KR100308310B1 - Method Of Multi Function Key Controlling For Picturephone - Google Patents

Abstract

According to the present invention, as a key for causing one key to perform a different function for each menu, the video telephone displays predetermined functions corresponding to each menu screen in correspondence with one key. A multi-key input control method of a video telephone which is operated.

The present invention corresponds to one key for each function to be executed in each menu to perform a menu-specific function of a video telephone, and displays a function corresponding to the one key in a specific menu as a function of a key corresponding thereto. A multi-key input control method of a video telephone, characterized in that for determining a key input and recognizing a function of an input key as the corresponding function displayed in the corresponding menu. Multi) enables you to reduce the number of required keys and easily recognize only the keys that are essential in the menu for each function.

Description

Method of Multi Function Key Controlling for Picturephone

The present invention relates to a method for implementing a multi-function key function for allowing one key to perform a number of different functions in a video telephone. The present invention relates to a menu screen. The present invention relates to a multi-key input control method of an image telephone, in which predetermined functions are associated with one key to display the function of the key, so that one key serves as a key for performing different functions for each menu.

1 is a block diagram of a video telephone, comprising: a camera unit 101 for obtaining an image signal, a camera drive for driving the camera unit 101, and inputting an image signal photographed by the camera unit 101; Image signals are compressed by controlling a signal input unit 102, a camera digital signal processor 103 for processing the image signals output from the camera driving and signal input unit 102, and the camera digital signal processor 103. A compression and decompression unit 104 for restoring processing, a system control unit 105 for controlling the signal processing of the camera digital signal processing unit 103, and performing compression, decompression and transmission control of an image signal; A monitor 106 for displaying a signal processed by the digital signal processing unit 103 and displaying a received image signal, and connected to the compression and decompression unit 104 to control the system control unit 105. A communication control and interface unit 107 for receiving image control and performing signal input / output, a key input unit 108 for inputting a user command or user input information to the system control unit 105, and the system control unit Memory unit 109 storing control information, image information, etc. of the 105 and a handset 110 connected to the communication control and interface unit 107 to perform voice transmission and reception, and the operation thereof is performed. As follows.

The camera unit 101 is composed of a lens and a CCD to convert the image into an electrical signal and output, and the drive and signal input unit 102 drives the CCD of the camera unit 101 to convert the image into an electrical signal The converted signal is received and supplied to the camera digital signal processor 103.

The camera digital signal processing unit 103 performs the processing of the luminance signal and the color signal under the control of the system control unit 105, connects to the compression and recovery unit 104, and also supplies the image to the monitor 106. Meanwhile, the received counterpart image is also displayed.

The compression and decompression unit 104 compresses the digital signal of the photographed image into a predetermined compression format under the control of the system control unit 105 and transmits the digital signal to the counterpart device through the communication control and interface unit 107 or the counterpart device. The image signal received from the processor is recovered to be displayed on the monitor 106.

The communication control and interface unit 107 is under the control of the system control unit 105 and is in charge of connecting (building) the communication line with the counterpart device and transmitting and receiving control information including image information.

Meanwhile, in order to perform the image communication function of the system controller 105, the user recognizes the information input through the key input unit 108. In this case, necessary information or image information may be stored using the memory 109. It may be read from the memory 109 and displayed on the monitor 106.

In addition, the handset 110 is connected to the communication control and interface unit 107 to be responsible for the transmission and reception of the user and the other party's voice signal during communication.

As described above, the operation of the video telephone requires not only a ten-key for dialing but also keys for selecting and executing various functions of the video telephone.

These keys increase in number as the function of the video phone increases, and as more keys are required, the keypad structure of the video phone becomes more complicated, and it becomes inconvenient for the user to find and manipulate keys to be used in a particular menu.

According to the present invention, in the key input control method for recognizing a key input command of a video telephone and executing a corresponding function, the number of keys required for video telephone operation can be reduced by allowing one key to execute various functions in a multi. In addition, the present invention provides a multi-key input control method of an image telephone, which enables to conveniently operate only a key necessary for a corresponding menu.

According to the present invention, in a key input control method for recognizing a key input command of a video telephone and executing a corresponding function, a function of a key required for the execution of the menu in a specific menu is assigned to the corresponding key so that one key can execute various functions. The present invention provides a method for controlling a multi-key input of an image telephone, in which the number of required keys is reduced and the necessary functions can be recognized and operated at a glance.

1 is a block diagram of a video telephone to which the present invention is applied.

2 is a flowchart of a multi-key input control method of the video telephone of the present invention.

3 is a view showing an example of a key function display state according to the multi-key input control of the present invention;

The multi-key input control method of the video telephone of the present invention; In order to perform the functions of the video telephone by menu, each function to be executed in each menu is mapped to one key, and the function corresponding to the one key in a specific menu is displayed as the function of the key corresponding to the key input. In order to determine and perform the function by recognizing the function of the input key as the corresponding function displayed in the menu,

Extracting a command set executable in accordance with the current screen mode from the entire command set, generating an absolute address of a key code selected according to a user's selection, and And mapping the extracted instruction set to the generated absolute address, and executing a corresponding function according to the mapped result.

1 is a block diagram of a video telephone to which the present invention is applied, its configuration and operation have already been described, and FIG. 2 is a flowchart showing an example of the multi-key input control method of the video telephone according to the present invention. 3 is a diagram showing some examples of key function display states in a particular menu displayed by the present invention.

Hereinafter, the present invention will be described in more detail with reference to FIGS. 1 to 3.

As shown in Fig. 2, in the first step 201, a default menu is displayed and a function of the menu is displayed.

That is, when there is a key input for the main menu from the key input unit 108 of the video telephone of Fig. 1, the main menu screen 301 is displayed on the monitor 106 as shown in Fig. 3, and the main menu screen 301 Required functions are displayed in correspondence with the first to fourth keys 302 to 305, respectively.

For example, the first key 302 is displayed in correspondence with the left movement function of the cursor (306), the second key 303 is displayed in correspondence with the right movement function of the cursor (307), and the third key 304 is used. ) Corresponds to a function of selecting a submenu in which the cursor is located in the main menu, and is displayed 308, and a fourth key 305 is displayed in correspondence with a function exiting from the main menu (309).

Correspondence of the functions of each of the first to fourth keys in the main menu is stored in, for example, the memory unit 109 so that the system controller 105 displays the corresponding functions in the menu near the key. By controlling the monitor 106, as in other submenus as well.

That is, the memory unit 109 extracts an instruction set executable according to the current screen mode from the entire instruction set, and waits for a key input corresponding to the instruction.

In step 202 of Fig. 2, the menu screen being displayed is determined to determine the key input by the user.

That is, the system control unit 105 determines which key is input to the key input unit 108, and when the function key is input, the process proceeds to step 203 where the function corresponding to the input key is transmitted to the memory unit 109. The function is recognized as stored in step 204 by recognizing it from the stored menu-specific function key keys 302 to 305 information.

This extracts an executable instruction set according to the current screen mode, generates an absolute address of a selected key code according to a user's selection, and maps the extracted instruction set to the absolute address. By mapping, the key input can be recognized, and the key input is performed by performing the corresponding function according to the mapped result.

For example, in FIG. 3, in the main menu screen 301, the first key 302 means the left movement command of the cursor by the display 306. When this key 302 is pressed, the left movement of the cursor is executed. will be.

If another menu is selected in the key input step 202, the process proceeds to step 205, in which the newly selected menu and the new key function to be used in the menu are displayed.

That is, as shown in FIG. 3, the system controller 105 displays a new menu screen 310 or 315 on the monitor 106, and the first to fourth keys 302 to 305 are used as a function to be used in each menu. The display (311 to 314 or 316 to 318) to be defined is performed, and then the key input from the menu is waited again.

For example, a new menu screen 315 shows the display state of the image, in which the first key 302 corresponds to the function to carry out the previous page, and the second key 303 goes to the next page. The third key 318 corresponds to the function to save the image, and the fourth key 319 corresponds to the function to exit from the screen.

Therefore, in the image display menu screen 315, when the user presses the first key 302, the system control section 105 selects the first key (from the respective key function correspondence information on the image display menu screen stored in the memory section 109). It is recognized that the input of 302) is a command to carry out the previous page, and performs the corresponding function.

That is, in FIG. 3, it can be seen that one key 302 acts as a key for performing different functions for each menu, and such multi-key input control is performed by four keys 302 as shown in FIG. Not only to 305, but also to the three screens 301, 310, and 315 as shown in FIG.

That is, Figure 3 shows an embodiment of the present invention, the present invention allows at least two or more different commands to be performed by one key input, where the function of the key is displayed in the vicinity of the key, which is displayed The information is appropriately changed to different contents depending on the menu.

In the present invention, in processing a key input command for performing various functions in a video telephone, a plurality of functions can be mapped to one key so that one key can perform different functions according to a menu when the key is pressed. The number of keys required for the video telephone can be reduced.

In the present invention, in processing a key input command for performing various functions in a video telephone, a plurality of functions correspond to one key, and at that time, the functions of the corresponding keys are displayed in the vicinity of the key. The function can be easily recognized and entered.

In the present invention, in processing a key input command for performing various functions in a video telephone, a plurality of functions are assigned to one key, and each time a corresponding function of the corresponding key is changed and displayed in the vicinity of the key, A plurality of key commands can be easily recognized and entered as keys.

Claims (2)

To correspond to a plurality of functions with one key in the video telephone so that multi-key input can be made; Extracting an instruction set executable in accordance with the current screen mode from the entire instruction set, generating an absolute address of a key code selected according to a user's selection, and mapping the extracted instruction set to the absolute address; And executing a corresponding function according to the mapped result. The method of claim 1, further comprising displaying a key function corresponding to a command set executable in the current screen mode.