KR100693343B1 - A cyber eletronic-board - Google Patents

A cyber eletronic-board Download PDF

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Publication number
KR100693343B1
KR100693343B1 KR1020050133337A KR20050133337A KR100693343B1 KR 100693343 B1 KR100693343 B1 KR 100693343B1 KR 1020050133337 A KR1020050133337 A KR 1020050133337A KR 20050133337 A KR20050133337 A KR 20050133337A KR 100693343 B1 KR100693343 B1 KR 100693343B1
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KR
South Korea
Prior art keywords
optical
projector
terminal
writing
image
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KR1020050133337A
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Korean (ko)
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김경진
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이코리아시스템 (주)
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

A cyber electronic board is provided to exactly detect a track of a writing instrument by using an optical photographing camera and to prevent the shape deformation of a television by preventing a detecting tool from being exposed to the outside. The cyber electronic board is composed of a projector(210) projecting an image on an inner lower part of a square box-shaped board body(201); a reflecting mirror(220) installed at the upper back side of the board body to irradiate the image projected from the projector to the front side by refracting the image; a screen(230) disposed on the front side of the board body to form the image irradiated from the projector; a terminal(240) installed in the board body to transmit the image to the projector and transmit and receive data to/from the outside; an optical writing instrument(110) emitting an optical signal by touching, on the front side of the screen; an optical receiving element(120) positioned at one side adjacent to a lens unit(211) of the projector to receive an optical signal emitted from the optical writing instrument; and an optical photographing camera(130) installed on the other side adjacent to the lens unit to photograph an optical point formed by the light emitted from the optical writing instrument and input the optical point to the terminal to make the track of the optical writing instrument into data in the terminal.

Description

사이버 전자칠판{A CYBER ELETRONIC-BOARD}Cyber electronic blackboard {A CYBER ELETRONIC-BOARD}

도 1 은 본 발명에 따른 일 실시 예를 보인 예시 사시도.1 is a perspective view showing an embodiment according to the present invention.

도 2 는 본 발명에 따른 일 실시 예를 보인 예시 측 단면도.Figure 2 is an exemplary side cross-sectional view showing an embodiment according to the present invention.

도 3 은 본 발명에 따른 일 실시 예로 광필기구의 예시 사시도.Figure 3 is an exemplary perspective view of an optical writing instrument according to one embodiment according to the present invention.

도 4 는 본 발명에 따른 일 실시 예로 광필기구의 예시 단면도.4 is an exemplary cross-sectional view of an optical writing instrument according to one embodiment according to the present invention;

도 5 는 본 발명에 따른 일 실시 예로 광필기구와 필기꽂이부의 예시도.Figure 5 is an exemplary view according to the present invention an optical pen and writing instrument.

도 6 은 본 발명에 따른 일 실시 예로 광촬영카메라의 예시 단면도.6 is an exemplary cross-sectional view of an optical photographing camera according to one embodiment according to the present invention;

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

110 : 광필기구110: optical pen

111 : 광발신기 112 : 필기캡111: optical transmitter 112: writing cap

113 : 감압스위치 114 : 필기몸체113: decompression switch 114: writing body

115 : 조작버튼 116 : 배터리115: operation button 116: battery

117 : 충전 입력단자117: charging input terminal

120 : 수신소자120: receiving element

130 : 광촬영카메라 131 : 가시영상차단필터130: optical imaging camera 131: visible image blocking filter

141 : 조작스위치 142 : 거치대141: operation switch 142: holder

150 : 필기구꽂이부 151 : 충전 전원단150: writing instrument holder 151: charging power end

201 : 칠판몸체201: blackboard body

210 : 프로젝터 211 : 렌즈부210: projector 211: lens unit

220 : 반사거울 230 : 스크린220: reflection mirror 230: screen

240 : 단말기240: terminal

본 발명은 사이버 전자칠판에 관한 것으로, 더욱 상세하게는 전자칠판을 구성함에 있어서, 프로젝터의 일측에는 광수신소자를 구비하고, 다른 일측에는 광촬영카메라를 구비하며, 스크린의 전면에서 터치 발광에 의하여 광신호를 발산하는 광필기구를 구비하여서, 전자칠판의 전면 스크린에 광필기구로 필기시 광촬영카메라를 통한 필기궤적의 촬영을 통하여 필기자의 필기를 데이터화하여 디스플레이할 수 있도록 함을 목적으로 한 것이다.The present invention relates to a cyber copyboard, and more particularly, to constructing an electronic copyboard, one side of the projector is provided with a light receiving element, and the other side is provided with an optical photographing camera, and the touch light is emitted from the front of the screen. It is provided with an optical writing mechanism for emitting an optical signal, so that the writing of the writer can be converted into data by displaying the writing trace through the optical photographing camera when writing with the optical writing instrument on the front screen of the copyboard.

일반적으로, 전자칠판은 사각 함체로 이루어진 칠판몸체의 내측 하부에 영상을 조사하는 프로젝터가 구비되고, 상기 칠판몸체의 상부 배면에는 상기 프로젝터에서 조사된 영상을 굴절시켜 전면 조사하는 반사거울이 구비되며, 칠판몸체의 전면에는 프로젝터에서 조사된 영상의 상이 맺히게 하는 스크린이 구비되고, 칠판몸체의 내부에는 상기 프로젝터로 영상을 전송하고 외부와의 데이터 송수신을 위한 단말기가 구비되며, 상기 칠판몸체의 외부 일측에 수신장치를 구비하여 구성한 것으로서, 스크린을 따라 필기되는 필기구의 위치를 감지하여서 필기자의 필기궤적을 데이터화 함과 더불어 이를 디스플레이할 수 있도록 하는 것이다.In general, the electronic blackboard is provided with a projector for irradiating the image on the inner lower portion of the blackboard body made of a rectangular box, the upper back of the blackboard body is provided with a reflective mirror for refracting the image irradiated from the projector in front, The front of the blackboard body is provided with a screen for condensing the image of the image irradiated from the projector, the inside of the blackboard body is provided with a terminal for transmitting an image to the projector and transmitting and receiving data with the outside, the outer side of the blackboard body It is configured to include a receiving device, by detecting the position of the writing instruments to be written along the screen to enable the display of the writing traces of the writing person.

한편, 상기한 바와 같은 수신장치는 RF방식 또는 초음파 또는 광신호를 송수신하는 방식으로 구성되는 것이다.On the other hand, the receiver as described above is configured in a manner of transmitting and receiving RF or ultrasonic or optical signals.

그러나, 상기한 바와 같이 필기구의 위치를 감지하는 RF방식이나 초음파 또는 광신호를 수신하는 방식은 그 감지가 명확하게 이루어지지 않고 감지기가 외부로 노출되어 미관성을 저하시키는 문제점이 있었다.However, as described above, the RF method for detecting the position of the writing instrument or the method for receiving an ultrasonic wave or an optical signal has a problem in that the detection is not made clearly and the detector is exposed to the outside, thereby degrading aesthetics.

이에, 본 발명은 상술한 바와 같이 전자칠판을 구성함에 칠판몸체의 외측에 감지기가 설치됨으로 인한 외관의 변형 및 저하와, 필기구의 궤적감지가 원활하지 않은 문제점을 해결할 수 있도록 한 것이다.Thus, the present invention is to solve the problem of the deformation and deterioration of the appearance and the trajectory detection of the writing instrument is not smooth due to the installation of the detector on the outside of the body of the blackboard as described above.

즉, 본 발명은 전자칠판을 구성함에 있어서, 프로젝터의 일측에는 광수신소자를 구비하고, 다른 일측에는 광촬영카메라를 구비하며, 스크린의 전면에서 터치 발광에 의하여 광신호를 발산하는 광필기구를 구비한 것이다.That is, in the present invention, the electronic blackboard includes a light receiving element on one side of the projector, an optical photographing camera on the other side of the projector, and an optical writing mechanism for emitting an optical signal by touch light emission from the front of the screen. It is.

따라서, 본 발명은 전자칠판을 구성함에 있어서 필기구의 궤적 감지를 광촬영카메라를 이용한 촬영을 통하여 감지할 수 있게 구성함으로써 필기구의 궤적감지 가 명확하게 이루어지고 감지구가 외부로 노출되지 않아 전자칠판 외관이 변형되지 않아 미관성도 저하되지 않은 것이다.Therefore, the present invention is configured to detect the trajectory of the writing instrument by photographing using an optical photographing camera in configuring the electronic blackboard, so that the trajectory of the writing instrument is clearly detected and the sensing sphere is not exposed to the outside. This does not deform so that aesthetics does not deteriorate.

이하, 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings as follows.

본 발명은 전자칠판을 구성함에 있어서 필기구에서 조사되는 광을 감지하여 필기구의 궤적을 용이하게 감지하여 데이터화 함과 더불어 디스플레이할 수 있도록 함과 더불어 칠판 몸체의 외관에 변형을 주지않도록 한 것으로, 사각 함체로 이루어진 칠판몸체(201)의 내측 하부에 영상을 조사하는 프로젝터(210)가 구비되고, 상기 칠판몸체(201)의 상부 배면에는 상기 프로젝터(210)에서 조사된 영상을 굴절시켜 전면 조사하는 반사거울(220)이 구비되며, 칠판몸체(201)의 전면에는 프로젝터(210)에서 조사된 영상의 상이 맺히게 하는 스크린(230)이 구비되고, 칠판몸체(201)의 내부에는 상기 프로젝터(210)로 영상을 전송하고 외부와의 데이터 송수신을 위한 단말기(240)가 구비된 전자칠판에 있어서, 상기 스크린(230)의 전면에서 터치 발광에 의하여 광신호를 발산하는 광필기구(110)를 구비하고, 프로젝터(210)의 렌즈부(211)에 근접한 일측에서 상기 광필기구(110)에서 발광된 광신호를 수신하여 단말기(240)로 입력하는 광수신소자(120)를 구비하며, 프로젝터의 렌즈부(211)에 근접한 다른 일측에서 상기 광필기구(110)에서 발산된 빛에 의하여 형성된 광점을 촬영하여서 단말기에서 광필기구(110)의 궤적을 데이터화 할 수 있게 단말기(240)로 입력하는 광촬영카메라(130)를 구비한 것이다.The present invention is to configure the copyboard to detect the light irradiated from the writing instrument to easily detect the trajectory of the writing instrument and to display the data as well as to modify the appearance of the body of the blackboard, the rectangular enclosure Projector 210 for irradiating the image is provided on the inner lower portion of the blackboard body 201 made of a, the upper surface of the blackboard body 201 is a reflective mirror for refracting the image irradiated from the projector 210 to the front 220 is provided, the front surface of the blackboard body 201 is provided with a screen 230 for forming an image of the image irradiated from the projector 210, the interior of the blackboard body 201 is an image by the projector 210 In the electronic blackboard provided with a terminal 240 for transmitting and receiving data to and from the outside, to emit an optical signal by the light emission from the front of the screen 230 An optical receiving device 120 having an optical writing device 110 and receiving an optical signal emitted from the optical writing device 110 on one side of the projector 210 that is close to the lens unit 211. And a light spot formed by the light emitted from the optical writing instrument 110 on the other side of the projector close to the lens 211 of the projector, so that the terminal data 240 can be traced by the terminal. It is provided with an optical photographing camera 130 to input.

여기서, 상기 광촬영카메라(130)는 전면에 광필기구(110)에서 발산되는 특정 광신호만을 수신하여 수신감도를 극대화할 수 있게 가시영상을 차단하는 가시영상차단필터(131)를 구비하여 실시함이 바람직한 것이다.Here, the optical photographing camera 130 is provided with a visible image blocking filter 131 that blocks only the visible image so as to receive only a specific optical signal emitted from the optical pen mechanism 110 and maximize reception sensitivity. This is desirable.

그리고, 상기 광필기구(110)는 전면에 광발신기(111)를 구비하고, 상기 광발신기(111)의 전면에 투광체로 이루어진 필기캡(112)을 구비하며 상기 필기캡(112)의 후단에는 광발신기(111)의 발광이 터치압에 의하여 이루어질 수 있게 감압스위치(113)를 구비하고, 필기몸체(114)에는 단말기(240)로 화면 전환 등과 같은 조작신호를 입력할 수 있게 한 조작버튼(115)를 구비하며, 필기몸체(114)의 내부에는 배터리(116)를 구비한 것이다.The optical pen 110 includes an optical transmitter 111 on the front surface, a writing cap 112 formed of a light-transmitter on the front surface of the optical transmitter 111, and a light at the rear end of the writing cap 112. It is provided with a decompression switch 113 so that the light emission of the transmitter 111 can be made by the touch pressure, the operation button 115 for inputting an operation signal such as screen switching to the terminal 240 to the writing body 114 ) And a battery 116 is provided inside the writing body 114.

또한, 본 발명의 실시에 있어서 칠판몸체(201)의 양측에는 전자칠판을 사용함에 있어서 화면의 전환과 같은 조작을 할 수 있게 조작스위치(141)를 양측에 구비하고, 칠판몸체(201) 전면의 스크린 하부 측에는 돌출되어서 광필기구(110) 등을 거치할 수 있게 한 거치대(142)를 구비한 것이다.In addition, in the practice of the present invention, both sides of the blackboard body 201 are provided with operation switches 141 on both sides so that operations such as switching of screens can be performed in using the electronic blackboard. It is provided with a cradle 142 protruding from the lower side of the screen to mount the optical pen 110 and the like.

또한, 본 발명의 실시에 있어서, 상기 거치대(142)의 일측에 광필기구(110)를 꽂아 비치할 수 있게 한 필기구꽂이부(150)를 형성하고, 상기 필기구꽂이부(150)에 충전 전원단(151)을 형성하며, 상기 충전 전원단(151)과 대응되는 상기 광 필기구(110)의 필기캡(112) 측에 충전 입력단자(117)를 형성하고, 배터리(116)를 2차 전지로 실시함으로써 광필기구(110)가 항상 충전상태를 유지하게 되는 것이다. In addition, in the practice of the present invention, the writing instrument holder 150 is formed on one side of the cradle 142 to allow the optical pen 110 to be inserted, and the charging power supply end 150 in the writing instrument holder 150 And a charging input terminal 117 on the writing cap 112 side of the optical writing instrument 110 corresponding to the charging power terminal 151, and the battery 116 as a secondary battery. By doing so, the optical pen 110 will always maintain the state of charge.

상기한 바와 같이 사각 함체로 이루어진 칠판몸체(201)의 내측 하부에 영상을 조사하는 프로젝터(210)가 구비되고, 상기 칠판몸체(201)의 상부 배면에는 상기 프로젝터(210)에서 조사된 영상을 굴절시켜 전면 조사하는 반사거울(220)이 구비되며, 칠판몸체(201)의 전면에는 프로젝터(210)에서 조사된 영상의 상이 맺히게 하는 스크린(230)이 구비되고, 칠판몸체(201)의 내부에는 상기 프로젝터(210)로 영상을 전송하고 외부와의 데이터 송수신을 위한 단말기(240)가 구비된 전자칠판에 있어서, 상기 스크린(230)의 전면에서 터치 발광에 의하여 광신호를 발산하는 광필기구(110)를 구비하고, 프로젝터(210)의 렌즈부(211)에 근접한 일측에서 상기 광필기구(110)에서 발광된 광신호를 수신하여 단말기(240)로 입력하는 광수신소자(120)를 구비하며, 프로젝터의 렌즈부(211)에 근접한 다른 일측에서 상기 광필기구(110)에서 발산된 빛에 의하여 형성된 광점을 촬영하여서 단말기에서 광필기구(110)의 궤적을 데이터화 할 수 있게 단말기(240)로 입력하는 광촬영카메라(130)를 구비한 본 발명을 적용하여 실시하게 되면, 상기 전자칠판의 내부에 구비된 프로젝터(210)에서 영상이 조사되게 되면 칠판몸체(201)의 후면에 구비된 반사거울(220)을 통하여 전면으로 굴절되어서 전면의 스크린(230)에 조사되어 상이 맺혀 영상이 디스플레이되게 되는 것이다.As described above, a projector 210 for irradiating an image is provided on an inner lower portion of the blackboard body 201 formed of a quadrangular enclosure, and an upper surface of the blackboard body 201 is refracted by the projector 210. Reflecting mirror 220 is provided to the front irradiation, the front surface of the blackboard body 201 is provided with a screen 230 for forming an image of the image irradiated from the projector 210, the inside of the blackboard body 201 In the electronic blackboard equipped with a terminal 240 for transmitting an image to the projector 210 and transmitting and receiving data with the outside, the optical writing mechanism 110 for emitting an optical signal by light emission from the front of the screen 230 And a light receiving element 120 that receives an optical signal emitted from the optical writing instrument 110 and inputs it to the terminal 240 at one side close to the lens unit 211 of the projector 210. To the lens portion 211 of the On the other side is provided with an optical imaging camera 130 for inputting the light point formed by the light emitted from the optical writing device 110 to the terminal 240 so that the trace of the optical writing device 110 can be converted into data from the terminal. When applied to the present invention, when the image is irradiated from the projector 210 provided in the interior of the electronic blackboard is refracted to the front through the reflection mirror 220 provided on the back of the blackboard body 201 of the front The image is displayed on the screen 230 to form an image.

이상과 같은 상태에서 광필기구(110)를 스크린(230)의 필기면에 가압 접촉시 키게 되면 상기 광필기구(110)에 구비된 감압스위치(113)에 의하여 광필기구(110)의 선단에 구비된 광발신기(111)에서 광이 조사되게 된다.When the optical writing instrument 110 is pressed in contact with the writing surface of the screen 230 in the above state, the pressure reducing switch 113 provided in the optical writing instrument 110 is provided at the tip of the optical writing instrument 110. Light is irradiated from the light transmitter 111.

이때, 프로젝터(210)의 일측에 구비된 광촬영카메라(130)가 이를 촬영하여 광필기구의 궤적을 데이터화 하고 디스플레이될 수 있게 하는 것이다.In this case, the optical photographing camera 130 provided at one side of the projector 210 photographs the data so that the trajectory of the optical pen can be displayed and displayed.

한편, 본 발명을 사용함에 있어서 스크린(230)에 디스플레이되는 화면을 조작하고하여 광필기구(110)에 구비된 조작버튼(115)을 조작하게 되면 상기 광필기구(110)의 광발신기에서 조작신호가 송출되게 되고 이를 프로젝터(210)의 일 측에 구비된 수신소자(120)가 수신하여서 내장된 단말기(240)로 전송함으로서 화면 전환 등의 조작이 이루어지게 되는 것이다.On the other hand, when using the present invention to operate the screen displayed on the screen 230 to operate the operation button 115 provided in the optical writing instrument 110, the operation signal is received from the optical transmitter of the optical writing instrument 110 The reception device 120 provided at one side of the projector 210 receives the transmission, and transmits the received reception device 120 to the built-in terminal 240 to perform screen switching and the like.

한편, 본 발명의 다른 실시 예와 같이 칠판몸체(201)의 전면에 거치대(142)를 구비함으로써 광필기구(110)등의 비치가 용이하고, 상기 거치대(142)에 충전 전원단(151)을 구비한 필기구꽂이부(150)를 형성함으로써 광필기구(110)가 항상 충전상태가 유지되게 되는 것이다.On the other hand, by providing a cradle 142 on the front of the blackboard body 201 as in another embodiment of the present invention, it is easy to equip the optical pen 110, the charging power terminal 151 to the cradle 142 By forming the writing instrument holder 150 is provided with the optical pen 110 will always maintain the state of charge.

따라서, 본 발명은 전자칠판형 전자칠판을 구성함에 있어서 필기구의 궤적 감지를 광촬영카메라를 이용한 촬영을 통하여 감지할 수 있게 구성함으로써 필기구의 궤적감지가 명확하게 이루어지고 감지구가 외부로 노출되지 않아 티브이의 외관이 변형되지 않아 미관성도 저하되지 않은 것이다.Therefore, the present invention is configured to detect the trajectory of the writing instrument through the photographing using the optical imaging camera in the configuration of the electronic board-type electronic blackboard, the trajectory detection of the writing instrument is clearly made and the sensing sphere is not exposed to the outside. As the appearance of the TV is not deformed, the aesthetics are not deteriorated.

Claims (3)

사각 함체로 이루어진 칠판몸체(201)의 내측 하부에 영상을 조사하는 프로젝터(210)가 구비되고, 상기 칠판몸체(201)의 상부 배면에는 상기 프로젝터(210)에서 조사된 영상을 굴절시켜 전면 조사하는 반사거울(220)이 구비되며, 칠판몸체(201)의 전면에는 프로젝터(210)에서 조사된 영상의 상이 맺히게 하는 스크린(230)이 구비되고, 칠판몸체(201)의 내부에는 상기 프로젝터(210)로 영상을 전송하고 외부와의 데이터 송수신을 위한 단말기(240)가 구비된 전자칠판에 있어서, Projector 210 for irradiating the image is provided on the inner lower portion of the blackboard body 201 made of a rectangular box, the upper surface of the blackboard body 201 is refracted by the image irradiated from the projector 210 to irradiate the front The reflective mirror 220 is provided, the front surface of the blackboard body 201 is provided with a screen 230 for forming an image of the image irradiated from the projector 210, the inside of the blackboard body 201 the projector 210 In the electronic blackboard equipped with a terminal 240 for transmitting an image to and transmitting and receiving data with the outside, 상기 스크린(230)의 전면에서 터치 발광에 의하여 광신호를 발산하는 광필기구(110)를 구비하고, 프로젝터(210)의 렌즈부(211)에 근접한 일측에서 상기 광필기구(110)에서 발광된 광신호를 수신하여 단말기(240)로 입력하는 광수신소자(120)를 구비하며, 프로젝터의 렌즈부(211)에 근접한 다른 일측에서 상기 광필기구(110)에서 발산된 빛에 의하여 형성된 광점을 촬영하여서 단말기에서 광필기구(110)의 궤적을 데이터화 할 수 있게 단말기(240)로 입력하는 광촬영카메라(130)를 구비하고,An optical writing mechanism 110 for emitting an optical signal by touch light emission from the front surface of the screen 230, the light emitted from the optical writing mechanism 110 from one side close to the lens portion 211 of the projector 210 And a light receiving element 120 which receives a signal and inputs it to the terminal 240, and photographs a light spot formed by the light emitted from the optical writing instrument 110 on the other side close to the lens unit 211 of the projector. It is provided with an optical photographing camera 130 for inputting the terminal 240 to the terminal so that the trace of the optical writing mechanism 110 in the terminal, 상기 광촬영카메라(130)는 전면에 광필기구(110)에서 발산되는 특정 광신호만을 수신하여 수신감도를 극대화할 수 있게 가시영상을 차단하는 가시영상차단필터(131)를 구비하고, The optical photographing camera 130 is provided with a visible image blocking filter 131 that blocks only the visible image to maximize reception sensitivity by receiving only a specific optical signal emitted from the optical pen mechanism 110 on the front surface, 상기 광필기구(110)는 전면에 광발신기(111)를 구비하고, 상기 광발신기(111)의 전면에 투광체로 이루어진 필기캡(112)을 구비하며 상기 필기캡(112)의 후단에는 광발신기(111)의 발광이 터치압에 의하여 이루어질 수 있게 감압스위치(113)를 구비하고, 필기몸체(114)에는 단말기(240)로 화면 전환 등과 같은 조작신호를 입력할 수 있게 한 조작버튼(115)를 구비하며, 필기몸체(114)의 내부에는 배터리(116)를 구비하며,The optical writing instrument 110 is provided with a light transmitter 111 on the front, and has a writing cap 112 made of a light-transmitting body on the front of the optical transmitter 111, the rear end of the writing cap (112) And a pressure reducing switch 113 to allow light emission of the 111 to be made by touch pressure, and an operation button 115 for inputting an operation signal such as screen switching to the terminal 240 to the writing body 114. It is provided with a battery 116 inside the writing body 114, 상기 칠판몸체(201)의 양측에는 전자칠판을 사용함에 있어서 화면의 전환과 같은 조작을 할 수 있게 조작스위치(141)를 양측에 구비하고, 칠판몸체(201) 전면의 스크린 하부 측에는 돌출되어서 광필기구(110) 등을 거치할 수 있게 한 거치대(142)를 구비하고,Opposite sides of the blackboard body 201 are provided with operation switches 141 on both sides of the electronic blackboard to enable operation such as switching of screens, and protrude on the screen lower side of the front surface of the blackboard body 201 to provide optical writing instruments. It is provided with a cradle 142 that can be mounted such as (110), 상기 거치대(142)의 일측에 광필기구(110)를 꽂아 비치할 수 있게 한 필기구꽂이부(150)를 형성하고, 상기 필기구꽂이부(150)에 충전 전원단(151)을 형성하며, 상기 충전 전원단(151)과 대응되는 상기 광필기구(110)의 필기캡(112) 측에 충전 입력단자(117)를 형성하고, 배터리(116)를 2차 전지로 형성한 것을 특징으로 하는 사이버 전자칠판.On one side of the cradle 142 is formed a writing instrument holder 150 to enable the optical pen 110 to be inserted, the charging power supply unit 151 is formed on the writing instrument holder 150, the charging The electronic blackboard according to claim 1, wherein the charging input terminal 117 is formed on the writing cap 112 side of the optical pen 110 corresponding to the power supply terminal 151, and the battery 116 is formed as a secondary battery. . 삭제delete 삭제delete
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200471953Y1 (en) * 2012-08-01 2014-03-24 김성응 Apparatus for keeping frindle
CN104827806A (en) * 2015-04-17 2015-08-12 浙江海洋学院 Dust-free blackboard-writing system
CN107909022A (en) * 2017-11-10 2018-04-13 广州视睿电子科技有限公司 A kind of method for processing video frequency, device, terminal device and storage medium
KR102599667B1 (en) * 2023-05-17 2023-11-08 (주)씨브이티일렉트로닉스코리아 Stationary electronic blackboard system including electronic pen

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JP2003276399A (en) * 2002-03-25 2003-09-30 Matsushita Electric Ind Co Ltd Position detecting method and device and electronic blackboard device

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
JP2003276399A (en) * 2002-03-25 2003-09-30 Matsushita Electric Ind Co Ltd Position detecting method and device and electronic blackboard device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200471953Y1 (en) * 2012-08-01 2014-03-24 김성응 Apparatus for keeping frindle
CN104827806A (en) * 2015-04-17 2015-08-12 浙江海洋学院 Dust-free blackboard-writing system
CN107909022A (en) * 2017-11-10 2018-04-13 广州视睿电子科技有限公司 A kind of method for processing video frequency, device, terminal device and storage medium
KR102599667B1 (en) * 2023-05-17 2023-11-08 (주)씨브이티일렉트로닉스코리아 Stationary electronic blackboard system including electronic pen

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