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WO2012033267A1 - Tableau électronique multifonction pour commutation automatique entre écran électronique et tableau blanc et prévention du flou d'écran - Google Patents

Tableau électronique multifonction pour commutation automatique entre écran électronique et tableau blanc et prévention du flou d'écran Download PDF

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Publication number
WO2012033267A1
WO2012033267A1 PCT/KR2011/000639 KR2011000639W WO2012033267A1 WO 2012033267 A1 WO2012033267 A1 WO 2012033267A1 KR 2011000639 W KR2011000639 W KR 2011000639W WO 2012033267 A1 WO2012033267 A1 WO 2012033267A1
Authority
WO
WIPO (PCT)
Prior art keywords
board
screen
unit
sensor
lcd panel
Prior art date
Application number
PCT/KR2011/000639
Other languages
English (en)
Korean (ko)
Other versions
WO2012033267A9 (fr
Inventor
김철곤
Original Assignee
Kim Chul Kon
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kim Chul Kon filed Critical Kim Chul Kon
Publication of WO2012033267A1 publication Critical patent/WO2012033267A1/fr
Publication of WO2012033267A9 publication Critical patent/WO2012033267A9/fr

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Classifications

    • 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 OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/04883—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 for inputting data by handwriting, e.g. gesture or text

Definitions

  • the present invention relates to a multi-colored blackboard that automatically converts the copyboard and the whiteboard, and screen blur phenomenon is prevented;
  • the electronic board S / W is controlled using the IR sensor and the multi-touch sensor of the LCD panel, and an IR cut-off switch is applied to the edge of the screen to quickly and easily control the program S / W and system.
  • An LCD panel unit having a hot key for executing and terminating a function;
  • IR sensor driver and sensor driver that execute commands output from IR sensor and multi-touch sensor which are internal devices, AD board that outputs image, power part that supplies power to LCD panel (SMPS), hard to store data
  • a computer driver comprising a main panel and a system panel equipped with a PC power supplying power to the hard board, a main board on which a central processing unit (CPU) is installed;
  • a display unit comprising a frame and a rear cover mounted on the front and rear surfaces of the LCD panel unit and the computer driver unit, the display unit comprising: a display unit;
  • the invention relates to a multi-colored copyboard composed of hardware and software embedded with an image processor and a driving processor.
  • the lower portion of the display unit of the configuration the function of the whiteboard to write using a normal board marker pen, and a magnetic recognition reed switch sensor that automatically stops the operation of the touch sensor on the display screen when using the board marker pen Tray section is provided,
  • the operation of the touch sensor is controlled by the presence or absence of the board marker pen, thereby preventing an operation error due to the operation of the touch sensor when using the electronic board or the white board;
  • a tunnel structure is formed along the outer surface of the LCD panel and the glass, and a low-power fan is installed and driven under the tunnel structure to prevent the fog and moisture from occurring inside the glass or the LCD panel by circulating air inside the LCD panel and the glass due to the airflow. So that blurring of the display screen is prevented;
  • the S / W program and system control are executed quickly and easily by the hot key unit in which a plurality of IR cut-off switches are applied to the edge of the screen;
  • the entire screen area is configured to control the screen by applying the multi-touch sensor; It is a very useful invention regarding a multi-blackboard that automatically converts the copyboard and the whiteboard and prevents screen blur.
  • An electronic blackboard that displays characters such as writing, writing, line drawing, and drawing according to the user's choice, and outputs a digital signal corresponding to the character display on a window on which documents of lecture materials and presentation contents are displayed.
  • a computer for driving a writing and driving program corresponding to the electronic pen selection result data and resident thereon and storing the digital signal in an internal memory and outputting the digital signal to the LCD projector when receiving a digital signal from the electronic blackboard;
  • Electronic blackboards with writing function and whiteboard function are widely used in daily life.
  • the whiteboard function that uses a general board marker and the text of lecture materials and presentation contents are displayed on the window displaying the writing, writing, line drawing, figure drawing, etc. according to the user's choice and displaying the characters.
  • the user is required to select a function key attached to the copyboard to convert the function every day has caused a problem inconvenient to use;
  • An operation error occurs due to the operation of the touch sensor when used as the copyboard or the whiteboard, and automatic conversion of the copyboard or the whiteboard is impossible;
  • the external color of the writing pen is not recognized, and the same color as the writing pen is not implemented on the screen, and the user has to select and use the corresponding color.
  • the present invention provides an electronic blackboard to which a writing function and a white function are provided,
  • the function of the white board that can write using a general board marker pen and the operation of the touch sensor is controlled by the presence or absence of the board marker pen, and thus an operation error due to the operation of the touch sensor when used as an electronic blackboard or a white board Is prevented,
  • a tunnel structure is formed along the outer surface of the LCD panel and the glass, and a low-power fan is installed and driven under the tunnel structure, so that air in the LCD panel and the glass part is circulated due to airflow, causing fog and moisture inside the glass part or the outside of the LCD panel. Is prevented, so that blurring of the display screen is prevented;
  • HAT KEY hot key
  • the function of the white board that can write using a general board marker and the operation of the touch sensor is controlled by the presence or absence of the board marker, so that the operation error due to the operation of the touch sensor when used as an electronic board or a white board Effect is prevented;
  • a tunnel structure is formed along the outer surface of the LCD panel and the glass part, and a low-power fan is mounted and driven under the tunnel structure to circulate the air inside the LCD panel and the glass part due to the air flow, thereby causing fog and moisture on the glass part and the LCD panel outside. Generation is prevented, and the screen blur effect of the display unit is prevented;
  • All screen area can be controlled by applying multi-touch sensor,
  • DVD-ROM and USB port can be used for various media, and can connect and use external devices such as USB-type external devices or sound devices and video devices.
  • Wired LAN, wireless LAN, Bluetooth network interface is embedded, can be easily integrated into the networking environment, HDTV reception and automatic recording effect;
  • FIG. 1 is a perspective view of the present invention multi-electronic blackboard
  • Figure 2 is a perspective view showing a rear portion of the present invention multi-electronic blackboard
  • FIG. 3 is an exploded perspective view showing an exploded display unit of the present invention multi-electronic blackboard
  • Figure 4 is a schematic diagram showing a hotkey mounted state of the present invention multi-electronic blackboard
  • FIG. 5 is an exploded perspective view showing an exploded tray of the present invention multi-electronic blackboard
  • Figure 6 is a perspective view and a cross-sectional view of the combined tray portion of the present invention multi-electronic blackboard
  • FIG. 7 is a perspective view showing a state in which a pen is mounted on the frame guide tunnel of the present invention multi-electronic blackboard;
  • FIG. 8 is a schematic diagram showing a use state in which air in the LCD panel and glass of the present invention multi-colored electronic board is circulated, thereby preventing blurring of the display screen;
  • Figure 9 is a schematic diagram showing an operating state of the present invention multi-colored blackboard.
  • Multi-touch sensor 14 Hotkey part
  • system panel 22 IR sensor driver
  • PC power unit 28 central processing unit
  • first and second insertion portions 213 insertion holes
  • USB port 216 DVD mounting portion
  • reed switch sensor 252 photocoupler sensor
  • tunnel 320 low power fan
  • FIG. 1 is a perspective view of the present invention multi-electronic blackboard
  • Figure 2 is a perspective view showing a rear portion of the multi-color copyboard of the present invention
  • FIG. 3 is an exploded perspective view showing an exploded display unit of the present invention multi-electronic blackboard
  • Figure 4 is a schematic diagram showing a hot key mounted state of the present invention multi-electronic blackboard
  • FIG. 5 is an exploded perspective view showing an exploded tray of the present invention multi-electronic blackboard
  • FIG. 6 is a perspective view and a cross-sectional view of the tray unit coupling of the present invention multi-electronic blackboard
  • FIG. 7 is a perspective view illustrating a pen mounted on a frame guide tunnel of the multi-electronic blackboard of the present invention.
  • FIG. 8 is a schematic diagram showing a use state in which air in the LCD panel and glass of the multi-colored copyboard of the present invention is circulated to prevent blur of the display screen
  • FIG. 9 is a schematic diagram showing an operating state of the multi-color copyboard of the present invention.
  • the multi-color copyboard 1000 which automatically converts the copyboard and the whiteboard of the present invention and prevents screen blur
  • a display unit (100) consisting of an auxiliary device (40) of a frame, a guide, and a cover mounted on the front and rear of the LCD panel unit and the computer driver unit;
  • a magnetic recognition reed switch sensor 251 for recognizing the magnetism of the board marker pen 400 and a reed switch 250 equipped with photocoupler sensors 252 for recognizing the external color of the writing pen 410 are provided.
  • a tunnel 310 having a tunnel structure is formed in the frame guide 41 along the outer surface of the LCD panel 10 and the glass unit 30, and the low power fan 320 is mounted and driven under the frame guide tunnel 310.
  • Screen blur prevention unit 300 is configured.
  • the display unit 100 As shown in Figs. 3 and 4, the display unit 100;
  • the IR board 12 and the multi-touch sensor 13 of the LCD panel 11 are used to control the electronic board S / W, and a plurality of IR cut-off switches are applied to the edge of the screen so that the IR sensor 12 is applied.
  • the hot key unit is a function key that detects the operation and is transmitted to the IR sensor driver 22 and the central processing unit 28 of the computer driver 20 to quickly and easily execute and terminate the program S / W and system control. 14 is provided with an LCD panel unit 10,
  • IR sensor driver 22 and sensor driver 23 for performing commands output from the IR sensor 12 and the multi-touch sensor 13, which are internal devices, to the AD board 24 and the LCD panel.
  • Computer drive unit 20 consisting of a motherboard installed:
  • Glass portion 30 which is an anti-reflective glass provided on the front of the LCD panel portion 10,
  • the wall guide 45 mounted on the rear of the rear cover 1,2,3 (46,47,48), the display unit 100 is configured;
  • a plurality of switches of the IR cut-off method which is a hot key unit 14, are applied to the edge of the screen to detect whether the IR sensor 12 is operated, and to the IR sensor driver 22 and the central processing unit 24 of the computer driver 20.
  • the writing and driving programs corresponding to the data input by the dedicated pen are driven and resident, and when the digital signal is received from the copyboard, the multi-colorboard 1000 enables the computer driver to store the inputted digital signal and output it to the outside.
  • the LCD panel 10 and the computer driver 20 may connect and use external devices such as an audio device and an image device, and include a wired LAN, a wireless LAN, and a Bluetooth network interface to easily integrate and receive HDTV in a networking environment. It consists of a multi-color copyboard 1000 of a multi-purpose configuration capable of automatic recording.
  • each component of the display unit 100 is made of a metal or medium density fiberboard (MDF: MEDIUM DENSITY FIBREBOARD), synthetic resin material,
  • a through hole 461 is provided in the lower portion of the rear cover 1 46 of the display unit 100 to penetrate the column-shaped coupler 260 of the tray 200, and the lower portion of the frame guide 41.
  • a fastening bolt 411 is provided to fasten the upper fastening hole 262 of the columnar coupling hole 260 of the tray part, and is fastened to the upper part of the tray part 200.
  • the tray unit 200 As shown in Figures 5 and 6, the tray unit 200;
  • Metal or medium density fiber board (MDF: MEDIUM DENSITY FIBREBOARD), synthetic resin material body 210, and the first and lower ends of the reed switch 250 and the component cover 270 are respectively inserted into the upper and lower surfaces of the body, 2 insertion sections 211 and 212 are provided,
  • the insertion hole 213 is inserted into the column coupling portion 260 for the purpose of fastening the display unit 100 and the tray unit 200, and the column coupling in the lower portion of the insertion hole
  • a lower plate 220 provided with a reinforcing hole 221 and a fastening hole 222 for supporting a transmission load of the display unit, and front and rear covers 230 and 240 coupled to front and rear surfaces of the main body;
  • Reed switch sensor 251 is inserted into the first inserting portion 211 of the main body, the magnet of the magnet embedded in the board marker pen, and the photocoupler sensor 252 that recognizes the external color of the writing pen, respectively Mounted reed switch 250;
  • a column-shaped coupler 260 made of a metal material for use in which the display unit 100 and the tray unit 200 are fastened;
  • a component cover 270 inserted into, fastened to, and coupled to a lower portion of the rear cover 1 46 of the display unit;
  • USB port (216: USB port) and DVD mounting portion on one side of the main body
  • the tray portion 200 is configured
  • Reed switch 250 of the above configuration is inserted into the first insertion portion 211 of the main body 210,
  • the lower portion of the column coupling unit 260 is inserted into the insertion hole 213 of the main body, laminated on the upper portion of the lower plate 220 provided with the reinforcing hole 221 and the fastening hole 222, the fastener is fastened to the lower plate It is fastened to the lower fastening hole 261 of the hole 222 and the column coupler 260 to fix the lower portion of the column coupler 260 to the tray portion 200,
  • the upper portion of the columnar coupler 260 penetrates the through-hole 461 provided in the lower portion of the rear cover 1 46 of the display unit 100, and the pillar to the fastening bolt 411 provided under the frame guide 41.
  • It is composed of a structure in which the transmission load of the display unit 100 stacked on the upper part of the column-shaped coupler 260 is supported by the fastening support part 215 provided in the main body and the reinforcing tool 221 provided in the lower plate. .
  • the magnetic recognition reed switch sensor 251 for recognizing the magnetism of the board marker pen 400 and the reed switch 250 for mounting the photocoupler sensor 252 for recognizing the external color of the writing pen 410 are provided in the tray part. Mounted on the main body 210,
  • the reed switch sensor 251 detects the lamination of the board marker pen, Transmitted to the sensor dry unit 23 and the function of the multi-touch sensor 13, which is a touch sensor, is controlled, and the operation of the multi-touch sensor 13 is automatically paused on the screen of the display unit 100, so that a general board marker pen is used.
  • a configuration of the tray unit 200 which is automatically converted into a function of a whiteboard capable of writing;
  • the reed switch sensor 251 detects the board marker pen departure and then the computer driver 20 Multi-touch sensor 13, which is transmitted to the sensor dry unit 23 and a touch sensor, is operated, and the operation of the touch sensor is driven on the screen of the display unit 100, and automatically converted into an electronic blackboard function of writing function.
  • the operation of the multi-touch sensor 13, which is a touch sensor, is controlled by the presence or absence of the board marker pen 400, so that an operation error caused by the operation of the touch sensor when the board or white board is used is prevented.
  • the external color of the writing pen 410 is recognized by the photocoupler sensor 252 attached to the reed switch 250 and transferred to the sensor driver 23 of the computer driver 20 so that the writing pen is written.
  • a USB port 215 and a DVD mounting unit 216 are provided, and the tray unit 200 includes a USB type external device and a DVD-ROM, which are external devices, and are usable as various media media.
  • the screen blur prevention unit 300 As shown in Figure 7 and 8, the screen blur prevention unit 300;
  • a tunnel 310 having a tunnel structure is formed in the frame guide 41 along the outer surface of the LCD panel 10 and the glass unit 30, and the low power fan 320 is mounted and driven under the frame guide tunnel 310.
  • the screen blur prevention unit 300 In the configuration of the screen blur prevention unit 300;
  • the display unit By the low power fan 320 mounted under the frame guide tunnel 310, the air inside the LCD panel 11 and the glass part 30 which is the anti-reflective glass is rapidly circulated and moved, so that the glass part 30 or the LCD Since the outside of the panel 11 is prevented from fog and moisture, the display unit may be formed due to a temperature difference between the outside air in the room where the electronic board 1000 is installed and the air loaded inside the LCD panel 11 and the glass unit 30 ( The screen blur prevention part 300 of the screen blur phenomenon of 100 is prevented.
  • the glass unit 30 which is the anti-reflective glass, the light is reflected off when viewing the screen output from the display unit 100, it is configured to protect the eyesight of the user.
  • a number of switches of IR blocking method which is a hot key part, are applied to the edge of the screen of the LCD panel to detect whether the IR sensor is activated and transmitted to the central processing unit and the IR sensor driver of the computer driver.
  • the tray switch is equipped with a magnetic reed switch sensor that recognizes the magnetism of the board marker and a photo coupler sensor that recognizes the external color of the writing pen.
  • the reed switch sensor detects the board marker pen stack and transfers it to the sensor drive unit of the computer drive unit.
  • the control function of the sensor is controlled and the operation of the multi-touch sensor, which is a touch sensor, is automatically paused on the display screen of the LCD panel, and the operation of the tray unit is automatically converted into a function of a white board that can write using a general board marker.
  • the reed switch sensor detects the board marker pen to be transferred to the sensor driver of the computer driver and the sensor driver
  • the external color of the writing pen is recognized by the photocoupler sensor attached to the reed switch and transmitted to the sensor driver of the computer driving unit so that the same color as the writing pen is implemented on the display screen of the LCD panel.
  • IR sensor and multi-touch sensor mounted on the LCD panel detects the operation and control and transmits it to the central processing unit of the computer driver, and the electronic board S / W is operated and controlled by the IR sensor driver and the sensor driver.
  • the image is output to the LCD panel and the amplifier is output from the power unit, and the sound is output from the LCD panel.
  • the image is output from the power unit. It consists of the output working configuration.
  • USB port is provided in the LCD panel of the display unit, and a USB type external device may be connected and used;
  • a camera for video conferencing or video call may be installed;
  • the main body of the tray, a wired LAN, wireless LAN, Bluetooth network interface may be embedded in the networking environment easily, and equipped with a HDTV receiver and an automatic recording device, HDTV reception and automatic recording capable of multi-colored blackboard It may be.
  • the function mode of the blackboard mode, screen white, magnifier, and close of the hotkey unit shown in FIG. 4 is illustrated as one embodiment, and the present invention is not limited thereto.
  • the function button of this function may be composed of other function buttons.
  • the present invention multi-electronic blackboard is compared to the copyboard of the prior art
  • Operation of the multi-touch sensor 13, which is a touch sensor, is controlled by the presence or absence of the board marker pen, thereby preventing an operation error caused by the operation of the multi-touch sensor 13 when the board or the white board is used.
  • a tunnel 310 structure is formed in the frame guide 41 along the outer surface of the LCD panel 11 and the glass portion 30, and a low power fan 320 is mounted and driven under the tunnel 310 structure to provide air flow.
  • the air inside the LCD panel 11 and the glass unit 30 is circulated to prevent fog and moisture from occurring inside the glass unit 30 or the outside of the LCD panel 11, thereby blurring the screen of the display unit 100.
  • a plurality of switches of the IR blocking method are applied to the edge of the screen to detect whether the IR sensor 12 is activated and transmitted to the IR sensor driver 22 and the central processing unit 24 of the computer driver 20, and the program S / A technical configuration in which W and system control are executed and ended quickly and easily;
  • the entire screen area of the display unit 100 is composed of a multi-use multi-color copyboard 1000 having a technical configuration capable of screen control by applying the multi-touch sensor 13.
  • the function of the white board that can write using a general board marker and the operation of the touch sensor is controlled by the presence or absence of the board marker, so that the operation error due to the operation of the touch sensor when used as an electronic board or a white board Effect is prevented;
  • a tunnel structure is formed along the outer surface of the LCD panel and the glass part, and a low-power fan is mounted and driven under the tunnel structure to circulate the air inside the LCD panel and the glass part due to the air flow, thereby causing fog and moisture on the glass part and the LCD panel outside. Generation is prevented, and the screen blur effect of the display unit is prevented;
  • All screen area can be controlled by applying multi-touch sensor,
  • DVD-ROM and USB port can be used for various media, and can connect and use external devices such as USB-type external devices or sound devices and video devices.
  • Wired LAN, wireless LAN, Bluetooth network interface is embedded, can be easily integrated into the networking environment, HDTV reception and automatic recording effect;

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Position Input By Displaying (AREA)

Abstract

La présente invention concerne un tableau électronique multifonction qui peut automatiquement commuter entre une fonction d'écriture et une fonction d'affichage et qui peut prévenir un flou d'écran. Le dispositif d'affichage électronique multifonction à structure matérielle intégrée, comprenant un processeur d'image intégré, un processeur de pilotage intégré et un logiciel, comporte : une unité de panneau LCD qui commande un S/W de tableau électronique à l'aide d'un capteur infrarouge et d'un capteur tactile multipoint de l'unité de panneau LCD, et qui comprend une section de touche rapide pour exécuter et arrêter rapidement et facilement un programme S/W, et un système de commande par application d'un interrupteur du type à coupure infrarouge sur le bord de l'unité de panneau LCD ; une unité de pilotage de capteur infrarouge et une unité de pilotage de capteur qui exécutent les instructions émises par le capteur infrarouge et le capteur tactile multipoint à titre d'unités internes ; une carte AD pour émettre des images ; une unité d'alimentation principale (SMPS) pour alimenter électriquement le panneau LCD ; un disque dur pour stocker des données ; un pupitre de système comprenant une unité d'alimentation PC pour alimenter électriquement une carte principale et le disque dur ; une unité d'affichage comprenant une unité de pilotage d'ordinateur composée de la carte principale comportant une unité centrale (CPU). En particulier, la présente invention concerne un dispositif d'affichage multifonction qui permet de commuter entre une fonction tableau blanc et une fonction d'affichage et de prévenir un flou d'écran, la fonction tableau blanc permettant d'écrire à l'aide d'un marqueur de tableau générique, ayant une structure afin de porter le marqueur de tableau sur l'extérieur de l'unité de plateau ayant un capteur à contact en ampoule de reconnaissance magnétique afin de mettre automatiquement en pause un fonctionnement du capteur tactile sur un écran d'affichage lors de l'utilisation du marqueur de tableau, commandant le fonctionnement du capteur tactile par l'unité de plateau qui utilise le capteur à contact en ampoule de reconnaissance magnétique conformément à une utilisation du marqueur de tableau afin d'éviter des erreurs de fonctionnement lorsque le dispositif d'affichage est utilisé comme écran électronique ou comme tableau blanc, activant une fonction de commutation automatique entre l'écran électronique et le tableau blanc, activant une fonction de commutation d'écran entre une fonction d'écriture du type tactile et la fonction d'affichage, affichant la même couleur qu'un stylo d'écriture exclusif sur l'écran par activation d'un capteur à photo-coupleur placé dans l'unité de plateau pour reconnaître une couleur externe du stylo d'écriture exclusif pendant qu'un programme d'écriture est exécuté, formant une structure tunnel le long de l'extérieur du panneau LCD et d'un verre de l'unité d'affichage, faisant circuler l'air interne du panneau LCD et du verre par production d'un courant d'air en actionnant un ventilateur basse puissance placé au niveau d'une partie inférieure de la structure tunnel, empêchant un flou d'écran par prévention de la génération de brouillard et d'humidité à l'intérieur du verre, exécutant et arrêtant rapidement et facilement le programme S/W et la commande de système à l'aide de la section de touche rapide pour appliquer l'interrupteur du type à coupure infrarouge sur le bord de l'écran, et permettant une commande d'écran par application du capteur tactile multipoint à la surface entière de l'écran.
PCT/KR2011/000639 2010-09-10 2011-01-31 Tableau électronique multifonction pour commutation automatique entre écran électronique et tableau blanc et prévention du flou d'écran WO2012033267A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100089065A KR101007248B1 (ko) 2010-09-10 2010-09-10 전자칠판과 화이트보드의 자동 변환 및, 화면 흐림현상이 방지되는 멀티 전자칠판
KR10-2010-0089065 2010-09-10

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WO2012033267A1 true WO2012033267A1 (fr) 2012-03-15
WO2012033267A9 WO2012033267A9 (fr) 2012-05-03

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
WO2017030269A1 (fr) * 2015-08-18 2017-02-23 박재현 Procédé et système de commutation automatique vers le mode d'écriture
EP3190486A4 (fr) * 2014-09-03 2018-08-01 UC Nano Technologies Co., Ltd. Tableau noir tactile, cadre de tableau noir tactile, machine monobloc tactile et tableau noir combiné
CN117237231A (zh) * 2023-11-10 2023-12-15 深圳市善之能科技有限公司 一种防止显示屏画面模糊的渐变调整方法及系统

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