JP5355347B2 - Information processing apparatus and information processing apparatus control method - Google Patents

Description

  The present invention relates to an information processing apparatus and a method for controlling the information processing apparatus, and more particularly to a technique suitable for use in a user interface such as a digital camera that selects a number of shooting modes.

  In portable products such as mobile phones, music players, and digital cameras, the diversity of functions is remarkable. Accordingly, in order to perform an operation that meets the needs from among these functions, the user needs to select and set many selection items through a menu screen or the like.

  For example, in a digital camera, various selection menus such as a shooting mode, a strobe mode, a drive mode, an autofocus algorithm selection, a color tone selection, an image size, and the like are prepared. Furthermore, each selection item has been diversified, and there is a product including an operation member that can be quickly and intuitively moved from a large number of items to an arbitrary item in order to cope with the diversification.

  Realizing access to these various functions in accordance with the restrictions of mobile devices, that is, providing an intuitive user interface that is easy for the user to understand by using as few operating members as possible. ing.

  In order to perform a large number of settings efficiently and intuitively, there is a product including, for example, a capacitive sensor that can detect a contact movement amount and a movement direction as an operation member. However, these contact-type operation members are suitable for moving to a wide selection item, for example, a menu screen having a large number of options, but do not involve mechanical operations such as clicking on the structure. For this reason, there has been a problem that requires a certain amount of familiarity for small movements, for example, selection of adjacent items.

  As a technique for solving such problems, a user interface excellent in intuitive power is proposed in Patent Document 1. In this example, the operation member is a contact-type wheel shape that assumes wheel operation, and in the case of movement to an adjacent item, a dedicated position that is located behind the wheel contact sensor is indicated separately from the wheel operation. This is a method performed by a switch-like operation member. That is, a wide-area movement is performed by the contact detection wheel member, and the movement to an adjacent item or the like is a method of performing fine adjustment according to each direction by a single switch operation using the switch member.

  In Patent Document 2, as a method for improving the operability of cursor movement in an input device such as an information processing device, a method for adjusting the rotational speed of a wheel by input from an auxiliary operation member is proposed. Yes.

JP 2007-183914 A JP 2003-108290 A

However, these methods have a problem in that the number of operation members increases because it is necessary to separately provide a dedicated auxiliary operation member for fine operation that complements the wheel operation.
In view of the above-described problems, the present invention provides an input amount of an operation member that can input a variable amount according to the operation amount of one operation without adding a dedicated member for finely adjusting the operation input amount. An object of the present invention is to provide a user interface capable of fine-tuning the user interface.

  The information processing apparatus according to the present invention controls the first operation unit, the second operation unit, and the first function to be executed according to an operation amount of one operation on the first operation unit. The second operation when there is no operation on the first operation means or when a predetermined time elapses without an operation for executing the first function being performed after the operation on the first operation means. The number of operations for the second operation means within a predetermined time from the operation for the first operation means is controlled to execute a second function different from the first function according to the operation for the means. And a control means for controlling to execute the first function in response to the first function.

  According to the present invention, it becomes possible to finely adjust the operation amount of the operation member that can input a variable amount according to the operation amount of one operation, and it is possible to quickly change the parameter with a natural operation feeling, and It is possible to reliably perform the operation without increasing the number of dedicated operation members.

It is an external view which shows the structural example of the digital camera of this embodiment. It is a figure showing arrangement | positioning of the operation member of the back surface of the digital camera of this embodiment. It is a figure showing the mode immediately after pressing down an ISO sensitivity changeover switch. It is a figure showing a mode immediately after a contact detection wheel operation part senses a contact. It is a flowchart which shows an example of the operation | movement procedure of a user interface.

Preferred embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 shows an external view of a digital camera as an example of an information processing apparatus of the present invention. The display unit 28 is a display unit that displays images and various types of information. The shutter button 61 is an operation unit for issuing a shooting instruction. The mode switching dial 60 is an operation unit for switching various modes. The connector 112 is a connector between the connection cable and the digital camera 100.

  The operation unit 70 is an operation unit including operation members such as various switches, buttons, and a touch panel that receive various operations from the user. The controller wheel 73 is a rotatable operation member included in the operation unit 70. Reference numeral 72 denotes a power switch that switches between power on and power off. The recording medium 200 is a recording medium such as a memory card, and includes a semiconductor memory or a magnetic disk. The recording medium slot 201 is a slot for storing the recording medium 200. The recording medium 200 stored in the recording medium slot 201 can communicate with the digital camera 100.

FIG. 2 is a block diagram illustrating a configuration example of the digital camera 100 according to the present embodiment.
In FIG. 2, reference numeral 103 denotes a photographing lens including a focus lens, 101 denotes a shutter having a diaphragm function, and 22 denotes an imaging unit including a CCD, a CMOS element, or the like that converts an optical image into an electrical signal. Reference numeral 23 denotes an A / D converter that converts an analog signal into a digital signal. The A / D converter 23 is used to convert an analog signal output from the imaging unit 22 into a digital signal. A barrier 102 covers the imaging unit including the imaging lens 103 of the digital camera 100 to prevent the imaging system including the imaging lens 103, the shutter 101, and the imaging unit 22 from becoming dirty or damaged.

  An image processing unit 24 performs resize processing such as predetermined pixel interpolation and reduction and color conversion processing on the data from the A / D converter 23 or the data from the memory control unit 15. The image processing unit 24 performs predetermined calculation processing using the captured image data, and the system control unit 50 performs exposure control and distance measurement control based on the obtained calculation result. Thereby, AF (autofocus) processing, AE (automatic exposure) processing, and EF (flash pre-emission) processing of the TTL (through-the-lens) method are performed. The image processing unit 24 further performs predetermined calculation processing using the captured image data, and also performs TTL AWB (auto white balance) processing based on the obtained calculation result.

  Output data from the A / D converter 23 is directly written into the memory 32 via the image processing unit 24 and the memory control unit 15 or via the memory control unit 15. The memory 32 stores image data obtained by the imaging unit 22 and converted into digital data by the A / D converter 23 and image data to be displayed on the display unit 28. The memory 32 has a storage capacity sufficient to store a predetermined number of still images, a moving image and sound for a predetermined time.

  The memory 32 also serves as an image display memory (video memory). A D / A converter 13 converts image display data stored in the memory 32 into an analog signal and supplies the analog signal to the display unit 28. Thus, the display image data written in the memory 32 is displayed on the display unit 28 via the D / A converter 13. The display unit 28 performs display according to the analog signal supplied from the D / A converter 13 on a display such as an LCD.

  The nonvolatile memory 56 is an electrically erasable / recordable memory, and for example, an EEPROM or the like is used. The nonvolatile memory 56 stores constants, programs, and the like for operating the system control unit 50. Here, the program is a program for executing various flowcharts described later in the present embodiment.

  A system control unit 50 controls the entire operation of the digital camera 100. By executing the program recorded in the non-volatile memory 56 described above, each process of the present embodiment to be described later is realized. A system memory 52 is a RAM. In the system memory 52, constants and variables for operation of the system control unit 50, programs read from the nonvolatile memory 56, and the like are expanded.

The mode switching dial 60, the first shutter switch 62, the second shutter switch 64, and the operation unit 70 are operation means for inputting various operation instructions to the system control unit 50.
The mode switching dial 60 switches the operation mode of the system control unit 50 to any one of a still image recording mode, a moving image recording mode, a reproduction mode, and the like. The first shutter switch 62 is turned on when the shutter button 61 provided in the digital camera 100 is being operated, so-called half-press (shooting preparation instruction), and generates a first shutter switch signal SW1. In response to the first shutter switch signal SW1, operations such as AF (autofocus) processing, AE (automatic exposure) processing, AWB (auto white balance) processing, and EF (flash pre-emission) processing are started.

The second shutter switch 64 is turned ON when the operation of the shutter button 61 is completed, that is, when it is fully pressed (shooting instruction), and generates a second shutter switch signal SW2. In response to the second shutter switch signal SW2, the system control unit 50 starts a series of shooting processing operations from reading a signal from the imaging unit 22 to writing image data on the recording medium 200.
Each operation member of the operation unit 70 is appropriately assigned a function for each scene by selecting and operating various function icons displayed on the display unit 28, and functions as various function buttons.

  Examples of the function buttons include an end button, a return button, an image advance button, a jump button, a narrowing button, an erase button, and an attribute change button. For example, when a menu button is pressed, various setting menu screens are displayed on the display unit 28. The user can make various settings intuitively using the menu screen displayed on the display unit 28 and the four-way buttons and the SET buttons arranged in a cross shape.

  The controller wheel 73 is a rotatable operation member included in the operation unit 70, and is used when a selection item is instructed together with a direction button. In the present embodiment, the controller wheel 73 is used as the first operation member provided with the first function capable of inputting a variable amount corresponding to the operation amount of one operation. That is, when the controller wheel 73 is rotated, an electrical pulse signal is generated according to the operation amount, and the system control unit 50 controls each part of the digital camera 100 based on the pulse signal. From this pulse signal, it is possible to determine the angle at which the controller wheel 73 is rotated, how many rotations, and the like. Further, it is assumed that the controller wheel 73 is provided with a contact detection member that detects that a user's finger or the like has touched the controller wheel 73.

  The controller wheel 73 may be any operation member as long as it can detect a single operation amount. For example, it may be a dial operation member that generates a pulse signal by rotating the controller wheel 73 itself according to the rotation operation of the user. Further, an operation member made of a touch sensor may detect the rotation operation of the user's finger on the controller wheel 73 without rotating the controller wheel 73 itself (so-called touch wheel). In addition, like the controller wheel 73 of the present embodiment, a lever member or a touch slide bar may be used instead of a member (rotation dial) for rotating operation. In the present embodiment, the first function is executed by input from the first operation member, and the second function is executed by input from the second operation member. Is displayed on the display unit 28.

  A power control unit 80 includes a battery detection circuit, a DC-DC converter, a switch circuit that switches a block to be energized, and the like, and detects whether or not a battery is attached, the type of battery, and the remaining battery level. Further, the power control unit 80 controls the DC-DC converter based on the detection result and an instruction from the system control unit 50, and supplies a necessary voltage to each unit including the recording medium 200 for a necessary period.

  A power supply unit 30 includes a primary battery such as an alkaline battery or a lithium battery, a secondary battery such as a NiCd battery, a NiMH battery, or a Li battery, an AC adapter, or the like. Reference numeral 18 denotes an interface with a recording medium 200 such as a memory card or a hard disk.

Next, a shooting mode switching operation in the digital camera of this embodiment will be described.
FIG. 3 is a diagram illustrating the arrangement of the operation members on the back surface of the digital camera 100 according to the present embodiment. A setting display area 301 is displayed on the display unit 28.

  302 to 305 are some of the components of the operation unit 70 described above, and in the present embodiment, a second function different from the first function provided to the first operation member described above is provided. Used as the second operating member. 302 is an ISO sensitivity changeover switch, and 303 is a strobe mode changeover switch. Reference numeral 304 denotes a focus mode switch. Reference numeral 305 denotes a drive mode changeover switch, which constitutes a four-way key arranged in a cross shape.

Next, focusing on the ISO sensitivity changeover switch 302, the operation will be described.
FIG. 3 is a diagram illustrating a state of the digital camera immediately after the ISO sensitivity changeover switch 302 is pressed. The setting display area 301 displays the currently selected ISO sensitivity value.
In the digital camera 100 of this embodiment, there are 80, 100, 200, 400, 800, and 1600 as selectable ISO sensitivities, and AUTO that automatically sets the ISO sensitivity can be selected. The selection of each ISO sensitivity and AUTO is switched every time the ISO sensitivity changeover switch 302 is pressed, and the display of the ISO sensitivity displayed in the setting display area 301 is updated each time. Thereby, the user can know the selected ISO sensitivity.

Next, paying attention to the drive mode changeover switch 305, its operation will be described with reference to FIG.
When the drive mode changeover switch 305 is pressed, the selected drive mode is displayed as an icon in the setting display area 301. In the digital camera 100 of the present embodiment, there are single shooting, continuous shooting, and self-timer shooting as drive modes that can be set. These selections are switched every time the drive mode changeover switch 305 is pressed, and the display contents of the setting display area 301 are updated each time.

Next, focusing on the controller wheel 73, the operation will be described.
FIG. 4 shows a state of the digital camera 100 of the present embodiment immediately after detecting contact with the controller wheel 73. The controller wheel 73 has a function of selecting a shooting mode. When contact is first detected, a list of selectable shooting modes is displayed at the right end of the display unit 28 as shown in FIG.

  Shooting modes that can be set by the digital camera 100 of the present embodiment are a manual mode represented by M and an auto mode in which shooting parameters are automatically set in the digital camera 100 represented by Auto. A custom mode that uses shooting parameters that are arbitrarily set by the user, represented by C1 and C2. Shutter speed priority mode expressed in Tv. Aperture priority mode expressed in Av. A movie shooting mode represented by Mov and a program shooting mode represented by P.

  Reference numeral 401 denotes a cursor indicating the currently selected shooting mode. From these displays, the user can know the selectable shooting mode and the currently selected shooting mode. When the controller wheel 73 detects the rotation of the wheel in the direction of the arrow 402, the cursor 401 moves in the direction of the arrow 403. For this reason, the user can see the operation of the cursor 401 in conjunction with the input from the controller wheel 73, and can adjust the input to the wheel operation unit and move to the target mode.

  More specifically, the shooting mode Tv of the digital camera 100 of FIG. 4, that is, the shutter speed priority mode is currently selected. At this time, when the user selects an item that is far away from the adjacent item, if the controller wheel 73 is operated largely, an item separated by the number of items corresponding to the operation amount (here, the rotation amount) is selected. it can. For this reason, even if there are many items, it is possible to quickly select an item near a desired item. On the other hand, when the user selects Av adjacent to Tv, it is necessary to move the controller wheel 73 slightly in the direction of the arrow 402. However, the controller wheel 73 which is a contact type operation member is not accompanied by a mechanical reaction such as a click for structural reasons. Requires a certain level of familiarity.

  Therefore, in the digital camera 100 of the present embodiment, the ISO sensitivity changeover switch 302 is used for moving the item unit in the upward direction only within a certain time. In addition, a user interface using a drive mode changeover switch 305 is provided for moving items in the downward direction so as to improve convenience.

Next, an operation example of the above-described user interface will be described with reference to the flowchart of FIG. In this example, the third function that can change the same parameter as that of the first operation member only within a certain period of time after the controller wheel 73 as the first operation member is operated has the above-described second operation member. An example of giving to the switches 302 to 305 used as will be described.
In S501, whether or not the ISO sensitivity changeover switch 302 or the drive mode changeover switch 305 is pressed is detected. As a result of this detection, if a press is detected, the process proceeds to S502, and drive mode switching and ISO sensitivity switching processing is performed. Further, as a result of the detection in S501, if pressing of the operation member is not detected, the process proceeds to S503, and a contact input to the controller wheel 73 is detected.

  If no input from the controller wheel 73 is detected as a result of this detection, the process returns to S501 and the above-described flow is repeated. On the other hand, if a contact input from the controller wheel 73 is detected as a result of the detection in S503, the process proceeds to S504, and a shooting mode display timer is started. Thereafter, the process proceeds to S505, and the shooting mode list display shown in FIG.

  In S506, it is determined whether or not the value of the timer activated in S504 exceeds a certain time. As a result of this determination, if it is determined that the predetermined time or more has elapsed, the process proceeds to S507, where the shooting mode non-display process and the shooting mode selection process on the display unit 28 are withdrawn, and then the process returns to S501. Processing is repeated.

  On the other hand, as a result of the determination in S506, when it is determined that the value of the timer counter is within a predetermined time, the process proceeds to S508, and the movement of the contact surface from the controller wheel 73 is detected. As a result of the detection, when the movement of the contact surface is detected from the controller wheel 73, the process proceeds to S510, the timer value started in S504 is initialized and restarted. This is a treatment for extending the time until timeout by a certain time by an input from the operation member within a certain time.

  Next, it progresses to S511 and the moving amount and moving direction of the contact surface of the controller wheel 73 are detected. Next, proceeding to S512, the cursor is moved by the number of items corresponding to the detected movement amount with respect to the movement direction of the controller wheel 73 detected in S511. Thereafter, the control returns to S506, and thereafter, the above-described processing is repeated until a timeout is established.

  On the other hand, as a result of the determination in S508, if the input from the controller wheel 73 is not detected, the process proceeds to S509, and it is determined whether or not the drive mode changeover switch 305 or the ISO sensitivity changeover switch 302 has been pressed. If these members are not pressed as a result of this determination, the process returns to S506, and thereafter the same processing is repeated.

  On the other hand, if the result of determination in S509 is that the drive mode changeover switch 305 or ISO sensitivity changeover switch 302 has been pressed, the process proceeds to S513, where the timer value started in S504 is initialized and restarted. This is the same as S510, when the operation input of the first operation member or the second operation member is detected, the time for giving the third function to the second operation member, that is, the time-out. This is a treatment for extending the time until the set time.

  Next, the process proceeds to S514, and processing corresponding to the pressing of the drive mode changeover switch 305 or the ISO sensitivity changeover switch 302 detected in S509 is executed. That is, when pressing of the drive mode change switch 305 is detected, the cursor moves one item upward, and when pressing of the ISO sensitivity change switch 302 is detected, the cursor moves one item downward. To do. After executing the process of S514, the process returns to S506, and thereafter the same process is repeated until a timeout is detected.

  By executing the processing as described above, the operation member that normally functions as drive mode switching and ISO sensitivity switching functions as an auxiliary input member of the controller wheel 73 that is a contact detection type member only for a certain period of time. It becomes possible to make it. Thereby, various settings can be performed intuitively without increasing the number of members, and good operability can be provided to the user.

  In the above example, when contact with the controller wheel 73 is detected, the drive mode changeover switch 305 or the ISO sensitivity changeover switch 302 can be moved in the same manner as the rotation operation of the controller wheel 73 for a predetermined time. Hereinafter, for simplicity, the drive mode changeover switch 305 or the ISO sensitivity changeover switch 302 will be collectively referred to as a drive / ISO button. However, the present invention is not limited to this, and the function of the drive / ISO button is not switched only by touching the controller wheel 73, and the function of the drive / ISO button is controlled for a certain period of time after the operation of rotating the controller wheel 73 is actually detected. The same cursor movement may be used.

  In that case, a second timer that is started when the wheel movement is detected (that is, started in S510) is provided separately from the shooting mode display timer started in S504. Then, after No in S508, a step of determining whether or not the second timer times out is provided before S509. If it is determined in this step that the second timer has timed out, the process returns to S506, and if it is determined that the second timer has not timed out, the process proceeds to S509. At this time, the second timer is initialized in S510 and S513 and restarted in the same manner as the shooting mode display timer activated in S504.

  In this way, the function of the drive / ISO button is not yet switched by simply touching the controller wheel 73, but functions as a button for switching the drive mode and switching the ISO sensitivity as usual. Then, after the cursor is actually moved by the operation of rotating the controller wheel 73, the drive / ISO button can function as a button for moving the cursor for fine adjustment of the controller wheel 73.

  Therefore, before the user touches the controller wheel 73 to perform the rotation operation, the shooting mode display displayed in S505 is viewed. When it is found that the controller wheel 73 cannot perform an intended operation, a normal operation (drive mode switching or ISO sensitivity switching) using the drive / ISO button can be quickly performed. If the second timer is set to the same time as the shooting mode display timer activated in S504, the timing at which the drive / ISO button function returns from the cursor movement function to the normal function and the shooting mode display are displayed. The timing to end can be made the same. This is because the update timings of the second timer and the shooting mode display timer are the same S510 and S513. By doing so, there is no discrepancy between display and operability, and it is possible to provide an operational feeling without a sense of incongruity.

  In the above-described embodiment, as an operation that can be performed with the controller wheel 73, and an operation that can be finely adjusted with other buttons for a certain period of time after the operation of the controller wheel 73, item movement for selecting an item of the shooting mode ( The cursor movement) has been described. However, the present invention is not limited to this, and can be applied to an operation in which a variable amount corresponding to an operation amount by an operation member such as the controller wheel 73 is input. For example, it can be used for image feed, high-speed playback and frame-by-frame playback, or numerical input such as volume.

  In the present embodiment, an example has been described in which the controller wheel 73 that can be rotated is used as an operation member that can detect a single operation amount. However, in addition to this, the present invention can also be applied to a case where a member that is difficult to detect unit movement, such as a lever member, a touch slide bar, or a member having a belt-like sensor region in the vertical direction is employed.

  The control of the system control unit 50 may be performed by one piece of hardware, or the entire apparatus may be controlled by a plurality of pieces of hardware sharing the processing. Although the present invention has been described in detail based on the preferred embodiments thereof, the present invention is not limited to these specific embodiments, and various forms without departing from the gist of the present invention are also included in the present invention. included.

In the above-described embodiment, the case where the present invention is applied to a digital camera has been described as an example. However, this is not limited to this example. In other words, the present invention may be applied to devices such as personal computers and PDAs. Furthermore, the present invention is applicable to devices such as a mobile phone terminal, a portable image viewer, a display for selecting and confirming a print image provided in a printer device, and a digital photo frame.
(Other embodiments)
The present invention is also realized by executing the following processing. That is, software (computer program) that implements the functions of the above-described embodiments is supplied to a system or apparatus via a network or various storage media. Then, the computer (or CPU, MPU, etc.) of the system or apparatus reads out and executes the program code. In this case, the program and a computer-readable storage medium storing the program constitute the present invention.

28 display section, 60 mode switching dial, 70 operation section, 73 controller wheel, 100 digital camera

Claims (15)

First operating means;
A second operating means;
Controlling to execute the first function according to the operation amount of one operation on the first operation means;
The second operation means when there is no operation on the first operation means or when a predetermined time elapses without an operation for executing the first function being performed after the operation on the first operation means. Control to execute a second function different from the first function in response to an operation on
Control means for controlling to execute the first function in accordance with the number of operations of the second operation means within a predetermined time from the operation of the first operation means. Processing equipment.   The first operating means is any one of a rotary dial that rotates itself according to an operation, a touch wheel that detects a rotating operation of an operating element on the operating means, a lever member, and a touch slide bar. The information processing apparatus according to claim 1.   The information processing apparatus according to claim 1, wherein the second operation unit is a push button. Contact detection means for detecting contact with the first operation means;
2. The display control unit according to claim 1, further comprising: a display control unit configured to control the display unit to display information related to the first function when the contact detection unit detects contact with the first operation unit. 4. The information processing apparatus according to any one of items 1 to 3.   The control means detects the first operation means in response to an operation on the second operation means within a predetermined time after detecting an operation for rotating the first operation means or a movement operation of the operation element with respect to the first operation means. 1 until the operation of rotating the first operating means or the operation of moving the operating element with respect to the first operating means is performed even if there is a contact with the first operating means. 5. The information processing apparatus according to claim 4, wherein control is performed so that the second function is executed in response to an operation on the second operation means.   The display control means detects the operation for rotating the first operation means or the operation for moving the operation element with respect to the first operation means, and then the operation for executing the first function is not performed. The information processing apparatus according to claim 5, wherein when the predetermined time has elapsed, the information displayed on the display unit is controlled to be hidden.   The control means executes the first function in response to the second operation means being operated within the predetermined time from the operation on the first operation means, and the control means The information processing according to any one of claims 1 to 6, wherein the first function is controlled in accordance with an operation on the second operation means within the predetermined time from an operation. apparatus.   The information processing apparatus according to claim 1, wherein the first function is input of a parameter related to a specific item.   The first function is at least one of a function for selecting any one of a plurality of operation modes, an image feed, a frame-by-frame playback of a moving image, and a numerical value input of a volume. The information processing apparatus according to any one of 1 to 8.   The information processing apparatus according to claim 1, wherein the information processing apparatus is an imaging apparatus having an imaging unit.   The information processing apparatus according to claim 10, wherein the second function is a function of performing settings relating to imaging by the imaging unit.   The first operation means is either a rotary dial that rotates the operation means itself in response to an operation or a touch wheel that detects a rotation operation of an operation element on the operation means, and the second operation means includes: The information processing apparatus according to claim 1, wherein the information processing apparatus is a push button that can be pressed inside a rotating portion of the first operation unit or a portion that detects the rotation operation. . A method for controlling an information processing apparatus having a first operation means and a second operation means,
Controlling to execute the first function according to an operation amount of one operation on the first operation means;
The second operation means when there is no operation on the first operation means or when a predetermined time elapses without an operation for executing the first function being performed after the operation on the first operation means. Controlling to execute a second function different from the first function in response to an operation on
And a control step for controlling to execute the first function in accordance with the number of operations of the second operation means within a predetermined time from the operation of the first operation means. A method for controlling a processing apparatus.   The program for functioning a computer as each means of the information processing apparatus of any one of Claims 1 thru | or 12.   A computer-readable storage medium storing a program for causing a computer to function as each unit of the information processing apparatus according to any one of claims 1 to 12.

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