KR20190106972A - Portable terminal having touch screen and method for performing function thereof - Google Patents

Abstract

The present invention relates to a portable terminal and a function control method thereof. The portable terminal includes: a touch screen including a display part for displaying a function execution screen when a function is executed, and a touch panel for sensing a drag occurring on the function execution screen; a control part controlling at least one control interaction guide for guiding a control command, which is able to be executed on the function execution screen, to enable the guide to be displayed on the function execution screen when sensing a request for displaying the control interaction guide during the display of the function execution screen, and controlling the execution of a function corresponding to a control command responding to the drag by detecting the control command when sensing the drag from the touch screen; and a memory storing the control interaction guide able to be displayed on the function execution screen and the control command able to be executed on the function execution screen under the control of the control part. According to the present invention, since a control interaction guide is displayed on a function execution screen when a function is executed in a portable terminal, a control command able to be executed on the function execution screen is guided for a user of the portable terminal. Therefore, user convenience in the use of a portable terminal can be improved.

Description

A portable terminal having a touch screen and a method of controlling the function thereof {PORTABLE TERMINAL HAVING TOUCH SCREEN AND METHOD FOR PERFORMING FUNCTION THEREOF}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal and a method of controlling its function, and more particularly, to a portable terminal having a touch screen and a method of controlling its function.

In general, a portable terminal performs a complex function by adding various functions. In other words, the current mobile terminal is equipped with various multimedia functions such as a camera, a digital multimedia broadcasting (DMB), and a Bluetooth communication function in addition to a call function. In this case, the portable terminal has an input unit such as a keyboard or a mouse for inputting a control command for controlling various functions, but there is a problem that it is not easy to carry. Accordingly, in order to overcome the above problems, current portable terminals have a touch screen instead of a keyboard or a mouse.

However, such a mobile terminal is not easy to control various functions using the touch screen. That is, the portable terminal controls the function according to the intuitive operation of the user. For this reason, the portable terminal can control the function differently from the intention of the user. Accordingly, there is a problem in that the user's convenience is deteriorated in using the portable terminal.

In order to solve the above problems, a function control method of a mobile terminal having a touch screen according to the present invention may be performed on a function execution screen when a function is executed, a function execution screen is displayed, and a control interaction guide display request is detected. Displaying at least one control interaction guide for guiding a control command on a function execution screen; and detecting a control command corresponding to the drag and performing a function corresponding to the control command when a drag is detected. It is characterized by.

In addition, the portable terminal according to the present invention for solving the above problems, a touch screen having a display unit for displaying a function execution screen and a touch panel for detecting a drag generated on the function execution screen when the function is executed, and When a control interaction guide display request is detected while displaying a function execution screen, at least one control interaction guide for guiding a control command that can be performed on the function execution screen is controlled to be displayed on the function execution screen, and when a drag is detected on the touch screen. A control unit that detects the control command corresponding to the drag and performs a function corresponding to the control command, and a control command that can be executed on the function execution screen and a function execution screen that can be displayed on the function execution screen under the control of the control unit; The control interaction guide It characterized in that it comprises a memory for storing.

Therefore, the portable terminal having the touch screen and the function control method according to the present invention as described above, by displaying the control interaction guide on the function execution screen, when the function is executed in the portable terminal, the function execution screen for the user of the portable terminal Guide control commands that can be performed. As a result, the portable terminal can control the function in accordance with the intention of the user. That is, the portable terminal can easily control various functions using the touch screen. Accordingly, there is an advantage in that the user's convenience is improved in using the portable terminal.

1 is a block diagram showing a schematic configuration of a portable terminal according to an embodiment of the present invention;
2 is a flowchart illustrating a function execution procedure according to an embodiment of the present invention;
3A to 3E are exemplary views showing an example of the configuration of a screen displayed when performing a function execution procedure according to an embodiment of the present invention;
4 is a flowchart illustrating a function execution procedure according to another embodiment of the present invention.

Hereinafter, exemplary embodiments will be described in more detail with reference to the accompanying drawings.

In the following description, the term "function execution screen" means a screen displayed when a specific function is executed in the portable terminal. The term "control command" refers to a lower function that can be performed on a function execution screen when a specific function is performed in the mobile terminal. Such a control command may be, for example, a zoom in command, a zoom out command, a brightness control command, or the like that can be executed when executing a camera function. Alternatively, the control command may be, for example, a volume control command, a next audio file play command, a previous audio file play command, or the like, when the audio play function is executed. In this case, the control command may be a move command to a menu of an upper layer or a lower layer, a move command in the same layer, or the like. And the control command may be performed by the operation of the portable terminal user. The term "control interaction guide" refers to an image for guiding a control command that can be performed on a function execution screen in a mobile terminal. At this time, according to the function execution screen, at least one control interaction guide may exist, and the control interaction guide may not exist. Such a control interaction guide may include a direction image indicating an operation direction that a user of the portable terminal should perform in order to perform a corresponding control command in the portable terminal. The control interaction guide may include a symbol image that metaphorically represents an attribute of a corresponding control command.

The term "touch" refers to the act of a user of the mobile terminal touching a finger on the touch screen. The term "drag" refers to an action of a user of a mobile terminal moving a finger on a touch screen, i.e., touching a finger. The term " drop " means that the user of the mobile terminal touches on the touch screen, i.e., lifts a finger in contact with the touch screen.

1 is a block diagram showing a schematic configuration of a portable terminal according to an embodiment of the present invention. In the present embodiment, a description will be given on the assumption that the portable terminal is a portable telephone.

Referring to FIG. 1, the mobile terminal 100 includes a wireless communication unit 110, a touch screen 120, an access sensor 130, a memory 140, a controller 150, and an audio processor 160.

The wireless communication unit 110 performs a wireless communication function of the mobile terminal 100. The wireless communication unit 110 includes an RF transmitter for up-converting and amplifying a frequency of a transmitted signal, and an RF receiver for amplifying a received signal and down-converting a frequency of the received signal.

The touch screen 120 includes a display unit 121 and a touch panel 123. The display unit 121 displays the state of the portable terminal 100. In this case, the display unit 121 is implemented as an LCD, and includes an LCD controller, a memory capable of storing display data, and an LCD display device. The touch panel 123 is mounted on the display unit 121 and includes a touch detector and a signal converter. The touch detector detects a control command of a touch such as a touch, drag, drop, etc., from a change in physical quantity, for example, resistance or capacitance. In addition, the signal converter converts the change in the physical quantity into a touch signal.

The proximity sensor 130 detects an approach to the touch screen 120. The approach sensor 130 may detect, for example, a change in temperature, a change in illuminance, etc. within a predetermined distance. In this case, at least one access sensor 130 may be installed on the rear surface of the display unit 121. Alternatively, at least one approach sensor 130 may be installed on at least one side of the four sides of the display unit 121. For example, when the single access sensor 130 is installed, the access sensor 130 may be arranged to detect the hand of the user of the mobile terminal 100 moving on the access sensor 130.

The memory 140 is composed of a program memory and a data memory. The program memory stores a control command program of the mobile terminal 100 and a program for executing a function using a touch screen according to an embodiment of the present invention. The data memory stores data generated during program execution. The memory 140 stores control commands that can be executed in each function execution screen according to an exemplary embodiment of the present invention. The memory 140 also stores a control interaction guide for guiding each control command in accordance with an embodiment of the present invention.

The controller 150 controls the overall control command of the mobile terminal 100. The controller 150 includes a data processor including a transmitter for encoding and modulating a transmitted signal and a receiver for demodulating and decoding a received signal. Such a data processing unit may be composed of a modem and a codec.

In addition, the controller 150 controls to display a function execution screen when executing a function according to an embodiment of the present invention. In addition, when the controller 150 detects a request for displaying the control interaction guide while displaying the function execution screen, the controller 150 searches for and displays the control interaction guide that can be displayed on the function execution screen. In this case, when an access is detected on the touch screen 120 through the access sensor 130, the controller 150 may regard this as a request for displaying a control interaction guide. When the touch is detected on the touch screen 120 while displaying the control interaction guide, the controller 150 may remove the control interaction guide from the function execution screen. Alternatively, the controller 150 may remove the control interaction guide from the function execution screen when the guide display period elapses during the display of the control interaction guide. In addition, when a drag is detected on the touch screen 120, the controller 150 detects and controls a control command corresponding to the drag.

The audio processor 160 reproduces the received audio signal output from the audio codec of the data processor and generates the audio signal through the speaker SPK, or transmits the transmitted audio signal generated from the microphone MIC to the audio codec of the data processor. Do this.

2 is a flowchart illustrating a function execution procedure according to an embodiment of the present invention. 3A to 3E are exemplary diagrams illustrating a configuration example of a screen displayed when a function execution procedure is performed according to an embodiment of the present invention. 3A to 3E illustrate examples of screens that can be displayed when the camera function is executed. Here, FIG. 3A illustrates a screen displayed when the function is executed, FIG. 3B illustrates a screen displayed when the approach is detected, FIG. 3C illustrates a screen displayed when the touch is detected, and FIG. 3D illustrates a drag detection. FIG. 3D illustrates a screen to be displayed, and FIG. 3D illustrates a screen to be displayed when a drop is detected.

Referring to FIG. 2, the function execution procedure of the present embodiment starts from the control unit 150 displaying a function execution screen as shown in FIG. 3A in step 211. For example, when executing a camera function, the controller 150 may display a preview image on a function execution screen. After that, when an access occurs on the touch screen 120, the controller 150 detects this in step 213, and searches for a control interaction guide in step 215. That is, the controller 150 searches for control commands and control interaction guides stored in the memory 140.

Next, the controller 150 determines whether there is a control interaction guide stored to be displayed on the function execution screen in step 217. That is, the controller 150 determines whether there is a control command that can be executed on the function execution screen and a control interaction guide corresponding thereto. If it is determined that there is a control interaction guide stored to be displayed on the function execution screen, the control unit 150 displays the control interaction guide on the function execution screen, as shown in FIG. 3B, in step 219. For example, the controller 150 may detect that there is a zoom-in control command, a zoom-out control command, a control command for increasing brightness, and a control command for decreasing brightness as control commands that can be executed in the preview image. The controller 150 may detect a control interaction guide corresponding to each detected control command and display the control interaction guide on the preview image.

Subsequently, when a touch occurs in the touch screen 120, the controller 150 detects this in step 221, and displays a function execution screen in step 223 as shown in FIG. 3C. That is, the controller 150 removes the control interaction guide from the function execution screen.

Subsequently, when a drag of the touch occurs in the touch screen 120, the controller 150 detects this in step 225 and calculates a drag variation value in step 227. At this time, the controller 150 calculates a drag variation value from the change of the touch coordinate in the drag path. That is, the controller 150 calculates the length of the drag path, the drag direction, the drag speed, and the like. In operation 229, the controller 150 performs a control command. That is, the controller 150 detects a control command that can be executed on the function execution screen in response to the drag change value. In addition, the controller 150 performs the detected control command. For example, if the length of the drag path is x pixels and the drag direction is upward in the calculated drag variation value, the controller 150 may enlarge the preview screen y times (where y = mx and m are constants). ). In this case, the memory 140 may pre-map and store an execution degree of a control command that can be executed according to the drag change value. In addition, although not shown, the controller 150 may display a change value according to the control on the function execution screen.

Finally, if a drag drop occurs in the touch screen 120, the controller 150 detects this in step 231, and terminates the function execution procedure as shown in FIG. 3E. In this case, if the drop of the drag is not detected through the touch screen 120, the controller 150 may repeat steps 225 to 231 until the drop of the drag is detected.

On the other hand, if the drag of the touch is not detected in step 225 and the drop of the touch occurs in the touch screen 120, the controller 150 detects it in step 231 and terminates the function execution procedure. In this case, if a drop of touch is not detected through the touch screen 120, the controller 150 may repeat steps 225 to 231 until a drop of the touch is detected.

Meanwhile, in the present exemplary embodiment, when an access is detected on the touch screen while displaying the function execution screen in the portable terminal, an example of searching for the control interaction guide is disclosed, but is not limited thereto. That is, the present invention can be implemented by displaying different control interaction guides according to positions where access to the touch screen is sensed while displaying the function execution screen in the portable terminal. In addition, the present invention can be implemented by detecting a request for displaying a control interaction guide while displaying a function execution screen in a portable terminal. For example, when a touch and a drop of a touch are sensed on the touch screen while displaying a function execution screen in the portable terminal, this may be regarded as a request for displaying a control interaction guide. Alternatively, when a drag and a drop for drawing a specific character in addition to the touch and the drop of the touch are detected in the mobile terminal, this may be regarded as a request for displaying a control interaction guide.

Meanwhile, in the present exemplary embodiment, when a touch is detected on the touch screen while the control interaction guide is displayed on the function execution screen in the portable terminal, an example of removing the control interaction guide is disclosed, but the present invention is not limited thereto. That is, the present invention can be implemented by detecting a request for removing the control interaction guide while displaying the control interaction guide on the function execution screen in the portable terminal. For example, the portable terminal may store a guide display period for displaying each control interaction guide in a memory. When the guide display period of the control interaction guide is displayed on the function execution screen in the mobile terminal, this may be regarded as a request for removing the control interaction guide.

According to the present invention, when a function is executed in a portable terminal, a control interaction guide is displayed on the function execution screen, thereby guiding a control command that can be executed on the function execution screen for the user of the portable terminal. As a result, the portable terminal can execute a function in accordance with the intention of the user. That is, the portable terminal can easily execute various functions using the touch screen. Accordingly, there is an advantage in that the user's convenience is improved in using the portable terminal.

4 is a flowchart illustrating a function execution procedure according to another embodiment of the present invention. Here, since the mobile terminal performing the present embodiment has a similar basic configuration to the mobile terminal of the above-described embodiment, a detailed description thereof will be omitted. However, even if the portable terminal of the present embodiment does not have an access sensor, the present invention can be implemented.

Referring to FIG. 4, the function execution procedure of the present embodiment starts from the control unit 150 displaying a function execution screen in step 411. Thereafter, when a touch occurs in the touch screen 120, the controller 150 detects this in step 413 and searches for the control interaction guide in step 415. That is, the controller 150 searches for control commands and control interaction guides stored in the memory 140.

In operation 417, the controller 150 determines whether there is a control interaction guide stored to be displayed on the function execution screen. That is, the controller 150 determines whether there is a control command that can be executed on the function execution screen and a control interaction guide corresponding thereto. If it is determined that there is a control interaction guide stored to be displayed on the function execution screen, the controller 150 displays the control interaction guide on the function execution screen in step 419.

Subsequently, if a touch drag occurs in the touch screen 120, the controller 150 detects this in step 421 and displays a function execution screen in step 423. That is, the controller 150 removes the control interaction guide from the function execution screen. The controller 150 calculates a drag change value in step 425. At this time, the controller 150 calculates a drag variation value from the change of the touch coordinate in the drag path. That is, the controller 150 calculates the length of the drag path, the drag direction, the drag speed, and the like. In addition, the controller 150 performs a control command in step 427. That is, the controller 150 detects a control command that can be executed on the function execution screen in response to the drag change value. The controller 150 performs the detected control command on the function execution screen. In this case, the memory 140 may pre-map and store the degree of the control command that can be executed according to the drag change value. In addition, although not shown, the controller 150 may display a change value according to the execution of the control command on the function execution screen.

Finally, if a drag drop occurs in the touch screen 120, the controller 150 detects this in step 429 and ends the function execution procedure. In this case, if the drop of the drag is not detected through the touch screen 120, the controller 150 may repeat steps 421 to 429 until the drop of the drag is detected.

On the other hand, if the drag of the touch is not detected in step 421 and a drop of the touch occurs in the touch screen 120, the controller 150 detects this in step 429 and ends the function execution procedure. In this case, if the drop of the touch is not detected through the touch screen 120, the controller 150 may repeat steps 421 to 429 until the drop of the touch is detected.

Meanwhile, in the present exemplary embodiment, when a touch is detected on the touch screen while displaying the function execution screen in the portable terminal, an example of searching for the control interaction guide is disclosed, but is not limited thereto. That is, the present invention can be implemented by displaying different control interaction guides according to positions where a touch is sensed on the touch screen while displaying the function execution screen in the portable terminal.

Meanwhile, in the present exemplary embodiment, when the drag is detected on the touch screen while the control interaction guide is displayed on the function execution screen in the mobile terminal, an example in which the control interaction guide is removed is not limited thereto. That is, the present invention can be implemented by detecting a request for removing the control interaction guide while displaying the control interaction guide on the function execution screen in the portable terminal. For example, the portable terminal may store a guide display period for displaying each control interaction guide in a memory. When the guide display period of the control interaction guide is displayed on the function execution screen in the mobile terminal, this may be regarded as a request for removing the control interaction guide.

According to the present invention, when a function is executed in a portable terminal, a control interaction guide is displayed on the function execution screen, thereby guiding a control command that can be executed on the function execution screen for the user of the portable terminal. As a result, the portable terminal can execute a function in accordance with the intention of the user. That is, the portable terminal can easily execute various functions using the touch screen. Accordingly, there is an advantage in that the user's convenience is improved in using the portable terminal.

Claims (18)

A plurality of applications including a camera application is installed, the method of taking an image of an electronic device comprising a camera
Executing the camera application among the plurality of applications to display a real-time preview image on a touch screen of the electronic device;
Displaying a plurality of GUI items together on the real-time preview image;
Among the plurality of GUI items, a first GUI item is for adjusting a visual characteristic of the real-time preview image, and a second GUI item among the plurality of GUI items is for image capturing, and the real-time preview image While receiving a drag on the first GUI item above, adjusting the visual feature of the real-time preview image corresponding to the first GUI item and adjusting the visual feature according to the drag on the touch screen. Displaying a real time preview image; And
Photographing, using the camera, an image of which the visual feature is adjusted according to the drag in response to a touch corresponding to the second GUI item among the plurality of GUI items,
The real time preview image is obtained by the camera of the electronic device, characterized in that for displaying the image capture. The method of claim 1,
And wherein the visual feature corresponding to the first GUI item of the plurality of GUIs is adjusted based on the direction of the drag. The method of claim 1,
And wherein said visual feature is the brightness of said real-time preview image. The method of claim 1,
The plurality of GUI items
And symmetrically disposed with respect to the second GUI item for capturing an image. The method of claim 1,
And wherein the touch corresponding to the second GUI item of the plurality of GUI items is received while the plurality of GUI items are displayed on the real-time preview image. The method of claim 1,
And wherein the plurality of GUI items are displayed together in the real time preview image in response to receiving a touch over the real time preview image. A plurality of applications including a camera application is installed, the electronic device comprising a camera,
A memory for storing instructions; And
A processor for executing the stored instructions,
The stored instructions
Controlling the camera application among the plurality of applications to be executed to display a real-time preview image on the touch screen of the electronic device;
Controlling to display a plurality of GUI items together on the real-time preview image;
Among the plurality of GUI items, a first GUI item is for adjusting a visual characteristic of the real-time preview image, and a second GUI item among the plurality of GUI items is for image capturing, and the real-time preview image While receiving a drag on the first GUI item above, controlling to adjust the visual feature of the real-time preview image corresponding to the first GUI item and adjusting the visual feature according to the drag on the touch screen. Controlling the displayed real-time preview image to be displayed; And
And controlling to capture an image of which the visual feature is adjusted according to the drag using the camera in response to a touch corresponding to the second GUI item among the plurality of GUI items.
And the real-time preview image is obtained through the camera of the electronic device and displayed for image capturing. The method of claim 7, wherein
The visual feature corresponding to the first GUI item among the plurality of GUIs is adjusted based on the direction of the drag. The method of claim 7, wherein
And wherein the visual characteristic is brightness of the real time preview image. The method of claim 7, wherein
The plurality of GUI items
And symmetrically disposed with respect to the second GUI item for capturing an image. The method of claim 7, wherein
And wherein the touch corresponding to the second GUI item of the plurality of GUI items is received while the plurality of GUI items are displayed on the real-time preview image. The method of claim 7, wherein
And the plurality of GUI items are displayed together in the real time preview image in response to receiving a touch on the real time preview image. A computer-readable non-transitory recording medium storing instructions including a camera application among a plurality of applications installed in an electronic device, the method comprising:
The instructions are executed by a processor of the electronic device,
The commands are
Controlling the camera application among the plurality of applications to be executed to display a real-time preview image on the touch screen of the electronic device;
Controlling to display a plurality of GUI items together on the real-time preview image;
Among the plurality of GUI items, a first GUI item is for adjusting a visual characteristic of the real-time preview image, and a second GUI item among the plurality of GUI items is for image capturing, and the real-time preview image While receiving a drag on the first GUI item above, controlling to adjust the visual feature of the real-time preview image corresponding to the first GUI item and adjusting the visual feature according to the drag on the touch screen. Controlling the displayed real-time preview image to be displayed; And
And controlling to capture an image of which the visual feature is adjusted according to the drag using the camera in response to a touch corresponding to the second GUI item among the plurality of GUI items.
And the real-time preview image is acquired by the camera of the electronic device and displayed for image capturing. The method of claim 13,
And wherein the visual feature corresponding to the first GUI item of the plurality of GUIs is adjusted based on the direction of the drag. The method of claim 13,
And wherein said visual characteristic is the brightness of said real-time preview image. The method of claim 13,
The plurality of GUI items
And a symmetrical arrangement with respect to said second GUI item for capturing an image. The method of claim 13,
And wherein the touch corresponding to the second GUI item of the plurality of GUI items is received while the plurality of GUI items are displayed on the real-time preview image. The method of claim 13,
And the plurality of GUI items are displayed together in the real-time preview image in response to receiving a touch over the real-time preview image.

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