KR20010067801A - A lecture system using for An electronic copy board - Google Patents

Abstract

PURPOSE: The system for the lecture using the electronic white board is provided to offer a user the simplicity of the use and installation on the system movement by transferring contents between of the white board and of the computer in wireless, and to progress more effective and smooth lecture and conference. CONSTITUTION: The system comprises a white board(301), a computer(310), and a wireless transceiver(320,330). The electronic white board composes of a white board, a reader, a converter, and a transmitter. The reader reads the contents written on the white board in the optical signal. The converter converts the optical signal into the electronic data and outputs. The transmitter sends the converted data. The computer receives the contents written on the electronic white board and displays the contents, or sends the contents displayed on the screen to the electronic white board. The wireless transceiver sends/receives the contents between of the electronic white board and of the computer by the wireless data signal.

Description

A lecture system using for an electronic copy board}

The present invention relates to a lecture system using an electronic blackboard, and more particularly, to electronically transmit and receive contents of a writing on an electronic blackboard to a plurality of computers or specific computers during a lecture using the electronic blackboard. It is about lecture system using blackboard.

In general, a copyboard is a kind of presentation equipment that allows a computer to freely transmit and edit the contents written on a whiteboard during a meeting or lecture through a printing and transmitting unit on its own printer.

And the electronic board is a white board for writing letters, symbols or pictures by the user; A lead unit for reading the content written on the white board as an optical signal; A converting unit converting the optical signal read from the reading unit into electrical data and outputting the electrical data; Comprising a transmission unit for transmitting the data converted by the conversion unit, the contents written on the copyboard can be copied and printed using a printer, or stored in a separate storage medium can be sent and printed when necessary have.

As such, the electronic blackboard which can print and view lectures and meeting matters during lectures or meetings, and can be stored and printed when needed is shown in FIG. 1, the electronic blackboard 100 which is written with a pen, and Wired to the computer 110 displaying the contents written on the copyboard 100 by wire and transmits the contents written on the copyboard 100 to the computer 110 through a wired (RS-232), The contents of the computer 110 are transmitted to the electronic blackboard 100, and the written contents stored in the electronic blackboard 100 and the written contents stored in the computer 110 can be printed at any time.

In addition, as shown in FIG. 2, a wired connection with a server 200 storing contents written on the electronic blackboard 100 is performed, and a plurality of computers 210 are remotely connected through the server 200 and the Internet. Then, the writing contents of the copyboard 100 are displayed on a plurality of computers 210 remotely located through the Internet, and the writing contents on the copyboard 100 are stored in the server 200 and then over the Internet. There is one that allows you to download the saved content so that you can view the content again.

However, in the above case, the electronic blackboard 100 is all connected to the computer and the server by wire, so that it is fixed together in one place during installation.

Therefore, if you want to move the installation place, not only restricted by the installation and location by the wire, but also has a cumbersome problems caused by the installation.

In addition, the content written on the electronic blackboard 100 is to be transmitted to the computer to display one-to-one, for example, can not be transmitted to a large number of contents written on the electronic blackboard 100 during lectures and meetings effective lectures and smooth The meeting was somewhat uncomfortable.

Accordingly, an object of the present invention is to wirelessly transmit the contents written on the electronic blackboard to a computer, and to transmit the contents of the computer wirelessly to the electronic blackboard again, thereby providing simplicity in installation and use when moving the system.

Another object of the present invention is to enable a more efficient smooth lectures and meetings by allowing the electronic board and a plurality of computers to exchange data wirelessly with a particular computer during lectures and meetings.

The present invention for realizing the above object and the blackboard is written with a pen; In the lecture system using the electronic blackboard to exchange the written content between the computer displayed on the copyboard, the wireless transceiver for transmitting and receiving the content written on the copyboard and the computer as a wireless data signal, respectively It is characterized by the configuration.

Another embodiment for realizing the above object is characterized in that it consists of a channel selection unit that can selectively send and receive contents written on the electronic blackboard all or a plurality of computers.

1 is a block diagram of a lecture system using a conventional copyboard.

2 is a block diagram of a lecture system using a conventional copyboard.

3 is a block diagram of a lecture system using the present invention blackboard.

4 is a detailed block diagram of the wireless transceiver of the present invention blackboard.

5 is transmitter output data of the lecture system using the present invention blackboard.

* Explanation of symbols for the main parts of the drawings *

300; Copyboard 301; Whiteboard

302; Lead portion 303; Converter

304; Transmitter 310; computer

320,330; Radio transceiver 321; interface

323; Radio frequency module 324; Channel selector

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

3 is a block diagram of a lecture system using the present invention blackboard, FIG. 4 is a detailed block diagram of a wireless transceiver of the present invention blackboard, and FIG. 5 is transmitter output data of a lecture system using the present invention blackboard. A white board 301 which writes letters, symbols or pictures; A lead unit 302 for reading the content written on the white board as an optical signal; A conversion unit 303 for converting the optical signal read from the lead unit 302 into electrical data and outputting the converted electrical data; An electronic blackboard 300 composed of a transmission unit 304 for transmitting the data converted by the conversion unit 303; In the lecture system using the electronic blackboard consisting of a computer 310 for receiving the content written on the copyboard 300 and displaying the displayed content and transmitting the displayed content, the signal of the copyboard 300 and the computer 310 It configures the wireless transceiver 320, 330 that can transmit and receive the contents written to each of the input and output terminals as a wireless data signal.

The wireless transceiver (320) (330) has an interface (321) for connecting a signal transmitted to each of the signal input and output terminals of the copyboard 300 and the computer 310; A microcomputer 322 for controlling the signal input from the interface 321 to a predetermined data signal; It consists of a radio frequency module 323 for transmitting and receiving a signal controlled by the microcomputer 322 as a radio frequency signal.

The electronic blackboard 300 may be configured by adopting a PDP monitor or tablet, and the wireless transceivers 320 and 330 may be configured by adopting Bluetooth.

The microcomputer 322 constitutes a channel selector 324 composed of a plurality of switches capable of selectively exchanging all or a plurality of computers 350 written in the electronic blackboard 300.

The present invention configured as described above is a wireless transceiver (320) 330 to each of the input and output terminals of the computer blackboard 300 to be written with a pen, the computer 310 to receive and display the contents written in the electronic blackboard (300). ) Is mounted, the driving power is applied to operate the copyboard 300 and the computer 310.

Subsequently, when the contents to be lectured and conferred are written on the white board 301 of the copyboard 300, the written contents are read as an optical signal through the lead unit 302, and the read optical signals are converted into a conversion unit ( The data is converted into electrical data through the 303 and received by the wireless transmitter 330 of the computer 310 through the wireless transmitter 320 through the transmitter 304.

At this time, the signal transmitted from the radio transceiver 320 is input to the microcomputer 322 through the interface 321, the microcomputer 322 by controlling the input signal to a predetermined data signal radio frequency module 323 ) Is transmitted to the radio transceiver 330 of the computer 310 as a radio frequency signal.

Meanwhile, the radio frequency signal received by the radio transmitter 330 of the computer 310 is converted into predetermined data through the radio frequency module 323 and controlled by the microcomputer 322, and the controlled data is interfaced. 321 is displayed on the computer 310 inputted to the computer 310 to display the contents of the lecture or meeting.

On the contrary, the content displayed through the computer 310 transmits the display contents of the computer 310 to the electronic blackboard 300 in the reverse order of transmitting the content written by the electronic blackboard 300 to the computer 310. There is a two-way transfer that can be written.

In addition, when a plurality of computers 350 equipped with the wireless transmitter 330 are connected to the electronic blackboard 300 and the contents written on the electronic blackboard 300 are to be transmitted to the plurality of computers 350, the electronic The channel selector 324 of the wireless transceiver 320 mounted on the blackboard 300 is manipulated.

For example, when the second switch of the plurality of switches (5) of the channel selector 324 is operated as "00010" to be connected to the second computer 350 of the plurality of computers (350) In this case, when all of the plurality of switches are operated, it means to operate as “11111” to connect with the 32nd computer 350.

Therefore, when the switch is selected as "00001" "11111" in the channel selector 324 of the wireless transceiver 320 connected to the copyboard 300 and the plurality of computers 350, the selected switch signal "00010" " 11111 " is input to the microcomputer 322, and in the microcomputer 322, the selected switch signal " 00010 " " 11111 " Fill in the selection ID field of the frame and transmit the actual valid data corresponding to the contents written on the copyboard 300 together with the start code to the plurality of computers 350 via radio transceiver 320 as radio frequency signals. do.

Therefore, the plurality of computers 350 receive radio frequency signals transmitted from the wireless transceiver 330 of the electronic blackboard 300. In this case, in the wireless transceiver 330 mounted on the plurality of computers 350, Only the second and thirty-second computer 350 corresponding to the selection ID "00010" "11111" can be received with respect to the received radio frequency.

Therefore, the content written in the copyboard 300 is displayed only the computer 350 corresponding to the selection ID, and the writing content is not transmitted to the remaining computer 350, so as to one copyboard 300 Only certain computers can be selected to transfer written content.

As described above, the present invention is to be transmitted to the radio frequency using a wireless transceiver with an electronic blackboard and a computer displaying the contents written in the electronic board, the cumbersome to install according to the movement of the system And not only can solve the inconvenience in use, but also by connecting a plurality of computers to the one copyboard to transmit the writing contents of the copyboard to a plurality or a specific computer, more effective lectures and meetings during lectures and meetings It will provide the effect to proceed.

Claims (3)

An electronic blackboard written in pen; In the lecture system using the electronic blackboard to exchange the written content between the computer displayed on the copyboard, the wireless transceiver for transmitting and receiving the content written on the copyboard and the computer as a wireless data signal, respectively Lecture system using the copyboard, characterized in that the configuration. The wireless transceiver of claim 1, further comprising: an interface for connecting a signal transmitted to each of the electronic board and the signal input / output terminal of the computer; A microcomputer for controlling the signal input from the interface to a predetermined data signal; Lecture system using an electronic blackboard, characterized in that consisting of a radio frequency module for transmitting and receiving a signal controlled by the microcomputer as a radio frequency signal. The lecture system using the copyboard of claim 1, wherein the wireless transceiver comprises a channel selector configured to selectively send or receive contents written on the copyboard to all or a plurality of computers.