JP2012095158A - Portable electronic apparatus, control method, and control program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the convenience of users.SOLUTION: A portable telephone terminal (portable electronic apparatus) 1 includes a first housing having a touch panel 2, a second housing having a touch panel 3, and a main control part 10 controlling the information display on the touch panel 2 and the touch panel 3. The main control part 10 activates a function corresponding to a selected icon, from among icons displayed on the touch panel 2, and displays a screen corresponding to the function on the touch panel 3 when the portable electronic apparatus 1 changes from a first mode, in which the first housing and the second housing are overlapped so that the first housing covers the touch panel 3 while keeping the touch panel 2 exposed to the exterior, to a second mode in which the touch panel 2 and the touch panel 3 are exposed to the exterior.

Description

  The present invention relates to a portable electronic device, a control method, and a control program.

  In recent years, touch panels have been widely used to realize small portable electronic devices that can be operated intuitively and do not include devices that require a physically large area such as a keyboard. Yes. Further, in Patent Document 1, there are two touch panels, and the touch panel is displaced to either an open state in which two touch panels are exposed or a closed state in which only one touch panel is exposed. There has been proposed a mobile phone terminal that makes a call in response to a displacement to a state.

JP 2009-164794 A

  Although the prior art described in the above-mentioned Patent Document 1 can improve the convenience of the user regarding the operation related to the call, the operation related to other functions of the portable electronic device is not particularly taken into consideration. In recent years, portable electronic devices are provided with various functions, and there is a demand for improving the convenience of users for operations of functions other than telephone calls.

  The present invention has been made in view of the above, and an object of the present invention is to provide a portable electronic device, a control method, and a control program that can improve user convenience.

  In order to solve the above-described problems and achieve the object, the present invention provides a first casing having a first display section, a second casing having a second display section, and the first casing. A portable electronic device comprising: a display unit; and a control unit that controls display of information on the second display unit, wherein the control unit causes the portable electronic device to expose the first display unit to the outside. From the first configuration in which the first housing and the second housing overlap so that the first housing covers the second display portion, the first display portion and the second display portion When the second display unit changes to the second form exposed to the outside, the function corresponding to the selected icon among the icons displayed on the first display unit is activated, and the function A screen corresponding to is displayed on the second display unit.

  Here, the control unit executes a function corresponding to the screen displayed on the second display unit when the portable electronic device changes from the second mode to the first mode. If it is in such a state, it is preferable that the function is interrupted and an icon indicating that the function is interrupted is displayed on the first display unit.

  In addition, the control unit is an icon indicating that the selected function is interrupted when the portable electronic device changes from the first form to the second form. If there is, it is preferable to restart the function corresponding to the icon and display the screen corresponding to the function on the second display unit.

  Further, it is preferable that the control unit deletes the icon from the first display unit after resuming the function corresponding to the icon indicating that the interruption is in progress.

  Moreover, it is preferable that the said control part displays the information regarding the function corresponding to the said icon on the said 1st display part, when the icon currently displayed on the said 1st display part is selected.

  In addition, when a predetermined operation on the icon displayed on the first display unit is detected, the control unit activates a function corresponding to the icon, and displays a screen corresponding to the function. Is preferably displayed on the display unit.

  In order to solve the above-described problems and achieve the object, the present invention provides a first housing having a first display portion, a second housing having a second display portion, and the first housing. And a control unit that controls display of information on the second display unit, wherein the portable electronic device exposes the first display unit to the outside. From the first configuration in which the first housing and the second housing overlap so that the first housing covers the second display portion, the first display portion and the second display portion The step of detecting that the second display unit has changed to the second form exposed to the outside, and the first display unit when it is detected that the portable electronic device has changed to the second form Activate the function corresponding to the selected icon among the icons displayed on the Characterized in that it comprises a step of displaying a screen corresponding to the second display unit.

  In order to solve the above-described problems and achieve the object, the present invention is a control program, which is a first casing having a first display unit and a second casing having a second display unit. In a portable electronic device comprising a housing and a control unit that controls display of information on the first display unit and the second display unit, the portable electronic device exposes the first display unit to the outside. From the first configuration in which the first housing and the second housing overlap so that the first housing covers the second display portion, the first display portion and The step of detecting that the second display unit has changed to a second form exposed to the outside, and the first display when it is detected that the portable electronic device has changed to the second form Activate the function corresponding to the selected icon among the icons displayed in the Characterized in that and a step of displaying a screen corresponding to the function to the second display unit.

  INDUSTRIAL APPLICABILITY The portable electronic device, the control method, and the control program according to the present invention have an effect of improving user convenience.

FIG. 1 is a perspective view of a mobile phone terminal in a first form. FIG. 2 is a perspective view of the mobile phone terminal in the second embodiment. FIG. 3 is a diagram illustrating an example in which a function is activated in conjunction with a change in form. FIG. 4 is a diagram illustrating an example in which a function is interrupted in conjunction with a change in form. FIG. 5 is a diagram illustrating an example of resuming a function in conjunction with a change in form. FIG. 6 is a diagram illustrating an example of resuming the suspended function on the upper screen. FIG. 7 is a diagram illustrating an example of displaying an explanation regarding icons. FIG. 8 is a diagram illustrating another example in which an explanation regarding icons is displayed. FIG. 9 is a block diagram showing a functional configuration of the mobile phone terminal. FIG. 10 is a diagram illustrating an example of icon data. FIG. 11 is a flowchart illustrating a processing procedure when an operation on an icon is detected on the upper screen. FIG. 12 is a flowchart showing a processing procedure when the form of the mobile phone terminal is changed.

  Hereinafter, the present invention will be described in detail with reference to the drawings. The present invention is not limited to the following description. In addition, constituent elements in the following description include those that can be easily assumed by those skilled in the art, those that are substantially the same, and those in a so-called equivalent range. In the following, a mobile phone terminal will be described as an example of the mobile electronic device, but the application target of the present invention is not limited to the mobile phone terminal, and various devices including a touch panel, for example, PHS (Personal Handyphone System), The present invention can also be applied to PDAs, portable navigation devices, personal computers, game machines, and the like.

(Embodiment)
First, with reference to FIG. 1 and FIG. 2, an appearance of a mobile phone terminal 1 that is an embodiment of a mobile electronic device according to the present invention will be described. FIG. 1 is a perspective view of the mobile phone terminal 1 in the first form, and FIG. 2 is a perspective view of the mobile phone terminal 1 in the second form. The mobile phone terminal 1 has a first housing 1A and a second housing 1B. The first housing 1A is configured to be relatively slidable in the direction of arrow A with respect to the second housing 1B.

  The first housing 1A has the touch panel 2 on the surface opposite to the surface facing the second housing 1B. The second housing 1B has a touch panel 3 on the surface facing the first housing 1A. The touch panel 2 and the touch panel 3 display characters, figures, images, and the like, and detect various operations performed on the touch panel by a user using a finger, a stylus, or the like (hereinafter simply referred to as “finger”). The touch panel 3 is covered and hidden by the first casing 1A in the first form in which the first casing 1A and the second casing 1B overlap, and the first casing 1A slides in the direction of the arrow A. In the second form, it is exposed to the outside.

  The first form is a form suitable for the user to carry the mobile phone terminal 1. In this form as well, the user refers to information displayed on the touch panel 2 or operates the touch panel 2 with a finger. You can enter information. The second form is a form suitable for the user to use the mobile phone terminal 1, and the user can refer to more information by using the touch panel 2 and the touch panel 3 together.

  In the following description, the touch panel 2 that is always exposed to the outside is referred to as the upper screen 2. In the first embodiment, the touch panel 3 that is covered and hidden by the first casing 1 </ b> A and exposed to the outside in the second embodiment. Sometimes called the lower screen 3.

  Next, a method in which the mobile phone terminal 1 controls functions in conjunction with a change in form will be described with reference to FIGS. FIG. 3 is a diagram illustrating an example in which a function is activated in conjunction with a change in form. FIG. 4 is a diagram illustrating an example in which a function is interrupted in conjunction with a change in form. FIG. 5 is a diagram illustrating an example of resuming a function in conjunction with a change in form.

  In step S11 shown in FIG. 3, the mobile phone terminal 1 is in the first form, and a standby screen in which icons 21 and 22 are arranged is displayed on the upper screen 2. The icon 21 is a pictograph used to newly activate the WEB browsing function, and the icon 22 is a pictograph used to newly activate the electronic mail function.

  Here, the standby screen is a screen in a state of waiting for an incoming / outgoing call or a screen in a state of waiting for activation of an application program. In other words, the standby screen is a screen before the screen is changed to various function screens provided by the mobile phone terminal 1. Note that the standby screen may be called, for example, a desktop screen, a home screen, or wallpaper. In the example shown in FIG. 3, the plain screen is displayed as the standby screen, but image data or animation data may be displayed as the standby screen. In addition, as a part of the standby screen, a dynamically changing part such as a calendar or a clock may be included.

  Here, when the user performs a single tap operation on the icon 22 as step S12, the cellular phone terminal 1 places the icon 22 in a selected state. The mobile phone terminal 1 makes the selected icon 22 distinguishable from other icons by, for example, reducing the brightness. Note that the single tap operation is an operation in which an operation of releasing a finger immediately after touching the touch panel is performed only once so as to tap an icon or the like.

  When the icon 22 is in the selected state, it is assumed that the user changes the mobile phone terminal 1 from the first form to the second form in step S13. In this case, the mobile phone terminal 1 activates the e-mail function corresponding to the icon 22 in the selected state on the lower screen 3. Here, “activate the e-mail function on the lower screen 3” means that the e-mail function is activated and a screen (window) provided by the e-mail function is displayed on the lower screen 3.

  As described above, when the mobile phone terminal 1 changes from the first form to the second form, if there is an icon selected in the upper screen 2, the function corresponding to the icon is displayed on the lower screen 3. Start with. For this reason, if the user wants to activate any function on the lower screen 3 while carrying the mobile phone terminal 1 in the first form, the user can display an icon corresponding to the function on the upper screen 2. By making the selected state in, the desired function can be activated on the lower screen 3 in conjunction with the operation of transforming the mobile phone terminal 1 into the second form and exposing the lower screen 3.

  Then, it is assumed that the user changes the mobile phone terminal 1 to the first form in a state where the e-mail function is activated on the lower screen 3 as in step S21 of FIG. In this case, in step S22, the cellular phone terminal 1 interrupts the electronic mail function activated on the lower screen 3, and displays an icon 23 indicating that the electronic mail function is interrupted on the upper screen.

  The icon 23 has the same appearance as the icon 22 for starting the e-mail function, but “! (Exclamation mark)” is added so that it can be identified that the corresponding function is suspended. . Note that the addition of “!” Is an example, and an icon indicating a suspended function may be distinguished from an icon for newly starting a function in some way. For example, the thumbnail image on the lower screen 3 immediately before the interruption may be displayed as the icon 23.

  In this way, when the user has to suspend the use for some reason while using the mobile phone terminal 1 in the second form and using any function on the lower screen 3, the user The function can be interrupted by returning the mobile phone terminal 1 to the first mode. That is, the user interrupts the function activated on the lower screen 3 by returning the mobile phone terminal 1 to the first form that is easy to carry, and carries the mobile phone terminal 1 as it is, You can put it in your bag.

  Then, as in step S31 of FIG. 5, the user wants to resume the suspended function while the icon 23 corresponding to the suspended function is displayed on the upper screen 2. To do. In this case, the user performs a single tap operation on the icon 23 as step S32. When a single tap operation is performed on the icon 23, the mobile phone terminal 1 places the icon 23 in a selected state.

  When the user changes the mobile phone terminal 1 from the first form to the second form in step S33 when the icon 23 is in the selected state, the mobile phone terminal 1 has an e-mail function corresponding to the icon 23. Is resumed on the lower screen 3. Further, the cellular phone terminal 1 deletes the icon 23 from the upper screen 2 when the electronic mail function is resumed.

  As described above, when the mobile phone terminal 1 changes from the first form to the second form, if the icon corresponding to the suspended function is in the selected state on the upper screen 2, the mobile phone terminal 1 supports the icon. The function to be resumed on the lower screen 3. Therefore, when the user wants to resume the function activated on the lower screen 3, the user selects the icon corresponding to the function on the upper screen 2 to change the mobile phone terminal 1 to the first state. The desired function can be restarted on the lower screen 3 in conjunction with the operation of exposing the lower screen 3 by transforming to the form 2.

  The suspended function can be resumed not on the lower screen 3 but on the upper screen 2. An example of resuming the suspended function on the upper screen 2 will be described with reference to FIG.

  Assume that the user performs a double tap operation on the icon 23 in a state where the icon 23 corresponding to the interrupted function is displayed on the upper screen 2 as in step S41 of FIG. Note that the double-tap operation refers to an operation in which an operation of releasing a finger immediately after touching the touch panel is repeated twice so as to tap an icon or the like.

  In this case, the cellular phone terminal 1 restarts the e-mail function corresponding to the icon 23 on the upper screen 2 instead of the lower screen 3 in step S42. At this time, the cellular phone terminal 1 deletes the icon 23 from the upper screen 2 when the electronic mail function is resumed. As a result, after the user ends the electronic mail function, the icon 23 is not displayed on the upper screen 2 as shown in step S43.

  Further, the user can know the details of the displayed icon by performing a predetermined operation. For example, assume that the user performs a long tap operation on the icon 22 in a state where the icon 22 corresponding to the electronic mail function is displayed on the upper screen 2 as in step S51 of FIG. Note that the long tap operation refers to an operation of bringing a finger into contact with the touch panel for longer than a predetermined time and then releasing it so as to push an icon or the like.

  In this case, the mobile phone terminal 1 sets the icon 22 in the selected state in step S52, and displays the balloon 24 and the like indicating that the function corresponding to the icon 22 is the e-mail function on the upper screen 2, whereby the icon 22 The user is notified of the function corresponding to.

  Similarly, as shown in step S61 of FIG. 8, the user performs a long tap operation on the icon 23 while the icon 23 corresponding to the suspended email function is displayed on the upper screen 2. Shall. In this case, in step S62, the cellular phone terminal 1 sets the icon 23 to the selected state, and the function corresponding to the icon 23 is the e-mail function, and the balloon 25 or the like indicating that the mail creation is interrupted is displayed. By displaying on the screen 2, the user is notified of what the function corresponding to the icon 23 is and what kind of processing is interrupted during execution.

  Next, a functional configuration of the mobile phone terminal 1 will be described with reference to FIG. FIG. 9 is a block diagram showing a functional configuration of the mobile phone terminal 1. As shown in FIG. 9, the mobile phone terminal 1 includes a touch panel 2, a touch panel 3, an attitude detection unit 4, a power supply unit 5, a communication unit 6, a speaker 7, a microphone 8, a storage unit 9, A control unit 10 and a RAM (Random Access Memory) 11 are included. In addition, except for the touch panel 2 being provided in the first casing 1A and the touch panel 3 being provided in the second casing 1B, each part is the first casing 1A and the second casing 1B. Either may be provided.

  The touch panel 2 includes a display unit 2B and a touch sensor 2A superimposed on the display unit 2B. The touch panel 3 includes a display unit 3B and a touch sensor 3A superimposed on the display unit 3B. The touch sensor 2 </ b> A and the touch sensor 3 </ b> A detect various operations performed on the surface using a finger together with the position where the operation is performed. The operations detected by the touch sensor 2A and the touch sensor 3A include a single tap operation, a double tap operation, a long tap operation, and the like. The display unit 2B and the display unit 3B include, for example, a liquid crystal display (LCD), an organic EL (Organic Electro-Luminescence) panel, and the like, and display characters, figures, images, and the like.

  The posture detection unit 4 detects whether the mobile phone terminal 1 is in the first form or the second form. The posture detection unit 4 detects the posture of the mobile phone terminal 1 using, for example, a mechanical switch provided on a surface where the first housing 1A and the second housing 1B face each other.

  The power supply unit 5 supplies power obtained from a storage battery or an external power supply to each functional unit of the mobile phone terminal 1 including the main control unit 10. The communication unit 6 establishes a radio signal line by a CDMA system or the like with a base station via a channel assigned by the base station, and performs telephone communication and information communication with the base station. The speaker 7 outputs the other party's voice, ringtone, and the like in telephone communication. The microphone 8 converts the voice of the user or the like into an electrical signal.

  The storage unit 9 is, for example, a nonvolatile memory or a magnetic storage device, and stores programs and data used for processing in the main control unit 10. Specifically, the storage unit 9 includes a mail program 9A for realizing an electronic mail function, a browser program 9B for realizing a WEB browsing function, and a control program for realizing control of the functions described above. 9C and icon data 9D storing information related to icons displayed on the screen are stored. In addition, the storage unit 9 stores other programs and data such as an operating system program for realizing basic functions of the mobile phone terminal 1 and address book data in which names, telephone numbers, mail addresses, etc. are registered. Is done.

  Here, the icon data 9D will be described with reference to FIG. FIG. 10 is a diagram illustrating an example of the icon data 9D. As shown in FIG. 10, the icon data 9D has items such as ID, corresponding function, display position, pictogram, suspended process, and selection. In the ID item, an icon identification number is stored. In the corresponding function item, information for specifying a function corresponding to the icon is stored. In the display position item, information for specifying the position where the icon is displayed is stored.

  In the pictogram item, information for specifying a pictogram (image) displayed as an icon is stored. The suspended process item stores a process number which is the actual state of the suspended function when the corresponding function is suspended. Here, the process is a program that has been developed in the RAM 11 by the main control unit 10 and has become executable. In the case of an icon for newly starting the corresponding function, the suspended process item is blank. In the selection item, a value indicating whether or not the icon is in a selected state is stored. For example, “1” stored in the selection item indicates that the corresponding icon is selected, and “0” stored in the selection item indicates that the corresponding icon is selected. Indicates not.

  The main control unit 10 is, for example, a CPU (Central Processing Unit), and comprehensively controls the operation of the mobile phone terminal 1. Specifically, the main control unit 10 executes the program stored in the storage unit 9 while referring to the data stored in the storage unit 9 as necessary, so that the touch panel 2, the communication unit 6, etc. Various processes are executed by controlling. The main control unit 10 expands the program stored in the storage unit 9 and the data acquired / generated / processed by executing the process to the RAM 11 that provides a temporary storage area as necessary. The program executed by the main control unit 10 and the data to be referred to may be downloaded from the server device by wireless communication by the communication unit 6.

  For example, the main control unit 10 realizes an electronic mail function by executing the mail program 9A. Further, the main control unit 10 executes the control program 9C to control the execution state of various programs in accordance with user operations and changes in the form of the mobile phone terminal 1.

  Next, a processing procedure executed by the main control unit 10 based on the control program 9C will be described with reference to FIG. 11 and FIG. Note that the processing procedures shown in FIGS. 11 and 12 are repeatedly executed while the cellular phone terminal 1 is operating.

  FIG. 11 is a flowchart illustrating a processing procedure when an operation on an icon is detected on the upper screen 2. As shown in FIG. 11, the main control unit 10 acquires the detection result of the touch panel (upper screen) 2 as step S101. If the operation detected on the touch panel 2 is a single tap operation on the icon (step S102, Yes), the main control unit 10 selects the tapped icon with reference to the icon data 9D as step S103. Check if it is in a state.

  If the tapped icon is not in the selected state (No at Step S104), the main control unit 10 cancels the selected state of other icons as Step S105, and selects the tapped icon as Step S106. Put it in a state. On the other hand, when the tapped icon is in the selected state (step S104, Yes), the main control unit 10 cancels the selected state of the tapped icon as step S107. The selection state is set and canceled by updating the value of the selection item of the icon data 9D and changing the display mode of the icon on the upper screen 2.

  When the operation detected on the touch panel 2 is a long tap operation on the icon (No in Step S102 and Yes in Step S108), the main control unit 10 changes the selection state of other icons as Step S109. In step S110, the tapped icon is selected. In step S111, the main control unit 10 displays a description of the tapped icon on the upper screen 2 in a form such as a balloon. Specifically, the main control unit 10 refers to the icon data 9D, and if the tapped icon is for newly activating a function, displays a description regarding the function. On the other hand, if the tapped icon corresponds to a suspended function, the main control unit 10 displays a description regarding the function and a description regarding an execution status at the time of the suspension.

  When the operation detected on the touch panel 2 is a double tap operation on the icon (No at Step S108 and Yes at Step S112), the main control unit 10 refers to the icon data 9D as Step S113. Check whether the tapped icon corresponds to the interrupted function. If the tapped icon does not correspond to the interrupted function (step S114, No), the main control unit 10 newly adds a function corresponding to the tapped icon on the upper screen 2 as step S115. Start.

  On the other hand, if the tapped icon corresponds to the interrupted function (step S114, Yes), the main control unit 10 restarts the function corresponding to the tapped icon on the upper screen 2 as step S116. . Then, the main control unit 10 deletes the tapped icon as step S117.

  FIG. 12 is a flowchart showing a processing procedure when the form of the mobile phone terminal 1 is changed. As shown in FIG. 12, the main control unit 10 acquires the detection result of the posture detection unit 4 as step S201.

  When the posture detection unit 4 detects a change from the first state to the second state, that is, a change from the closed state to the open state (Yes in step S202), the main control unit 10 In S203, the icon data 9D is referenced to search for an icon in a selected state. Here, if there is no icon in the selected state (step S204, No), the main control unit 10 does not perform any particular processing.

  On the other hand, when there is an icon in the selected state (step S204, Yes), the main control unit 10 determines whether the icon corresponds to the interrupted function as step S205. If the icon in the selected state does not correspond to the interrupted function (No in step S205), the main control unit 10 displays the function corresponding to the selected icon in the lower screen 3 in step S206. Start a new one. If the icon in the selected state corresponds to the interrupted function (Yes in step S205), the main control unit 10 displays the function corresponding to the selected icon in the lower screen 3 in step S207. Let it resume. Then, the main control unit 10 deletes the selected icon in step S208.

  Further, when the posture detection unit 4 detects a change from the second state to the first state, that is, a change from the open state to the closed state (step S202, No and step S209, Yes), The main control unit 10 acquires the function activation status on the lower screen 3 in step S210. The function activation status can be acquired from, for example, a process management table provided on the RAM 11.

  If there is an activated function on the lower screen 3 (step S211, Yes), the main control unit 10 interrupts the activated function as step S212, and responds to the interrupted function as step S213. The icon to be added is added to the upper screen 2. At this time, the main control unit 10 also adds information related to the icon corresponding to the interrupted function to the icon data 9D. On the other hand, when there is no active function on the lower screen 3 (step S211, No), the main control unit 10 does not perform any particular processing.

  As described above, in this embodiment, the activation, suspension, and restart of the function are performed in conjunction with the change in the form of the mobile phone terminal 1, so that the operation related to the activation of the function is simplified, and the user Convenience can be improved.

  In addition, the aspect of this invention shown by said each embodiment can be arbitrarily changed in the range which does not deviate from the summary of this invention. For example, the control program 9C may be divided into a plurality of modules or may be integrated with other programs.

  In the above-described embodiment, the icon is selected by a single tap operation, the function corresponding to the icon is activated on the same screen by a double tap operation, and an explanation about the icon is displayed while the icon is selected by a long tap operation. The assignment of operations does not have to be this way. For example, an icon may be selected by a long tap operation, a function corresponding to the icon may be activated on the same screen by a single tap operation, and an explanation regarding the icon may be displayed while the icon is selected by a double tap operation. . In addition, a menu may be displayed in the vicinity of the icon tapped by a single tap operation or the like, and the user may select what kind of processing is to be performed in relation to the icon.

  Moreover, in said embodiment, when the 1st housing | casing 1A slides relatively with respect to the 2nd housing | casing 1B, the mobile telephone terminal 1 changes from a 1st form to a 2nd form. However, the change from the first form to the second form may be realized by other than such a sliding operation. For example, the mobile phone terminal 1 may be a foldable terminal in which the first casing 1A and the second casing 1B are coupled by a two-axis rotary hinge. In this case, the two axes of the hinge are connected to each other. By changing the first casing 1A and the second casing 1B relative to each other as the rotation axis, a change in form is realized.

  As described above, the portable electronic device, the control method, and the control program according to the present invention are effective for function control, and are particularly suitable when it is necessary to improve the convenience of the user for the operation.

DESCRIPTION OF SYMBOLS 1 Mobile phone terminal 1A 1st housing | casing 1B 2nd housing | casing 2 Touch panel (upper screen)
2A, 3A Touch sensor 2B, 3B Display unit 3 Touch panel (lower screen)
4 posture detection unit 5 power supply unit 6 communication unit 7 speaker 8 microphone 9 storage unit 9A mail program 9B browser program 9C control program 9D icon data 10 main control unit 11 RAM
21-23 Icon 24, 25 Speech balloon

Claims (8)

A first housing having a first display portion, a second housing having a second display portion, and control for controlling display of information on the first display portion and the second display portion A portable electronic device comprising:
The control unit includes the first casing and the first casing so that the first casing covers the second display section while the portable electronic device exposes the first display section to the outside. Displayed on the first display unit when the first display unit and the second display unit are changed to a second configuration in which the first display unit and the second display unit are exposed to the outside. A portable electronic device, wherein a function corresponding to the selected icon is activated and a screen corresponding to the function is displayed on the second display unit.   When the portable electronic device changes from the second mode to the first mode, the control unit is in a state in which a function corresponding to the screen displayed on the second display unit is executed. 2. The portable electronic device according to claim 1, wherein the function is suspended and an icon indicating that the function is suspended is displayed on the first display unit.   When the portable electronic device changes from the first form to the second form, the control unit is an icon indicating that the selected function is interrupted. The portable electronic device according to claim 2, wherein the function corresponding to the icon is resumed and a screen corresponding to the function is displayed on the second display unit.   The portable electronic device according to claim 3, wherein the control unit deletes the icon from the first display unit after resuming a function corresponding to the icon indicating that the interruption is in progress. .   The control unit, when an icon displayed on the first display unit is selected, displays information on a function corresponding to the icon on the first display unit. 5. The portable electronic device according to any one of items 1 to 4.   When a predetermined operation on the icon displayed on the first display unit is detected, the control unit activates a function corresponding to the icon and displays a screen corresponding to the function on the first display. The portable electronic device according to claim 1, wherein the portable electronic device is displayed on a screen. A first housing having a first display portion, a second housing having a second display portion, and control for controlling display of information on the first display portion and the second display portion A portable electronic device control method comprising:
The portable electronic device includes the first casing and the second casing such that the first casing covers the second display section while the first display section is exposed to the outside. Detecting that the first display unit and the second display unit are changed to a second configuration exposed to the outside from the first configuration in which
When it is detected that the portable electronic device has changed to the second form, the function corresponding to the selected icon among the icons displayed on the first display unit is activated, and the function And a step of displaying a screen corresponding to the second display unit. A first housing having a first display portion, a second housing having a second display portion, and control for controlling display of information on the first display portion and the second display portion A portable electronic device comprising
The portable electronic device includes the first casing and the second casing such that the first casing covers the second display section with the first display section exposed to the outside. Detecting that the first display unit and the second display unit are changed to a second configuration exposed to the outside from the first configuration in which
When it is detected that the portable electronic device has changed to the second form, the function corresponding to the selected icon among the icons displayed on the first display unit is activated, and the function And causing the second display unit to display a screen corresponding to the control program.

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