JP5091338B1 - Information display device, information display method, and program - Google Patents

Information display device, information display method, and program Download PDF

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Publication number
JP5091338B1
JP5091338B1 JP2011118196A JP2011118196A JP5091338B1 JP 5091338 B1 JP5091338 B1 JP 5091338B1 JP 2011118196 A JP2011118196 A JP 2011118196A JP 2011118196 A JP2011118196 A JP 2011118196A JP 5091338 B1 JP5091338 B1 JP 5091338B1
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screen
front
information
tracing operation
operation
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JP2012247931A (en
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将史 竹廣
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株式会社コナミデジタルエンタテインメント
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 – G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1694Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object or an image, setting a parameter value or selecting a range
    • G06F3/0485Scrolling or panning
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for entering handwritten data, e.g. gestures, text

Abstract

In an information display device using a touch panel, an information display device capable of quickly scrolling an image displayed on a screen by a tracing operation on both sides of the touch panel, an information display method, and a program for realizing these on a computer I will provide a.
A front surface detection unit 401 detects an operation locus on a touch panel arranged in front of a screen 106, and a back surface detection unit on the assumption that the inclination measured by the inclination measurement unit 403 satisfies the inclination acceleration condition. In 402, an operation locus on a touch panel arranged on the back surface of the screen 106 is detected. Furthermore, if the tracing acceleration condition is satisfied, the scroll speed of the screen 106 can be increased.
[Selection] Figure 4

Description

  The present invention provides an information display device, an information display method, and a computer that can quickly scroll an image displayed on a screen by a tracing operation on both sides of the touch panel in an information display device using a touch panel. Regarding the program.

Touch panels are used in various information display devices such as mobile phone devices, PDAs, and portable game devices. Since only a part of the information is displayed on the display screen, it is necessary to perform a scroll operation when the user wants to browse all the information.
For example, Patent Document 1 discloses that in a game device, the load due to image display scroll processing is reduced, and the visibility for the player is improved.

JP 2009-195414 A

On the other hand, when the amount of information on the screen is large, it takes time for the scroll operation, and improvement is also desired in order to improve the operability for the user.
In recent years, information display devices equipped with touch panels on both sides have been commercialized, and the demand for speed of operation has become stronger with the diversification of functions.

  The present invention solves the above problems, and in an information display device using a touch panel, an information display device capable of quickly scrolling an image displayed on a screen by a tracing operation on both sides of the touch panel, and information It is an object of the present invention to provide a display method and a program for realizing these on a computer.

  In order to achieve the above object, the following invention is disclosed in accordance with the principle of the present invention.

  An information display device according to a first aspect of the present invention includes a display unit, a front surface detection unit, a back surface detection unit, and an inclination measurement unit, and is configured as follows.

  That is, the display unit displays information on the screen in a scrollable manner.

  The display unit displays information on the screen in a scrollable manner in response to an operation on the touch panel. As a device for displaying a screen, an LDC (Liquid Crystal Display), a CRT (Cathode Ray Tube), or the like is used.

  The front detection unit detects a front tracing operation with respect to the front of the screen, and the rear detection unit detects a rear tracing operation with respect to the rear of the screen.

  The fact that the front panel is touched on the touch panel provided on the front surface of the screen is detected by the resistive film method or the electrostatic capacity method, and reflected on the scroll display of the screen. Even when a rear surface drag operation is performed on the touch panel provided on the rear surface of the screen, it is detected by the same method and reflected on the scroll display of the screen.

The tilt measuring unit measures the tilt of the screen.
The tilt measuring unit is for measuring the tilt of the screen displaying the image. For example, the tilt measuring unit measures the tilt of the screen using an acceleration sensor or an angular velocity sensor built in the apparatus.

  Here, the display unit (a) scrolls information on the screen in the direction of the front stroking operation when a front stroking operation is detected, and (b) a tilt measured while the information is scrolled on the screen. If the predetermined acceleration acceleration condition is satisfied, the backside tracing operation is detected, and the backside tracing operation satisfies the predetermined tracing acceleration condition, the speed at which the information is scrolled is increased.

  That is, the front-side tracing operation is performed on the touch panel provided on the front side of the screen, and the rear-side tracing operation is performed on the touch panel provided on the back side while the front-side screen is scrolled. At that time, the information scrolling speed can be increased by satisfying a predetermined inclination acceleration condition and a predetermined tracing acceleration condition.

According to the present invention, when the user desires to increase the scrolling speed when performing the scrolling operation, the user performs a tracing operation on both the front and back touch panels, and if the predetermined condition is satisfied, the scrolling speed is increased. Can be increased.
Therefore, if you want to proceed to the next process quickly, or if there is an icon to be operated at the end of the displayed screen, the scrolling speed can be increased and a quick operation can be performed by performing a double-sided tracing operation. Become.

  The information display device satisfies a predetermined inclination acceleration condition when the direction from the back of the screen to the front of the screen obtained from the measured inclination has a component opposite to gravity.

  That is, when the direction of the information display device is gripped by the user so as to have a component opposite to gravity during operation, for example, when the orientation of the device is tilted by 90 ° or more with respect to the horizontal position. The direction from the back of the screen to the front of the screen does not have a component opposite to gravity, and the tilt acceleration condition is not satisfied. As a result, scroll acceleration processing cannot be performed.

  According to the present invention, the information display device can increase the scrolling speed only when the direction from the back of the screen to the front of the screen determined from the measured tilt has a component opposite to gravity. it can. As a result, the user can reduce the risk of the device falling from the hand or causing inconvenience in the double-sided tracing operation by causing the double-sided scrolling in an unstable manner.

  In the information display device, the distance between the detected trajectory on the screen of the front tracing operation and the detected trajectory on the screen of the rear tracing operation is within a predetermined distance range, and the directions of the both trajectories are in the predetermined direction. If it is within the range, a predetermined tracing acceleration condition is satisfied.

  According to the present invention, in a state in which both sides of the screen can be traced, the front trace operation trace and the back trace trace are detected, the distance between the traces is within a predetermined distance, and the predetermined orientation range. Unless it is within, the scrolling speed is not increased. As described above, since the scroll speed is increased when a certain condition is satisfied in the operation state during the double-sided tracing operation, the user can stably perform the operation of increasing the scroll speed.

  In the information display device, the predetermined direction range is a range having components in which the directions of both loci are opposite to each other.

  The direction of the trajectory of the front trace operation and the direction of the rear trace operation are opposite, that is, when the front trace operation is performed from the bottom of the screen and the rear trace operation is performed from the top to the bottom, For example, the condition is that the angle is within a range of 150 ° to 180 °.

  According to the present invention, the direction of the front trace operation and the direction of the rear trace operation are opposite to each other so that the scroll speed can be increased. Instability of the apparatus gripping caused by this can be eliminated.

  In the information display device, the predetermined distance range is a range where both trajectories intersect.

  According to the present invention, an operation in which the trajectory of the front tracing operation intersects the trajectory of the rear tracing operation, that is, the operation is performed so that the finger operating the front and the back overlaps with each other, thereby further stabilizing the operation. be able to.

  In the information display device, the display unit further displays on the screen whether or not the measured inclination satisfies a predetermined inclination acceleration condition.

  According to the present invention, the fact that the inclination acceleration condition is satisfied is displayed on the screen, so that the user can recognize that an operation for increasing the scroll speed is possible. After the user recognizes this display, the user starts the rear surface tracing operation.

  An information display method according to another aspect of the present invention is an information display method executed by an information display device, and the information display device includes a display unit, a front surface detection unit, a back surface detection unit, and an inclination measurement unit, and displays A process, a front surface detection process, a back surface detection process, and an inclination measurement process are provided and configured as follows.

  In the display step, the display unit displays information on the screen in a scrollable manner. In the front surface detection step, the front surface detection unit detects a front surface tracing operation with respect to the front surface of the screen. In the back surface detection step, the back surface detection unit detects a back surface tracing operation with respect to the back surface of the screen. In the tilt measurement process, the tilt measurement unit measures the tilt of the screen.

  Further, in the display process, when the display unit detects (a) a front tracing operation, the information is scrolled in the direction of the front tracing operation on the screen, and (b) measured while the information is scrolled on the screen. When the inclination satisfies a predetermined inclination acceleration condition, a backside tracing operation is detected, and the backside tracing operation satisfies a predetermined tracing acceleration condition, the speed at which the information is scrolled is increased.

  A program according to another aspect of the present invention causes a computer to function as an information display device, and the information display device includes a display unit, a front surface detection unit, a back surface detection unit, and an inclination measurement unit.

  The display unit displays information on the screen in a scrollable manner. The front surface detection unit detects a front surface tracing operation with respect to the front surface of the screen. The back surface detection unit detects a back surface tracing operation with respect to the back surface of the screen. The tilt measuring unit measures the tilt of the screen.

  Further, the display unit (a) scrolls the information in the direction of the front tracing operation on the screen when the front tracing operation is detected, and (b) the measured inclination is predetermined while the information is scrolled on the screen. When the back acceleration operation is satisfied and the back tracing operation is detected, and the back tracing operation satisfies the predetermined tracing acceleration condition, the speed of scrolling the information is increased.

  The program of the present invention can be stored in a computer-readable information storage medium such as a compact disk, flexible disk, hard disk, magneto-optical disk, digital video disk, magnetic tape, and semiconductor memory.

  The above program can be distributed and sold via a computer communication network independently of the computer on which the program is executed. The information storage medium can be distributed and sold independently from the computer.

  According to the present invention, in an information display device using a touch panel, an information display device capable of quickly scrolling an image displayed on the screen by a tracing operation on both sides of the touch panel, an information display method, and these are performed by a computer. A program to be realized can be provided.

It is a figure which shows schematic structure of the typical portable terminal device with which the information display apparatus which concerns on this embodiment is implement | achieved. It is a figure which shows the operation example of front surface tracing operation of the typical portable terminal device with which the information display apparatus which concerns on this embodiment is implement | achieved. It is a figure which shows the operation example of double-sided tracing operation of the typical portable terminal device with which the information display apparatus which concerns on this embodiment is implement | achieved. It is a schematic diagram which shows schematic structure of the information display apparatus which concerns on this embodiment. It is the figure explaining the locus | trajectory of the touch panel of the information display apparatus which concerns on this embodiment using a coordinate. In this embodiment, it is explanatory drawing which shows the principle of the inclination measurement of the screen of an information display apparatus. In this embodiment, it is a figure explaining the inclination acceleration conditions of an information display apparatus. In this embodiment, it is explanatory drawing for detecting the distance of the locus | trajectory of a screen of front surface tracing operation, and the locus | trajectory of back surface tracing operation. In the present embodiment, (a) is a diagram showing a specific example in which the distance between the trajectory of the front tracing operation and the trajectory of the rear tracing operation is detected, and (b) is the trajectory of the screen of the front tracing operation. It is a figure which shows the other specific example which detected the distance with the locus | trajectory of a back surface tracing operation. In this embodiment, it is explanatory drawing for detecting the direction of the locus | trajectory of a front surface tracing operation, and the locus | trajectory of a back surface tracing operation, (a) displays an actual operation locus, (b) It is the figure which showed the angle which an operation locus | trajectory makes. It is a flowchart which shows the flow of control of the information display process of this embodiment.

  Embodiments of the present invention will be described below. In the following, for ease of understanding, an embodiment in which the present invention is realized using a game information processing device will be described. However, the embodiment described below is for explanation, and the present invention It does not limit the range. Therefore, those skilled in the art can employ embodiments in which these elements are replaced with equivalent ones, and these embodiments are also included in the scope of the present invention.

(Embodiment 1)
FIG. 1 is a schematic diagram showing a schematic configuration of a typical portable terminal in which an information display device according to an embodiment of the present invention is realized.

The portable terminal 100 includes a wireless communication unit 101, a communication controller 102, a sound amplifier 103, a speaker 104, an operation key 105, a display unit 106, a first touch panel 107, and a second touch panel 108. A tilt sensor 109 and a control unit 150.
Examples of portable terminals include portable game devices and PDAs.

  The wireless communication unit 101 is a unit that performs wireless communication with a wireless communication unit of another portable terminal, and receives predetermined data via an antenna (not shown) built in the portable terminal 100. Send and receive. Note that the wireless communication unit 101 can also perform wireless communication with a predetermined access point. The wireless communication unit 101 is assigned a unique MAC (Media Access Control) address.

  The communication controller 102 controls the wireless communication unit 101 and mediates wireless communication performed between the control unit 150 and the control unit of another portable terminal according to a predetermined protocol. Further, when the portable terminal 100 is connected to the Internet via a nearby wireless access point or the like, the control unit 150 and the wireless access point or the like are connected according to a protocol compliant with a wireless LAN (Local Area Network). Intermediary of wireless communication performed in

  The sound amplifier 103 amplifies the audio signal generated by the control unit 150 and supplies it to the speaker 104. The speaker 104 is composed of, for example, a stereo speaker, and outputs predetermined sound effects, music sounds, voices, and the like according to the voice signal amplified by the sound amplifier 103.

  The operation key 105 includes a key switch or the like appropriately disposed on the portable terminal 100, and receives a predetermined instruction input such as on / off of the portable terminal 100 or a manner mode change according to an operation.

  The screen 106 is composed of an LCD or the like, and displays predetermined selection buttons and the like as appropriate under the control of an LCD controller 156 described later. Further, the screen 106 displays a selection button (icon) or the like necessary for a user or the like to input a selection instruction by touching the touch panel 107.

  The first touch panel 107 is disposed so as to overlap the front surface of the screen 106, and accepts input from a touch pen or a user's finger. The second touch panel 108 is disposed so as to overlap the back surface of the screen 106. The first touch panel 107 and the second touch panel 108 are composed of, for example, a pressure-sensitive touch sensor panel, detects pressure of a touch pen or the like, and detects a touch operation such as contact and its position (touch position). Note that the touch panel 107 may detect and detect contact with a user's finger or the like from a change in capacitance, for example.

The tilt sensor 109 is built in the portable terminal 100 and can measure the movement of the portable terminal 100 in the axial direction. That is, an operation of moving, rotating, or tilting the portable terminal 100 held by the user from the horizontal is measured. The measurement result is supplied to the control unit 150, and is used for processing in which the image processing unit 152 generates image data corresponding to the measurement result.
As such an inclination sensor 108, a gyro sensor or the like that detects angular acceleration can be used.

  1 includes a CPU (Central Processing Unit) 151, an image processing unit 152, an audio processing unit 153, a ROM (Read Only Memory) 154, a RAM (Random Access Memory) 155, An LCD controller 156 and a touch panel controller 157 are provided.

  The CPU 151 is connected to each component of the portable terminal 100 and controls the operation of the entire portable terminal 100. In addition, the CPU 151 exchanges control signals and data with each component of the portable terminal 100.

  For example, the image processing unit 152 processes image data read from the ROM 154 or image data processed by the CPU 151, and then stores them in the RAM 155. Note that image data or the like can be directly output from the image processing unit 152 to the screen 106.

  For example, the audio processing unit 153 processes the audio data read from the ROM 154 and the music data processed by the CPU 151, and then stores them in the RAM 155. Note that audio data or the like can be directly output from the audio processing unit 153 to the sound amplifier 103.

  The ROM 154 stores, for example, control programs and data necessary for selecting items displayed on the screen 106, and outputs them to the CPU 151, the RAM 155, and the like.

  The RAM 155 stores display image data processed by the image processing unit 152, work data for the CPU 151 to execute various processes according to the program, and the like, and the CPU 151, the screen 106, and the like. Output to.

  The LCD controller 156 controls the screen 106 to display a predetermined display image. For example, the LCD controller 156 converts the image data stored in the RAM 155 into a display signal at a predetermined synchronization timing and outputs it to the screen 106. The LCD controller 156 displays a predetermined selection button or the like on the screen 106.

  The touch panel controller 157 detects and detects contact (touch operation) on the first touch panel 107 and the second touch panel 108 with a touch pen or a user's finger. For example, in a state where a predetermined selection button or the like is displayed on the screen 106, detection of contact and release (leaving) to the first touch panel 107 and their positions are detected.

2 and 3 are external views illustrating an operation example of the portable terminal.
As shown in FIG. 2, the portable terminal 100 is provided with the first touch panel 107 on the front surface of the screen 106 as described above. When the user operates the first touch panel 107, the left and right ends of the portable terminal 100 are held with both hands.
When scrolling the screen, the user grasps the left and right sides of the portable terminal 100 with both hands, and uses the thumb of the right hand to trace the right end of the first touch panel 107.
In FIG. 2, the image displayed on the screen is scrolled upward by performing a tracing operation of the right end of the first touch panel 107 using the thumb of the right hand.
In addition, the user can also operate using the input controller provided in the portable terminal 100 as needed.

On the other hand, as shown in FIG. 3, the portable terminal 100 is provided with a second touch panel 108 on the back surface, and the user can trace the second touch panel 108 with a finger or the like.
According to the invention according to the present embodiment, the user performs a tracing operation on the first touch panel 107 on the front surface of the portable terminal device 100 and simultaneously performs a tracing operation on the second touch panel 108 on the back surface, thereby satisfying a predetermined condition. As a result, the scrolling speed of the screen can be increased.
That is, in FIG. 3, the user scrolls the first touch panel 107 on the front surface with the thumb upward and the lower finger touches the second touch panel 108 on the rear surface with the index finger to increase the scroll speed. . Details of the operation control will be described later.

Next, a functional configuration of the portable terminal 100 according to the present embodiment will be described.
FIG. 4 is a diagram illustrating a functional conceptual configuration of the portable terminal 100 according to the present embodiment. As shown in FIG. 4, the portable terminal 100 includes a front surface detection unit 401, a back surface detection unit 402, an inclination measurement unit 403, and a display unit 404.

The front surface detection unit 401 detects whether or not a tracing operation has been performed on the first touch panel 107 disposed on the front surface of the screen 106.
When a tracing operation is performed on the touch panel, the tracing operation is detected by a method as shown in FIG.
The point where the finger first contacts is set as the start point P1, and the point on the touch panel coordinates is specified as (X1, Y1), for example. A point at which the finger goes into a non-contact state through a locus A having a predetermined distance from the start point P1 is specified as an end point P2 (X2, Y2).
The coordinate information is also detected as vector information, and the direction of the vector, that is, the direction of the tracing operation is detected and reflected in the scroll direction.
The start point, end point, trajectory length, and vector direction are stored in the RAM 155 as coordinate information.

These coordinate information is converted by the CPU 151 as information for scrolling the image displayed on the screen, and the distance of the locus A moved from P1 to P2 is used as the scroll amount, and the vector direction, that is, the direction in which the locus is drawn. A process of reflecting in the scroll direction is performed, and the image on the screen 106 is scrolled through the process of the image processing unit 152.
Specifically, as shown in FIG. 5, when the finger is moved upward on the touch panel from P1 to P2, the screen is moved upward by the distance of the locus between P1 and P2, that is, X2 in the horizontal direction. -X1 is scrolled vertically by Y2-Y1.
Note that the scrolling can be performed both in the vertical direction and in the horizontal direction at the same time, or may be set to scroll only in one direction.
The front surface detection unit 401 functions as the touch panel controller 157.

The scroll amount may be the same as the length of the trajectory traversed, that is, the scroll may be scrolled at the same speed as the traversing operation, but when a tracing operation of a certain length or more is performed within a predetermined time. Depending on the length, the scrolling speed may be accelerated.
In addition, the scroll display can be limited to the period from when the finger or the like actually touches the touch panel until the finger is released, or after the release, the scroll can be continued by the inertial movement while being attenuated.

The back surface detection unit 402 detects a tracing operation of the second touch panel 108 provided on the back surface of the screen 106.
Similar to the front surface detection unit 401, the start point and end point of the finger touching the touch panel are detected, and the movement distance and vector direction are detected from the movement locus of the finger.
The back surface detection unit 402 detects the back surface tracing operation on the premise that the front surface tracing operation by the front surface detection unit 401 is detected.
The back surface detection unit 402 functions as the touch panel controller 157.

The tilt measurement unit 403 measures the tilt of the portable terminal 100 with respect to the horizontal plane, that is, the tilt of the screen, using the tilt sensor 109 built in the portable terminal 100.
As the tilt sensor, for example, a uniaxial acceleration sensor is used. The acceleration sensor is a sensor that detects an acceleration of the sensor itself, that is, a speed change per second, and can also detect a gravitational acceleration. In the portable terminal 100 according to the present embodiment, it is desirable to use a MEMS (Micro Electro Mechanical Systems) type acceleration sensor suitable for a small device.

  Further, a gyro sensor that is a sensor that detects an angle or an angular velocity can be used as the tilt sensor. Also in this case, it is preferable to use a MEMS type gyro sensor.

A method for measuring the tilt of the portable terminal in this embodiment using a MEMS acceleration sensor will be described with reference to FIG.
The uniaxial acceleration sensor responds to dynamic acceleration in the X-axis direction when the horizontal axis of the portable terminal 100 is the X-axis and the vertical axis is the Y-axis. If the acceleration is not working, that is, if the game machine is horizontal with respect to the ground, the sensor outputs an offset voltage indicating 0 gram, so that the inclination is determined to be zero.

When the portable terminal 100 is rotated in the vertical direction (in the directions of arrows a and b) about the X axis, the output voltage increases and shows a maximum value in a state where it is inclined by 90 °. Using this principle, the inclination angle θ can be detected.
In addition, the inclination of the portable terminal 100 can also be obtained using a MEMS gyro sensor.

From the inclination obtained by such an inclination sensor, an “inclination acceleration condition” is obtained. Here, the “tilt acceleration condition” refers to a condition for allowing a double-sided tracing operation to be detected if the screen of the portable terminal satisfies a predetermined tilt condition.
For example, when the direction from the back of the screen to the front of the screen determined from the measured tilt has a component opposite to gravity, the tilt acceleration condition is satisfied.

As shown in FIG. 7, when the portable terminal 100 is gripped horizontally with respect to the ground, the direction from the back of the screen to the front of the screen is the gravity as shown by a vector B. It has a component opposite to the vector direction A.
Consider a case where the portable terminal 100 is tilted 90 ° from the position of the vector B and is in the state of the vector C when the user is operating the portable terminal 100. Vector C has an angle of 90 ° with the direction of gravity (vector A). If this angle exceeds 90 °, the direction of gravity (vector A) and the direction from the back side to the front side of the screen will face the same direction as gravity.
Therefore, when the angle α between the direction from the back of the screen toward the front of the screen and the vector A is in the range of 90 ° <α <270 °, the direction of gravity and the direction from the back to the front of the screen are opposite to gravity. Will turn to.
As long as the range of the angle α is within the above range, an arbitrary value can be set.

  By setting such tilt acceleration conditions, when the user is holding the portable terminal in an unstable state, an operation to increase the scroll speed cannot be performed even if the rear scroll is performed. It has become.

The display unit 404 scrolls and displays an image displayed on the screen 106 based on the results detected by the front surface detection unit 402 and the back surface detection unit 403.
If the tilt acceleration condition is satisfied, a message to that effect is displayed on the screen.
The user traces the second touch panel 108 on the rear side by recognizing the display such as “double-sided touch panel operation is possible” and “scroll speed can be increased” that the tilt acceleration condition is satisfied. Recognize that the operation is possible.
The image processing unit 157, the LCD controller, and the like function as the display unit 404.

  In the present embodiment, the scrolling speed is increased by satisfying the predetermined stroking acceleration condition on the assumption that the predetermined tilt acceleration condition is satisfied while the front stroking operation is detected. be able to.

The “tracing acceleration condition” is a condition under which a scroll speed can be accelerated if a predetermined condition is satisfied after a backside tracing operation is detected.
For example, the distance between the trajectory on the screen of the front tracing operation and the trajectory on the screen of the rear tracing operation is within a predetermined distance range, and the directions of both trajectories are within the predetermined direction.
Here, the fact that the distance between the trajectory on the screen of the front tracing operation and the trajectory on the screen of the rear tracing operation is within a predetermined distance range is referred to as “first tracing acceleration condition”, and the directions of both trajectories are Being within the range of the predetermined direction is referred to as “second tracing acceleration condition”.
By satisfying both the first tracing acceleration condition and the second tracing acceleration condition, the tracing acceleration condition is satisfied.

The principle of detecting that the distance between the trajectory on the front trace operation screen and the trajectory on the rear trace operation screen is within a predetermined distance range will be described with reference to FIG.
In FIG. 8, the locus | trajectory which performed the trace operation on the 1st touch panel 107 arrange | positioned on the front surface of a screen using a finger | toe etc. is shown as the continuous line 8a, and on the 2nd touch panel 108 arrange | positioned on the back surface of a screen etc. A trajectory of the tracing operation using is shown by a dotted line 8b.

The front tracing operation is performed from the start point P3 to the end point P4 as indicated by the solid line 8a. At this time, the coordinates continuously move from (X1, Y1) to (X2, Y2).
Further, the backside tracing operation is performed from the start point P5 to the end point 6, as indicated by a dotted line 8b. At this time, the coordinates continuously move from (X3, Y3) to (X4, Y4).
These pieces of coordinate information are temporarily stored in the RAM 155 or the like.

In the present embodiment, the distance between the trajectory on the front tracing operation screen and the trajectory on the rear tracing operation screen is obtained as follows.
An intermediate point of the solid line 8 a that is the locus of the front surface is obtained from the coordinate information stored in the RAM 155. That is, from the coordinates (X1, Y1) of the start point P3 and the coordinates (X2, Y2) of the end point P4, the intermediate point xa is obtained as the coordinates (XM1, YM1).
Further, the intermediate point of the dotted line 8 b that is the locus of the back surface is obtained from the coordinate information stored in the RAM 155.
That is, from the coordinates (X3, Y3) of the start point P5 and the coordinates (X4, Y4) of the end point P6, the intermediate point xb is obtained as the coordinates (XM2, YM2).
Then, the distance L between the two points is obtained from the obtained coordinate information of the intermediate point xa and the intermediate point xb, and this value is the distance between the trajectory on the front tracing operation screen and the trajectory on the rear tracing operation screen. .

If the distance L is within a predetermined distance range, the first tracing acceleration condition is satisfied. When the distance is within the predetermined distance range, for example, a case where the length of the distance L is 0 ≦ L ≦ 10 (mm) can be set.
If the detected distance L is within the above range, the first tracing acceleration condition is satisfied.
The distance L can be set to an arbitrary value within a range that does not hinder the operation.

An actual example of obtaining the distance between the trajectory on the front tracing operation screen and the trajectory on the rear tracing operation screen will be described with reference to a specific example shown in FIG.
In FIG. 9 (a), the locus of the front tracing operation is indicated by 9a, and the locus of the rear tracing operation is indicated by 9b. The midpoint between the two loci is obtained by xc and xd, respectively. If the distance l between xc and xd is within the range of 0 ≦ l ≦ 10 (mm), the first tracing acceleration condition is satisfied.
In FIG. 9B, the locus of the front tracing operation is indicated by 9c, and the locus of the rear tracing operation is indicated by 9d. The midpoint of both trajectories is indicated by xe and xf, respectively. In the case of this specific example, the place where both trajectories intersect is an intermediate point, so the distance between xc and xd is 0, which satisfies the first tracing acceleration condition.
In general, as shown in FIG. 9B, the distance range of both loci is preferably 0, which is a state where both loci intersect.
That is, if the user operates within the range where the two trajectories intersect, the user operates with the fingers crossed, so that the device can be gripped in a stable posture, and a safe operation is possible.

  The “tracing acceleration condition” means that the trajectory of the front tracing operation and the trajectory of the rear tracing operation satisfy the “first tracing acceleration condition” and that the directions of both trajectories are within a predetermined direction range. It is necessary to satisfy the “tracing acceleration condition”.

Hereinafter, the “second tracing acceleration condition” will be described.
“The directions of both loci are within a predetermined direction range” is, for example, a range having components in which the directions of both loci are opposite.
Specifically, the directions of both loci are determined as shown in FIG.

  As shown in FIG. 10A, the locus of the front tracing operation that traces the first touch panel 107 on the screen 106 is indicated by 10 a, and the locus of the rear tracing operation that traces the second touch panel 108 on the back of the screen 106 is indicated by 10 b. It shows with. As shown by both loci 10a and 10b, the front and back surfaces are each dragged at an angle.

As shown in FIG. 10B, the angles formed by the two loci are obtained by superimposing the respective intermediate points xg and xh. If the angle θ formed by both loci is 90 ° <θ <270 °, it can be said that the directions of both loci are components in the opposite direction. For example, the case where the angle θ falls within the range of 150 ° <θ <180 °. It is set as a range in which the directions of both loci have opposite components.
When it is determined that the directions of the two loci are opposite, the second tracing acceleration condition is satisfied.
If the “tracing acceleration condition” described above is satisfied, the scroll speed is set to a value accelerated than in the case of only the front tracing operation.

(Operation processing)
An operation process of the portable terminal 100 having the above configuration will be described with reference to a flowchart shown in FIG.

  When the portable terminal 100 is turned on, the process is started through an initialization process. In the initialization process, a program stored in the ROM 201 of the cartridge 200 as information necessary for starting information processing is read into the storage unit (RAM 155).

When the information processing is started, the inclination of the screen 106 is detected (step S1101).
Specifically, the inclination is measured by the inclination measuring unit 403. The inclination is measured by an inclination sensor 109 built in the portable terminal 100. As the tilt sensor 109, a uniaxial acceleration sensor or a gyro sensor for detecting angular velocity is used.
As shown in FIG. 6, the uniaxial acceleration sensor measures how much the Y axis is tilted about the X axis, which is the vertical axis of the portable terminal 100. That is, the tilt sensor 106 detects in which direction the portable terminal 100 is tilted up and down around the X axis. Similar tilt measurement can be performed using a gyro sensor.

  It should be noted that it is possible to determine whether or not the tilt acceleration condition is satisfied while the user's finger is directly touching and touching the first touch panel 107, or the user's finger is the first finger It is released from the touch panel 107, but can be performed while the scroll process is continued.

An inclination acceleration condition is obtained from the inclination obtained by the inclination sensor 109. As the tilt acceleration condition, for example, when the direction from the back surface to the front surface of the screen does not have a component opposite to gravity, it is determined that the tilt acceleration condition is satisfied.
If this inclination acceleration condition is not satisfied (NO; Step S1102), only the front surface tracing operation is detected (Step S1103).

And the front surface detection part 401 detects the tracing operation with the 1st touch panel 107 which is a front surface touch panel (step S1103). If it is detected that the front surface tracing operation has been performed (YES; step S1104), the coordinate information of the front surface tracing operation is written in the RAM 155, and further read processing is performed.
The CPU 151 sets a predetermined scroll speed for the read information (step S1105). Then, the image on the display screen is scrolled at the set scroll speed (step S1112).

  On the other hand, if the screen tilt satisfies a predetermined tilt acceleration condition, the display unit 404 displays on the screen that the condition for accelerating the scroll speed is satisfied (step S1106). The user recognizes from the information displayed on the screen that a back-tracing operation is also possible.

  At this time, the front surface detection unit 401 and the back surface detection unit 402 are in a detectable state, and the tracing operation is detected by the first touch panel 107 and the second touch panel 108 (step S1107).

If there is a front tracing operation (YES; step S1108), it is further detected whether or not there is a rear tracing operation (step S1109).
If there is no front trace operation (NO; step S1108), the scroll process is not performed, and the process proceeds to another process (step S1113).

  If there is no back-tracing operation (NO; step S1109), it is considered that only the front-side operation has been performed, the predetermined scroll speed is set (step S1105), and the screen image is scrolled at the set speed (step S1112). ).

If there is a back-tracing operation (YES; Step S1109), it is determined whether or not a tracing acceleration condition is satisfied (Step S1110). That is, the distance between the trajectory on the front trace operation screen as the “first trace acceleration condition” and the trajectory on the rear trace operation screen is within a predetermined distance range, and “the second trace acceleration condition”. The directions of both trajectories are within the range of the predetermined direction.
If the tracing acceleration condition is not satisfied (NO; step S1110), it is considered that only the front tracing operation has been performed, and a predetermined scroll speed is set (step S1105), and the screen image is scrolled at the set speed (step S1105). Step S1112).

On the other hand, if the tracing acceleration condition is satisfied (YES; Step S1110), the scroll speed accelerated from the time of only the front tracing operation is set (Step S1111), and the screen is displayed to scroll at the set speed. (Step S1112).
Note that the setting for accelerating the scroll speed may be set in association with the speed of the front sled operation or the speed of the back stroking operation.
For example, the higher the tracing operation speed, the higher the degree of acceleration can be set.

When the scroll speed is set to a predetermined value or when the scroll speed is set to be accelerated, the screen image is scrolled at each set speed, and the process proceeds to other processing (step S1113).
Other processing includes processing for stopping the scroll processing and other information processing.

In addition, as long as the location where the drag operation on the touch panel can satisfy the tilt acceleration condition and the trace acceleration condition, any location can be used according to the application of the portable terminal.
That is, the front tracing operation and the rear tracing operation may be performed at both ends in the left-right direction of the portable terminal, or may be performed at both ends in the vertical direction of the portable terminal device.
For example, if you drag the left and right edges, you can scroll up and down, and if you drag on either edge, you can scroll left and right. is there.

As explained above, in a portable terminal equipped with a double-sided touch panel, the scrolling speed is increased if certain conditions are met by starting the back-tracing operation while scrolling using the front-side stroking operation. Can be made.
In the case of a portable terminal, the user's attitude toward the terminal is often inclined as the operation progresses. In particular, when a scroll operation is performed, the user tends to tilt the portable terminal in the vertical direction with respect to the horizontal plane. Therefore, when the tilt is measured by the tilt measuring unit shown in the present embodiment and a certain condition is satisfied. It is useful to enable a double-sided tracing operation only on a portable terminal.
In particular, in a game device that requires quick operation, when an option is selected quickly or when the user quickly moves to the next stage, the operation can be performed intuitively and quickly, which is beneficial.

  In addition, when performing a double-sided tracing operation, by imposing a certain condition on the operation state, it is possible to suggest to the user an appropriate device gripping method and operating method during the double-sided tracing operation.

  As described above, according to the present invention, in the information display device using the touch panel, the information display device, the information display method, and the like, which can quickly scroll the image displayed on the screen by the tracing operation on both sides of the touch panel, In addition, it is possible to provide a program that realizes these on a computer.

100: portable terminal 101: wireless communication unit 102: communication controller 103: sound amplifier 104: speaker 105: operation key 106: screen 107: first touch panel 108: second touch panel 110: connector 120: touch panel 150: processing Control unit 151: CPU
152: Image processing device 153: Audio processing unit 154: ROM
155: RAM
156: LCD controller 157: Touch panel controller 200: Cartridge 201: ROM
202: RAM
401: Front detection unit 402: Back detection unit 403: Tilt measurement unit 404: Display unit

Claims (8)

  1. A display that displays information on the screen in a scrollable manner;
    A front detection unit that detects a front tracing operation with respect to the front of the screen;
    A back surface detection unit for detecting a back stroking operation on the back surface of the screen;
    An inclination measuring unit for measuring the inclination of the screen, and
    The display unit
    (A) When the front tracing operation is detected, the information is scrolled in the direction of the front tracing operation on the screen;
    (B) When the measured tilt satisfies the predetermined tilt acceleration condition while the information is scrolled on the screen, the rear surface tracing operation is detected, and the rear surface tracing operation satisfies the predetermined tracing acceleration condition An information display device characterized by increasing a scrolling speed of the information.
  2. The information display device according to claim 1,
    The predetermined acceleration condition is satisfied when the direction from the back surface to the front surface of the screen obtained from the measured tilt has a component opposite to gravity. Display device.
  3. The information display device according to claim 1 or 2,
    The distance between the detected trajectory on the screen of the front tracing operation and the detected trajectory on the screen of the rear tracing operation is within a predetermined distance range, and the directions of the both trajectories are within the predetermined direction range. The information display apparatus according to claim 1, wherein the predetermined tracing acceleration condition is satisfied.
  4. The information display device according to claim 3,
    The predetermined direction range is a range having components in which the directions of the two loci are opposite to each other.
  5. The information display device according to claim 3 or 4,
    The information display apparatus according to claim 1, wherein the predetermined distance range is a range where the two trajectories intersect.
  6. The information display device according to any one of claims 1 to 5,
    The display unit further displays on the screen whether or not the measured tilt satisfies a predetermined tilt acceleration condition.
  7. An information display method executed by the information display device, wherein the information display device includes a display unit, a front surface detection unit, a back surface detection unit, and an inclination measurement unit,
    A display process in which the display unit displays information on the screen in a scrollable manner;
    A front surface detection step in which a front surface detection unit detects a front surface tracing operation on the front surface of the screen;
    A back surface detection step in which a back surface detection unit detects a back surface tracing operation with respect to the back surface of the screen;
    An inclination measuring step in which an inclination measuring unit measures the inclination of the screen;
    With
    In the display step, when the display unit detects (a) the front-side tracing operation, the information is scrolled in the direction of the front-side tracing operation on the screen;
    (B) When the measured tilt satisfies the predetermined tilt acceleration condition while the information is scrolled on the screen, the rear surface tracing operation is detected, and the rear surface tracing operation satisfies the predetermined tracing acceleration condition An information display method characterized by increasing a scrolling speed of the information.
  8. A program for causing a computer to function as an information display device, wherein the program displays the computer on a screen so that information can be scrolled.
    A front detection unit that detects a front tracing operation with respect to the front of the screen;
    A back surface detection unit for detecting a back stroking operation on the back surface of the screen;
    Function as an inclination measuring unit for measuring the inclination of the screen,
    The display unit
    (A) When the front tracing operation is detected, the information is scrolled in the direction of the front tracing operation on the screen;
    (B) When the measured tilt satisfies the predetermined tilt acceleration condition while the information is scrolled on the screen, the rear surface tracing operation is detected, and the rear surface tracing operation satisfies the predetermined tracing acceleration condition A program that functions to increase the speed at which the information is scrolled.
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