KR20030026016A - Electronic board device and method for controlling - Google Patents

Abstract

PURPOSE: Provided is an electronic blackboard system which enables lecturers to lecture with seeing audiences directly by the help of an electronic board and a holder for an electronic pen so that it helps to raise audiences' attention. CONSTITUTION: The electronic blackboard system comprises the parts of: an electronic blackboard(100) which displays characters like writing, drawing, painting or so on as users' selection on window, in which lecture materials or presentations are displayed and generates a digital signal in a corresponding to the displayed characters; a computer(200) which receives data from the electronic pen to run appropriate program or receives a digital signal from the electronic blackboard to store the signal at an internal memory and outputs the date with an LCD projector for displaying at a large-sized screen; and the holder for the electronic pen(300) which prints selection data at the computer when one electronic pen is selected among plural electronic pens and stops the function of other pens.

Description

ELECTRICAL BOARD DEVICE AND METHOD FOR CONTROLLING

The present invention relates to an electronic blackboard apparatus and a control method thereof, and more particularly, to a multimedia lecture using an electronic blackboard, a remote education on the Internet, or a lecturer during a video conference and various seminars of a company, an electronic pen hanger and an LCD (Liguid Crystal Display). (Hereinafter referred to as LCD). An electronic blackboard device and a control method thereof, and a control method of the electronic blackboard device, which make it possible to observe and listen to the listeners in front by using a monitor-type electronic blackboard. The present invention relates to a recording medium on which a program can be recorded.

In the conventional lecture method using the LCD projector, when lectures or presentations are carried out through the LCD projector and the large screen installed on the wall, a method of explaining the laser indicator rod on the screen contents is used. In the form of an electronic blackboard using a lecturer, a lecturer lectured on a large monitor equipped with a touch screen using a finger or an electronic pen indicator bar.

However, when a lecture is conducted using a conventional LCD projector as described above, the lecturer cannot express writings or lines that require supplementary explanation in order to improve the understanding of the learners, and when the lecturer uses a more advanced copyboard, Since only one finger or one electronic pen is used, the entire function is displayed as an icon on the monitor screen and the lecturer selects and uses the icon. There is a problem that overlaps the lecture or presentation, and when you select an icon with your finger or the electronic pen, the visual error of the thickness of the display panel and touch screen on the front of the LCD monitor occurs, that is, the angle of refraction. It is difficult for the lecturer to select or operate the correct location. There are problems that do not fully utilized, whereby there is a problem that falls lectures concentration.

Accordingly, the present invention has been made to solve the conventional problems as described above, to increase the concentration of the lectures of the listeners and to enable the lecturer to easily use the respective functions of the electronic blackboard without knowing the separate use method An apparatus, a control method thereof, and a recording medium having a computer readable program recorded thereon for realizing the control method of the electronic blackboard apparatus.

In order to achieve the above object, the present invention provides an electronic blackboard apparatus for displaying a lecture or presentation content during multimedia lectures and distance education or corporate video conferencing and various seminars on the Internet,

An electronic blackboard that displays characters such as writing, writing, line drawing, and drawing according to a user's selection on a window on which documents of lecture materials and presentation contents are displayed, and outputs digital signals corresponding to the text display;

When the electronic pen selection result data is input, the corresponding writing and driving program is driven and resident, and when the digital signal is received from the electronic board, the digital signal is stored in an internal memory and displayed on a large screen mounted on a wall. A computer output to the LCD projector; And

When an electronic pen is selected from among a plurality of electronic pens having different functions, the electronic pen hanger is configured to output corresponding electronic pen selection result data to the computer and to stop using the remaining electronic pen functions. It is done.

In addition, the control method of the electronic blackboard apparatus according to an embodiment of the present invention, step 100 of the computer initializing the initial screen of the electronic blackboard to the mouse operating mode state when the system is initially driven;

A step 200 in which the central control unit in the electronic pen hanger receives electronic pen selection data according to a user's electronic pen selection through an input / output device unit;

Step 300, the central control unit comparing data previously stored in a storage unit with electronic pen selection data input through the input / output unit and outputting corresponding electronic pen selection result data to a computer through a USB communication interface unit; And

In step 400, the computer receives the electronic pen selection result data from the central control unit through the USB communication interface unit and drives the corresponding writing and driving program to reside therein.

In addition, the present invention is a plurality of electronic pens each having a writing and writing, a highlighter, an eraser, a mouse operation mode function, etc. in the electronic pen hanger in the electronic blackboard apparatus, for controlling the electronic pen selection of the electronic pen hanger. When one electronic pen is selected by the user and the electronic pen selection result data of the corresponding function is generated, a computer-readable program for realizing a locking function that stops the operation of the remaining electronic pens and prevents them from being used. Provide a recorded record carrier.

In addition, the electronic blackboard functions such as writing and writing, highlighter, eraser, and mouse operation mode of the electronic blackboard device, and storing, recalling, sending an e-mail, drawing a figure, erasing, and zooming in / out of the electronic blackboard device. In order to control the selection of helper functions such as a white board, the electronic pen and the electronic pen and helper function selection result data are received from the electronic pen hanger, and the writing and driving program and the helper function of the corresponding specific function are driven. And the electronic pen selection function for implementing specific functions such as writing and writing, highlighter, eraser, and mouse operation mode on the window of the LCD monitor-type copyboard. Provided is a recording medium having a computer readable program recorded thereon.

1 is a schematic view showing the configuration of an electronic blackboard apparatus according to an embodiment of the present invention,

Figure 2 is a schematic diagram of a bracket means mounted to one side of the copyboard of the copyboard device according to an embodiment of the present invention,

Figure 3 is a functional block diagram showing the configuration of the electronic pen hanging device of the electronic blackboard apparatus according to an embodiment of the present invention,

Figure 4 is a front view showing to explain the electronic pen hanging device of the electronic blackboard apparatus according to an embodiment of the present invention,

5 is a schematic perspective view illustrating the electronic pen hook device of the electronic blackboard apparatus according to an embodiment of the present invention;

Figure 6 is a schematic cross-sectional view showing to explain the electronic pen hanging device of the electronic blackboard apparatus according to an embodiment of the present invention,

7 is a schematic diagram showing an example of the configuration of a remote image education system using the electronic blackboard device according to an embodiment of the present invention,

8 is an operation flowchart showing a control method of an electronic blackboard apparatus according to an embodiment of the present invention;

9 is an operation flowchart showing in more detail the operation of step 300 (S300) of the control method of the electronic blackboard apparatus according to an embodiment of the present invention,

FIG. 10 is a flowchart illustrating an operation process of step 400 of the electronic blackboard apparatus according to an embodiment of the present invention in more detail.

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

100: copyboard 101: bracket means

200: computer 300: electronic pen hanger

301: binding means 302: name plate

303: helper function display button 310: electronic pen support

320: recognition sensor and locking device 321: light emitting device

322: light receiving element 330: input / output unit

340: helper function selection circuit unit 350: storage unit

360: central control

Hereinafter, an electronic blackboard apparatus and a control method thereof according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic view showing an electronic blackboard apparatus according to an embodiment of the present invention, the electronic blackboard apparatus according to an embodiment of the present invention is an electronic blackboard 100, a computer 200, and an electronic pen hanger It consists of 300.

The electronic blackboard 100 displays texts such as writing and writing, line drawing, highlighter, and figure drawing according to the user's selection on a window on which documents of lecture materials and presentation contents are displayed. It serves to output a signal to the computer (200).

Here, the electronic blackboard 100 is an electronic pen function such as writing and writing, highlighter, eraser, mouse operation mode and the like, save, load, send mail, draw a figure, erase all, zoom in / out, white board, etc. LCD monitor equipped with a touch screen capable of recognizing a helper function, and a detachable bracket so that the electronic pen hanger 300 can be detachably mounted on one side of the outer housing of the electronic blackboard 100. Means 101 are formed, the bracket means 101 of which are shown in FIG. 2.

In addition, when the computer 200 receives the electronic pen selection result data from the electronic pen hook device 300 through the USB communication interface unit 5, the computer 200 drives the corresponding writing and driving program to reside therein. When the digital signal is received from the blackboard 100, the digital signal is stored in the internal memory and output to the LCD projector 2 to be displayed on the large screen 3 installed on the wall.

In addition, the computer 200 receives the helper function selection data from the electronic pen-hanger device 300 through the USB communication interface unit 5, and simultaneously stores, loads, sends a mail, draws a figure, erases, and enlarges the data. Displays helper functions such as Go to Home, Whiteboard, etc. in the form of an icon bar on the window.

Here, the computer 200 is connected to a plurality of sub-computers 4 through a LAN or Internet connection means for multimedia lectures and distance education on the Internet, as shown in FIG. Data can be transmitted and received to the plurality of subcomputers 4. As shown in FIG. 7, a projection TV 8 may be connected to the computer 200, and the computer 200 may be input as in a general computer as shown in FIG. 1. The keyboard 6 and the mouse 7 are connected by means.

The electronic pen hanger 300 outputs the corresponding electronic pen selection result data to the computer 200 when an arbitrary electronic pen 1 is selected from among a plurality of electronic pens 1 having different functions. On the other hand, it serves to stop the use of the remaining electronic pen (1) function.

At this time, when the writing, writing and highlighter electronic pen 1 is selected from the electronic pen hanger 300, a red, black, blue and thickness adjusting icon bar is displayed on the bottom right of the screen on the electronic blackboard 100. When the electronic pen 1 of the eraser function is selected, the thickness adjustment icon bar is displayed on the window. These icons can be easily selected and used by the user. When the electronic pen hanger 300 is re-inserted without using the respective electronic pen 1, the corresponding icon bar disappears, and the corresponding icons are not stored when stored.

In addition, as shown in FIG. 3, the electronic pen hanger 300 includes an electronic pen support unit 310, a recognition sensor and a lock unit 320, an input / output unit unit 330, and a helper function selection circuit unit 340. , A memory device 350, and a central controller 360, and the electronic pen supporter 310 in the electronic pen hanger 300 functions as a writing and writing function, a highlighter, an eraser, and a mouse operation mode. It serves to enable the withdrawal and insertion of a plurality of electronic pen (1) having a.

In addition, the recognition sensor and the lock unit 320 in the electronic pen hanger 300 are respectively installed inside the electronic pen support unit 310 into which the plurality of electronic pens 1 are inserted. When the electronic pen 1 is withdrawn, the electronic pen selection data corresponding to the electronic pen 1 is output to the input / output device unit 330, and the function of stopping the remaining electronic pen 1 is not drawn. In order to detect the insertion and withdrawal of the electronic pen 1, the recognition sensor and the locking unit 320 receive light emitted from the light emitting device 321 and light emitted from the light emitting device 321. The device 322 is further configured, and is well illustrated in the cross-sectional view of the electronic pen hook device 300 shown in FIG.

In addition, the input / output device unit 330 in the electronic pen hanger 300 receives electronic pen selection data from the recognition sensor and lock unit 320 and simultaneously transmits the electronic pen selection data to the central controller 360. It also serves to output, and at the same time receiving the helper function selection data from the helper function selection circuit unit 340 in the electronic pen hanger 300 and outputs the helper function selection data to the central control unit 360 Play a role.

On the other hand, the helper function selection circuit unit 340 in the electronic pen hanging device 300 is connected to the input / output device unit 330, and writes, writes, highlighters, Saving the contents of lectures required when using the electronic pen (1) such as the eraser function, recalling arbitrary file contents, sending mail of stored contents, drawing a figure, erasing the entire contents, enlarging / returning the writing and lecture contents, It outputs the corresponding helper function selection data to the central control unit 360 through the input / output unit 330 so that a helper function such as a white board can be displayed in the form of an icon bar on the window. Press the icon of the function with the electronic pen (1) in use to execute the function.

At this time, if the user presses the helper function display button 303 again after executing the helper function on the window, the icon of the helper function displayed on the window disappears.

The memory unit 350 in the electronic pen hanger 300 stores a table of writing and writing, a highlighter, an eraser, and a mouse operation mode.

In addition, the central control unit 360 of the electronic pen hanger 300 receives electronic pen selection data from the input / output unit 330 and simultaneously stores the electronic pen selection data in the storage unit 350. Compared with the corresponding data and outputs the corresponding electronic pen selection result data to the computer 200 through the USB communication interface 5, while receiving the helper function selection data from the input and output unit 330 and At the same time, it serves to output the helper function selection data to the computer 200 through the USB communication interface (5).

And, as shown in Figure 5, the outer housing one side of the electronic pen hanging device 300, the binding means 301, such as a hook groove is detachably mounted to one side of the electronic blackboard 100 is formed. Also, as shown in FIGS. 4 and 5, a name plate 302 corresponding to a plurality of electronic pen functions is attached to a front surface of the external housing of the electronic pen-hanging device 300, and the helper below. The function display button 303 is further provided.

Next, a control method of the electronic blackboard apparatus according to an embodiment of the present invention using the electronic blackboard apparatus having the above configuration will be described.

8 is an operation flowchart showing a control method of the electronic blackboard apparatus according to an embodiment of the present invention.

First, the computer 200 initializes the initial screen of the copyboard 100 to a mouse operation mode state at the time of initial driving of the system (S100). Here, the mouse operation mode state refers to an electronic pen 1 such as writing and writing, highlighting pen, and eraser function at the time of initial driving of a system including the electronic blackboard 100, the computer 200, the electronic pen hanger 300, and the like. This means a state in which various functions cannot be implemented on the window of the copyboard 100.

As described above, when the user selects a specific electronic pen 1 among electronic pens having various functions while the electronic blackboard 100 is initialized to a mouse operation mode, the central control unit 360 of the electronic pen hanger 300 ) Receives electronic pen selection data according to the user's electronic pen 1 selection through the input / output device unit 330 (S200).

Thereafter, the central controller 360 compares the data previously stored in the storage unit 350 with the electronic pen selection data input through the input / output unit 330 and at the same time corresponding electronic pen selection result data. To the output via the USB communication interface unit 5 to the computer 200 (S300).

In this case, the detailed operation process of the 300th step S300 will be described in more detail with reference to FIG. 9 as follows.

First, the central control unit 360 determines whether the electronic pen selection data received through the input / output unit 330 is the same as writing and writing data previously stored in the storage unit 350 (S301).

In this case, when the writing and writing data previously stored in the storage unit 350 and the input electronic pen selection data are not the same in operation 301 (S301), the central control unit 360 controls the input / output unit 330. It is determined whether the electronic pen selection data received through the same as the highlighter data previously stored in the storage unit 350 (S302).

If the highlighter data previously stored in the memory device 350 and the input electronic pen selection data are not the same in operation 302 (S302), the central control unit 360 inputs the data through the input / output device unit 330. It is determined whether the received electronic pen selection data is the same as the eraser data previously stored in the storage unit 350 (S303).

In this case, when the eraser data previously stored in the storage unit 350 and the input electronic pen selection data are not the same in step 303 (S303), the central control unit 360 receives the input from the input / output unit 330. It is determined that the electronic pen selection data is the mouse operation mode data, and the electronic pen selection result data corresponding to the mouse operation mode is output to the computer 200 through the USB communication interface unit 5 (S304).

On the other hand, if the writing and writing data previously stored in the storage unit 350 and the input electronic pen selection data are the same in step 301 (S301), the central control unit 360 selects writing and writing electronic pens. Data is output to the computer 200 through the USB communication interface 5 (S305).

In addition, when the highlighter data previously stored in the storage unit 350 and the input electronic pen selection data are the same in step 302 (S302), the central control unit 360 transmits the highlighter electronic pen selection result data to the USB communication. It outputs to the computer 200 through the interface unit 5 (S306).

In this case, when the eraser data stored in the storage unit 350 and the input electronic pen selection data are the same in step 303 (S303), the central control unit 360 transmits the eraser electronic pen selection result data to the USB communication unit. Output to the computer 200 through the interface unit 5 (S307).

Subsequently, the computer 200 receives the electronic pen selection result data from the central control unit 360 through the USB communication interface unit 5, and simultaneously drives the corresponding writing and driving program (S400).

In this case, a detailed operation process of the 400 th operation S400 will be described in more detail with reference to FIG. 10 as follows.

First, the computer 200 receives writing and writing electronic pen selection result data from the central control unit 360 through the USB communication interface unit 5 and simultaneously processes the writing and writing electronic pen selection result data. (S401).

Thereafter, the computer 200 drives the writing and writing programs for writing and writing so that the writing and writing functions can be performed on the window of the copyboard 100, and displays the color selection icon bar on the window. To display (S402). Here, the color selection icon bar displayed on the window of the copyboard 100 is displayed in red, black, and blue colors at the lower right of the window screen, and is not displayed when the file is stored and printed.

Subsequently, the computer 200 determines whether the color selection icon bar is selected by the user (S403).

In this case, when the color selection icon bar is not selected in the step 403 (S403), the process proceeds to the step 403 (S403). When the color selection icon bar is selected, the computer 200 displays the helper function display button 303 by the user. ) Is determined (S404).

At this time, if the helper function display button 303 is not selected in step 404 (S404), the helper function display button 303 is not displayed unless an icon of the helper function is displayed on the window of the electronic blackboard 100. When selected by the user, the computer 200 stores the contents of the lecture on the window of the copyboard 100, retrieves the contents of any file, sends the mail of the stored contents, draws a figure, erases all the writing, and lectures. The helper functions such as the enlargement of the contents / return to the original state and the white board are immediately displayed as icons (S405).

Then, the user uses various functions such as writing and writing necessary for lecture through writing and writing functions and helper functions implemented on the window of the LCD monitor-type copyboard 100.

On the other hand, if the computer 200 receives the highlighter electronic pen selection result data from the central control unit 360 through the USB communication interface 5 (S406).

Subsequently, the computer 200 drives the resident writing pen and the driving program so that the function of the highlighter can be performed on the window of the copyboard 100, and displays the color selection icon bar on the window. The flow advances to step S403 (S407).

When the computer 200 receives the eraser electronic pen selection result data from the central control unit 360 through the USB communication interface unit 5, the computer 200 processes the eraser electronic pen selection result data (S408).

Thereafter, the computer 200 drives the eraser driving program so that the eraser can perform the function of the eraser on the window of the copyboard 100, and simultaneously displays the thickness adjustment icon bar on the window (S409).

Subsequently, the computer 200 determines whether the thickness adjustment icon bar is selected by the user, and if the thickness adjustment icon bar is selected, the process proceeds to step 404 (S404) and returns if the thickness adjustment icon bar is not selected ( S410).

On the other hand, when the computer 200 receives the electronic pen selection result data of the mouse operation mode from the central control unit 360 through the USB communication interface 5, the computer 200 processes the electronic pen selection result data of the mouse operation mode ( S411).

Thereafter, the computer 200 resides by driving a driving program for a mouse operation mode that prevents a function of the electronic pen 1 such as writing and writing, highlighter, and eraser from being performed on the window of the copyboard 100. (S412).

Therefore, the user can properly write, write, highlighter, eraser, and helper functions necessary for lecture on the window of the copyboard 100 by using the electronic pen 1 of the various functions in the electronic pen hanger 300. Smooth lectures and presentations can be used, and the contents of these lectures are displayed on the large screen 3 through the LCD projector 2.

As described above, the electronic blackboard apparatus and the control method thereof according to the present invention provide a multi-media lecture using the electronic blackboard and a lecturer during the distance education or video conferencing and various seminars on the Internet. By making it possible to observe and listen to the listeners in front of the blackboard, the audience can not only increase the concentration of listening, but also separately depending on the selection of the electronic pen for each specific function inserted in the electronic pen hanger. It has the advantage that it can be easily used without knowing how to use, and also has the effect of reducing the cost compared to the conventional electronic blackboard, thereby increasing the added value of the component product.

Claims (19)

In the electronic blackboard device for displaying lectures or presentations during multimedia lectures, distance education on the Internet, corporate video conferencing and seminars, An electronic blackboard that displays characters such as writing, writing, line drawing, and drawing according to a user's selection on a window on which documents of lecture materials and presentation contents are displayed, and outputs digital signals corresponding to the text display; When the electronic pen selection result data is input, the corresponding writing and driving program is driven and resident, and when the digital signal is received from the electronic board, the digital signal is stored in an internal memory and displayed on a large screen mounted on a wall. A computer output to the LCD projector; And When an electronic pen is selected from among a plurality of electronic pens having different functions, the electronic pen hanger is configured to output corresponding electronic pen selection result data to the computer and to stop using the remaining electronic pen functions. Electronic blackboard device. The method of claim 1, The electronic board is a touch screen capable of recognizing functions such as writing and writing, highlighter, eraser, mouse operation mode, saving, loading, sending mail, drawing shapes, erasing all, zooming / returning, whiteboard, and drawing. The electronic blackboard device, characterized in that consisting of the attached LCD monitor. The method of claim 1, An electronic blackboard apparatus, characterized in that the detachable bracket means is formed on one side of the external housing of the electronic blackboard so that the electronic pen hanger can be detachably mounted. The method of claim 1, The computer is connected to a plurality of sub-computers via a LAN (LAN) or the Internet (INTERNET) connecting means for multimedia lectures and distance education on the Internet, and the corresponding blackboard device, characterized in that the corresponding data is transmitted and received. The method of claim 1, The electronic pen hanger includes: an electronic pen support unit for inserting a plurality of electronic pens having functions such as writing and writing, a highlighter, an eraser, and a mouse operation mode; Functions of the remaining electronic pens, which are respectively installed in the electronic pen support unit into which the plurality of electronic pens are inserted, output the corresponding electronic pen selection data when the electronic pens are drawn out of the plurality of electronic pens. Recognition sensor and the lock unit for stopping the; An input / output device unit for receiving the electronic pen selection data from the recognition sensor and the lock unit and outputting the electronic pen selection data, and receiving the helper function selection data and outputting the helper function selection data; A helper function selection circuit unit connected to the input / output device unit and outputting helper function selection data to the input / output device unit according to a user's selection; A storage unit for storing data tables such as writing and writing, highlighter, eraser, and mouse operation mode; And When the electronic pen selection data is received from the input / output device unit, the electronic pen selection data is compared with the data previously stored in the storage unit, and the corresponding electronic pen selection result data is output to the computer through the USB communication interface unit. On the other hand, the electronic blackboard apparatus comprising a central control unit for outputting the helper function selection data from the input and output unit unit outputs the helper function selection data to the computer via a USB communication interface unit. The method of claim 5, The recognition sensor and the lock unit, the electronic blackboard device further comprises a light emitting element for emitting light to detect the insertion and withdrawal of the electronic pen, and a light receiving element for receiving the light emitted from the light emitting element . The method of claim 1, The electronic blackboard apparatus, characterized in that the binding means such as a hook groove detachably mounted on one side of the electronic blackboard on one side of the outer housing of the electronic pen hanger. The method of claim 1, An electronic blackboard apparatus comprising: a name plate corresponding to a plurality of electronic pen functions is attached to a front surface of the external housing of the electronic pen hanger, and a helper function display button for selecting a helper function is further installed below. A step 100 in which the computer initializes the initial screen of the copyboard to the mouse operation mode state when the system is initially driven; A step 200 in which the central control unit in the electronic pen hanger receives electronic pen selection data according to a user's electronic pen selection through an input / output device unit; Step 300, the central control unit comparing data previously stored in a storage unit with electronic pen selection data input through the input / output unit and outputting corresponding electronic pen selection result data to a computer through a USB communication interface unit; And And a step 400 in which the computer receives the electronic pen selection result data from the central control unit through the USB communication interface unit and drives the corresponding writing and driving program to reside therein. The method of claim 9, The step 300 may include: determining, by the central controller, whether the electronic pen selection data input through the input / output device unit is the same as writing and writing data previously stored in the storage unit; If the writing and writing data previously stored in the storage unit are not the same as the electronic pen selection data in step 301, the electronic pen selection data input by the central controller through the input / output unit is previously stored in the storage unit. A step 302 of determining whether or not equal to highlighter data; If it is not the same as the highlighter data previously stored in the storage unit in step 302, the central controller determines whether the electronic pen selection data received through the input / output unit is equal to the eraser data previously stored in the storage unit. Step 303; And If the eraser data previously stored in the storage unit and the input electronic pen selection data in step 303 are not the same, the central controller determines that the electronic pen selection data received from the input / output unit is mouse operation mode data. And controlling the electronic pen selection result data corresponding to the mouse operation mode to the computer through the USB communication interface unit. The method of claim 10, If the writing and writing data previously stored in the storage unit and the input electronic pen selection data are the same in step 301, the central controller outputs writing and writing electronic pen selection result data to the computer through the USB communication interface unit. The control method of the electronic blackboard apparatus further comprising the step 305. The method of claim 10, In step 302, if the highlighter data previously stored in the storage unit and the input electronic pen selection data are the same, the central controller outputs the highlighter electronic pen selection result data to the computer through the USB communication interface unit. Control method of an electronic blackboard device characterized in that it further comprises. The method of claim 10, In step 303, when the eraser data previously stored in the storage unit and the input electronic pen selection data are the same, the central controller outputs the eraser electronic pen selection result data to the computer through the USB communication interface unit. Control method of an electronic blackboard device characterized in that it further comprises. The method of claim 9, A step 401 of the computer receiving writing and writing electronic pen selection result data from the central control unit via a USB communication interface and processing the writing and writing electronic pen selection result data; A step 402 of displaying, by the computer, a writing and driving program for writing and writing so that the computer can perform writing and writing functions on the window of the copyboard and displaying a color selection icon bar on the window; Step 403, the computer determines whether the color selection icon bar has been selected by the user; Step 404, if the color selection icon bar is not selected in step 403, and if the color selection icon bar is selected, the computer determines whether the helper function display button is selected by the user; And In step 404, if the helper function display button is not selected, the operation is terminated. If the helper function display button is selected, the computer further includes step 405 in which the computer displays the icon bar of the helper function on the window of the copyboard. The control method of the electronic blackboard apparatus. The method of claim 9, Step 406, wherein the computer receives the highlighter electronic pen selection result data from the central control unit via a USB communication interface and processes the highlighter electronic pen selection result data; And In step 407, the computer displays the color selection icon bar on the window while driving and resident the highlighter writing and driving program so that the computer can perform the function of the highlighter on the window of the copyboard. Control method of an electronic blackboard device characterized in that it comprises a. The method of claim 9, Step 408, the computer receiving the eraser electronic pen selection result data from the central control unit via a USB communication interface unit and processing the eraser electronic pen selection result data; Step 409, wherein the computer drives and resides in the eraser driving program so that the computer can perform the function of the eraser on the window of the copyboard and simultaneously displays a thickness control icon bar on the window; And And determining, by the computer, whether the thickness control icon bar is selected by the user, and if the thickness control icon bar is selected, further comprising step 410, which proceeds to step 404. The method of claim 9, Step 411, wherein the computer receives the electronic pen selection result data of the mouse operation mode from the central control unit via the USB communication interface and processes the electronic pen selection result data of the mouse operation mode; And And a step 412, in which the computer drives and resides in a driving program for a mouse operation mode to prevent a function of another electronic pen from being performed on a window of the copyboard. In the electronic pen hanger in the copyboard device, In order to control the electronic pen selection of the electronic pen hanger, one electronic pen is selected by a user among a plurality of electronic pens each having a writing and writing function, a highlighter, an eraser, and a mouse operation mode function. A recording medium having a computer-readable program recorded thereon for realizing a locking function that stops the function operation of the remaining electronic pens when the electronic pen selection result data is generated. To computer in copyboard device, Selection of helper functions such as writing and writing of the copyboard device, highlighter pen, eraser, mouse operation mode, and other electronic pen functions such as saving, loading, sending mail, drawing shapes, erasing, zooming / reverting, and whiteboard For the control, the electronic pen and the helper function selection result data of a specific function are received from the electronic device, and the writing and driving program and the helper function of the specific function are driven and resident. A computer-readable program is recorded on the board of the copyboard to realize the electronic pen selection function for implementing specific functions such as writing and writing, highlighter, eraser, and mouse operation mode, and the helper selection function for implementing the helper function. Record carrier.