KR0176458B1 - Method for memory and shiftting character position on screen display - Google Patents

Abstract

The present invention relates to a method of moving and storing a position of an OSD character.

More specifically, it consists of an initial process, a movement in a selection direction, an upward movement process, a downward movement process, a left movement process, a right movement process, a horizontal / vertical movement process, and a control character erasing process. If you move the position of the character only and use the erase key, it is easy to use by returning to the original position immediately. Also, in the memory and erasing, only the mode is operated independently so that the position of the character is saved for each mode. And it can be deleted to meet the needs of several people, and within the scope provided by the hardware can improve the function only with pure programs, the cost is reduced.

Description

How to Move and Save Character Positions on the On-Screen Display

1 is a simplified block diagram illustrating a circuit for performing the method for moving and storing an on-screen display character position according to the present invention.

2 is a diagram showing the configuration of a keypad attached to the television of FIG.

3 is a diagram showing the configuration of the remote controller of FIG.

4 is a view showing an embodiment for moving the position of the on-screen display text in the vertical direction according to the present invention.

5 is a view showing an embodiment for moving the position of the on-screen display text in the horizontal direction according to the present invention.

6 is a flowchart for performing a method for moving and storing the on-screen display text according to the present invention.

* Explanation of symbols for main parts of the drawings

100: keypad 200: remote control

300: remote control receiver 400: micom

500: display unit 600: tuner

700: intermediate frequency IC 800: video IC

900: Voice IC 801: RGB Matrix IC

802: RGB driver 901: amplifier

SP: Speaker 401: Stack

402: character ROM 403: OSD circuit

Q1: Transistor LED: Light Emitting Diode

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television having an On Screen Display (hereinafter referred to as an OSD) function, and more particularly, to vertically and horizontally move the position of an OSD character displayed on a screen, and to move the moved character. The present invention relates to a method of moving and storing an OSD character position that allows the user to save and delete the text.

In home appliances, more characters are being displayed on the screen at the same time with multi-function multi display and full menu control. As a result, subtitles from broadcasting stations cannot be hidden or movie subtitles cannot be viewed while watching a video.

In other words, if the OSD text is already displayed at a certain location at the factory, the user cannot change the text at all, or only some modes can be moved to a specific location. .

In addition, when the OSD text is moved, only the last mode moved can be memorized and other modes cannot be memorized in multi, and the text cannot be moved vertically and horizontally at the same time.

SUMMARY OF THE INVENTION The present invention has been made to solve this problem, and an object of the present invention is to vertically, horizontally, or vertically and horizontally position OSD characters only by using character position keys and four direction keys and programs for specifying character position changes without conventional hardware changes. By simultaneously moving in the direction, the OSD characters that cover the subtitles are moved to the desired place, which improves the inconvenience of not seeing the subtitles, and also enables the memory to be deleted and erased for each mode. The present invention provides a method of moving and storing an OSD character position that is convenient for the user.

In order to achieve the above object, the present invention provides a method for displaying a mode corresponding to a key input when a key is input from a keypad or a remote controller attached to the set while the power is on. When the character position key is input from the keypad or the remote controller while the OSD character is displayed, the initial process of setting the direction key to the position position key of the character so that the OSD character can be moved, and moving the displayed OSD character according to the input of the direction key The OSD moves in the horizontal / vertical direction within the upper, lower, left, and right limits supported by the OSD circuit by selectively inputting the direction key, and the position of the moved character at the same time. The horizontal / vertical shifting process stored in the control register and the position of the shifted character When erasing a key input in order to return value in the OSD character position movement and storage comprising a process of adjusting the character erase only the current display mode returns to the original position of the characters specified by the manufacturer.

Hereinafter, with reference to the accompanying drawings an embodiment according to the present invention will be described in detail.

1 is a block diagram schematically showing a circuit for performing the OSD character position shift and storage method according to the present invention.

In more detail, the keypad 100 (attached to the TV) and the remote control 200 provided with a character position key and a direction key for moving the position of the OSD character, and a key input from the remote control 200 are received. Remote control receiver 300, the microcomputer 400 for controlling the entire system according to the key signal provided from the keypad 100 and the remote control receiver 300, and the radio frequency (RF) induced in the antenna (ANT) Among them, another high frequency (produced within the receiver itself) is mixed with a high frequency tuned by a phase lock loop (hereinafter referred to as a PLL) signal provided by the microcomputer 400 to an intermediate frequency. After converting the tuner 600 and the intermediate frequency output from the tuner 600 and amplified and separated into a video signal and an audio signal, at the same time, automatic frequency control (AFC; Auto Frequency Control) to the microcomputer 400 Signal When the oscillation frequency of the oscillator circuit (not shown) is higher than the horizontal synchronizing signal sent from the transmitter, it automatically lowers the horizontal oscillation frequency and automatically raises it when the horizontal oscillation frequency is lowered so that the horizontal synchronism is always accurately obtained. ) Receives an intermediate frequency IC 700, an image signal output from the intermediate frequency IC 700, and an image control signal P′TL output from the microcomputer 400. After receiving the image IC 800, the audio signal output from the intermediate frequency IC 700 and the audio control signal (S'TL) output from the microcomputer 400 and amplified by the amplifier 901 It is composed of a voice IC 900 that outputs to the outside through the picker (SP).

In this case, the image control signal P'TL controls contrast, bright, color, tint, sharp, etc., and the audio control signal S'TL Control volume, bass, treble, balance and more.

The microcomputer 400 temporarily stores data RAM, a stack 41 used to store a return address when the microcomputer 400 processes the subroutine, and the microcomputer 400. ROM containing a program to be executed, a character ROM 42 having a CHARACTER font for displaying characters such as a selected channel number, volume control status, etc. on a television screen, and the character ROM ( 42) OSD circuit 43 which reads the character font to be displayed on the television screen, separates it into color signals R, G and B and luminance signal Y and outputs the information stored in the RAM. Arithmetic Logic Unit (ALU) that reads and executes operation according to the instructions of the microcomputer 400, and contains the address of the instruction in the memory to be executed next, and increments one by one to read the instructions stored in the memory continuously. Program to enable It consists of; (Program Counter PC) counter.

At this time, the OSD circuit 43 is provided with an OSD control register for storing the position data of the changed character according to each mode.

An RGB matrix IC 801 for synthesizing and outputting color signals R, G, and B and luminance Y signals provided from the OSD circuit 43 of the image IC 800 and the microcomputer 400; An RGB driver 802 receives the color signals R, G, and B and the luminance signal Y output from the RGB matrix IC 801 and displays them on the CRT.

In addition, the display unit 500 is connected to the microcomputer 400. The display unit 500 includes a transistor Q1 having a base terminal connected to the microcomputer 400, an emitter terminal of the transistor Q1, and a power supply. It consists of a light emitting diode (LED) connected between the voltage terminals (+ B).

2 is a diagram illustrating the configuration of the keypad 100 of FIG. 1, and FIG. 3 is a diagram illustrating the configuration of the remote controller 200 of FIG. 1. The position of the OSD text can be moved by using a character position key and a direction key. have.

4 is a view showing an embodiment of moving the position of the OSD text in the horizontal direction according to the present invention.

5 is a view showing an embodiment of moving the position of the OSD text in the horizontal direction according to the present invention.

6 is a flow chart for performing the position shift and storage method of the OSD character according to the present invention, the initial process, the upward movement process and the downward movement process, the left movement process, the right movement process, The erase process takes place.

In addition, the initial process may include the step 601 of displaying the OSD text of the corresponding mode according to the key input on the screen, and if the OSD text is displayed on the screen, whether the text position key is input from the keypad 100 or the remote controller 200. Is determined in the order of step 602.

The upward movement process may include: determining whether a phase shift key ↑ is input to shift the position of the OSD character upward after the character position key is input, and a phase shift key ↑. Is inputted, the step 604 of moving the displayed character position upward by 1 step (hereinafter, referred to as 1 V in vertical direction) and the position of the character moved by 1 V in the upward direction to the OSD control register. Step 605 of storing, and step 606 of determining whether the position of the character moved 1V upward is an upper limit provided by the OSD circuit 403. In this case, if the upper limit value, the position of the character can no longer be moved in the upward direction, and the upper limit of movement may vary depending on the type of letter notation.

The downward movement process may include: step 607 of determining whether a high dynamic key ↓ is input to move the position of the OSD character downward after the character position key is input, and the high dynamic key ↓ Is inputted, the step 608 of shifting the position of the displayed character by 1V in the downward direction, the step 609 of storing the position of the character shifted by 1V in the downward direction in the OSD control register, and the 1V shifting in the downward direction. Step 610 of determining whether the position of the character is the lower limit supported by the OSD circuit 403 is performed. Similarly, if the lower limit value is determined, the position of the character can no longer be moved in the downward direction, and the downward adjustment limit may be different according to the letter notation form.

In addition, the leftward moving step may include determining whether a leftward movement key ← is input to move the position of the OSD character to the left direction after the character position key is input, and a leftward movement key ←. Is inputted, the step 612 of shifting the displayed character position by one step to the left (hereinafter referred to as one step in the horizontal direction 1H) and storing the position of the character moved by the left direction in the OSD control register 1H. Step 613 is followed by step 614 for determining whether the position of the character moved by 1H in the left direction is the left limit value supported by the OSD circuit 403. At this time, if it is determined as the left limit value, the position of the letter can no longer be moved in the left direction, and the left-hand control limit may vary according to the letter notation form.

In addition, the rightward movement process may include determining whether a rightward movement key (→) has been input to move the position of the OSD character to the right direction after the character position key is input, and a rightward movement key (→). Is entered, step 616 of shifting the position of the displayed character 1H in the right direction, step 617 of storing the position of the character shifted 1H in the right direction in the OSD control register, and character shifted 1H in the right direction Step 618 is performed in order to determine whether the position of X is the right limit value supported by the OSD circuit 403. Similarly, if it is determined as the right limit value, the position of the letter can no longer be moved in the right direction, and the right direction control limit may be different according to the letter type.

In addition, the process of erasing the adjustment character may include determining whether the erase key is input after the above processes are performed, and if the erase key is input, returning the position of the OSD character displayed on the screen to the original OSD character position. 620.

The present invention configured as described above uses the keypad 100 attached to the television and the remote control 200, which is a remote control unit, to move the position of the OSD character, to store the position of the moved character, and to store By clearing the position of the character, it is possible to return to the fixed original position determined by the manufacturer. In this case, the signal of the remote controller 200 is provided to the microcomputer 400 through the remote controller receiver 300.

Meanwhile, the tuner 600 converts another high frequency into an intermediate frequency IF by mixing another high frequency with the high frequency tuned by the PLL data provided from the microcomputer among the high frequencies induced by the antenna ANT. Output to IC 700.

In addition, the intermediate frequency IC 700 amplifies the intermediate frequency provided by the tuner 600, and separates the video signal and the audio signal, and outputs the video signal to the video IC 800, and the audio signal is the audio IC 900. )

The intermediate frequency IC 700 outputs an automatic frequency control signal (AFC) to the microcomputer 400 so that when the oscillation frequency of a horizontal oscillation circuit (not shown) is higher than the horizontal synchronizing signal transmitted from the transmitter, This will lower the horizontal oscillation frequency and automatically raise it when the horizontal oscillation frequency is lowered so that the horizontal synchronization is always accurate.

The video IC 800 separates the R, G, and B signals from the video signal provided to the input side and outputs the R, G, and B signals to the RGB matrix IC 800, and the audio IC 900 outputs the audio signal provided to the input side. After amplification in the output through the speaker (SP).

At this time, the microcomputer 400 outputs an image control signal P'TL to the image IC 800 to control contrast, bright, color, tint, sharp, and the like, and outputs an audio control signal S'TL. Output to voice IC 900 to control volume, bath, travel, balance and the like.

Meanwhile, the RGB matrix IC 801 outputs from the image IC 800 when the color signal RGB and the luminance signal Y for the character data to be displayed in the OSD circuit 43 of the microcomputer 400 are provided. The mixed RGB signal is displayed on the CRT through the RGB driver 802.

Meanwhile, when the timer is on, the microcomputer 400 outputs a low signal to the base end of the display unit 500 to turn on the light emitting diode (LED), and when the timer is off, outputs a high signal to the light emitting diode ( Turn off the LED).

In this case, the operation of the microcomputer 400 for shifting the OSD text position is described in detail as follows.

After the television is powered on, the OSD characters corresponding to the entered key are displayed on the screen. For example, when a channel up / down key is input, a channel number is displayed, and when a volume up / down key is input, a volume up / down state is displayed on the screen. At this time, each displayed state is regarded as an independent mode.

Accordingly, the OSD character indicating the volume 32 is displayed on the screen of the volume level by the volume up / down keys provided in the key panel 100 or the remote controller 200 (601).

At this time, when the character position key is input in step 602, the direction keys (↑, ↓, ←, →) are set to keys for shifting the position of the character. In the present invention, the ↑ key is programmed to operate as the up move key, the ↓ key to move down, the ← key to move left, and the → key to move right. At this time, by pressing one of the direction keys once, it is moved up, down, left, and right by one step.

In this case, the maximum limit provided by the OSD circuit 43 may be limited with respect to the movement of the up, down, left, and right directions, and may vary depending on the character display form. And the adjustment step can be moved by a program by a fixed step from fine adjustment.

Then, if it is determined by step 603 that the phase shift key ↑ is input, step 604 is performed to move 1V in the upward direction as shown in FIG. 4B, and step 605 is performed to display the OSD control register. Stores the position of the OSD character that is moved 1V in the up direction. Then, step 606 is performed to determine whether the moved position is the upper limit value. At this time, if the position of the character moved 1V in the upward direction is determined to be the upper limit value supported by the OSD circuit, the character no longer moves in the upward direction no matter how much the pressing key ↑ is pressed.

That is, after the step 606 is performed, pressing the up key ↑ once again moves as shown in FIG. 4 (c), and pressing the up key ↑ once again moves as shown in FIG. 4 d. In addition, if the upward movement key ↑ is continuously pressed, the movement is performed as shown in FIG. 4 (e), and since the fourth elevation (e) is an upper limit value, no matter how much the upward movement key ↑ is subsequently pressed, the upward direction is performed by step 606. Will no longer be moved.

On the other hand, if it is determined by step 607 that the downward movement key ↓ is input, step 608 is performed to move the OSD character by 1V in the downward direction, and then step 609 is performed to move the OSD by 1V in the downward direction. The position of the character is stored in the OSD control register.

At this time, when the down movement key (↓) is input in the fourth diagram (d), the same as in FIG. 4 (c), and when the down movement key (↓) is input in the fourth diagram (c), When the down shift key ↓ is input in FIG. 4 (b), the result is as shown in FIG. 4 (a). In addition, when the downward movement key (↓) is input in FIG. 4 (a), since it is determined as the lower limit value by step 610, the movement of characters is no longer performed in the downward direction.

At this time, if it is determined that the user pressed the erase key in step 619 to return the position of the moved character to the original character position fixed by the manufacturer, step 620 is performed to determine the initial position determined by the manufacturer at the current moved position. Return to position

That is, when the erase key is pressed in the state as shown in FIG. 4 (e), the controller returns to the initial position determined by the manufacturer as shown in FIG.

At this time, if the erase key is pressed while the position of the character is not moved, the input of the erase key is invalid.

On the other hand, if the erase key is not input while the position of the character is moved, the position of the volume level displayed by the volume up / down key is displayed at the position of the moved character until the erase key is input.

Therefore, if you want to return the position of the moved character to the original position, you can enter the erase key in the relevant OSD mode.

Meanwhile, FIG. 5 illustrates an example of shifting the position of the OSD text in the left and right directions. The OSD text displayed when the video is selected using the TV / video key provided in the keypad 100 or the remote controller 200 is shown. Is showing.

At this time, if it is determined in step 611 that the left shift key ← is input at the initial position as shown in FIG. 5 (a) determined by the manufacturer, the step 612 moves to the left direction as in FIG. 5 (b). 1H shifted and step 613 is performed to store the position of the character shifted 1H leftward in the OSD control register.

In this case, when the left shift key ← is input in FIG. 5 (b), the same as in FIG. 5 c, and when the left shift key ← is input in FIG. The left shift key (←) in Fig. 5 (e) is the same as in Fig. 5 (e), and Fig. 5 (e) is determined as the left limit value by step 614 and no longer moves to the left direction. Is not moved.

On the other hand, if it is determined by step 615 that the right shift key (→) is input in FIG. 5 (d), step 616 is performed to move 1H in the right direction as shown in FIG. 5 (c), and step 616. This is done to store the position of the shifted character in the OSD control register.

At this time, when the right shift key (→) is input in FIG. 5 (c), the same as in FIG. 5 (b), and when the right shift key (→) is input in FIG. 5 (b), as shown in FIG. When the right shift key (→) is input in FIG. 5 (a), the right shift key (→) is determined by the step 618, and the right shift key (→) is invalidated.

On the other hand, if the erase key is pressed in the state as shown in FIG. 5 (e), it returns to the initial character position determined by the manufacturer as shown in FIG. 5 (f), and when the erase key is input in the state as shown in FIG. Erasing key input is invalid.

In addition, the present invention can simultaneously move the OSD characters in the upper, lower, left, and right directions within the range of the position movement limit by selectively pressing the direction keys (↑, ↓, ←, →).

As described above, the present invention is easy to use because it moves the position of the character only in the desired time zone and returns to the original position by using the erase key if it is not desired. In addition, only the corresponding mode operates independently in memory and erase. It can be configured to save and delete the position of each character for each mode, to meet the needs of different people. In addition, the character can be moved up, down, left, and right simultaneously at the current position, and the function can be improved only by the pure program within the range provided by the hardware, thereby reducing the cost.

Claims (2)

In the method of changing the display position of the OSD characters, (a) setting the direction keys (↑, ↓, ←, →) with the OSD character movement keys, and (b) using the direction keys to display the OSD characters on the screen. After moving up, down, left, and right to the display position, storing the last shifted OSD display position value; and (c) after the purpose of moving the OSD character in step (b) is achieved, the last shifted OSD character. And returning to the original initial position. The method of claim 1, wherein the moving and storing process moves and stores only up to a preset limit value in the up, down, left, and right directions.