KR20040011164A - Monitor for controlling on-screen-display using a keyboard - Google Patents

Abstract

PURPOSE: A monitor for controlling the OSD(On Screen Display) by using a keyboard is provided to adjust a screen of a monitor by displaying and operating an OSD menu with the keyboard without installing a control board in the monitor. CONSTITUTION: The first port(a) transmits/receives a data/clock signal, a video signal, and a control signal with a computer(220). The second port(b) is connected to the keyboard(210). An OSD output part displays an OSD screen on the screen of the monitor(200). If the key inputted from the keyboard is a key corresponding to an OSD on command, a microcomputer displays the OSD menu through the OSD output part and adjusts the screen by the operation of the OSD menu. If not, the microcomputer transmits the signal corresponding to the input key to the computer through a data signal line of the first port.

Description

MONITOR FOR CONTROLLING ON-SCREEN-DISPLAY USING A KEYBOARD}

The present invention relates to a monitor capable of OSD control using a keyboard. More particularly, the present invention relates to an OSD control using a keyboard by connecting a keyboard to a monitor without separately installing OSD switch terminals and a control board for OSD control. Is about a monitor that makes it possible.

1 is a block diagram illustrating a part of a conventional monitor 100. As shown in FIG. 1, the conventional monitor 100 includes a control board 110 and a microcomputer 120 for OSD control therein.

The control board 110 includes OSD switch terminals 112 SW0 to SW6 disposed on the front of the monitor 100. Users who want to adjust the screen of the monitor by using the OSD presses the OSD switch terminals 112 disposed on the front of the monitor to input a predetermined signal. As described above, the control board 110 transmits a signal input from the switch terminals by the user to the microcomputer 120 through the KBD 1 114 and KBD 2 115 terminals through predetermined circuit elements. do.

The microcomputer 120 recognizes the level of the voltage input through the KBD 1 114 and KBD 2 115 terminals of the control board 110 and proceeds with the corresponding operation.

As described above, the conventional monitor requires an additional OSD switch terminals and a control board to control the OSD, thereby increasing the manufacturing cost. In addition, since the control board is to be fixed inside the monitor, a predetermined space is required inside the monitor, and as a result, there are many problems in designing the shape of the monitor.

Accordingly, the applicant intends to propose a method for adjusting the screen of the monitor using a keyboard.

In order to solve the above problems, an object of the present invention is to provide a monitor that can adjust the screen of the monitor by operating the OSD menu using a keyboard, without the installation of a separate control board and OSD switch terminals.

1 is a block diagram illustrating a control board and a microcomputer for controlling an OSD terminal mounted on a conventional monitor.

2 is a connection diagram illustrating a connection relationship between an OSD controllable monitor, a computer and a keyboard using a keyboard according to a first embodiment of the present invention.

3A and 3B are front views of connectors respectively mounted on the computer port and the keyboard port of the monitor according to the first embodiment of the present invention.

4 is a flowchart sequentially showing the operation of the monitor according to the first embodiment of the present invention;

5 is a connection diagram illustrating a connection relationship between an OSD controllable monitor, a computer and a keyboard using a keyboard according to a second embodiment of the present invention.

6 is a flowchart sequentially showing the operation of the monitor according to the second embodiment of the present invention;

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

100, 200, 500: Monitor

110: control board

112: OSD switch terminals

114, 115: KBD1, KBD2

120: micom

210, 510: keyboard

220, 520: Computer

A monitor according to the present invention for achieving the above object is a monitor connected to a keyboard and a computer so that a signal can be input directly from the keyboard, the monitor being connected to a computer to operate the monitor, the computer and data / A first port for transmitting or receiving a clock signal, an image signal, and a control signal, a second port to which the keyboard can be connected, an OSD output unit for displaying an OSD screen on a screen of a monitor, and if connected to the second port If the key input from the keyboard is a key corresponding to a preset OSD ON command, the OSD outputs the OSD menu and adjusts the screen of the monitor according to the input from the keyboard. Send the signal corresponding to the input key to the computer through the data signal line of the first port It is to provide a microcomputer.

At this time, the microcomputer preferably turns off the OSD menu when a predetermined time elapses or a key corresponding to a preset OSD off command is input without input from the keyboard while the OSD menu is displayed.

More preferably, the monitor communicates with a keyboard and a computer using the DDC protocol.

Another feature of the monitor according to the present invention is connected to the computer, the first port for transmitting or receiving data and clock signals, video signals and control signals with the computer, the second port to which the keyboard can be connected, the keyboard of the computer A third port connected to a port to transmit a signal input from the keyboard through the second port to a computer, an OSD output unit to display an OSD screen on a screen of a monitor, and the keyboard connected to the second port If the key input from is a key corresponding to a preset OSD ON command, display the OSD menu through the OSD output and adjust the screen of the monitor according to the input from the keyboard, otherwise input from the keyboard. And a microcomputer for transmitting a signal corresponding to the received key to the computer through the third port.

According to the present invention, the monitor can adjust the screen of the monitor or display the OSD menu and control it using a keyboard without mounting a separate control board for OSD input or monitor screen adjustment in the monitor. .

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention. First, in adding reference numerals to the components of each drawing, it should be noted that the same components are denoted by the same reference numerals as much as possible, even if displayed on different drawings.

First embodiment

FIG. 2 illustrates the monitor 200 and the keyboard 210 and the computer 220 connected thereto according to an embodiment of the present invention. Hereinafter, the configuration of the monitor 200 according to an embodiment of the present invention will be described with reference to FIG. 2.

As shown in FIG. 2, the monitor 200 according to the present invention is connected to the computer 220 through a first port a and to the keyboard 210 through a second port b.

As shown in FIG. 3A, the first port (a) of the monitor 200 is a port to which a 15-pin D-Sub connector of a computer can be connected, and the monitor connects a corresponding signal line of the first port (a). The computer 220 may transmit or receive video signals of red, green, and blue, data / clock signals of SDA / SCL, and other control signals.

As illustrated in FIG. 3B, the second port b of the monitor 200 is a port to which a 6-pin Mini-DIN connector PS / 2 of the keyboard 210 may be connected, and the keyboard may be connected through a corresponding signal line. Data and clock signals, and predetermined control signals, inputted from the terminal, may be transmitted or received. In more detail, the signal lines 1, 3, 4, and 5 of the connector of the keyboard transmit data signals, ground signals, 5 Volts, and clock signals, respectively, and signal lines 2 and 6 are not used.

On the other hand, the shape of the first port and the second port may be changed according to the type of monitor or computer, and accordingly, the shape of the connector and the like respectively connected to the port may vary.

The microcomputer of the monitor detects a signal corresponding to a key input from the keyboard 210 through the second port (b). If the signal input from the keyboard to the monitor is a signal corresponding to the OSD on command, the OSD menu is displayed on the screen. Otherwise, the data signal input from the keyboard through the second port (b) is transmitted to the computer using the data signal line of the SDA of the first port (a). Therefore, the computer recognizes the data signal input through the D-Sub input port, which is a communication port with the monitor, as a keyboard signal.

In this case, the keyboard 210 preferably communicates with the monitor 200 using the DDC1 or DDC2 protocol. This is because the monitor 200 generally communicates with the computer 220 using the DDC1 or DDC2 protocol, so that the keyboard uses the DDC1 or DDC2 protocol so that the monitor, keyboard, and computer all communicate using the same protocol. Because it is. As a result, the monitor can transmit a signal input from the keyboard to a computer without conversion.

Hereinafter, the operation of the monitor having the above-described configuration will be described in detail with reference to FIG. 4.

In the state where the monitor is normally operated (step 400), it is checked by the user whether there is any input from the keyboard to the second port of the monitor (step 410). If there is no input from the keyboard, the monitor will operate normally. On the other hand, if there is an input from the keyboard through the second port, the microcomputer of the monitor determines whether the input key corresponds to a preset OSD menu ON command (step 420).

If the input key does not correspond to an OSD on command, the signal corresponding to the input key is transmitted to the computer through the first port (step 470), and then the process returns to step 400 to allow the monitor to operate normally. .

On the other hand, if the input key corresponds to an OSD on command, the OSD menu is displayed on the screen (step 430), and then the OSD menu operation is executed using the keyboard to adjust the screen of the monitor (step 440). . Next, it is determined whether a predetermined time elapses without a key input or a key corresponding to an OSD off command is input (step 450).

If a predetermined time elapses without a key input or a key corresponding to an OSD off command is input, the OSD menu is turned off on the screen (step 460), and the process returns to step 400 to allow the monitor to operate normally. If not, the flow returns to step 440 to perform screen adjustment via OSD menu operation using the keyboard.

Second embodiment

Hereinafter, a configuration of a monitor according to another exemplary embodiment of the present invention will be described with reference to FIG. 5. However, the description of the components that overlap with the description of the first embodiment is omitted.

As shown in FIG. 5, the monitor 500 according to the present embodiment includes first, second, and third ports a, b, and c, and the computer 520 is provided through the first port a. ) Is connected to the keyboard through the second port (b), and is connected to the keyboard port of the computer 520 through the third port (c).

The first port (a) of the monitor is a communication port to which a 15-pin D-Sub connector as shown in FIG. 3A is connected, and transmits or transmits image signals, data / clock signals, and other control signals between the monitor and the computer. Receive.

The second port (b) of the monitor is a connector to which a 6-pin Mini-DIN connector (PS / 2) as shown in FIG. 3B can be connected. The second port (b) of FIG. It can be sent or received.

The third port (c) of the monitor is a port that can be connected to the keyboard port of the computer, and transmits a signal input from the keyboard through the second port to the keyboard port of the computer through the third port without signal conversion process. do.

Hereinafter, the operation of the monitor 500 according to the present embodiment having the above-described configuration will be described in detail with reference to FIG. 6.

First, if there is any key input from the keyboard through the second port of the monitor (step 610) while the monitor is operating normally (step 600), the input signal is transferred to the computer through the third port without a separate signal conversion process. 520 is transmitted to keyboard port PS / 2 (step 620).

Next, the micom of the monitor determines whether the input signal is a key corresponding to a preset OSD on command (step 630). If the key does not correspond to the preset OSD on command, the process returns to step 600 to allow the monitor to operate normally.

If the input signal is a key corresponding to a preset OSD on command, an OSD menu is displayed on the screen (step 640), and the user can adjust the screen of the monitor by operating the OSD menu using a keyboard. (Step 650).

Next, if a predetermined time elapses without a key input or a key corresponding to an OSD off command is input, the OSD menu is turned off on the screen (step 670), and the process returns to step 600 to allow the monitor to operate normally.

Since the overall structure of the monitor is already well known, a detailed description thereof is omitted in the present invention.

As described above, in the detailed description of the present invention, specific embodiments have been described, but various modifications can be made without departing from the scope of the present invention.

According to the present invention, the monitor can be used to adjust the screen of the monitor or display the OSD menu using a keyboard, without having a separate control board or OSD switch terminal for OSD input and monitor screen adjustment in the monitor. do. Therefore, the monitor does not have to separately provide an OSD switch terminal, and also does not have to provide an internal space for mounting the control board, thereby allowing a variety of designs for appearance.

In addition, the user can simply and conveniently display the OSD menu or adjust the screen of the monitor using the keyboard.

Claims (4)

In the monitor that is connected to the keyboard and the computer, respectively, can be input directly from the keyboard A first port connected to the computer to transmit or receive data / clock signals, video signals, and control signals with the computer; A second port to which the keyboard can be connected; An OSD output unit for displaying an OSD screen on a screen of the monitor; And If a key input from the keyboard connected to the second port is a key corresponding to a preset OSD ON command, the OSD menu is displayed through the OSD output unit and operation of the OSD menu according to the input from the keyboard is performed. A microcomputer that adjusts the screen of the monitor through and transmits a signal corresponding to a key input from the keyboard to the computer through a data signal line of the first port; OSD controllable using a keyboard characterized in that it comprises a. In the monitor that is connected to the keyboard and the computer, respectively, can be input directly from the keyboard A first port connected to the computer to transmit or receive data / clock signals, video signals, and control signals with the computer; A second port to which the keyboard can be connected; A third port connected to the keyboard port of the computer to transmit a signal input from the keyboard through the second port to the computer; An OSD output unit for displaying an OSD screen on a screen of the monitor; And If a signal is input from the keyboard connected to the second port, the signal is transmitted to the keyboard port of the computer through the third port without signal conversion processing for the input signal, and the input signal is set to a predetermined OSD ON. If the input signal is a key corresponding to a preset OSD on command, the OSD menu is displayed through the OSD output unit and the screen of the monitor is adjusted according to the input from the keyboard. Micom; OSD controllable using a keyboard characterized in that it comprises a. According to claim 1 or claim 2, wherein the microcomputer, when the OSD menu is displayed, the OSD menu is displayed when a predetermined time elapses or a key corresponding to a preset OSD off command is input without input from the keyboard. OSD controllable monitor using a keyboard, characterized in that off. The monitor of claim 1, wherein the monitor communicates with an external keyboard and a computer using a DDC protocol.