CN1112664C - Video-frequency display device with thermal key function and its method - Google Patents

Abstract

A video display device with a hot key function and its method are disclosed, wherein the current mode of the entire system can be changed by a user. If the information about the menu item selected by the user from the OSD menu of the video display device is stored in the memory unit as hot key button information, the information is read from the memory unit to be executed whenever the user selects the hot key button , the hotkey button information can be reset according to the user's intention, so that the user can more easily and conveniently control the functions of the video display device.

Description

Video display device with hotkey function and method thereof

Technical field

The present invention relates to a video display device with a hot key function and a method thereof, in particular to a video display device with a hot key function and a method thereof that can select and change the current mode of the entire system of the video display device through a user's hot key button .

Background technique

Devices such as televisions, monitors, etc. have various functions enabling them to be adjusted according to user's intention.

For televisions, there are various functions such as color adjustment, volume control of audio signals, audio signal muting, etc. For monitors, there are various functions such as screen size adjustment, screen position adjustment, screen contrast/brightness adjustment, audio Signal muting, etc., these functions can be controlled by the user.

That is, most video display devices have one or more buttons for the user to control them for the above-mentioned functions, these buttons are used to output signals for immediately performing the above-mentioned functions of controlling the video display device, or these buttons are used to output signals , for on-screen display (OSD, on-screen display) menu screens, each of which has one or more menu items, enabling the user to control the video display device.

At the same time, with the development of technology, more functions of the video display device are added, many of which can be adjusted by the user at once.

Therefore, the method of immediately realizing the above-mentioned functions by using the above-mentioned buttons has a problem when additional buttons are required due to the need for additional functions.

Therefore, the function control method in the video display device is realized by the OSD menu method instead of the traditional button method.

Here, the above-mentioned OSD menu method is described with reference to FIG. 1 .

If the user presses an OSD button on the front panel of the video display device, as shown in FIG. 1, the video display device displays an OSD menu screen on which OSD menu items are displayed and a cursor is placed on a predetermined menu item.

Accordingly, in order for the user to select a menu item on the OSD menu screen, the user should move the current position of the cursor by using arrow buttons on the video display device or an additionally provided input device.

That is, in order for the user to select "AUDIO MUTE (audio mute)" on the screen shown in FIG. 1A, the user should move the cursor down three times from the current position of the cursor by using the arrow buttons.

If after moving the cursor to the menu item of "AUDIO MUTE" as described above, a running command is executed, the OSD menu screen shown in Figure 1B is displayed on the video display device, and the audio sound output by the speaker is muted simultaneously.

However, since the OSD menu display method should have additional OSD menu items every time a function of the video display device is added, as in the button type display method, the OSD menu screen has one or more OSD submenu screens to be displayed .

Therefore, if the user re-establishes the environment of the video display device by using one of the OSD menu items of the video display device, there will be a problem because the user repeatedly presses the arrow button to select the OSD menu item, so the time used to select the OSD menu item The cycle is lengthened.

Also, from a design point of view, the number of menu selection buttons on the front of the conventional video display device should be reduced, but the functions of the video display device tend to increase due to multimedia. In this way, there is a problem that when the design of the video display device is emphasized, the user may feel inconvenience due to the function control method, or when the user-friendly function control method is adopted, due to the increase of buttons equipped according to the increased function, The design of the video display device becomes bulky.

Contents of the invention

Accordingly, in order to solve the above-mentioned problems, an object of the present invention is to provide a video display device with a hot key function and a method thereof. Among some of the items, a hot key button is selected as an item frequently selected by the user, the video display device can be controlled with a function set by the user, and the video display device is input for the hot key button.

In order to achieve the above object, a video display device has a hot key function for outputting one or more on-screen display (OSD) menu items on the screen according to user's button selection, and for The unit selects a menu item from the OSD menu items to control the entire system. The video display device of the present invention includes: the button unit that also includes a hot key button, which is used to output corresponding to the selected item according to the user's selection. a key signal of a menu item of the OSD menu; a memory unit having information about the OSD menu item set for the hot key button; an OSD unit for outputting an OSD character display signal to a control signal input from the outside in response to a control signal input from the outside a video processing unit and for displaying OSD characters on the screen; and a control unit for, if the hot key button is pressed by the user, if a predetermined time period has elapsed by counting the time period that the hot key button is pressed time period, judging whether the information corresponding to the currently selected OSD menu item is consistent with the information corresponding to the OSD menu item stored in the memory unit, and if the two kinds of information are not consistent with each other, making The memory unit has information on the currently selected OSD menu item.

In order to achieve the above object, a method for setting a hot key button for a video display device includes the following steps: (A) judging whether the user has selected a hot key button; (B) if the user has selected the hot key button, then judge whether the hotkey button information set by the user exists in the memory unit; (C) if the hotkey button information set by the user exists, then read the information set by the user the hotkey button information, or if the hotkey button information does not exist, then read the hotkey button information as the default setting in the memory unit; (D) in the hotkey corresponding to the read In the function of key button information, control the whole system or display the OSD menu screen.

Description of drawings

By describing preferred embodiments of the present invention in detail with reference to the accompanying drawings, the above-mentioned purpose and other advantages of the present invention will become clearer, in the accompanying drawings:

1 is a screen view for explaining OSD menu item selection and processing according to the prior art;

2 is a diagram for schematically illustrating the structure of a video display device with a hot key function according to an embodiment of the present invention;

3 is a flowchart for explaining a method for resetting hotkey button information in a memory according to an embodiment of the present invention;

4 is a flowchart for explaining a processing method when a hot key button is selected according to an embodiment of the present invention; and

FIG. 5 is a screen view for explaining an embodiment of the present invention.

Detailed ways

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 2 is a diagram for schematically showing the structure of a video display device with a hot key function according to an embodiment of the present invention, which will be described below.

That is, the button unit 10 has at least one or more buttons, and is mounted on the main body of a video display device such as a television, a monitor, or the like.

In an embodiment of the invention, this is typically a power key.

The button unit 10 may further include hot key buttons each having information on one of the OSD menu items selected by the user.

The memory unit 20 stores information corresponding to each OSD menu item, there is information for controlling functions of the video display device and information about each hot key button, and also stores information about hot key buttons changed by control of the control unit 30 to be described later. key button information.

If an OSD menu item is selected through the button unit 10 to display the OSD menu on the screen, the control unit 30 outputs an OSD character display signal to the OSD unit 40 .

In addition, if a hot key button is selected through the button unit 10 after selecting a menu item on the OSD menu screen (the OSD menu is displayed on the screen), the control unit 30 changes the hot key button information stored in the memory unit 20, stores information about Change hotkey button information for the currently selected OSD menu item.

In addition, if a hot key button is selected through the button unit 10 , the control unit 30 controls the entire system by reading the hot key button information stored in the memory unit 20 . At this time, if there is no information on the selected hot key button, the control unit 30 controls the entire system by reading information on OSD menu items set by default.

If the embodiment of the present invention is limited to a monitor, the control unit 30 is not shown in the figure, but the control unit 30 inputs a color signal and a synchronous signal from a video card built in a computer to control the video processing unit 50 described later, If an embodiment of the present invention is limited to a television, the control unit 30 inputs a broadcast signal received through an antenna to control the video processing unit 50 .

The OSD unit 40 outputs an OSD character signal according to the OSD character display signal input from the control unit 30 .

The video processing unit 50 synchronizes the OSD character signal input from the OSD unit 40 with the video signal according to the control signal of the control unit 30 to display characters on the screen.

The processing method of storing hot key button information and selecting a hot key button in the video display device with the above structure according to the embodiment of the present invention will be described in more detail below with reference to the accompanying drawings.

The control unit 30 installed in the embodiment of the present invention mainly has two modes, one is the setting mode, which is used to set the OSD menu frequently visited by the user in the OSD menu of the video display device as the hot key button information, and the other is the setting mode. The second is the processing mode, which is used to control the entire system based on the hotkey button information if the user selects the set hotkey button information.

First, the setting mode of the hot key button information by the control unit 30 will be described with reference to FIG. 3 . If the user presses a button (not shown) for outputting an OSD menu mounted on the video display device, the control unit 30 receives a signal from the pressed button, outputs an OSD character display signal to the OSD unit 40, so that the The OSD menu is displayed on the screen.

The OSD unit 40 receives the OSD character display signal, outputs the OSD character signal to the video processing unit 50, and the video processing unit 50 adds the OSD character signal to the video signal to display the OSD menu on the screen (S320).

Accordingly, the control unit 30 judges whether the user selects a menu item from the OSD menu displayed on the screen through the button unit 10 (S330). If the judgment result is that a menu item is selected, the control unit 30 judges whether a hot key button is selected (S340). As a result of judgment in step S340, if the hot key button is selected, the control unit 30 changes the hot key button information stored in the memory unit 20 to information about the currently set OSD menu item, and stores the changed information (S350).

If the hot key button is not selected as a result of the judgment of step S340, the control unit 30 reads and executes information corresponding to the current setting of the OSD menu item from the memory unit 20 (S370) to control the entire function of the video display device.

If the OSD menu item selected from the OSD menu output on the screen is not included as a result of the judgment in step S330, the control unit 30 checks whether a cancel signal is input by the user, or whether a set no-signal input time period has elapsed, and judges Whether to cancel (S360).

If cancellation is made as a result of the judgment at step S360, the control unit 30 stops its execution.

Meanwhile, a processing mode of the control unit 30 for a hot key button is described with reference to FIG. 4 .

First, the control unit 30 judges whether a hot key button is selected by the user (S410). If the hot key button is selected as a result of the judgment, the control unit 30 judges whether information on the hot key button is set in the memory unit 20 (S420).

If, as a result of the judgment, there is information on the hot-key button, the control unit 30 reads the information on the hot-key button from the memory unit 20 (S430), performs an operation on the entire system to be controlled according to a signal corresponding to the information (S430). S450).

If, as a result of judgment in step S420, there is no information about resetting the hot key button in the memory unit 20, the control unit 30 of the video display device reads out the hot key button information (S440) set by default in the factory. , to perform its operation on the entire system to be controlled (S450).

If, as a result of judgment in step S420, there is no hot key button information reset in the memory unit 20, the control unit 30 of the video display device reads out the hot key button set by default in the factory from the memory unit 20 message (S440), and in response to the hot key button message, perform its operation on the entire system to be controlled (S450).

FIG. 5 is a screen view for explaining an embodiment of the present invention. As shown in FIG. 5, if the user selects a button from the buttons on the button unit 10 for outputting an OSD menu screen, the control unit 30 controls the OSD unit 40 so that the OSD menu is displayed on the screen, as shown in FIG. 5A.

At this time, under the state that the above-mentioned OSD menu is output on the screen, a hot key button is selected by the user, and the control unit 30 changes the hot key button information set in the memory unit 20 to "AUDIOMUTE" information, and stores The changed hotkey button information.

As described above, when the hot key button information is set to "AUDIO MUTE", if the user selects the hot key button while the video display device is performing any operation, as shown in FIG. 5B, the "AUDIO MUTE" message is output, The sound output through the speaker of the video display device is muffled.

Also, if OSD menu items are added due to various functions of the video display device, a plurality of sub-screens may be provided. A desired OSD menu screen among a plurality of sub screens can be controlled, stored in the memory unit 20 as hot key button information.

Accordingly, in the present invention as described above, if the user wants to control the frequently used and necessary functions of the video display device in the OSD menu screen or menu items, the user sets the hot key button information to display the desired OSD menu screen without Other OSD menu screens, such that the video display device provides the effect that the user can more easily and conveniently control the functions of the video display device.

Although preferred embodiments of the present invention have been described, those skilled in the art should understand that the present invention is not limited to the preferred embodiments described, without departing from the spirit and scope of the invention as defined by the appended claims. Below, changes and modifications can be made to the present invention.

Claims (4)

1. A video display device having a hot key function for outputting one or more on-screen display menu items on a screen according to user's button selection, and for switching from said on-screen display menu item by using a button unit manipulated by the user Select a menu item from the displayed menu items to control the entire system, which includes: further comprising said button unit of a hot key button for respectively outputting key signals corresponding to the selected menu items of the on-screen display menu according to user's selection; a memory unit having information about on-screen display menu items set for said hotkey button; an on-screen display unit for outputting an on-screen display character display signal to the video processing unit in response to a control signal input from the outside and for displaying characters on the on-screen display; and A control unit for judging whether the user corresponds to the currently selected screen if a predetermined time period has elapsed by counting the time period in which the hotkey button is pressed when the user presses the hotkey button. The information of the on-screen display menu item is consistent with the information corresponding to the on-screen display menu item stored in the memory unit, and if the two kinds of information are not consistent with each other, the memory unit has information about the currently selected Information of menu items is displayed on the screen. 2. The video display device according to claim 1, wherein the information about the hotkey buttons stored by the control unit in the memory unit is a specific OSD item or has one or more OSD The menu screen is displayed on the screen of the item. 3. A hot key button setting method for a video display device, comprising the following steps: (A) judging whether the user has selected a hotkey button; (B) if the user selects the hot key button, then judging whether the hot key button information set by the user exists in the memory unit; (C) If the hot button information set by the user exists, read the hot button information set by the user, or if the hot button information does not exist, read The hotkey button information as the default setting in the memory unit; (D) In a function corresponding to said read hot key button information, controlling the entire system or displaying a menu screen on a display screen. 4. The hot-key button setting method as claimed in claim 3, wherein the hot-key button information in step (B) is a specific OSD menu item or has one or more OSD menu items The menu screen is displayed on the screen.

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