WO2018107856A1 - 智能交互黑板及其交互计算机系统 - Google Patents

智能交互黑板及其交互计算机系统 Download PDF

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Publication number
WO2018107856A1
WO2018107856A1 PCT/CN2017/103448 CN2017103448W WO2018107856A1 WO 2018107856 A1 WO2018107856 A1 WO 2018107856A1 CN 2017103448 W CN2017103448 W CN 2017103448W WO 2018107856 A1 WO2018107856 A1 WO 2018107856A1
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Prior art keywords
writing
liquid crystal
display
film
computer system
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PCT/CN2017/103448
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English (en)
French (fr)
Inventor
刘天保
侯旻翔
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广州视源电子科技股份有限公司
广州视睿电子科技有限公司
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Publication of WO2018107856A1 publication Critical patent/WO2018107856A1/zh

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    • 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
    • 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

Definitions

  • the present invention relates to the field of blackboards, and more particularly to an intelligent interactive blackboard and an interactive computer system thereof.
  • the blackboard is a plane that can be written repeatedly, and is an indispensable tool for the teaching process.
  • the interaction between the teacher and the student can be realized through the blackboard.
  • Traditional teaching uses ordinary blackboards written in chalk, which is polluted and has a strong writing resistance. At present, although it is assisted by a computer with a projection device, the ordinary blackboard written in ordinary chalk is retained, and the above problems still exist.
  • the present invention proposes an intelligent interactive blackboard and an interactive computer system thereof, which can realize teaching interaction without using an ordinary blackboard written in chalk.
  • An intelligent interactive blackboard comprising: a liquid crystal functional writing film and an interactive computer system; the interactive computer system comprising a writing recognition device and a display; the writing recognition device being mounted on both sides of the liquid crystal functional writing film;
  • the writing recognition device is coupled to the display;
  • the writing recognition device detects a writing coordinate signal on the liquid crystal function writing film, converts the writing coordinate signal into writing content, and transmits the writing content to a display of the interactive computer system for display.
  • An interactive computer system comprising:
  • the writing recognition device is installed on both sides of the peripheral liquid crystal function writing film;
  • the writing recognition device is coupled to the display;
  • the writing recognition device detects a writing coordinate signal on the peripheral liquid crystal function writing film, converts the writing coordinate signal into writing content, and transmits the writing content to the display for display.
  • the intelligent interactive blackboard and the interactive computer system thereof includes a writing recognition device and a display, the writing recognition device is installed on both sides of the liquid crystal function writing film, and the writing recognition device is connected to the display.
  • the writing recognition device detects a writing coordinate signal on the liquid crystal functional writing film, converts the writing coordinate signal into writing content, and transmits the writing content to a display of the interactive computer system for display, through the liquid crystal function of the smart interactive blackboard
  • the writing film, the external passive writing device such as the passive pen can display the writing handwriting in real time when writing on the liquid crystal functional writing film, the liquid crystal functional writing film does not need to use chalk, does not cause pollution, does not affect the user's health.
  • the writing recognition device can synchronously acquire the writing content, transmit it to the display of the interactive computer system, and synchronously display the writing content on the liquid crystal functional writing film.
  • FIG. 1 is a schematic structural diagram of a smart interaction blackboard in an embodiment
  • FIG. 2 is a schematic diagram of an intelligent interactive blackboard application environment in an embodiment
  • FIG. 3 is a schematic diagram of an intelligent interactive blackboard application environment in another embodiment
  • FIG. 4 is a schematic structural diagram of an interactive computer system of an intelligent interactive blackboard in an embodiment
  • FIG. 5 is a schematic diagram of an application environment of an interactive computer system of an intelligent interactive blackboard in an embodiment.
  • the smart interaction blackboard of the embodiment includes: a liquid crystal function writing film 10 and an interactive computer system 20; the interactive computer system 20 includes a writing recognition device. 202 and display 201; the writing recognition device 202 is mounted on both sides of the liquid crystal functional writing film;
  • the writing recognition device 202 is connected to the display 201;
  • the writing recognition device detects a writing coordinate signal on the liquid crystal functional writing film, and writes a sitting
  • the target signal is converted to written content, and the written content is sent to a display of the interactive computer system for display.
  • the liquid crystal functional writing film is a plane that can be repeatedly written, and the liquid crystal functional writing film can control the twistable profile of the liquid crystal molecules by electrodes, and when writing, the pressure of the writing head squeezes the liquid crystal deflection shape to realize light penetration. And reflection, thereby realizing the display of the written content, when the writing content needs to be erased, the liquid crystal molecules can be rearranged by the external command to restore the preset arrangement state.
  • the writing recognition device is a device capable of acquiring a writing coordinate signal and converting the corresponding writing content.
  • the writing recognition device is an infrared bilateral touch frame; the infrared bilateral touch frame is mounted on the liquid crystal functional writing film. On both sides.
  • the infrared touch frame forms an infrared network on the surface of the liquid crystal functional writing film, and touches a certain point on the surface of the liquid crystal function with a finger or a passive pen, so that the infrared light passing through the position is blocked, and the interactive computer system can instantly calculate the touch. Point location. Therefore, the written content (such as teaching content or important meeting content) can be acquired in real time through the infrared bilateral touch frame, and converted into a data file format, which is transmitted to a display of the interactive computer system, where the interactive computer system can be The written content is displayed synchronously on the display.
  • the interactive computer system is a computer system having a display (such as a projection cloth or the like) and a writing recognition device, and the writing recognition device can acquire the liquid crystal function writing film to display the writing content, and display it on the display for the user (such as a teacher and a student, etc.).
  • the interactive computer system has a data processing function capable of performing a conventional word processing operation such as enlarging, reducing, thickening, annotating, or coloring the selected written content synchronously displayed on the display.
  • a conventional word processing operation such as enlarging, reducing, thickening, annotating, or coloring the selected written content synchronously displayed on the display.
  • the writing content can be simultaneously displayed on the display of the interactive computer system that is powered on by the writing recognition device.
  • the teacher's writing content on the LCD functional writing film "smart interactive blackboard" font is too small, students especially sitting in the back row of students can not see the written content, if the infrared touch frame is enabled, the teacher on the liquid crystal function writing film
  • the written content is simultaneously displayed on the display of the interactive computer system, and the written content "smart interactive blackboard" can be enlarged at the display.
  • conventional operations such as thickening, annotating, or coloring the written content may be performed on the display.
  • the interactive computer system is an intelligent connection with a writing recognition device
  • the interactive tablet is a computer with a large-size display screen, which is installed in the middle of the wall together with the liquid crystal function writing film, and the two sides of the smart interactive tablet are liquid crystal functional writing films, as shown in FIG. 2 .
  • the writing content can be synchronously displayed on the smart interactive tablet running on the power by the writing recognition device.
  • the teacher's writing content on the LCD functional writing film "smart interactive blackboard" font is too small, students especially sitting in the back row of students can not see the written content, if the infrared touch frame is enabled, the teacher on the liquid crystal function writing film
  • the written content is synchronously displayed on the display screen of the smart interactive tablet, and then the written content “smart interactive blackboard” is enlarged to the student through the smart interactive tablet.
  • the smart interactive tablet can also perform conventional operations such as thickening, annotating or coloring the written content.
  • the interactive computer system further includes: a memory 203;
  • the memory 203 is connected to the writing recognition device 202;
  • the writing recognition device detects a writing coordinate signal on the liquid crystal function writing film, converts the writing coordinate signal into writing content, and transmits the writing content to the memory for storage.
  • the smart interactive blackboard can be used for synchronously displaying the written content of the liquid crystal display, and can also store the written content after the written content sent by the writing recognition device. For example, important meeting content or important teaching content can be further saved through the smart interactive blackboard. Through the memory, the writing content on the liquid crystal display can be saved, which is convenient for later viewing. For example, during the class, the student has no time to take notes, and the memory can be used for the students to learn and then learn.
  • the display surface of the interactive computer system is mounted with a liquid crystal functional writing film
  • the liquid crystal functional writing film is attached to the surface of the display through a protective glass; wherein the edge of the liquid crystal functional writing film is over the edge of the display surface.
  • the liquid crystal functional writing film is attached to the display screen of the interactive computer system through a protective glass for acquiring a pressure signal of the writing device, and the writing content can be displayed on the interactive computer system.
  • the interactive computer system is a smart interactive tablet
  • a liquid crystal function writing film is added to the display of the smart tablet
  • the smart tablet is not powered on or the smart interactive tablet cannot be used due to a failure, or does not need to utilize the intelligent interaction flat energy.
  • the functions such as synchronous display or saving are performed
  • the writing on the liquid crystal function writing film on the smart tablet can also be written, which increases the writing area and makes the smart interactive tablet have various functions. Sex.
  • the smart interactive tablet is not powered on, and the middle area is an unpowered smart interactive tablet.
  • the smart interactive tablet is mounted with a liquid crystal function writing film, and the liquid crystal function writing is installed on both sides of the smart interactive tablet. membrane.
  • the writing content on the liquid crystal functional writing film on both sides of the smart interactive tablet can be synchronously displayed by the writing recognition device.
  • the interactive computer system of the smart display blackboard can synchronously display the writing content on the liquid crystal functional writing film after power-on, and can write on the display screen of the interactive computer system when the power is not turned on, thereby increasing the writing area. , with practicality.
  • the smart interaction blackboard further includes:
  • An erasure control module 30 connected to the liquid crystal function writing film for erasing the writing content of the liquid crystal function writing film 10;
  • An erase command module 40 coupled to the erase control module is configured to send an erase command to the erase control module 30 to trigger the erase control module 30 to erase the written content of the liquid crystal function writing film 10.
  • the erase command module can be a button, and when the button is pressed, the erase control module 40 is triggered to erase the written content on the liquid crystal function writing film.
  • the liquid crystal function writing film 10 is provided with a network interface, and is connected to the erasure control module 30 through the network interface. After the erasing command module 40 sends an erasing command to the erasing control module 30, the writing content on the corresponding liquid crystal function writing film can be erased at one time, thereby realizing "one-key clearing" of the writing content, thereby greatly saving Manpower, and there will be no chalk ash to pollute the environment and damage human health.
  • the erase command module 40 includes a plurality of erase command sub-modules
  • the erase command sub-module is connected to the erase control module 30 for transmitting a corresponding erase command to the erase control module 30 to trigger the erase control module 30 to erase the written content of the corresponding area of the liquid crystal function writing film.
  • the erase control module 30 includes erasure buttons No. 1, No. 2, No. 3, and No. 4, No. 1
  • the erase button is used to control the upper left area of the liquid crystal function writing film
  • the second erase button is used to control the lower left area of the liquid crystal function writing film
  • the third erase button is used to control the upper right area of the liquid crystal function writing film
  • the erasing button is used to control the lower right area of the liquid crystal writing film.
  • the teacher starts writing from the upper left area of the liquid crystal function writing film, and after the entire liquid crystal function writing film is filled, the teacher receives the feedback from the student in the lower right area of the liquid crystal function writing film, and the teacher can press the written content.
  • the erase control module 30 is coupled to the interactive computer system 20 for receiving an erase command sent by the interactive computer system.
  • the erasing of the writing content on the liquid crystal functional writing film 10 can also be effected by the interactive computer system 20, for example by mouse click or hand touch on the interactive computer system 20.
  • the erase control module 30 can be triggered to implement erasure.
  • the interactive computer system 20 can also be provided with a plurality of erase sub-modules for erasing different areas of the liquid crystal functional writing film.
  • the intelligent interactive blackboard includes a liquid crystal functional writing film and an interactive computer system.
  • the interactive computer system of the intelligent interactive blackboard includes a writing recognition device and a display, and the writing recognition device is installed on both sides of the liquid crystal functional writing film, and the writing recognition device Connected to the display, the writing recognition device detects a writing coordinate signal on the liquid crystal function writing film, converts the writing coordinate signal into writing content, and transmits the writing content to a display of the interactive computer system for display.
  • the liquid crystal function writing film of the above intelligent interactive blackboard when an external passive writing device such as a passive pen is written on the liquid crystal function writing film, can display the writing handwriting in real time, and write on the liquid crystal functional writing film without using chalk, writing
  • the resistance is small, does not cause pollution, does not affect the health of the user, and when writing on the liquid crystal writing film, the writing recognition device can synchronously acquire the writing content, transmit it to the display of the interactive computer system, and synchronously display the liquid crystal function writing film. Write the content.
  • an interactive computer system includes a writing recognition device, 202 and display
  • the display 201 is installed on both sides of the peripheral liquid crystal function writing film;
  • the writing recognition device 202 is connected to the display 201;
  • the writing recognition device detects a writing coordinate signal on the peripheral liquid crystal function writing film, converts the writing coordinate signal into writing content, and transmits the writing content to the display for display.
  • the interactive computer system of the smart interactive blackboard has a writing recognition device capable of acquiring a writing signal of a peripheral liquid crystal writing film.
  • the writing recognition device can synchronously acquire the writing content and transmit to the interactive computer system.
  • the display synchronously displays the writing content of the liquid crystal writing film.
  • the interactive computer system includes: a memory 203;
  • the memory 203 is connected to the writing recognition device 202;
  • the writing recognition device detects a writing coordinate signal on the peripheral liquid crystal function writing film, converts the writing coordinate signal into writing content, and transmits the writing content to the memory for storage.
  • the interactive computer system of the smart interactive blackboard can be used for synchronously displaying the written content of the liquid crystal display, and can also store the written content after the written content sent by the writing recognition device. For example, important meeting content or important teaching content can be further saved by the interactive computer system. Through the memory, the writing content on the liquid crystal display can be saved, which is convenient for later viewing. For example, during the class, the student has no time to take notes, and the memory can be used for the students to learn and then learn.
  • the display surface of the interactive computer system is mounted with a liquid crystal functional writing film
  • the liquid crystal functional writing film is attached to the surface of the display through a protective glass; wherein the edge of the liquid crystal functional writing film is over the edge of the display surface.
  • the liquid crystal functional writing film is attached to the display screen of the interactive computer system through a protective glass for acquiring a pressure signal of the writing device, and the writing content can be displayed on the interactive computer system.
  • FIG. 5 is a schematic diagram of the interactive computer system when the interactive computer system is not powered, the intermediate area is the unpowered interactive computer system, and the interactive computer system is mounted with a liquid crystal function writing film, and the interactive computer system is installed on both sides. There is the liquid crystal function writing film.
  • the writing content on the liquid crystal functional writing film on both sides of the interactive computer system can be synchronously displayed by the writing recognition device.
  • the interactive computer system of the smart display blackboard can synchronously display the writing content on the liquid crystal functional writing film after power-on, and can write on the display screen of the interactive computer system when the power is not turned on, thereby increasing the writing area. , with practicality.

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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)
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Abstract

一种智能交互黑板及其交互计算机系统（20），所述交互计算机系统（20）包括书写识别装置（202）和显示器（201），所述书写识别装置（202）加装在液晶功能书写膜（10）的两侧，所述书写识别装置（202）与所述显示器（201）连接，所述书写识别装置（202）检测所述液晶功能书写膜（10）上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述交互计算机系统（20）的显示器（201）进行显示；通过上述智能交互黑板的液晶功能书写膜（10），外部无源书写设备如无源笔在所述液晶功能书写膜（10）上书写时，可实时显示书写笔迹，且在液晶功能书写膜（10）上书写时，书写识别装置（202）可同步获取书写内容，传输至交互计算机系统（20）的显示器（201），同步显示液晶功能书写膜（10）上的书写内容。

Description

智能交互黑板及其交互计算机系统 技术领域
本发明涉及黑板领域，尤其涉及一种智能交互黑板及其交互计算机系统。
背景技术
黑板为可以反复书写的平面，是教学过程必不可少的工具，通过黑板可实现教师与学生的互动。传统教学使用粉笔书写的普通黑板，存在污染，书写阻力大。目前虽然辅助以有投影设备的计算机，但仍保留采用普通粉笔书写的普通黑板，以上问题依然存在。
发明内容
基于此，针对如何解决上述问题，本发明提出一种智能交互黑板及其交互计算机系统，能够实现教学互动，无需使用粉笔书写的普通黑板。
一种智能交互黑板，包括：液晶功能书写膜和交互计算机系统；所述交互计算机系统包括书写识别装置和显示器；所述书写识别装置加装在液晶功能书写膜的两侧；
所述书写识别装置与所述显示器连接；
所述书写识别装置检测所述液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述交互计算机系统的显示器进行显示。
一种交互计算机系统，包括：
书写识别装置和显示器；所述书写识别装置加装在外设液晶功能书写膜的两侧；
所述书写识别装置与所述显示器连接；
所述书写识别装置检测外设液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述显示器进行显示。
上述智能交互黑板及其交互计算机系统，所述交互计算机系统包括书写识别装置和显示器，所述书写识别装置加装在液晶功能书写膜的两侧，所述书写识别装置与所述显示器连接，所述书写识别装置检测所述液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述交互计算机系统的显示器进行显示，通过上述智能交互黑板的液晶功能书写膜，外部无源书写设备如无源笔在所述液晶功能书写膜上书写时，可实时显示书写笔迹，所述液晶功能书写膜无需使用粉笔，不会造成污染，不影响使用者身体健康，且在液晶功能书写膜上书写时，书写识别装置可同步获取书写内容，传输至交互计算机系统的显示器，同步显示液晶功能书写膜上的书写内容。
附图说明
图1为一个实施例中的智能交互黑板结构示意图；
图2为一个实施例中智能交互黑板应用环境示意图；
图3另一个实施例中智能交互黑板应用环境示意图；
图4为一个实施例中的智能交互黑板的交互计算机系统结构示意图；
图5为一个实施例中智能交互黑板的交互计算机系统的应用环境示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
图1为一个实施例中的智能交互黑板结构示意图，请参阅图1，本实施例的智能交互黑板，包括：液晶功能书写膜10和交互计算机系统20；所述交互计算机系统20包括书写识别装置202和显示器201；所述书写识别装置202安装在液晶功能书写膜的两侧；
所述书写识别装置202与所述显示器201连接；
所述书写识别装置检测所述液晶功能书写膜上的书写坐标信号，将书写坐 标信号转换为书写内容，发送所述书写内容至所述交互计算机系统的显示器进行显示。
所述液晶功能书写膜为可反复进行书写的平面，所述液晶功能书写膜可通过电极控制液晶分子排列的可扭曲型材，当书写时，笔头的压力挤压液晶偏转形状，实现光的穿透与反射，从而实现书写内容的显示，当需要擦除书写内容时，通过外部指令就可以控制液晶分子重新排列形状，恢复预设的排列状态。
所述书写识别装置为能够获取书写坐标信号，并能转换成相应书写内容的装置，一个实施例中，所述书写识别装置为红外双边触摸框；所述红外双边触摸框安装于液晶功能书写膜的两侧。
所述红外触摸框会在液晶功能书写膜表面形成一个红外线网，以手指或无源笔等触摸液晶功能书写膜表面某一点，便会挡住经过该位置的红外线，交互计算机系统便可即时算出触摸点位置。因此，通过所述红外双边触摸框可实时获取书写内容(如教学内容或重要会议内容)，并将其转换为数据文档格式，将其传输至交互计算机系统的显示器，可在所述交互计算机系统的显示器上同步显示书写内容。
所述交互计算机系统为具有显示器(如投影布等)和书写识别装置的计算机系统，可以通过书写识别装置获取液晶功能书写膜显示书写内容，并显示在显示器上，供用户(如教师和学生等)观看，所述交互计算机系统具有数据处理功能，能够对选中的同步显示在显示器上的书写内容进行放大、缩小、加粗、加批注或调色等惯用文字处理操作。具体地，在液晶功能书写膜上书写时，所述书写内容可通过书写识别装置同步显示在上电运行的所述交互计算机系统的显示器上。例如，教师在液晶功能书写膜上的书写内容“智能交互黑板”字体太小，学生尤其坐在后排的学生看不清书写内容，若启用红外触摸框，将教师在液晶功能书写膜上的书写内容同步显示在交互计算机系统的显示器上，在显示器可对所述书写内容“智能交互黑板”进行放大。此外在显示器上还可以对所述书写内容加粗、加批注或调色等惯用操作。
一个具体的实施例中，所述交互计算机系统为连接有书写识别装置的智能 交互平板，智能交互平板为具有大尺寸显示屏的计算机，所述智能交互平板与液晶功能书写膜一起安装在墙正中间，所述智能交互平板的两边为液晶功能书写膜，如图2，在液晶功能书写膜上书写时，所述书写内容可通过书写识别装置同步显示在上电运行的智能交互平板上。例如，教师在液晶功能书写膜上的书写内容“智能交互黑板”字体太小，学生尤其坐在后排的学生看不清书写内容，若启用红外触摸框，将教师在液晶功能书写膜上的书写内容同步显示在智能交互平板的显示屏上，再通过智能交互平板对所述书写内容“智能交互黑板”进行放大至学生看清。此外在智能交互平板还可以对所述书写内容加粗、加批注或调色等惯用操作。
一个实施例中，如图1，所述交互计算机系统还包括：存储器203；
所述存储器203与所述书写识别装置202连接；
所述书写识别装置检测所述液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述存储器进行保存。
所述智能交互黑板，可用于同步显示液晶显示器的书写内容，也可获取所述书写识别装置发送的所述书写内容后，存储书写内容。例如重要会议内容或重要教学内容，可通过所述智能交互黑板进一步保存。通过所述存储器能够保存液晶显示器上的书写内容，便于后期观看，例如，上课时，学生来不及做笔记，通过所述存储器可供学生下课再学习。
一个实施例中，所述交互计算机系统的显示器表面安装有液晶功能书写膜；
所述液晶功能书写膜通过保护玻璃贴合在显示器表面；其中，所述液晶功能书写膜边缘为越过显示器表面边缘。
该液晶功能书写膜通过保护玻璃贴合在所述交互计算机系统的显示屏上，用于获取书写设备的压力信号，在所述交互计算机系统上就可以显示书写内容。
例如，所述交互计算机系统为智能交互平板时，智能平板的显示器上加装有液晶功能书写膜，智能平板未上电或因智能交互平板因故障无法使用时，或者不需要利用智能交互平能的同步显示或保存等功能时，在智能平板上的液晶功能书写膜上可也以进行书写，增加了书写面积，使得智能交互平板具备多样 性。如图3为智能交互平板未上电时的示意图，中间区域为未上电的智能交互平板，所述智能交互平板上安装有液晶功能书写膜，智能交互平板两旁区域安装有所述液晶功能书写膜。
而在智能交互平板上电后，如图2，通过书写识别装置，可以同步显示在智能交互平板两旁的液晶功能书写膜上的书写内容。
所述智能显示黑板的交互计算机系统，在上电后，可以同步显示所述液晶功能书写膜上的书写内容，未上电时，又可在交互计算机系统的显示屏上书写，增加了书写面积，具备实用性。
一个实施例中，如图1，所述智能交互黑板还包括：
与所述液晶功能书写膜连接的擦除控制模块30，用于擦除液晶功能书写膜10的书写内容；
与所述擦除控制模块连接的擦除命令模块40，用于向擦除控制模块30发送擦除命令，以触发擦除控制模块30擦除液晶功能书写膜10的书写内容。
所述擦除命令模块可以为一按键，当按下按键时，就会触发擦除控制模块40擦除液晶功能书写膜上的书写内容。本实施例中，所述液晶功能书写膜10具备网络接口，通过该网络接口与擦除控制模块30连接。所述擦除命令模块40向所述擦除控制模块30发送擦除命令后，就能够一次性擦除相应的液晶功能书写膜上的书写内容，实现书写内容的“一键清除”，大大节省人力，且不会有粉笔灰污染环境，损害人体健康。
优选的，所述擦除命令模块40包括若干个擦除命令子模块；
擦除命令子模块与擦除控制模块30连接，用于向擦除控制模块30发送对应的擦除命令，以触发擦除控制模块30擦除液晶功能书写膜对应区域的书写内容。
在实际教学中，有时液晶功能书写膜上的部分书写内容需要擦除，另一部分的书写内容仍需保留，采用多个擦除控制模块分别控制液晶功能书写膜相应区域的擦除，可避免误擦除仍需保留的书写内容。
例如，所述擦除控制模块30包括1号、2号、3号和4号擦除按键，1号 擦除按键用于控制液晶功能书写膜的左上方区域，2号擦除按键用于控制液晶功能书写膜的左下方区域，3号擦除按键用于控制液晶功能书写膜的右上方区域，4号擦除按键用于控制液晶功能书写膜的右下方区域。教师从液晶功能书写膜的左上方区域开始书写，整个液晶功能书写膜都被写满后，教师接到学生反馈液晶功能书写膜右下方区域的书写内容还未做完笔记，那么教师就可以按下1号、2号和3号擦除按键，擦除液晶功能书写膜的左上方区域、左下方区域和右上方区域，擦除后，教师可继续书写后续内容，又不会影响学生记右下方的笔记。
一个实施例中，如图1，所述擦除控制模块30与交互计算机系统20连接，用于接收所述交互计算机系统发送的擦除指令。
除了通过按键等擦除命令模块40来实现液晶功能书写膜10上的书写内容的擦除，还可通过交互计算机系统20来实现擦除，例如通过鼠标点击或手触摸交互计算机系统20上设置的擦除模块，即可触发擦除控制模块30实现擦除。
此外，所述交互计算机系统20还可设置若干个擦除子模块，用于液晶功能书写膜的不同区域的擦除。
上述智能交互黑板，包括液晶功能书写膜和交互计算机系统，智能交互黑板的交互计算机系统包括书写识别装置和显示器，所述书写识别装置加装在液晶功能书写膜的两侧，所述书写识别装置与所述显示器连接，所述书写识别装置检测所述液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述交互计算机系统的显示器进行显示，通过上述智能交互黑板的液晶功能书写膜，外部无源书写设备如无源笔在所述液晶功能书写膜上书写时，可实时显示书写笔迹，在所述液晶功能书写膜上书写无需使用粉笔，书写阻力小，不会造成污染，不影响使用者身体健康，且在液晶功能书写膜上书写时，书写识别装置可同步获取书写内容，传输至交互计算机系统的显示器，同步显示液晶功能书写膜上的书写内容。
一个实施例中，如图4，一种交互计算机系统，包括书写识别装,202和显 示器201；所述书写识别装置202加装在外设液晶功能书写膜的两侧；
所述书写识别装置202与所述显示器201连接；
所述书写识别装置检测外设液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述显示器进行显示。
上述智能交互黑板的交互计算机系统，具备能够获取外设液晶功能书写膜的书写信号的书写识别装置，在液晶功能书写膜上书写时，书写识别装置可同步获取书写内容，传输至交互计算机系统的显示器，同步显示液晶功能书写膜的书写内容。
一个实施例中，如图4，所述交互计算机系统，包括：存储器203；
所述存储器203与所述书写识别装置202连接；
所述书写识别装置检测外设液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述存储器进行保存。
所述智能交互黑板的交互计算机系统，可用于同步显示液晶显示器的书写内容，也可获取所述书写识别装置发送的所述书写内容后，存储书写内容。例如重要会议内容或重要教学内容，可通过所述交互计算机系统进一步保存。通过所述存储器能够保存液晶显示器上的书写内容，便于后期观看，例如，上课时，学生来不及做笔记，通过所述存储器可供学生下课再学习。
一个实施例中，所述交互计算机系统的显示器表面安装有液晶功能书写膜；
所述液晶功能书写膜通过保护玻璃贴合在显示器表面；其中，所述液晶功能书写膜边缘为越过显示器表面边缘。
该液晶功能书写膜通过保护玻璃贴合在所述交互计算机系统的显示屏上，用于获取书写设备的压力信号，在所述交互计算机系统上就可以显示书写内容。
具体地，所述交互计算机系统未上电或因故障无法使用时，在所述交互计算机系统上的液晶功能书写膜上可也以进行书写，增加了书写面积，使得所述交互计算机系统具备多样性。如图5为所述交互计算机系统未上电时的示意图，中间区域为未上电的所述交互计算机系统，所述交互计算机系统上安装有液晶功能书写膜，所述交互计算机系统两旁区域安装有所述液晶功能书写膜。
而在所述交互计算机系统上电后，通过书写识别装置，可以同步显示在所述交互计算机系统两旁的液晶功能书写膜上的书写内容。
所述智能显示黑板的交互计算机系统，在上电后，可以同步显示所述液晶功能书写膜上的书写内容，未上电时，又可在交互计算机系统的显示屏上书写，增加了书写面积，具备实用性。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能组合都进行描述，然而只要这些技术特征的组合不存在矛盾，都应当是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施例，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种智能交互黑板，其特征在于，包括：液晶功能书写膜和交互计算机系统；所述交互计算机系统包括书写识别装置和显示器；所述书写识别装置加装在液晶功能书写膜的两侧；
    所述书写识别装置与所述显示器连接；
    所述书写识别装置检测所述液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述交互计算机系统的显示器进行显示。
  2. 根据权利要求1所述的智能交互黑板，其特征在于，所述书写识别装置为红外双边触摸框。
  3. 根据权利要求1或2所述的智能交互黑板，其特征在于，所述交互计算机系统包括：存储器；
    所述存储器与所述书写识别装置连接；
    所述书写识别装置检测所述液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述存储器进行保存。
  4. 根据权利要求1或2所述的智能交互黑板，其特征在于，所述交互计算机系统的显示器表面安装有液晶功能书写膜；
    所述液晶功能书写膜通过保护玻璃贴合在显示器表面；其中，所述液晶功能书写膜边缘为越过显示器表面边缘。
  5. 根据权利要求1或2所述的智能交互黑板，其特征在于，还包括：
    与所述液晶功能书写膜连接的擦除控制模块，用于擦除液晶功能书写膜的书写内容；
    与所述擦除控制模块连接的擦除命令模块，用于向擦除控制模块发送擦除命令，以触发擦除控制模块擦除液晶功能书写膜的书写内容。
  6. 根据权利要求5所述的智能交互黑板，其特征在于，所述擦除命令模块包括若干个擦除命令子模块；
    擦除命令子模块与擦除控制模块连接，用于向擦除控制模块发送对应的擦 除命令，以触发擦除控制模块擦除液晶功能书写膜对应区域的书写内容。
  7. 根据权利要求5所述的智能交互黑板，其特征在于，所述擦除控制模块与所述交互计算机系统连接，用于接收所述交互计算机系统发送的擦除指令。
  8. 一种智能交互黑板的交互计算机系统，其特征在于，包括：
    书写识别装置和显示器；所述书写识别装置加装在外设液晶功能书写膜的两侧；
    所述书写识别装置与所述显示器连接；
    所述书写识别装置检测外设液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述显示器进行显示。
  9. 根据权利要求8所述的交互计算机系统，其特征在于，包括：存储器；
    所述存储器与所述书写识别装置连接；
    所述书写识别装置检测外设液晶功能书写膜上的书写坐标信号，将书写坐标信号转换为书写内容，发送所述书写内容至所述存储器进行保存。
  10. 根据权利要求8所述的交互计算机系统，其特征在于，所述显示器上安装有液晶功能书写膜，所述液晶功能书写膜通过保护玻璃贴合在显示器上。
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