KR100516609B1 - Display adjusting system in television according to input signal and method of the same - Google Patents

Abstract

An apparatus for setting a lower surface of a television according to an input signal according to the present invention comprises: an input signal separator for selecting and separating an input signal from a computer; A sync signal stabilizer for stably converting an input analog signal to digital; An analog to digital converter for converting an analog signal into a digital signal; A video processor for converting the signal to be displayed on a television; At least a microprocessor and storage means are included, and a control unit for displaying the screen on the television by at least the screen position and screen size information input by the user to fit the input signal, characterized in that the screen of the present invention The setting method may include: displaying a screen with an initial setting value of an initial position and a size of a screen according to the image signal according to an image signal input from a computer; If the screen is correct, the initial setting value is maintained, and if the displayed screen is not correct, the screen adjustment includes a position shift box and / or a zoom box and / or a fine adjustment box and / or an initial setting return box. Manipulating the screen setting by a graphic user interface comprising a setting unit and a screen adjustment execution unit according to each of the selected boxes; And when the screen setting is manipulated, displaying the adjusted value, and storing and ending the adjusted value.

The present invention has the effect of being able to enjoy a high quality screen by converting the image signal output from each computer to be suitable for television output.

Description

Display adjusting system in television according to input signal and method of the same}

The present invention relates to an apparatus and method for setting a screen input in various forms and output to a television, and more particularly, not only an air wave receiver built into the television itself, but also various input signals input from other devices. The present invention relates to an apparatus and method for setting a screen of a television according to an input signal, which can be viewed and set in the best form. In particular, the present invention relates to an apparatus and a method for enabling a user to view a high quality screen of an RGB signal input from a computer.

Recently, as personal computers become high quality, more and more users are watching videos by the computers. However, since a monitor of a general computer has a small screen and is inconvenient to watch a moving picture or the like, an attempt has been made to watch a moving picture of a computer on a large-screen television. To this end, conventional TVs are provided with another input terminal such as an RGB input terminal to receive a signal output from a video card of a computer and watch it.

On the other hand, the screen formed on the television by the external signal input of the computer, such as RGB signal, there is a problem that the readability of the character is poor due to the reduced resolution of the television, but the accurate color expression and live video that the computer monitor cannot express Because of the possibility of outputting, the possibility of using a television is particularly high when watching a video using an output signal of a computer.

In addition, this phenomenon has become a more important function of use as the TV becomes high quality as the home theater and the so-called HTPC (Home Theater PC) for watching a video of a computer on a television are widely used in homes. It is emerging.

However, the screen signal output through the computer not only differs in the number and frequency of pixels in the range from VGA to XGA, but also in the form of synchronizing signal and signal flow even though the basic output signal format is the same. With regard to processing, there are differences depending on the manufacturer of the graphics card.

Therefore, the position and size of the screen output to the television is different, and thus, the user's adjustment is essential to adjust the position and size of the screen differently output according to the input signal.

1 is a screen illustrating a method of adjusting a conventional overscanned screen.

Referring to Fig. 1, an output screen from a computer displayed on a screen of a television does not appear on the entire effective screen of the television, and an overscan portion 2 is generated on the outer periphery of the screen. This phenomenon occurs because the position / size information of the screen according to the input signal preset in the television does not match the input RGB input signal.

In addition, since a task display window and an icon for operating the computer are located on the lower and left sides of the computer screen output from the graphics card, there is a problem in that the overscan portion is not visible to the user and the operation of the computer becomes impossible. Can be.

In order to solve this problem, in general, when a television is used as a monitor of a computer, it is common to cause an unscan to occur so that all output screens appear on the screen of the television.

2 is a screen illustrating a method of adjusting a conventional underscanned screen.

Referring to FIG. 2, in order to solve the problem occurring in the underscanned screen, all screens output from the graphics card are displayed on the screen of the television. Instead, the outer periphery of the displayed screen is the effective screen and the image of the television. This unscanned underscan portion 3 is generated.

In order to prevent viewing of the screen by the underscan portion 3, the screen position is adjusted so that the position of the screen is centered on the effective screen. For this purpose, the position adjustment display unit 1 is operated, and the position of the screen is adjusted by adjusting the remote controller according to the arrow displayed on the position adjustment display unit 1.

The positioning display unit 1 may be equally applied to the overscanned screen shown in FIG. 1.

However, even with such a position adjustment, since it is impossible to fill all the effective screens of the television, there is a problem in that the whole of the effective screens cannot be used and the large sized television cannot be used properly.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide an apparatus and method for setting a screen of a television capable of suitably outputting an image signal output from a computer to a television.

In particular, it is an object of the present invention to provide an apparatus and method for setting a screen of a television in accordance with an input signal that enables a video signal of a graphics card input through an RGB input terminal to be displayed on the entire effective screen of the television.

In addition, it is an object of the present invention to provide a screen setting apparatus and method for a television that allows a user to more conveniently adjust and view an output screen from a computer by simplifying the screen setting method.

It is also an object of the present invention to provide a graphic user interface (GUI) of a television that allows the screen displayed to be more beautiful by allowing the screen adjustment to be suitable for a television to be output for a monitor having high readability of characters. It is done.

According to an aspect of the present invention, there is provided an apparatus for setting a screen of a television, comprising: an input signal separator for selecting and separating an input signal from a computer; A sync signal stabilizer for stably converting an input analog signal to digital; An analog to digital converter for converting an analog signal into a digital signal; A video processor for converting the signal to be displayed on a television; At least a microprocessor and a storage means are included, and the controller is configured to display the screen on the television by at least screen position and screen size information input by the user so as to conform to the input signal.

In addition, the screen setting method of the television according to the present invention comprises the steps of inputting a video signal through the input terminal; Determining whether the synchronization signal is included in the image signal and ending when there is no synchronization signal, and determining the format of the image signal when the synchronization signal is included; Displaying a screen with an initial setting value of an initial position and a size of a screen according to the determined video signal; Performing adjustment on a predetermined setting including a screen size when the user wants to adjust the screen setting, and when there is no screen setting by the user, maintaining and ending the initial setting value; And when the screen setting is manipulated, displaying the adjusted value, and storing the adjusted value and ending.

According to another aspect of the present invention, there is provided a method for setting a screen of a television, the method comprising: displaying a screen with an initial setting value of an initial position and a size of a screen according to the video signal inputted from a computer; If the screen is correct, the initial setting value is maintained, and if the displayed screen is not correct, the screen adjustment includes a position shift box and / or a zoom box and / or a fine adjustment box and / or an initial setting return box. Manipulating the screen setting by a graphic user interface including a setting unit and a screen adjustment execution unit according to each of the selected boxes; And displaying the adjusted value when the screen setting is manipulated, and storing and ending the adjusted value.

According to an aspect of the present invention, a graphical user interface includes a position moving box for moving a screen position and a zoom box for zooming in and out of a screen for adjusting a television output of an input signal input from a computer. A screen adjustment setting unit including a fine adjustment box for adjusting a value and / or an initial setting return box for returning to an initial setting value, and a screen operated to perform adjustment according to each box selected by the screen adjustment setting part. An adjustment execution unit is included to adjust the size, position, and image quality of the screen according to the input signal.

With the configuration as shown, there is an effect that the screen output from the computer can be completely and accurately implemented by the television.

In addition, the user can modify the settings of the screen more conveniently.

Hereinafter, with reference to the drawings will be described a specific embodiment of the present invention. However, the embodiments of the present invention are not limited to the spirit of the present invention, and another embodiment can be easily produced by adding, deleting, or easily changing other components.

3 is a block diagram of a screen setting apparatus of a television according to an input signal according to the spirit of the present invention.

Referring to FIG. 3, an input signal selector 11 for selectively separating an image signal input from the outside and a sync signal stabilizer for stably converting an input analog signal to digital ( Sync Stabilizer 12, an Analog to Digital Converter (ADC) 13 for converting an analog signal into a digital signal, and a video processor 14 for converting the signal to be displayed on a television. The controller 10 further includes at least a microprocessor to control the above-described elements.

For example, the image signal input from the outside is an RGBHV (Red, Green, Blue, Horizontal-Sync, Vertical-Sync) input signal input through the RGB input terminal, and the television may be a cathode ray tube.

The process of screen adjustment by the above-described configuration will be briefly described. Based on the RGB signal input to the video processor 14 by the controller 10 and the sync signal, the number of lines of the frame, the number of frames per second, and the like are determined and input. Adjust the format, position and size of the signal. To this end, the controller 10 includes at least a microprocessor and storage means. The storage means is preferably EEPROM.

In detail, the television stores a standard processing method for the initial position and size of each video signal including RGB input in the control unit 10, and extracts the format of the input video signal when the video signal is input from the outside. After reading the initial position and size that match the extracted format, the image is output to the television.

However, with respect to the specific processing method of the graphics card, which varies depending on the type and the manufacturer of the graphics card, it is impossible to completely correct the position and size of the screen. Therefore, when the position and size of the screen differ from the television, after the user adjusts the position and size of the screen, the information regarding the adjusted position and size of the screen is stored in the storage means, and the stored position / size information The image input from the computer is displayed.

Hereinafter, with reference to the drawings, a screen setting method according to the input signal proposed in the present invention will be described in detail.

4 is a flowchart illustrating a screen setting method of a television according to an input signal according to the present invention.

Referring to FIG. 4, an image signal is input through an input terminal (St 11). The input terminal may be an RGB input terminal, and the input signal may be an RGB signal input from a computer.

After the signal is input, it is determined whether the input signal includes a sync signal. If the sync signal is not included, the input signal is missing or not correct. All methods are terminated, and if the sync signal is included. Go to the next step (St 12). Meanwhile, the synchronization signal may be read from the ADC (see 13 in FIG. 3).

When the synchronization signal is included, data related to signals such as the number of lines per frame (for example, 640 * 480) and the number of frames per second (for example, 50 Hz) are determined (St 13). The format of the image of the input signal is determined based on the number of lines per frame and the number of frames per second, and the screen is displayed with information on the position and size of the screen which are initially set according to the format of the determined image (St 14 ).

However, when the overscan and / or underscan occurs because the position and size of the screen displayed on the television do not match, the user makes adjustments. If the displayed screen is within the effective screen of the television, the initial setting value is maintained (St 17), and the screen setting method is terminated. However, if the video of the displayed screen and the effective screen of the television do not match, and the screen needs to be adjusted, the process proceeds to the next step (St 15).

If the user wants to adjust the position and size of the screen, fine adjustment is best performed for the screen position, screen size, and television (St 16). At this time, the user selects the screen that is most appropriately output while viewing the screen displayed while the screen is being adjusted.

After the screen is selected, it is displayed on the screen of the television as the new setting value (St 18), and the new screen setting value is stored in the storage means so that it can be used for the next use of the device (St 19).

In particular, the user will be presented in detail a series of processes to perform fine adjustments for adjusting the screen position, screen size, and screen quality.

5 to 8 are diagrams illustrating a method of adjusting a screen setting by a user by the screen setting method of the present invention.

Referring to FIG. 5, when the user wants to adjust the screen position, the user presses the screen setting button or the computer control button on the remote controller or the television main body. By this operation, a certain box appears on the screen of the television, and the screen adjustment setting unit 21 and the screen adjustment execution unit 22 are displayed on the displayed box.

The screen adjustment setting unit 21 includes a position moving box 211, a zoom box 212, a fine adjustment box 213, and an initial setting return box 214. When the position movement box 211 is selected, the position adjustment execution unit 22 displays four directions of arrows indicating the movement direction of the screen to be moved when the position of the screen is moved.

If the OK button or the right arrow is pressed when the position movement box 211 is selected, the position of the screen can be adjusted within the effective screen of the television, that is, the screen adjustment execution unit 22 is in an operating state. The arrow of the remote control or the main body of the television formed in the direction is adjusted so that the displayed screen is placed in the center of the effective television screen.

After the screen is correctly positioned at the center of the television effective screen, the confirmation button is pressed to move to the screen adjustment setting section 21, whereby another adjustment of the screen is performed.

Referring to FIG. 6, when the user wants to adjust the screen size, the user presses a screen setting button or a computer control button on the remote controller or the television main body. In the same way as the position adjustment, a certain box appears on the screen of the television, and the same box is displayed as in the case where the screen adjustment setting unit 21 and the screen adjustment execution unit 22 adjust the position of the screen. . The screen adjustment setting unit 21 and the screen adjustment execution unit 22 may be displayed in the same manner as in the case of adjusting the position of the screen.

Then, the user operates in a downward direction while the screen adjustment setting unit 21 is selected so that the zoom box 212 is selected. After the enlargement / reduction of the screen is selected, press the OK button or the right arrow to move to the screen adjustment execution unit 22 so that the top, bottom, left and right sizes of the screen fit the effective screen of the television.

After the resizing of the screen is completed, the screen is adjusted to the screen adjustment setting unit 21 by pressing the confirmation button, and the resizing of the screen is finished.

Referring to FIG. 7, when the user wants to perform fine adjustment of the screen, the screen adjustment setting unit 21 and the screen adjustment execution unit 22 appear as described above with reference to FIGS. 5 and 6, and the arrows The fine adjustment box 213 is selected. Fine tuning of the screen is performed in the range of -16 ~ + 16.

In the fine adjustment, after the sampling rate of the screen most suitable for the television is adjusted among the signals output from the computer, the fine adjustment is finished by pressing the confirmation button.

To describe the fine adjustment as described above in more detail, it is common to perform sampling to process an RGB input signal input as an analog signal to a digital signal in a video processor. When performing this sampling process, by adjusting the sampling interval or the number of sampling, the most suitable sampling interval or sampling number in the relationship between the individual computer and the television is selected. The value selected in the fine adjustment is a process corresponding to the sampling interval or the number of sampling to form the most suitable digital signal.

By allowing the fine adjustment to be performed in this way, by selecting a sampling interval or the number of sampling that can vary from computer to computer, it is possible to improve the readability of characters that may fall on a television as compared to a monitor, and to view a higher quality image.

On the other hand, while the user adjusts the screen position, the screen size, etc., there may be a case where the setting is made incorrectly so that it is set to a position or a size that deviates much from the effective screen of the television. In this case, it may be set back to the screen position or size previously stored in the storage means.

Referring to FIG. 8, when the user wants to return to the initial setting state, the screen adjustment setting unit 21 and the screen adjustment execution unit 22 appear as described above with reference to FIGS. 5, 6, and 7. After selecting the initial setting box 214 in the screen adjustment setting unit 21, press the OK button or the right arrow to move to the screen setting execution unit 22 to return to the initial state before adjusting the setting state of the screen. If it is decided whether or not to return to the initial state, it moves to the initial setting value previously stored in the television so that the screen adjustment can be started again.

5 to 8, in the present invention, the screen size, the screen position, the fine adjustment of the screen, the initial setting regression is implemented, the user's convenience can be maximized.

On the other hand, the specific configuration of the screen adjustment setting unit 21 and the screen adjustment execution unit 22 can be changed and used appropriately for the user according to the state, it is not limited to the shape as shown.

The present invention proposes a graphical user interface (GUI) that can adapt a video signal output from a computer to a television, thereby increasing user convenience.

The present invention has the effect of converting the image signal output from each computer to be suitable for a television and outputting to enjoy a high quality screen.

In particular, the video signal input through the RGB input terminal can be displayed on the entire effective screen of the cathode ray tube, so that it can be scanned in a suitable state and enjoy a high quality screen.

In addition, by simplifying the screen setting method, the user can adjust the output screen of the computer more conveniently.

1 is a screen illustrating a method of adjusting a conventional overscanned screen.

2 is a screen illustrating a method of adjusting a conventional underscanned screen.

3 is a block diagram of a screen setting apparatus of a television according to an input signal according to the present invention;

4 is a flowchart illustrating a screen setting method of a television according to an input signal according to the present invention.

5 to 8 are diagrams illustrating a method of adjusting a screen setting by a user by the screen setting method of the present invention.

<Explanation of symbols for the main parts of the drawings>

1: Position adjustment display part 2: Overscan part 3: Underscan part

11: input signal separator 12: sync signal stabilizer

13: analog-to-digital converter 14: video processor

10: control unit 21: screen adjustment setting unit

22: screen adjustment execution unit 211: position shift box

212: zoom box 213: fine adjustment box

214: initial setting regression box

Claims (9)

An input signal separator for selecting and separating an input signal of a computer; An analog to digital converter for converting an analog signal input from the input signal separator into a digital signal; A video processor for processing the signal to display the digital signal output from the analog-to-digital converter on a television; A control unit including at least a microprocessor and storage means such that an input signal constituting one screen of the computer is displayed on the entire effective screen of the television by an input operation including information on a screen position and screen size of a user; Television screen setting apparatus according to the input signal, characterized in that it comprises a. The method of claim 1, And the storage means is an EEPROM. The method of claim 1, And the input signal is an RGB signal. Inputting a video signal through an input terminal; Determining whether the synchronization signal is included in the image signal and ending when there is no synchronization signal, and determining the format of the image signal when the synchronization signal is included; Displaying a screen with an initial setting value of an initial position and a size of a screen according to the determined video signal; If you want to adjust the screen settings by the user, make adjustments to the predetermined settings so that the video signal constituting one screen is displayed on the entire effective screen by the input operation including the screen position and screen size information of the user. If there is no screen setting by the user, maintaining and exiting the initial setting value; And If the screen setting has been manipulated, displaying the adjusted value, and storing the adjusted value and ending the stored value. The method of claim 4, wherein And the screen setting adjusted by the user includes screen position and / or fine adjustment. The method of claim 4, wherein The adjustment of the screen setting by the user, A screen adjustment setting unit including a position moving box and / or a zoom box and / or a fine adjustment box, and a screen adjustment execution unit operated by an arrow for adjustment according to each box selected by the screen adjustment setting unit. Graphical user interface Screen setting method according to the input signal, characterized in that made by. The method of claim 4, wherein At the time of adjustment of screen setting by user, A graphic user interface including a screen adjustment setting unit including a initial setting return box for the user to return to the initial setting value, and a screen adjustment execution unit for confirming returning to the initial setting. Screen setting method according to the input signal, characterized in that made by. Displaying a screen with an initial setting value of an initial position and a size of a screen according to the video signal according to an image signal input from a computer; When the input signal constituting one screen is displayed on the entire effective screen, the initial setting value is maintained. When the input signal constituting one screen is not displayed on the entire effective screen, the position shift box and / or the zoom box And / or operating the screen setting by a graphic user interface including a screen adjustment setting unit including a fine adjustment box and / or an initial setting return box, and a screen adjustment execution unit according to each of the selected boxes; And If the screen setting is operated, displaying the adjusted value, and storing and ending the adjusted value. In order to adjust the television output so that an input signal constituting one screen input from the computer is displayed on the entire effective screen of the television, A screen that includes a position shift box for moving the position of the screen, a zoom box for zooming in and zoom out of the screen, and / or a fine adjustment box for adjusting the state of the screen and / or an initial return box for returning to the initial setting. With adjustment setting part, And a graphic user interface formed on one side of the screen adjustment setting unit to change a setting state of a screen according to an input signal including a screen adjustment execution unit which is operated to perform adjustment for each selected box.