KR101404812B1 - Electronic writing board - Google Patents

Abstract

An electronic blackboard of the present invention includes a plurality of boards which is provided to include location information in an optical signal released through a screen and output the optical signal by mounting the location information on the optical signal; an electronic pen which generates and transmits an execution command according to the location information of a touch point when being touched with any one of the boards; a receiving unit which receives the execution command from the electronic pen; and a main processing unit which receives the execution command from the receiving unit and processes the execution command to divide and display the entire screen by each of the boards.

Description

ELECTRONIC WRITING BOARD

The present invention relates to an electronic whiteboard, and more particularly, to an electronic whiteboard, in which coordinates information is output to an optical signal emitted through a plurality of boards, and an execution command is generated and processed using coordinate information when the electronic pen is touched, The present invention relates to an electronic whiteboard in which an entire screen is partially divided and displayed.

In recent years, the educational environment has changed rapidly due to the digital environment. For example, digital textbooks have been widely used, and educational environments using various multimedia devices have been rapidly spreading. In addition, an electronic blackboard that can easily provide various information in place of the existing analog blackboard has been spreading in earnest.

The electronic board supports the interactive communication between the main processor and the board so that the contents of the lecture or presentations can be displayed on the window and the writing and writing functions can be provided. It is designed.

Background Art related to the present invention is 'electronic blackboard' of Korean Patent Publication No. 10-2011-0010992 (2011.02.08).

In the present invention, coordinates information is output to an optical signal emitted through a plurality of boards, and an execution command is generated and processed by using coordinate information at the time of touching an electronic pen to divide and display the entire screen partly through a plurality of boards The purpose of the electronic board is to provide.

According to an aspect of the present invention, there is provided an electronic whiteboard, comprising: a board having a plurality of electronic boards for outputting position information to optical signals emitted through a screen; An electronic pen for generating and transmitting an execution command according to position information of the touch point when the touch point is touched with any one of the boards; A receiving unit for receiving the execution command from the electronic pen; And a main processing unit for receiving and executing the execution command from the receiving unit to divide and display the entire screen through each of the boards, wherein the electronic pen includes a touch sensing unit for sensing a touch with the board; A light receiving unit receiving the optical signal when a touch with the board is sensed by the touch sensing unit; A signal processing unit for extracting the position information of the touch point from the optical signal and generating the execution command using the position information of the touch point; And a transmitting unit for transmitting the execution command generated by the signal processing unit to the receiving unit, wherein the board includes position information of the board so that the position information of the board can be emitted to the front of the screen through an optical signal, A coordinate modulation unit for modulating a signal input to the light source of the board; And an image output unit for mixing the position information of the board modulated by the coordinate modulating unit with a signal input to the light source and outputting the optical signal as an optical signal and outputting the processing result received from the main processing unit to the screen. .

The location information of the touch point of the present invention includes board information assigned to each of the boards and coordinate information of the board.

The main processing unit of the present invention includes: a coordinate information extracting unit that receives the execution command from the receiving unit and extracts position information of the touch point from the execution command; A main controller for analyzing the execution command according to the touch point extracted by the coordinate information extraction unit and executing the execution command; And an output interface unit for dividing a screen generated as a result of execution of the execution command of the main control unit to correspond to the number of the boards and transmitting the divided screens to each of the boards.

The main control unit of the present invention may further include at least one of a writing mode for displaying a marking image recorded through the electronic pen on the screen according to the execution command, a window mode for performing a window function, and a presentation mode for performing a presentation function Is performed.

The main control unit of the present invention can switch between the writing mode, the window mode, and the presentation mode.

The main control unit of the present invention may capture a screen displayed through the board in the pen mode and display a marked image on the captured image corresponding to the touch trajectory of the electronic pen.

The main control unit of the present invention is further characterized in that, in the pen mode, the pen type, line shape and color of the marking image, and the menu of the user's convenience are set according to the execution command.

The main control unit of the present invention displays a blackboard image of a single color on a screen displayed through the board in the pen mode and displays the marking image on the blackboard image so as to correspond to the touch trajectory of the electronic pen .

The main control unit of the present invention is characterized in that the color of the marking image is displayed so as to have a complementary color relationship with the color of the blackboard image.

The electronic pen of the present invention includes: a touch sensing unit for sensing a touch with the board; A light receiving unit receiving the optical signal when a touch with the board is sensed by the touch sensing unit; A signal processing unit for extracting the position information of the touch point from the optical signal and generating the execution command using the position information of the touch point; And a transmitter for transmitting the execution command generated by the signal processor to the receiver.

The electronic pen of the present invention may further include a hot key input unit for setting a pen menu of the pen displayed through the board.

The board of the present invention includes a coordinate modulation unit for modulating the position information of the board into a signal input to the light source of the board so that the position information of the board can be emitted through the optical signal to the front of the screen. And an image output unit for mixing the position information of the board modulated by the coordinate modulating unit with a signal input to the light source and outputting the optical signal as an optical signal and outputting the processing result received from the main processing unit to the screen. .

In the present invention, a plurality of boards are arranged side by side so as to implement a large screen image.

In addition, the present invention can arrange a plurality of boards side by side in a horizontal direction or a vertical direction, adjust the number of boards as necessary to arbitrarily expand the size of a screen, It is possible to implement various lecture environments suitable for the number of participants.

Further, the present invention improves the degree of lecture and lecture by changing the color of various pamphlet information displayed on the board.

In addition, the present invention improves convenience and concentration of lectures by automatically changing the marking image displayed through the board to the color set in the color of the background screen or by selecting the lecturer.

Further, the present invention supports a window mode, a pen mode, and a presentation mode, and allows the lecturer to easily change the operation mode during lecture, thereby realizing various lectures suitable for lecture topic and lecture contents.

1 is a block diagram of an electronic whiteboard according to an embodiment of the present invention.
2 is a view showing an example of a screen of the copyboard according to an embodiment of the present invention.
3 is a diagram illustrating an example of screen division according to an embodiment of the present invention.
FIG. 4 is a view illustrating an example in which a board is extended in a lateral direction according to an embodiment of the present invention.
5 is a view illustrating an example of extending a board in a longitudinal direction according to an embodiment of the present invention.
6 is a block diagram of the electronic pen of the electronic whiteboard according to an embodiment of the present invention.
FIG. 7 is a conceptual view illustrating extraction of coordinate information of a board and a board according to a touch of an electronic pen according to an embodiment of the present invention.
8 is a block diagram of a main processing unit according to an embodiment of the present invention.
9 is a block diagram of a board according to an embodiment of the present invention.
10 is a flowchart illustrating an operation of the electronic whiteboard according to an embodiment of the present invention.
FIG. 11 is a flowchart illustrating a process of performing a writing mode, a window mode, and a presentation mode using a copyboard according to an embodiment of the present invention.
12 is a diagram illustrating an example of a process of performing a writing mode according to an embodiment of the present invention.
13 is a diagram illustrating another example of a process of performing a writing mode according to an embodiment of the present invention.
FIG. 14 is a diagram illustrating a list of a Panser menu according to an embodiment of the present invention.

Hereinafter, an electronic whiteboard according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a block diagram of an electronic whiteboard according to an embodiment of the present invention. FIG. 2 is a view illustrating an example of a screen of the electronic whiteboard according to an embodiment of the present invention. FIG. 4 is a diagram illustrating an example in which a board according to an embodiment of the present invention is extended in the horizontal direction. FIG. 5 is a view illustrating an example of a screen division according to an embodiment of the present invention. As shown in Fig.

As shown in FIG. 1, the electronic whiteboard according to one embodiment of the present invention includes a board 10 arranged in parallel so that a plurality of the boards are laterally interposed, The position information of the touch point is extracted from the optical signal emitted through the screen of the corresponding board 10 touched with any one of the plurality of boards 10 and executed according to the position of the touch point using the extracted touch point An electronic pen 20 that generates an instruction and sends it to the receiving unit 30, a receiving unit 30 that receives an execution command from the electronic pen 20 and inputs the execution command to the main processing unit 40, And a main processing unit (40) for transmitting video signals of the divided screen areas to each of the plurality of boards (10).

Here, a plurality of boards 10 are provided, and each of the boards 10 is arranged in parallel so as to be horizontally or vertically interlaced, and displays a screen of each unique area, thereby displaying the entire screen. In this case, each board 10 displays a screen corresponding to the video signal of the corresponding area transmitted from the main processing unit 40, as shown in FIG.

Referring to FIGS. 2 and 3, each of the boards 10 is arranged so as to face in a horizontal direction, that is, in the x-axis direction, with a resolution of 738 × 1365, (A, B, C, D, E) of the corresponding area. That is, the screens A, B, C, D, and E displayed on the respective boards 10 are combined to form a full screen.

Here, the number and arrangement of the boards 10 can be variously adjusted according to the size of the lecture room, the structure of the lecture room, the size of the lecture room, and the attendance number.

In addition, each of the boards 10 may be arranged in various ways such as a horizontal direction and a vertical direction.

For example, as shown in FIG. 4, a plurality of boards 10 may be arranged side by side in a horizontal direction, that is, an x-axis direction, or a plurality of boards 10 may be arranged vertically Direction, that is, the y-axis direction, so that a large screen can be realized.

As described above, the present embodiment can arrange a plurality of boards 10 in parallel so as to be horizontally or longitudinally scanned, and at this time, the size of the entire screen can be arbitrarily extended by adjusting the number of boards 10 as necessary Various lecture environments suitable for lecture scale, lecture room structure, lecture room size, lecture attendance, etc. can be implemented.

FIG. 6 is a block diagram of the electronic pen of the electronic whiteboard according to an embodiment of the present invention. FIG. 7 is a diagram illustrating the coordinate information of the board and the board according to the touch of the electronic pen, It is a conceptual diagram.

The electronic pen 20 extracts the position information of the touch point from the optical signal emitted through the screen of the corresponding board 10 touched by touching any one of the plurality of boards 10, And also transmits the reception unit 30.

The electronic pen 20 includes a touch sensing unit 21, a light receiving unit 22, a signal processing unit 23, a transmitting unit 24, and a hotkey input unit 25, as shown in FIG.

The touch sensing unit 21 senses a touch with the board 10.

The touch sensing unit 21 may be of a pressure type that senses a physical pressure applied to the board 10 during a touch operation.

The light receiving unit 22 receives an optical signal emitted through the screen when a touch with the board 10 is detected by the touch sensing unit 21. [

For reference, in this specification, a touch refers not only to a single point of a single point, but also to a touch drag that continuously touches and a double touch that touches two consecutive touches.

The signal processing unit 23 extracts the position information of the touch point from the optical signal received by the light receiving unit 22, generates an execution command corresponding to the position of the touch point, and inputs the execution command to the transmission unit 24.

Here, the position information of the touch point includes the information of the board 10 specified on the corresponding board 10, which is touched among the plurality of boards 10, and the coordinate information of the touched point on the board 10. Here, unique board 10 information is set so that each board 10 can be distinguished from the other boards 10. Accordingly, the position information of the touch point allows the user to recognize the touched position of the touched board 10 and the touched position of the board 10.

Referring to FIG. 7, each board 10 may be a plasma display panel (PDP). The position information of the board 10 (A, (x, y)), (B, (x, y)), (C, (x, y) . Accordingly, the optical signal emitted through the light source for displaying the screen includes the position information of the touch point.

In addition, the execution command includes a touch method at the position of the touch point. Accordingly, it is possible to recognize which touch method has been performed at the corresponding position through the execution command, and the main processing unit 40, which will be described later, performs the operation according to the execution command.

The hotkey input unit 25 instructs the signal processing unit 23 to execute an execution command for executing a pen menu so as to display a menu window for setting the pen menu in a pen mode in which a marking image written through the electronic pen 20 is displayed on the screen Respectively.

Here, the pen menu includes types of pen, color and shape, and a user-friendly menu. Such a writing menu will be described later.

The marking image collectively refers to a line, a character, a figure or the like written on the screen through the electronic pen 20, and a menu window is provided to set the pen type of the marking image, the color and shape of the line, do.

When the hotkey input unit 25 is input, the signal processing unit 23 displays an execution command for displaying the menu window on the screen in the coordinates of the current electronic pen 20 or predetermined coordinates within the screen, The type of the electronic pen 20, the color and shape of the line, and the menu of the user's convenience.

The transmitting unit 24 transmits the execution command generated by the signal processing unit 23 to the receiving unit 30 using the 2.4 GHz frequency band in the short distance wireless communication method. In this case, the short-range wireless communication method may employ a Bluetooth method.

The receiving unit 30 receives an execution command input from the transmitting unit 24 of the electronic pen 20 and inputs the command to the main processing unit 40. [

8 is a block diagram of a main processing unit according to an embodiment of the present invention.

The main processing unit 40 includes a coordinate information extracting unit 41, a main control unit 42, an output interface unit 43 and an input unit 44 as shown in Fig.

The coordinate information extracting unit 41 receives the execution command from the receiving unit 30 and extracts the position information of the touch point on which the electronic pen 20 is touched in the execution command.

When the position information of the touch point extracted by the coordinate information extracting unit 41 is extracted, the main control unit 42 interprets and executes an execution command corresponding to the position of the touch point, and outputs the image signal as a digital or analog signal to an interface (43).

Here, the execution command includes all commands for operating the electronic whiteboard such as a command for executing and supporting the writing mode, the window mode, and the presentation mode, and a menu setting command for setting various menus.

The output interface unit 43 divides the video signal inputted from the main control unit 42 in correspondence to the number of the boards 10 and inputs them to the respective boards 10. The output interface unit 43 recognizes the currently connected board 10, divides the video signal corresponding to the number of the recognized boards 10, and inputs the divided video signal to each board 10. Therefore, each of the boards 10 outputs the video signal inputted thereto, so that a single screen can be realized as a whole.

9 is a block diagram of the board 10 according to an embodiment of the present invention.

A plurality of boards 10 are provided, and each board 10 includes a coordinate modulation unit 11 and an image output unit 12 as shown in FIG.

The coordinate modulator 11 modulates the coordinate information preset on the board 10 into a signal input to the light source of the board 10 so that the coordinate information of the board 10 can be ejected on the optical signal to the front of the screen, And inputs it to the video output unit 12.

The video output unit 12 processes the video signal received from the output interface unit 43 and outputs the video signal to the screen. In this case, the video output unit 12 couples the signal inputted from the coordinate modulating unit 11 to a signal applied to the light source provided on the board 10, and accordingly outputs the optical signal outputted from the light source of the board 10 The coordinate information of the corresponding board 10 is displayed.

10 is a flowchart illustrating an operation of the electronic whiteboard according to an embodiment of the present invention.

The operation of the electronic whiteboard according to an embodiment of the present invention is as follows.

First, each board 10 emits light by putting its own coordinate information on a video signal input to a light source (S210), thereby displaying a screen, thereby implementing one screen.

At this time, when the user touches one of the plurality of boards 10, the electronic pen 20 receives the optical signal emitted from the corresponding touch point (S220), extracts the position information of the touch point (S230) And generates an execution command according to the position information of the touch point.

The electronic pen 20 transmits the execution command to the receiving unit 30, and the receiving unit 30 inputs the execution command to the main processing unit 40. [

The main processing unit 40 extracts the position information of the touch point from the execution command inputted from the receiving unit 30 so that the coordinate information of the touch point of the board 10 and the touch point of the board 10 Confirms an execution command according to the position of the corresponding touch point, and executes an execution command (S240).

Thereafter, the main processing unit 40 divides the video signal according to the execution instruction of the execution instruction into each of the boards 10 according to the number of the boards 10, and each board 10 inputs the video signals from the main processing unit 40 (S250). Accordingly, a screen displayed through each board 10 is arranged in a side-by-side manner so as to be in a face-to-face manner, thereby realizing a single screen as a whole.

In this case, each board 10 modulates the coordinate information of the board 10, mixes it with a signal input to the light source, and then applies the modulated signal to the light source to emit light through the light source, The position information of the board 10 is included.

Accordingly, when the electronic pen 20 is touched with any one of the plurality of boards 10, the position information of the touch point can be recognized.

Hereinafter, various examples of using an electronic board such as a pen mode, a window mode, and a presentation mode using the electronic whiteboard according to an embodiment of the present invention will be described in detail with reference to FIG. 11 to FIG.

FIG. 11 is a flowchart illustrating a process of performing a writing mode, a window mode, and a presentation mode using a copyboard according to an embodiment of the present invention.

The writing mode, the window mode, and the presentation mode according to the embodiment of the present invention are various operating modes performed when lecture or presentation is performed using an actual electronic whiteboard, The operation of the electronic pen 20, the receiving unit 30, the main processing unit 40, and the plurality of boards 10 is performed. Therefore, the writing mode, the window mode, and the presentation mode are performed by the operation of the electronic pen 20, the receiving unit 30, the main processing unit 40, and the plurality of boards 10 as shown in FIGS. 1 to 10 .

First, the main processing unit 40 executes a program for operating the copyboard (S110).

When the board 10 setting menu execution command for executing the setting menu of the board 10 is input through the electronic pen 20 to set the number and arrangement type of the board 10, (10) The setting menu is displayed on the board 10. At this time, the main processing unit 40 inputs the setting command of the board 10, which determines the number and the arrangement type of the board 10 through the electronic pen 20 (S120) (Step S130).

The main processing unit 40 may be configured to select any one or more of a writing mode, a window mode, and a presentation mode in accordance with an execution command input via the electronic pen 20, when the boardable board 10 among the plurality of boards 10 is set (S140 to S170).

Here, the writing mode is an operation mode for displaying a marking image touched through the electronic pen 20 on the screen, and the window mode is an operation mode for performing a general operation function of the personal computer such as executing a content library. Is an operation mode that supports a presentation by displaying text, an image, a figure, and the like continuously.

The writing mode, the window mode, and the presentation mode are not limited to being performed independently. If necessary, the writing mode, the window mode, and the presentation mode can be switched from the writing mode to the writing mode or the presentation mode And can be switched to the writing mode or the window mode even in the presentation mode.

For example, when the icon for executing the content library is touched in the pen mode, the main control unit 42 executes the corresponding content. In addition, when characters or symbols are to be input during the Internet search, an icon for performing the writing mode is touched to be written. In addition, when the icon for presentation is touched, the presentation is performed. In this process, letters, figures and the like can be written, or an icon for searching the Internet can be touched to perform the internet search.

Accordingly, the user can invoke various documents, files, and the like, run the document viewer regardless of the operation mode, and can use various functions such as Internet search, writing, and lecture contents storage.

In particular, the writing mode displays a marking image touched through the electronic pen 20 on the screen, which will be described in detail with reference to FIG.

FIG. 12 illustrates an example of a process for performing a writing mode according to an embodiment of the present invention. FIG. 13 illustrates another example of a process for performing a writing mode according to an embodiment of the present invention. And FIG. 14 is a diagram showing a list of a pen menu according to an embodiment of the present invention.

Referring to FIG. 12, the main processing unit 40 captures a screen displayed through the current board 10 (S320), and generates a captured image when the pen mode is selected (S310).

When generating the captured image, the main processing unit 40 confirms whether the pen menu is set through the input of the hot key input unit 25 (S330). If the pen menu is not set, the main processing unit 40 maintains the currently set pen menu (S340).

On the other hand, when setting the pen menu, at least one of the pen type of the marked image, the shape of the line, the color, and the user's convenience menu is reset according to the user's selection (S350).

Here, the pen menu is set by setting the pen type of the marking image printed through the electronic pen 20, the shape of the line, the color, and the user's convenience menu. As shown in FIG. 14, Convenience menu is distinguished.

The pen type is a menu for setting the marking image to show the effect when it is described as a general pen, a brush pen, a highlight pen, or the like.

Marking The shape and color of the image are menus that set the thickness and type of the line and the color of the line.

The user-friendly menu is a menu that allows the user to easily operate functions frequently used by the user, such as undo, eraser, pen optimization, and document retrieval.

Such a pen menu may be set to two or more of the pen type, line color, and user convenience menu.

As described above, after the pen menu is set, the coordinate information of the board 10 and the board 10 is extracted from the execution command inputted from the electronic pen 20 (S360) An image is displayed (S370).

On the other hand, as shown in FIG. 12, in addition to capturing a screen, a separate blackboard image may be generated and written on the blackboard image.

That is, as shown in FIG. 13, the main processing unit 40 generates a blackboard image (S325) when the pen mode is selected (S310).

When the blackboard image is generated, the main processing unit 40 confirms whether the pen menu is set (S330). If not, the main processing unit 40 maintains the currently set pen menu (S340).

On the other hand, when setting the pen menu, the main processing unit 40 resets at least one of the pen type of the marked image, the shape of the line, the color, and the user's convenience menu according to the user's selection (S350).

The main processing unit 40 extracts the coordinate information of the board 10 and the board 10 from the execution command input from the electronic pen 20 after setting the pen menu, The marking image is displayed on the blackboard image (S375).

Here, when the blackboard image is generated, the main processing unit 40 can improve the visibility by displaying the marked image in a color having a complementary color relation with the color of the blackboard image.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. . Accordingly, the true scope of the present invention should be determined by the following claims.

10: board 11: coordinate modulation section
12: video output unit 20: electronic pen
21: touch sensing unit 22: light receiving unit
23: Signal processing unit 24:
25: Hotkey input unit 30:
40: main processing section 41: coordinate information extracting section
42: main control unit 43: output interface unit
44:

Claims (12)

A board having a plurality of optical signals and outputting position information to optical signals emitted through the screen;
An electronic pen for generating and transmitting an execution command according to position information of the touch point when the touch point is touched with any one of the boards;
A receiving unit for receiving the execution command from the electronic pen; And
And a main processing unit for receiving and processing the execution command from the receiving unit to divide and display the entire screen through each of the boards,
The electronic pen may include a touch sensing unit for sensing a touch with the board; A light receiving unit receiving the optical signal when a touch with the board is sensed by the touch sensing unit; A signal processing unit for extracting the position information of the touch point from the optical signal and generating the execution command using the position information of the touch point; And a transmitter for transmitting the execution command generated by the signal processor to the receiver,
Wherein the board includes a coordinate modulator for modulating the position information of the board into a signal input to the light source of the board so that position information of the board can be emitted to the front of the screen through an optical signal; And an image output unit for mixing the position information of the board modulated by the coordinate modulating unit with a signal input to the light source and outputting the optical signal as an optical signal and outputting the processing result received from the main processing unit to the screen. Electronic blackboard. The electronic whiteboard according to claim 1, wherein the position information of the touch point includes board information assigned to each board and coordinate information of the board. 2. The apparatus of claim 1, wherein the main processing unit
A coordinate information extracting unit that receives the execution command from the receiving unit and extracts the position information of the touch point from the execution command;
A main controller for analyzing the execution command according to the touch point extracted by the coordinate information extraction unit and executing the execution command; And
And an output interface unit for dividing a screen generated as a result of execution of the execution command of the main control unit so as to correspond to the number of the boards, and transmitting the divided screens to each of the boards. 4. The apparatus of claim 3, wherein the main control unit
A window mode for performing a window function, and a presentation mode for performing a presentation function, in accordance with the execution command. Electronic board. 5. The apparatus of claim 4, wherein the main control unit
And to switch between the writing mode, the window mode, and the presentation mode. 5. The apparatus of claim 4, wherein the main control unit
Capturing a screen displayed through the board in the writing mode, and displaying a marking image corresponding to a touch trace of the electronic pen on the captured image. 7. The apparatus of claim 6, wherein the main control unit
Further comprising setting, in the writing mode, a pen type, a line type and color of the marking image, and a menu of a user's convenience in accordance with the execution command. 7. The apparatus of claim 6, wherein the main control unit
Wherein the blackboard image of the single color is displayed on a screen displayed through the board in the writing mode, and the marking image is displayed on the blackboard image so as to correspond to the touch trajectory of the electronic pen. The apparatus of claim 8, wherein the main control unit
And displays the color of the marking image so as to be in a complementary color relationship with the color of the blackboard image. delete The electronic whiteboard according to claim 1, wherein the electronic pen further comprises a hot key input unit for setting a pen menu of the pen displayed through the board. delete

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