KR20100011129A - Method for inputting character into display device, mobile communication terminal for performing the method and character inputting system having the terminal - Google Patents

Abstract

PURPOSE: A method for inputting character into display device, a mobile communication terminal for performing the method and a character inputting system having the terminal are provided to improve the accessibility for displaying character to display device. CONSTITUTION: One or more mobile communication terminal(100) occurs the terminal signal by receiving input character or image. A display device(200) uses the terminal signal and character or image. The dialer of the mobile communication terminal changes the terminal signal into the radio signal(30). The terminal signal in which the signal receiving part of the display device is transformed to the radio signal is received. The communication network transfers the terminal signal transformed to the radio signal to the display device. The terminal display part(140) indicates character or image.

Description

TECHNICAL FOR INPUTTING CHARACTER INTO DISPLAY DEVICE, MOBILE COMMUNICATION TERMINAL FOR PERFORMING THE METHOD AND CHARACTER INPUTTING SYSTEM HAVING THE TERMINAL}

The present invention relates to a text input method for a display device, a mobile communication terminal for performing the same, and a text input system having the same. The present invention relates to a mobile communication terminal and a text input system having the same.

In general, a keyboard (key board) is mainly used to input characters or images. That is, the text or image input through the keyboard is transmitted to the main system electrically connected to the display device, and displayed externally through the display device.

As such, in order for a large number of people to display a desired character or image through the display device, the keyboard and the main system are necessary for each individual. Therefore, unless the keyboard and the main system are provided for each individual, each individual cannot input a desired character or image into the display device. As a result, there is a problem in that accessibility is poor when displaying characters on the display device.

Accordingly, a first problem to be solved by the present invention is to provide a text input method to a display device that can improve accessibility when displaying text.

Another object of the present invention is to provide a mobile communication terminal for performing a text input method to the display device.

In addition, a third object of the present invention is to provide a character input system having the mobile communication terminal.

In the character input method to the display device according to an embodiment of the present invention, after inputting a character or image to at least one mobile communication terminal to generate a terminal signal, in response to the terminal signal, the character or Display the image.

The mobile communication terminal can transmit the terminal signal to the display device through a wireless communication method. Here, the terminal signal may be transmitted to the display device through a communication network.

Alternatively, the mobile communication terminal may transmit the terminal signal to the display device by a wired communication method. The mobile communication terminal may be electrically connected to the display device through a connection cable.

Meanwhile, as a method of generating the terminal signal, the text or the image may be input by pressing a terminal input key of the mobile communication terminal. Alternatively, a touch event (at the touch input unit of the mobile communication terminal) The text or the image may be input through a touch event.

In addition, as a method of generating the terminal signal, the character or the image may be input by detecting a position of a finger or an input tool in the input key image projected on a flat surface. Here, as a method of detecting the position of the finger or the input tool, after projecting the input key image on a flat surface through the input key projection unit of the mobile communication terminal, the image of the finger or input tool in the input key image You can detect the location.

Character input system according to an embodiment of the present invention includes at least one mobile communication terminal for receiving a character or an image to generate a terminal signal, and a display device for displaying the character or the image using the terminal signal. .

The mobile communication terminal may include a signal transmitter for converting the terminal signal into a wireless signal and output the wireless signal, and the display device may include a signal receiver for receiving the terminal signal converted into the wireless signal. The text input system may further include a communication network configured to receive the terminal signal converted into the wireless signal and transmit the received signal to the display device.

Alternatively, the mobile communication terminal includes an output connector for outputting the terminal signal to the outside, and the display device includes an input connector electrically connected to the signal transmitter and a connection cable to receive the terminal signal. can do.

On the other hand, the mobile communication terminal receives the text or the image through the pressing (being pressed) by the external pressure, the terminal input key for outputting a key input signal, and the terminal in response to the key input signal It may include a terminal controller for generating a signal. Alternatively, the mobile communication terminal includes a touch input unit for receiving the text or the image through an external touch event and outputting a touch input signal, and a terminal controller generating the terminal signal in response to the touch input signal. can do.

The mobile communication terminal may further include a projection input unit configured to generate a position sensing signal by detecting a position of a finger or an input tool in an input key image projected on a flat surface, and in response to the position sensing signal, It may also include a terminal control unit for generating. Here, the projection input unit is an input key projection unit for projecting the input key image on the flat surface, and a position sensor for detecting the position of the finger or the input tool in the input key image to generate the position sensing signal It may include wealth. The position sensor unit may include a heat sensor for sensing heat from the finger or the input tool, or may include a position detection camera for capturing the finger or the input tool.

The display device may include an image controller for generating an image driving signal for displaying an image in response to the terminal signal, and an image display unit for implementing an image in response to the image driving signal.

Meanwhile, the text input system receives the terminal signal to generate a display device control signal for controlling the display device, and is electrically connected to the display device to transmit the display device control signal to the display device. The apparatus may further include.

The mobile communication terminal according to an embodiment of the present invention includes a terminal input key, a terminal controller, and a signal output unit.

The terminal input key receives the first text data by being pressed by an external pressure and outputs a key input signal. The terminal controller generates a first terminal signal in response to the key input signal. The signal transmitter converts the first terminal signal applied from the terminal controller into a wireless signal and outputs the first text data to a display device for displaying the first text data.

The mobile communication terminal may further include a touch input unit configured to receive second text data through an external touch event and output a touch input signal to the terminal controller. In this case, the terminal controller outputs a second terminal signal to the signal transmitter in response to the touch input signal, and the signal transmitter converts the second terminal signal into a wireless signal and outputs the signal to the display device. The second character data may be displayed.

Alternatively, the mobile communication terminal may further include a projection input unit for detecting a position of a finger or an input tool in the input key image projected on a flat surface and generating a position sensing signal including second text data. have. In this case, the terminal controller outputs a second terminal signal to the signal transmitter in response to the position sensing signal, and the signal transmitter converts the second terminal signal into a wireless signal and outputs the signal to the display device. The second character data may be displayed.

The projection input unit includes an input key projection unit for projecting the input key image on the flat surface, and a position sensor unit for detecting the position of the finger or the input tool in the input key image to generate the position sensing signal. can do.

According to the present invention, when a character or an image is input using a mobile communication terminal which is widely distributed to a large number of people, and the character or image is displayed through a display device, when the general public displays the character on the display device. Can improve accessibility.

As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to the specific disclosed form, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "having" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described in the specification, and that one or more other features It should be understood that it does not exclude in advance the possibility of the presence or addition of numbers, steps, actions, components, parts or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. In the present specification, the 'package' indicates a state in which the semiconductor chip is not mounted, and the state in which the semiconductor chip is mounted will be used as the term 'element'.

Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. I do not.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

<Example 1>

1 is a view showing a character input system according to a first embodiment of the present invention, Figure 2 is a block circuit diagram showing the character input system of FIG.

1 and 2, the text input system according to the present embodiment includes at least one mobile communication terminal 100 for inputting a text or an image, and a display device 200 for displaying the text or the image. It includes. 1 and 2 illustrate three mobile communication terminals 100 as an example.

The mobile communication terminal 100 may include a terminal input key 110, a terminal controller 120, and a signal transmitter 130.

The terminal input key 110 receives text data including a text or an image by being pressed by an external pressure, for example, a finger, and receives a key input signal 10 corresponding to the text data. Output to 120.

The terminal controller 120 receives the key input signal 10 from the terminal input key 110 and generates a terminal signal 20 for displaying an image in response to the key input signal 10. Output to the bride (130).

The signal transmitter 130 receives the terminal signal 20 from the terminal controller 120, converts the terminal signal 20 into a wireless signal 30, and outputs it to the outside. Here, the radio signal 30 may be a signal in which the terminal signal 20 is modulated by a radio frequency (RF).

Meanwhile, the mobile communication terminal 100 may further include a terminal display unit 140 for displaying the text or the image input by the terminal input key 110 by itself. That is, the terminal display unit 140 may receive the terminal signal 20 from the terminal control unit 120 and display the text or the image outside in response to the terminal signal 20. The terminal display unit 140 may be a liquid crystal display or an organic light emitting display having a small size.

Subsequently, the display device 200 may include a signal receiver 210, an image controller 220, and an image display unit 230.

The signal receiver 210 receives the wireless signal 30 output from the signal transmitter 130, and receives an image received signal 40 in response to the terminal signal 20 included in the wireless signal 30. ) Is output to the image controller 220.

The image controller 220 receives the image receiving signal 40 from the signal receiving unit 210 and outputs an image driving signal 50 in response to the image receiving signal 40. Here, the image receiving signal 40 is a signal formed by the terminal signal 20 having information on a character or an image input through the terminal input key 110, so that the image control unit 220 may The image driving signal 50 may be output in response to the terminal signal 20.

The image display unit 230 receives the image driving signal 50 from the image control unit 220, and responds to the image or signal input through the terminal input key 110 in response to the image driving signal 50. Display the image for the outside. For example, the image display unit 230 may be a liquid crystal display panel or a plasma display panel having a large size.

Hereinafter, referring to FIG. 1 and FIG. 2, the character input method to the display device according to the present embodiment will be described in detail.

First, a character or an image is input by pressing the terminal input key 110 of the mobile communication terminal 100 through a finger or the like to generate a terminal signal 20 having information on the character or the image. . Here, the plurality of terminal signals 20 may be generated through the plurality of mobile communication terminals 100.

Subsequently, the terminal signal 20 is converted into a wireless signal 30 by the signal transmitter 130 of the mobile communication terminal 100 and output. Here, the radio signal 30 may be a signal in which the terminal signal 20 is modulated by a radio frequency (RF).

Subsequently, the display device 200 displaying an image receives the wireless signal 30 and responds to the terminal signal 20 included in the wireless signal 30 through the mobile communication terminal 100. The input character or the image is displayed to the outside.

According to the present exemplary embodiment, a character or an image may be input through the mobile communication terminal 100 which most people have, so that the input character or image may be displayed to the outside through the display apparatus 200. As a result, a separate input device such as a keyboard is not required to display a character or an image with the display device 200, thereby improving accessibility when the general public inputs a character or an image to the display device. have.

<Example 2>

3 is a diagram illustrating a character input system according to a second embodiment of the present invention, and FIG. 4 is a block circuit diagram illustrating the character input system of FIG.

The text input system according to the present embodiment is substantially the same as the text input system according to the first embodiment described with reference to FIGS. 1 and 2 except that the text input system further includes the touch input unit 150. Detailed description of the other components except for) will be omitted, and the same reference numerals will be used for the same components as in the first embodiment.

3 and 4, the mobile communication terminal 100 according to the present embodiment may include a touch input unit (in addition to the terminal input unit 110, the terminal control unit 120, the signal transmitter 130, and the terminal display unit 140). 150).

The touch input unit 150 receives a text or an image through an external touch event and outputs a touch input signal 60 to the terminal controller 120. The touch event refers to a movement of inputting a text or an image to the touch input unit 150 by any one of external pressure, electric force, magnetic force, and light input. For example, the character or the image may be input by applying pressure to the touch input unit 150 through the input pen 155.

The touch input unit 150 may be disposed above the terminal display unit 140 to operate in conjunction with the terminal display unit 140. For example, by applying pressure to the portion of the image displayed on the terminal display unit 140 through the input pen 155, a character or an image corresponding to the portion of the image may be input.

Although the touch input unit 150 has been described above as being disposed above the terminal display unit 140, the touch input unit 150 may alternatively be embedded in the terminal display unit 140. For example, the terminal display unit 140 may be a liquid crystal display panel or an organic light emitting display panel having a touch input function.

Meanwhile, the terminal controller 120 receives the key input signal 10 having the first text data from the terminal input key 110 or the touch input having the second text data from the touch input unit 150. The signal 60 may be applied, and the terminal signal 20 may be generated in response to the key input signal 10 or the touch input signal 60. That is, the terminal signal 20 includes a first terminal signal corresponding to the key input signal 10 and a second terminal signal corresponding to the touch input signal 60.

The first or second terminal signals are converted into wireless signals 30 by the signal transmitter 130 and transmitted to the display device 200, and the display device 200 is connected to the wireless signal 30. The first or second character data may be displayed to the outside in response to the response. In addition, the first or second terminal signals may be displayed externally through the terminal display unit 140.

Hereinafter, a method of inputting a character into the display device according to the present embodiment will be described in detail with reference to FIGS. 3 and 4.

First, the first text data is input by pressing the terminal input key 110 of the mobile communication terminal 100 through a finger or the like, or a touch event is applied to the touch input unit 150 of the mobile communication terminal 100. By inputting the second text data, the terminal signal 20 having the first or second text data is generated. Here, the plurality of terminal signals 20 may be generated through the plurality of mobile communication terminals 100.

Subsequently, the terminal signal 20 is converted into a wireless signal 30 by the signal transmitter 130 of the mobile communication terminal 100 and output. Here, the radio signal 30 may be a signal in which the terminal signal 20 is modulated by a radio frequency (RF).

Subsequently, the display device 200 displaying an image receives the wireless signal 30 and receives the first or second text data in response to the terminal signal 20 included in the wireless signal 30. Mark as external.

According to the present embodiment, the mobile communication terminal 100 has a touch input function separately from the terminal input unit 110 to receive a text or an image more easily, thereby displaying the text or image on the display device 200. Can be marked as external.

<Example 3>

5 is a diagram illustrating a character input system according to a third embodiment of the present invention, FIG. 6 is a block circuit diagram illustrating the character input system of FIG. 5, and FIG. 7 is an image input unit of the mobile communication terminal of FIG. 5. A perspective view for explaining a process of inputting a character through.

The character input system according to the present embodiment is substantially the same as the character input system according to the first embodiment described with reference to FIGS. 1 and 2 except that the projection input unit 150 further includes the projection input unit. Detailed description of the components other than 150 will be omitted, and the same reference numerals will be used for the same components as in the first embodiment.

5, 6, and 7, the mobile communication terminal 100 according to the present embodiment is in addition to the terminal input unit 110, the terminal control unit 120, the signal transmitter 130, and the terminal display unit 140. It further includes a projection input unit (160).

The projection input unit 160 may detect a position of a finger or an input tool in an input key image projected on a flat surface, generate a position sensing signal 70, and output the position sensing signal 70 to the terminal controller 120. Specifically, the projection input unit 160 may include an input key projection unit 162 and a position sensor unit 164.

The input key projector 162 projects an input key image 162a, ie, an input keyboard image, for inputting character data on a flat surface such as a desk and paper. Here, a person who wants to input text data of a text or an image places a finger or an input tool at a desired position among the input key images 162a.

The position sensor unit 164 detects the position of the finger or the input tool in the input key image 162a, generates the position sensing signal 70, and emits the position sensing signal 70 to the terminal controller 120.

The position sensor unit 164 may include a heat sensor for detecting the position by detecting heat from the finger or the input tool. Alternatively, the position sensor unit 164 may include a position sensing camera capable of sensing the position by photographing the finger or the input tool in the input key image 162a.

The terminal controller 120 receives the key input signal 10 having the first text data from the terminal input key 110 or the location having the second text data from the position sensor 164. The terminal signal 20 may be generated in response to the sensing signal 70 and the key input signal 10 or the position sensing signal 70. That is, the terminal signal 20 includes a first terminal signal corresponding to the key input signal 10 and a second terminal signal corresponding to the position sensing signal 70.

The first or second terminal signals are converted into wireless signals 30 by the signal transmitter 130 and transmitted to the display device 200, and the display device 200 is connected to the wireless signal 30. The first or second character data may be displayed to the outside in response to the response. In addition, the first or second terminal signals may be displayed externally through the terminal display unit 140.

Hereinafter, referring to FIGS. 5, 6, and 7, a method of inputting a character into the display device according to the present embodiment will be described in detail.

First, the first text data is input by pressing the terminal input key 110 of the mobile communication terminal 100 with a finger or the like, or by using the projection input unit 160 of the mobile communication terminal 100. By inputting two-character data, a terminal signal 20 having the first or second character data is generated. Here, the plurality of terminal signals 20 may be generated through the plurality of mobile communication terminals 100.

Specifically, in the method of inputting the second character data using the projection input unit 160, first project an input key image 162a, that is, an input keyboard image on a flat surface such as a desk and paper, A finger or an input tool is placed on a desired position in the input key image 162a. Subsequently, the position sensing signal 70 is generated by detecting the position of the finger or the input tool in the input key image 162a. Here, the position of the finger or the input tool may be sensed by detecting heat from the finger or the input tool, and may be sensed by photographing the finger or the input tool through a camera.

Subsequently, the terminal signal 20 is converted into a wireless signal 30 by the signal transmitter 130 of the mobile communication terminal 100 and output. Here, the radio signal 30 may be a signal in which the terminal signal 20 is modulated by a radio frequency (RF).

Subsequently, the display device 200 displaying an image receives the wireless signal 30 and receives the first or second text data in response to the terminal signal 20 included in the wireless signal 30. Mark as external.

According to the present embodiment, the mobile communication terminal 100 projects an input keyboard image on a flat surface separately from the terminal input unit 110, and detects the position of a finger or an input tool in the input keyboard image. By easily receiving a text or an image, the text or image can be displayed to the outside through the display device 200.

<Example 4>

8 is a diagram illustrating a character input system according to a fourth embodiment of the present invention, and FIG. 9 is a block circuit diagram of the character input system of FIG. 8.

The text input system according to the present embodiment is substantially the same as the text input system of any one of the first to third embodiments described with reference to FIGS. 1 to 7 except for a signal transmission method between the mobile communication terminal and the display device. Therefore, detailed description of the other components except those related to the signal transmission method will be omitted, and the same reference numerals will be used for the same components as those in the first to third embodiments.

8 and 9, the mobile communication terminal 100 according to the present embodiment is electrically connected to the display device 200 through a wire, that is, a connection cable 250. As a result, the terminal signal 20 generated by the mobile communication terminal 100 may be transmitted to the display device 200 through the connection cable 250. Here, each of the plurality of mobile communication terminals 100 may be connected to the display device 200 by wire.

In detail, the mobile communication terminal 100 includes an output connector 135 for outputting the terminal signal 20 applied from the terminal controller 120 to the display device 200.

In addition, the display device 200 includes an input connector 215 electrically connected to the output connector 135 and the connection cable 250 to receive the terminal signal 20. The input connector 215 may transmit the terminal signal 20 to the image control unit 220 to display a text or an image through the image display unit 220 to the outside.

Hereinafter, a method of inputting a character into the display device according to the present embodiment will be described in detail with reference to FIGS. 8 and 9.

First, the mobile communication terminal 100 is electrically connected to the display device 200 for displaying an image using the connection cable 250. In this case, each of the plurality of mobile communication terminals 100 may be electrically connected to the display device 200 through each of the plurality of connection cables 250.

Subsequently, as in the first to third embodiments, a text or an image is input through the mobile communication terminal 100 to generate a terminal signal 20 having information on the text or the image.

Subsequently, the terminal signal 20 is transmitted to the display device 200 through the connection cable 250, and the display device 200 externally outputs the text or the image in response to the terminal signal 20. To be displayed.

According to the present embodiment, the mobile communication terminal 100 is electrically connected to the display device 200 by a wired communication method rather than a wireless communication method, thereby inputting a text or an image using the mobile communication terminal 100. Can be displayed on the display device 200.

Example 5

10 is a diagram illustrating a character input system according to a fifth embodiment of the present invention.

Since the character input system according to the present embodiment is substantially the same as the character input system of any one of the first to fourth embodiments described with reference to FIGS. 1 to 9 except for further including the main control device 300. Detailed description of the other components except for the main control device 300 will be omitted, and the same reference numerals will be used for the same components as those in the first to fourth embodiments.

Referring to FIG. 10, the text input system according to the present embodiment may further include a main control device 300 in addition to the mobile communication terminal 100 and the display device 200.

The main controller 300 may receive a terminal signal 20 from the mobile communication terminal 100 and control the display device 200 in response to the terminal signal 20. That is, the main control device 300 may control the display device 200 to display text data included in the terminal signal 20 to the outside from the display device 200.

The main controller 300 may receive the terminal signal 20 from the mobile communication terminal 100 in a wireless communication method as shown in FIG. 10. Alternatively, the main control device 300 may be electrically connected to the mobile communication terminal 100 through a connection cable 250 to receive the terminal signal 20 through a wired communication method.

Hereinafter, with reference to FIG. 10, the character input method to the display device according to the present embodiment will be described in detail.

First, as in the first to third embodiments, a text or an image is input through the mobile communication terminal 100 to generate a terminal signal 20 having information on the text or the image.

Subsequently, the terminal signal 20 is applied to the main controller 300 by a wired or wireless communication method, and the main controller 300 controls the display apparatus 200 in response to the terminal signal 20. do. As a result, the display device 200 may display the text or the image input through the mobile communication terminal 100 to the outside.

According to the present embodiment, the mobile communication terminal 100 transmits the terminal signal to the main control device 300 through a wireless or wired communication method, thereby inputting a text or an image through the mobile communication terminal 100. May be displayed to the outside through the display device 200.

<Example 6>

11 is a diagram illustrating a character input system according to a sixth embodiment of the present invention.

The text input system according to the present embodiment is substantially the same as the text input system of any one of the first to fifth embodiments described with reference to FIGS. 1 to 10 except that the text input system further includes a communication network 400. Detailed description of the other components except for the communication network 400 will be omitted, and the same reference numerals will be used for the same components as those in the first to fifth embodiments.

Referring to FIG. 11, the text input system according to the present embodiment may further include a communication network 400 in addition to the mobile communication terminal 100 and the display device 200. 300 may also be further included.

The communication network 400 receives a radio signal 30 including the terminal signal 20 from the mobile communication terminal 100. The communication network 400 may generate a communication network signal 410 in response to the wireless signal 30, and may directly transmit the communication network signal 410 to the display device 200 by a wireless communication method. In this case, the communication network signal 410 may be transmitted to the display device 200 via the main control device 300 of FIG. 10.

Hereinafter, referring to FIG. 11, the character input method to the display device according to the present embodiment will be described in detail.

First, as in the first to third embodiments, a text or an image is input through the mobile communication terminal 100 to generate a terminal signal 20 having information on the text or the image.

Subsequently, the terminal signal 20 is converted into a wireless signal 30 and transmitted to the communication network 400, and the communication network 400 generates a communication network signal 410 in response to the wireless signal 30.

Subsequently, the communication network signal 410 is directly applied to the display device 200 by a wireless communication method or transmitted to the display device 200 via the main control device 300 of FIG. 10. As a result, the display device 200 may display the text or the image input through the mobile communication terminal 100 to the outside.

According to the present embodiment, as the communication network 400 receives the radio signal 30 generated from the mobile communication terminal 100 and is transmitted to the display device 200, the display device 200 Even in a long distance, the mobile communication terminal 100 can display a text or an image more easily.

In the detailed description of the present invention described above with reference to the preferred embodiments of the present invention, those skilled in the art or those skilled in the art having ordinary skill in the art will be described in the claims to be described later And various modifications and variations of the present invention without departing from the scope of the art. Therefore, the above description and the drawings below should be construed as illustrating the present invention, not limiting the technical spirit of the present invention.

1 is a diagram showing a character input system according to a first embodiment of the present invention.

FIG. 2 is a block circuit diagram illustrating the character input system of FIG. 1.

3 is a diagram showing a character input system according to a second embodiment of the present invention.

4 is a block circuit diagram illustrating the character input system of FIG. 3.

5 is a diagram illustrating a character input system according to a third embodiment of the present invention.

6 is a block circuit diagram illustrating the character input system of FIG. 5.

FIG. 7 is a perspective view illustrating a process of inputting a text through an image input unit of the mobile communication terminal of FIG. 5.

8 is a diagram showing a character input system according to a fourth embodiment of the present invention.

9 is a block circuit diagram illustrating the character input system of FIG. 8.

10 is a diagram illustrating a character input system according to a fifth embodiment of the present invention.

11 is a diagram illustrating a character input system according to a sixth embodiment of the present invention.

<Short Description of Main Drawing Numbers>

100: mobile communication terminal 110: terminal input key

120: terminal control unit 130: signal transmission unit

135: output connector 140: touch input unit

145: input pen 150: projection input unit

152: input key projection unit 154: position sensor unit

200: display device 210: signal receiving unit

215: input connector 220: video control unit

230: video display unit 300: main control device

400: communication network

Claims (28)

Generating a terminal signal by inputting a text or an image into at least one mobile communication terminal; And In response to the terminal signal, displaying the text or the image through a display device. The method of claim 1, wherein the mobile communication terminal transmits the terminal signal to the display device through a wireless communication method. The method of claim 2, wherein the terminal signal is transmitted to the display device through a communication network. The method of claim 1, wherein the mobile communication terminal transmits the terminal signal to the display device through a wired communication method. The method of claim 4, further comprising electrically connecting the mobile communication terminal to the display device through a connection cable. The method of claim 1, wherein generating the terminal signal And inputting the text or the image by pressing a terminal input key of the mobile communication terminal. The method of claim 1, wherein generating the terminal signal And inputting the text or the image through a touch event in the touch input unit of the mobile communication terminal. The method of claim 7, wherein the touch event Character input system, characterized in that made by any one of pressure, electric force, magnetic force and light input. The method of claim 1, wherein generating the terminal signal And detecting the position of the finger or the input tool in the input key image projected on the flat surface, and inputting the text or the image. The method of claim 9, wherein the detecting of the position of the finger or the input tool is performed. Projecting an input key image onto a flat surface through an input key projector of the mobile communication terminal; And And detecting a position of the finger or the input tool in the input key image. At least one mobile communication terminal for receiving a text or image to generate a terminal signal: And And a display device for displaying the text or the image using the terminal signal. The method of claim 11, wherein the mobile communication terminal comprises a signal transmission unit for converting the terminal signal into a radio signal to emit, And the display device comprises a signal receiving unit for receiving the terminal signal converted into the wireless signal. 13. The text input system of claim 12, further comprising a communication network that receives the terminal signal converted into the wireless signal and transmits the terminal signal to the display device. The method of claim 11, wherein the mobile communication terminal comprises an output connector for outputting the terminal signal to the outside, And the display device includes an input connector electrically connected to the signal transmitter and a connection cable to receive the terminal signal. The method of claim 11, wherein the mobile communication terminal A terminal input key that receives the text or the image through being pressed by an external pressure and outputs a key input signal; And And a terminal controller for generating the terminal signal in response to the key input signal. The method of claim 11, wherein the mobile communication terminal A touch input unit configured to receive the text or the image through an external touch event and output a touch input signal; And And a terminal controller configured to generate the terminal signal in response to the touch input signal. The method of claim 11, wherein the mobile communication terminal A projection input unit for detecting a position of a finger or an input tool in the input key image projected on the flat surface and generating a position sensing signal; And And a terminal controller for generating the terminal signal in response to the position sensing signal. 18. The projection input unit of claim 17, wherein the projection input unit is An input key projector to project the input key image onto the flat surface; And And a position sensor unit for detecting a position of the finger or the input tool in the input key image and generating the position sensing signal. The method of claim 18, wherein the position sensor unit Character input system comprising a heat sensor for sensing the heat in the finger or the input tool. The method of claim 18, wherein the position sensor unit Character input system, characterized in that it comprises a position detection camera that can photograph the finger or the input tool. The display device of claim 11, wherein the display device An image controller generating an image driving signal for displaying an image in response to the terminal signal; And And a video display unit for implementing an image in response to the video driving signal. The main control apparatus of claim 11, further comprising: generating a display device control signal for controlling the display device by receiving the terminal signal, and being electrically connected to the display device to transmit the display device control signal to the display device. Character input system characterized in that it further comprises. A terminal input key that receives the first text data by being pressed by an external pressure and outputs a key input signal; A terminal controller configured to generate a first terminal signal in response to the key input signal; And And a signal transmitter for converting the first terminal signal applied from the terminal controller into a wireless signal and outputting the first text data to a display device for displaying the first text data. The mobile communication terminal of claim 23, further comprising a touch input unit configured to receive second text data through an external touch event and output a touch input signal to the terminal controller. The terminal of claim 24, wherein the terminal controller outputs a second terminal signal to the signal transmitter in response to the touch input signal. And the signal transmitting unit converts the second terminal signal into a wireless signal and outputs the signal to the display device to display the second text data on the display device. 24. The apparatus of claim 23, further comprising a projection input unit for detecting a position of a finger or an input tool in the input key image projected on the flat surface and generating a position sensing signal including second text data. Mobile communication terminal. 27. The projection input unit of claim 26, wherein the projection input unit is An input key projector to project the input key image onto the flat surface; And And a position sensor unit for detecting the position of the finger or the input tool in the input key image and generating the position sensing signal. The terminal of claim 27, wherein the terminal controller outputs a second terminal signal to the signal transmitter in response to the position sensing signal. And the signal transmitting unit converts the second terminal signal into a wireless signal and outputs the signal to the display device to display the second text data on the display device.

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