panel, and an input An operation determination step for determining whether or not the input operation received by the reception step is a predetermined input operation, and only an operation history for the input operation determined to be the predetermined input operation on the touch panel by the operation determination step. Position determination for determining a display position for displaying a portion for accepting an operation from the user on the touch panel, based only on the operation history storing step to be stored and the input operation determined to be a predetermined input operation by the operation determination unit Display position determined by step and position determination step on touch panel An operation section for receiving the display control step of displaying the operation reception portion on the touch panel, operation history, associating information including a plurality of operation coordinates of the touch position on the operation, and a date and time when the operation is performed Information In the position determination step, the display position is determined based on the operation history stored in the operation history storage step .

With these configurations, a portion for accepting an operation from the user can be arranged at an optimal position where the user can easily touch based on the operation history information of a predetermined operation, so that the convenience of the operation for the user is improved. . Also, with this configuration, the amount of operation history to be stored for determining the display position is reduced, and the necessary storage capacity can be reduced.

  With this configuration, the amount of operation history to be stored for determining the display position is reduced, and the necessary storage capacity can be reduced.

  Moreover, in the portable terminal which concerns on this invention, it is preferable that an operation determination means determines as input operation which is not limited for the input area in a touch panel as predetermined | prescribed input operation.

  With this configuration, in order to determine the display position, an operation history that requires touching a specific place such as an icon is not used, but only an operation that is not limited to the input area is used. Therefore, it is possible to more accurately grasp the position where the user can easily touch, and as a result, it is possible to arrange the portion for accepting the operation from the user at the optimal position where the user can easily touch. Further improve.

  The mobile terminal according to the present invention further includes posture determination means for determining the posture of the mobile terminal, and the position determination means also includes information indicating the posture of the mobile terminal determined by the posture determination means in addition to the input operation. It is preferable to memorize.

  With this configuration, the operation history can be distinguished depending on whether the mobile terminal is used in the vertical or horizontal direction, and the optimum position of the part that receives the operation from the user in the vertical or horizontal direction of the mobile terminal is determined. be able to. Therefore, depending on whether the user is using the mobile terminal in the vertical or horizontal direction, the part that receives the operation from the user can be arranged at an optimal position where the user can easily touch. Therefore, the convenience of operation for the user is further improved.

  In addition, the mobile terminal according to the present invention further includes an operation hand determination unit that determines whether the user is performing an input operation with the left or right hand, and the position determination unit is operated by the operation hand determination unit in addition to the input operation. It is also preferable to store information indicating the determined hand of the user performing the input operation.

  With this configuration, the operation history can be distinguished depending on whether the user is performing an input operation with the left or right hand, and the optimum part for receiving an operation from the user when the user performs the input operation with the left and right hands. A position determination can be made. Therefore, depending on whether the user performs the input operation with the left hand or the right hand, the part that receives the operation from the user can be arranged at an optimal position where the user can easily touch. Therefore, the convenience of operation for the user is further improved.

  The mobile terminal according to the present invention further includes a contact area detection unit that detects a contact area between the user's finger and the touch panel, and the operation determination unit is an input operation in which an input operation by the user has a contact area greater than or equal to a predetermined value. It is preferable to determine whether or not there is.

  With this configuration, it is possible to determine whether the user is holding the terminal with one hand and performing a touch operation with the thumb, or whether the user is holding the terminal with one hand and performing a touch operation with a finger other than the thumb of the other hand. The position suitable for performing the operation with one hand can be determined more accurately.

  According to the mobile terminal of the present invention and the information display method using the mobile terminal, in a mobile terminal equipped with a touch panel, an optimum touch position for an individual user can be grasped, and an operation receiving part such as an icon is provided at the position. The convenience of operation can be improved by displaying.

It is a functional block diagram of the portable terminal which concerns on one Embodiment of this invention. It is a hardware block diagram of the portable terminal which concerns on one Embodiment of this invention. It is a figure which shows an example of the operation history storage table memorize | stored by the portable terminal which concerns on one Embodiment of this invention. It is a flowchart which shows the memory | storage process of the operation history memorize | stored by the portable terminal which concerns on one Embodiment of this invention. It is a flowchart which shows a shutter button display process at the time of utilization of the camera application with the portable terminal which concerns on one Embodiment of this invention. It is a flowchart which shows the determination process of the optimal display position of the icon in the portable terminal which concerns on one Embodiment of this invention. It is a screen transition image at the time of utilization of the camera application with the portable terminal which concerns on one Embodiment of this invention. It is a flowchart which shows the menu display process at the time of utilization of the browser application with the portable terminal which concerns on one Embodiment of this invention. It is an operation menu display image at the time of utilization of the browser application with the portable terminal which concerns on one Embodiment of this invention.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of a mobile terminal and a character input method using the mobile terminal according to the invention will be described with reference to the drawings.

  First, the configuration of the mobile terminal according to the present embodiment will be described. FIG. 1 is a functional block diagram of a mobile terminal according to an embodiment of the present invention. As shown in FIG. 1, the mobile terminal 100 according to the present embodiment includes a touch panel 1, an operation determination unit 4, an operation history storage unit 5, a posture determination unit 6, a holding method determination unit 7, a display position determination / notification unit 8, and an application 9. Is provided.

  The portable terminal 100 is configured by hardware shown in FIG. FIG. 2 is a hardware configuration diagram of the mobile terminal 100. As shown in FIG. 2, the portable terminal 100 shown in FIG. 1 physically includes a touch panel 1, a CPU 11, a RAM 12 and a ROM 13 that are main storage devices, a communication module 14 that is a data transmission / reception device, and an auxiliary device such as a semiconductor memory. The portable information terminal system includes a storage device 15 and the like. The functions described in FIG. 1 operate the touch panel 1 and the communication module 14 under the control of the CPU 11 by reading predetermined software on the hardware such as the CPU 11 and the RAM 12 shown in FIG. And by reading and writing data in the auxiliary storage device 15. Hereinafter, each functional block will be described based on the functional blocks shown in FIG.

  The touch panel 1 includes a touch sensor 2 and a display unit 3. The touch sensor 2 is a part that detects a position where the user is in contact with the touch panel 1 with a finger or a touch pen (stylus). Specifically, the touch sensor 2 is formed of a transparent material or the like so that the display screen is visible. It is a panel member attached to the surface of the display unit 3. As a method for detecting the contact position, there are a matrix switch method, a capacitance method, an optical method, a pressure-sensitive method, an electromagnetic induction method, and the like. When the touch sensor 2 detects the contact position of the user, the touch sensor 2 transmits position information of the start point and the end point of the contact operation to the operation determination unit 4. Note that the touch sensor 2 may transmit not only the start point and end point of the contact operation but also the position information of the intermediate locus. The display unit 3 is a part that presents various types of information received from the application 9 to the user, and is specifically a liquid crystal display, an organic EL display, or the like.

  The operation determination unit 4 functions as an operation determination unit, and an input operation performed by the user is a predetermined input operation, preferably an input operation on the touch panel 1 that is not limited to an input area, and specifically a scroll operation. It is determined whether the operation is a free region operation such as a flick operation, and the contact position on the touch panel 1 detected by the touch sensor 2 in the operation is transmitted to the operation history storage unit 5. The scroll operation is detected by, for example, detecting that the scroll process has been executed on the screen by performing a touch operation with a predetermined width, speed, or the like. Further, the flick operation is detected by detecting that the left / right switching of the screen has occurred. Note that the predetermined input operation determined by the operation determination unit 4 is not limited to the scroll operation and the flick operation, and may include other operations.

  The operation determination unit 4 preferably also determines whether the input operation by the user is an operation with the thumb. Here, whether or not the operation is performed with the thumb is determined based on the difference in the size of the contact area between the finger and the touch panel 1 when the operation is performed with the thumb and the operation other than the thumb. In this case, the operation determination unit 4 also functions as a contact area detection unit that detects a contact area between the user's finger and the touch panel 1.

  The operation history storage unit 5 functions as an operation history storage unit, and the mobile terminal 100 is used in either a vertical or horizontal posture determined by the contact position information transmitted from the operation determination unit 4 and the posture determination unit 6. In the operation history table by associating information indicating whether the user is performing an input operation with the left or right hand, and the date and time when the user performed the operation. Remember. A specific example of the operation history table stored in the operation history storage unit 5 is shown in FIG. This operation history table includes various information such as date and time, vertical and horizontal directions of the screen, start and end points of the touch position, and holding method. The operation history table may store not only the start point and end point of the touch position but also a locus in the middle.

  The posture determination unit 6 functions as posture determination means for determining whether the mobile terminal 100 is used in a vertical or horizontal direction, and specifically measures the gravitational acceleration of the earth using an acceleration sensor or the like. Thus, it is determined whether the portable terminal 100 is used in a vertical or horizontal direction.

  The holding method determination unit 7 functions as an operation hand determination unit that determines whether the user is performing an input operation with the left or right hand, and the orientation of the mobile terminal 100 determined by the posture determination unit 6; From the latest history stored in the operation history storage unit 5, for example, the latest three operation histories, how the user currently has the mobile terminal 100, for example, holding the mobile terminal 100 vertically with the left hand It is determined whether the mobile terminal 100 is held sideways with the right hand.

  The display position determination / notification unit 8 functions as a position determination unit, and includes the operation history stored in the operation history storage unit 5 and the current user terminal holding method determined by the holding method determination unit 7. From this, the optimum display position of the operation receiving part such as an icon or menu is determined, and the display position is notified to the application 9.

  The application 9 functions as an operation reception partial display control unit, and controls the display unit 3 to display icons and menus at positions determined and notified by the display position determination / notification unit 8.

  Next, regarding the operation of the mobile terminal 100 according to the present embodiment, FIG. 4 is a flowchart showing the storage process of the operation history stored in the mobile terminal 100. The operation history storing process will be described with reference to FIG.

  First, whether or not a touch operation has been performed on the touch panel 1 at regular time intervals is confirmed by the operation determination unit 4 (S1: input reception step). Return to S1). On the other hand, when the touch operation is performed on the touch panel 1, the operation determination unit 4 determines whether the touch operation is a scroll operation or a flick operation (S2: operation determination step). Here, the scroll operation is detected by detecting that the scroll process is executed on the screen by performing a touch operation with a predetermined width, speed, or the like, for example. Further, the flick operation is detected by detecting that the left / right switching of the screen has occurred.

  If the operation determination unit 4 determines that the touch operation is not a scroll operation or a flick operation, the process ends as it is, and the process returns to the touch detection process (S1) after waiting for a certain time.

  When the operation determination unit 4 determines that the touch operation is a scroll or flick operation, the operation determination unit 4 determines whether the touch operation is an operation with a thumb (S3). Here, whether or not the operation is performed with the thumb is determined based on the difference in the size of the contact area between the finger and the touch panel 1 when the operation is performed with the thumb and the operation other than the thumb. Note that if it is determined that the operation is performed with the thumb, if the operation is performed with a finger other than the thumb, the user holds the portable terminal 100 with one hand and touches with the finger other than the thumb of the other hand. This is because the operation is considered to be performed. In such a case, the hand on the operation side can move freely, so there is little need to adjust the position of the icon.

  When the operation determination unit 4 determines that the touch operation is not an operation with the thumb, the process ends as it is, and the process returns to the touch detection process (S1) after waiting for a predetermined time.

  On the other hand, when the operation determination unit 4 determines that the touch operation is an operation with the thumb, processing is performed by the posture determination unit 6 to determine whether the posture of the mobile terminal 100 is in the vertical or horizontal state ( S4). At this time, the holding method determination unit 7 determines whether the user is operating the portable terminal 100 with the left or right hand.

  Then, the operation history storage unit 5 stores the operation history (S5). Here, the coordinates of the start point and end point of the scroll operation or flick operation, the vertical or horizontal orientation of the mobile terminal 100, and information on whether the user is operating the mobile terminal 100 with the left or right hand are shown in FIG. Is memorized. When this storage process is completed, the process returns to the touch detection process (S1).

  An example of the icon display position optimization process based on the operation history stored as described above will be described below. First, a case where the display position of the shutter button is determined in the camera application will be described as an example. FIG. 5 is a flowchart showing shutter button display processing when the camera application is used on the mobile terminal 100. FIG. 6 is a flowchart illustrating a process for determining an optimal display position of an icon on the mobile terminal 100, and FIG. 7 is an explanatory diagram illustrating screen transition when the camera application is used on the mobile terminal 100.

  First, it demonstrates using FIG. First, the camera application is activated by the user (S11). Next, the focus of the camera is determined by touching the screen (S12). And the optimal display position information acquisition process (S13: position determination step) for displaying a shutter button in an optimal display position is performed. The optimum display position information acquisition process will be described later. When the optimal display position information acquisition process of the shutter button is performed, a process of displaying the shutter button at the acquired optimal display position is performed (S14: operation reception partial display control step).

  The optimum display position information acquisition process will be described in detail with reference to FIG. When the optimum display position information acquisition process is started, the posture determination unit 6 first determines whether the screen of the portable terminal 100 is used in the vertical or horizontal direction (S21). Next, by referring to the history of the most recent scroll operation or flick operation, it is determined whether the user is operating the mobile terminal 100 with either the left or right hand (S22). From these, it is determined whether the user is holding the mobile terminal 100 in either the vertical or horizontal orientation and with the left or right hand (S23).

  Then, optimum display position calculation / notification processing is performed (S24). Specifically, the operation history stored in the operation history storage unit 5 is referred to, and the average value of the operation locus is calculated based on the operation history. The calculated average value is notified to the camera application. Using this calculated average value, the display position of the shutter button is determined (S25).

  If the shutter button is displayed, a process for confirming whether or not the shutter button has been pressed for a short time is performed (S15). If it is determined that the shutter button has been pressed for a short time, the camera application performs shooting processing (S16). On the other hand, when it is determined that the shutter button has not been pressed for a short time, a process for confirming whether or not the shutter button has been pressed for a long time is performed (S17).

  If it is determined that the shutter button has been pressed long, a shutter button position correction process is performed (S18). In this process, the position of the shutter button is adjusted by the user dragging the shutter button. On the other hand, when it is determined that the shutter button has not been pressed for a long time, the process returns to the confirmation process (S15) for confirming whether the shutter icon has been pressed for a short time.

  An example of the screen transition of the mobile terminal 100 when the camera application is used by the above processing will be described with reference to FIG.

  FIG. 7A is an explanatory diagram illustrating the operation. At this time, if a scroll operation or a flick operation is performed, an operation history storage process is performed. In this way, it is possible to grasp the finger position that is easy for the user to use from the user's operation. FIG. 7B is an explanatory diagram showing an application selection scene. On this screen, icons for starting various applications such as a camera and a browser are displayed, and various applications are started when the user touches these icons. FIG. 7C is an explanatory diagram showing a state in which the camera application is activated. Here, a shutter button, which is a main button in the camera application, is arranged in a place where the user's finger can easily reach and be used.

  Next, as another example of the icon display position optimization process based on the stored operation history, a case where the display position of the operation menu is determined in the browser application will be described with reference to FIGS. 8 and 9. FIG. 8 is a flowchart showing menu display processing when the browser application is used on the mobile terminal 100, and FIG. 9 is an explanatory diagram of operation menu display when the browser application is used on the mobile terminal 100.

  First, the menu display process when using the browser application will be described with reference to FIG. First, the browser application is activated by the user (S31). Next, an optimum display position information acquisition process is performed (S32). This optimum display position information acquisition process is the same as that already described with reference to FIG.

  Here, if the optimal display position of the acquired operation menu overlaps with the display position of the anchor in the site, if the operation menu is displayed at that position, the anchor in the site will be hidden in the operation menu. There arises a problem that the anchor cannot be selected. Therefore, the following processes of S33 to S36 are performed.

  After the optimum display position information acquisition process (S32), it is confirmed whether or not the screen is tapped (S33). When the operation determination unit 4 determines that the screen has been tapped, the browser application performs a process indicating that the anchor in the site has been selected (S34). On the other hand, if the operation determination unit 4 determines that the screen is not tapped, it is confirmed whether a specific operation has been performed (S35). Here, the specific operation refers to, for example, an operation of pressing and holding the screen for a certain period of time, performing a double tap, or performing a quick swipe operation. When the operation determination unit 4 determines that the specific operation has been performed, the browser operation menu display at the optimal position is performed as shown in FIG. 9 based on the optimal display position information acquired in S32 (S36). In FIG. 9, browser operation menus such as back, forward, stop, and update are displayed at places where the user's finger can easily reach.

  Next, operations and effects of the mobile terminal 100 according to the present embodiment will be described. In the mobile terminal 100 according to the present embodiment, when an input operation by the user is performed on the touch panel 1, the operation determination unit 4 determines whether the input operation is a predetermined operation, preferably a scroll operation or a flick operation. Determined. Then, based on a predetermined operation, the display position determination / notification unit 8 determines an optimal display position such as an icon or a menu for receiving an operation from the user. Specifically, when determining the display position, after storing all the operations, a predetermined operation may be extracted from the stored operations, and the display position may be determined based on the extracted operations. Only a predetermined operation may be stored, and the display position may be determined based on the stored operation. The display position determined by the display position determination / notification unit 8 is notified to the application 9. The application 9 arranges icons and menus at the notified display position, and causes the display unit 3 to display the icons and menus.

With this configuration, icons and menus that are frequently used in various applications can be arranged at optimal positions that are easy for the user to touch based on the stored operation history information. improves.
In particular, when only the operation history for an input operation determined to be a predetermined input operation on the touch panel 1 is stored, the amount of operation history to be stored for determining the display position is reduced, which is necessary. The storage capacity can be reduced.

  Moreover, it is preferable that the operation determination part 4 determines as input operation which is not limited of the input area in a touch panel as predetermined input operation.

  With this configuration, the display position determination / notification unit 8 does not use an operation that needs to touch a specific place, for example, a touch of a specific icon or an operation of a scroll bar. The display position is determined based only on the scroll operation and the flick operation. Therefore, it is possible to more accurately grasp the position that the user can easily touch, and as a result, icons and menus that are frequently used in various applications can be placed at the optimal position that the user can easily touch. The convenience is further improved.

  In addition, the mobile terminal 100 further includes a posture determination unit 6 that determines the posture of the mobile terminal 100, specifically, whether it is used in a vertical or horizontal orientation, and the operation history storage unit 5 In addition to the history, it is preferable to store the attitude of the mobile terminal 100 when the operation is performed.

  With this configuration, the operation history can be distinguished depending on whether the mobile terminal 100 is used in the vertical or horizontal direction, and the optimal position of the icon or menu in the vertical or horizontal direction of the mobile terminal 100 can be determined. it can. Therefore, depending on whether the user uses the mobile terminal 100 in the vertical or horizontal direction, icons, menus, and the like that are frequently used in various applications can be arranged at an optimal position where the user can easily touch. Therefore, the convenience of operation for the user is further improved.

  In addition, the mobile terminal 100 further includes a holding method determination unit 7 that determines whether the user is performing the input operation with the left or right hand, and the operation history storage unit 5 includes the operation in addition to the contact position history. It is also preferable to memorize whether the user has performed the input operation with the left or right hand when the above is performed.

  With this configuration, the operation history can be distinguished depending on whether the user is performing an input operation with the left or right hand, and the optimal position of the icon or menu when the user performs the input operation with the left or right hand can be determined. It can be carried out. Therefore, depending on whether the user performs an input operation with the left or right hand, icons, menus, and the like that are frequently used in various applications can be arranged at optimal positions where the user can easily touch them. Therefore, the convenience of operation for the user is further improved.

  In addition, the mobile terminal 100 further includes a contact area detection unit that detects a contact area between the user's finger and the touch panel 1, and the operation determination unit is an input operation in which the input operation by the user has a contact area greater than or equal to a predetermined value. It is preferable to determine whether or not.

  With this configuration, it is possible to determine whether the user is holding the terminal with one hand and performing a touch operation with the thumb, or whether the user is holding the terminal with one hand and performing a touch operation with a finger other than the thumb of the other hand. Therefore, it is possible to determine a display position suitable for performing an operation with one hand more accurately.

  The portable terminal 100 and the information display method using the portable terminal 100 according to an embodiment of the present invention have been described with reference to the preferred embodiments, but the present invention is not limited to the above-described embodiment. .

  For example, in the above embodiment, the optimum display position information acquisition process is performed every time the application is started, and the optimum display position is calculated each time. However, the calculation of the optimum display position affects the operation response. In such a case, the calculation may be performed only once a day without performing such calculation processing every time the application is started, and the calculated optimal display position may be held.

  DESCRIPTION OF SYMBOLS 1 ... Touch panel, 2 ... Touch sensor, 3 ... Display part, 4 ... Operation determination part, 5 ... Operation history memory | storage part, 6 ... Attitude determination part, 7 ... Holding method determination part, 8 ... Display position determination / notification part, 9 ... Application, 11 ... CPU, 12 ... RAM, 13 ... ROM, 14 ... Communication module, 15 ... Auxiliary storage device, 100 ... Portable terminal.

Claims (6)

A touch panel that accepts user input operations;
Operation determining means for determining whether or not the input operation accepted by the touch panel is a predetermined input operation;
An operation history storage unit that stores only an operation history of an input operation that is determined to be a predetermined input operation on the touch panel by the operation determination unit;
Position determining means for determining a display position for displaying a portion for accepting an operation from the user on the touch panel, based only on the input operation determined to be a predetermined input operation by the operation determining means;
Operation receiving part display control means for displaying the operation receiving part on the touch panel at the display position determined by the position determining means on the touch panel;
Equipped with a,
The operation history is information that associates information including the coordinates of the touch position in the operation with respect to a plurality of operations and the date and time when the operation was performed,
Said position determining means, the portable terminal you characterized in that the determination of the display position based on the operation history stored in the operation history storage unit. The portable terminal according to claim 1 , wherein the operation determination unit determines that the input operation is not limited to an input area on the touch panel as the predetermined input operation. It further includes posture determination means for determining the posture of the mobile terminal,
It said position determining means, in addition to the input operation, the portable terminal according to claim 1 or 2, characterized in that information is also stored indicating the posture of the mobile terminal is determined by the posture determining section. An operation hand determination unit that determines whether the user is performing the input operation with the left or right hand;
It said position determining means, in addition to the input operation, the determined by the operating hand determination section, any user of claims 1 to 3, characterized in that information is also stored indicating the hand performing the input operation A portable terminal according to claim 1. A contact area detecting means for detecting a contact area between the user's finger and the touch panel;
It said operation determination means, the portable terminal according to claim 1, any one of 4 input operation by a user and judging whether or not the input operation having a contact area larger than a predetermined. An information display method using a mobile terminal having a touch panel,
An input accepting step for accepting an input operation by the user to the touch panel;
An operation determination step for determining whether or not the input operation accepted by the touch panel is a predetermined input operation;
An operation history storage step for storing only an operation history for the input operation determined to be a predetermined input operation on the touch panel by the operation determination step;
A position determination step for determining a display position for displaying a portion of the touch panel that receives an operation from the user, based on only the input operation determined to be the predetermined input operation by the operation determination step;
An operation reception part display control step for displaying the operation reception part on the touch panel at the display position determined by the position determination step on the touch panel;
Equipped with a,
The operation history is information that associates information including the coordinates of the touch position in the operation with respect to a plurality of operations and the date and time when the operation was performed,
In the position determination step, the display position is determined based on the operation history stored in the operation history storage step .

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