An intelligent electronic blackboard system

Abstract

The application discloses an intelligent electronic blackboard system, which comprises a hardware system and a software system, and teaching material electronic documents; the hardware system comprises a computer host and an electronic display device with a touch control function; the software system comprises a blackboard module, a material display and comment module and other auxiliary teaching modules, and further comprises a teaching material prompt module; the teaching material prompt module comprises a hidden and displayable teaching material prompt frame and a control module thereof; the prompt frame is used for presenting teaching material content; and the control module is used for opening and closing the prompt frame, moving the position of the prompt frame, calling the teaching material electronic documents and presenting the next step of teaching material content in the prompt frame, so that a teacher can conveniently see the next step of teaching content to be explained from the prompt frame, and teaching is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of multimedia teaching equipment, and particularly belongs to an intelligent electronic blackboard system with a teaching material prompting function. BACKGROUND

[0002] With the rapid development and popularization of computer technology, electronic display technology and touch technology, the teaching writing and display equipment used in classroom teaching has gradually evolved from traditional blackboards through greenboards, whiteboards, multimedia projectors, interactive electronic whiteboards to liquid crystal touch all-in-one interactive electronic whiteboards (blackboards).

[0003] The current liquid crystal touch all-in-one interactive electronic whiteboard (blackboard) has become an important part of classroom teaching in primary and secondary schools. Its application not only makes up for the shortcomings of traditional blackboards, greenboards, whiteboards and multimedia projection products in terms of writing content that cannot be memorized and electronic display resources that cannot be annotated, but also effectively integrates teaching resources and presents them to students in a scientific and reasonable manner and order, enriches classroom teaching content, stimulates students' interest in learning, and promotes teacher-student interaction in the classroom.

[0004] However, through extensive research on the use of liquid crystal touch all-in-one interactive electronic whiteboards (blackboards), it was found that when teachers use them to teach students, they still hold or place some teaching plans, outlines or books on the desk to assist teaching, which is inconvenient for the teaching process. SUMMARY

[0005] The purpose of the present application is to use an electronic blackboard to present and prompt teaching material content during the process of using an electronic blackboard for board writing teaching, instead of using a paper teaching plan, outline or book to assist teaching, thereby further improving teaching efficiency and providing teachers with a better teaching method and teaching experience.

[0006] To achieve the above purpose, the present application provides the following technical solutions:

[0007] An intelligent electronic blackboard system includes a hardware system and a software system, a teaching material electronic document; the hardware system includes a computer host and an electronic display device with touch function; the software system includes a blackboard module, a material display and annotation module and other auxiliary teaching modules; the software system further includes a teaching material prompting module for presenting and prompting the content of the teaching material electronic document for the next explanation in the teaching process. In this way, the teacher can no longer hold or place a teaching plan, outline or book on the desk to assist teaching when using an electronic blackboard to teach students.

[0008] The teaching material prompt module comprises a hidden and displayable teaching material prompt box and a control module thereof; the teaching material prompt box is used for presenting the content of the teaching material electronic document, and is in a hidden (closed) state in a default state and is in an open and displayed (opened) state to realize prompting when needed by the teacher; the closing of the prompt box is realized by a "close teaching material prompt box button" in the prompt box; the opening (opening) of the prompt box can be realized in multiple different ways, which can be a special opening button set for opening the prompt box, can be a special operation of a button of other functions in the electronic blackboard system, or can be a specified operation on the electronic blackboard, such as a special gesture or a special touch operation, etc.; the prompt box control module is used for opening and closing the prompt box, moving the position of the prompt box, and calling the teaching material electronic document and presenting the content of the next step of the teaching material in the prompt box.

[0009] The teaching material prompt box comprises a "prompt content area" for displaying the prompted content, and a moving slider in the area for marking a certain graphic text position of the material content; the moving slider can slide on the content in the "prompt content area" by dragging, and the sliding on a certain content can memorize the position of the content in the teaching material; the position can provide a starting point for prompting the teaching material when the prompt box is closed and then opened again, and can also provide a starting point for presenting or prompting the teaching material for other applications; a function control area is arranged outside the area, comprising a "close teaching material prompt box button", a "prompt content page turning button" and a "prompt box position moving button"; the "close teaching material prompt box button" is used for calling a prompt content control submodule in the prompt box control module to close the prompt box; the "prompt content page turning button" is used for calling the prompt content control submodule in the prompt box control module to turn the pages forward and backward to find the teaching prompt content; when the "prompt box position moving button" is dragged, the prompt content control submodule in the prompt box control module is called to move the prompt box to a place convenient for the teacher to watch in the visual angle;

[0010] The prompt box control module comprises a teaching material electronic document reading submodule and a prompt content control submodule; the teaching material electronic document reading submodule is used for reading teaching material electronic document content and prompting in a prompt content area of the prompt box; the teaching material electronic document reading submodule has graphic and text content extraction programs of corresponding "Word documents, PPT documents, PDF documents, real-time camera (or real object exhibition stand) image and general electronic documents in different picture formats", which are used for extracting graphic and text content of corresponding electronic documents; the teaching material electronic document reading submodule has a program for presenting the read graphic and text content in the opened prompt box "prompt content area"; when the prompt box is opened, the read graphic and text content is prompted in the prompt content area of the prompt box by page; the starting character position of the current page of the prompt content area is memorized by a moving slider of the prompt content area when the prompt box is closed last time; if the prompt box is opened for the first time, the position is the first position of the read teaching material graphic and text content; the prompt content control submodule has a moving slider function program of the prompt content area, a "close teaching material prompt box" function program, a prompt content page turning function program, a prompt box position moving function program and a prompt box opening control function program, which are respectively used for completing the moving of the moving slider of the prompt content area, the functions of the "close teaching material prompt box button", the prompt content page turning button and the prompt box position moving button and opening the prompt box. The opening of the prompt box can have multiple different methods, and the methods are as follows: 1. a special opening button can be set for opening the prompt box; 2. the opening of the prompt box can be realized by means of special operation of buttons of other functions in the electronic blackboard system; 3. a special operation such as a special gesture or a special touch operation can be defined on the electronic blackboard. When a selected opening method is selected, the prompt content control submodule has a method and a program for judging the opening of the prompt box.

[0011] The teaching material electronic document is a Word document, a PPT document, a PDF document, a real-time camera (or real object exhibition stand) image (book paper material) or a general electronic document in different picture formats.

[0012] The implementation (use) method of the above-mentioned intelligent electronic blackboard system comprises the following steps:

[0013] 1) storing the "teaching material electronic document" file on the computer hard disk of the intelligent electronic blackboard system (or storing the file on a mobile external storage device and connecting the electronic blackboard system; or opening the camera (real object exhibition stand) and connecting the electronic blackboard system, and copying a special icon file representing the camera to the computer desktop (at this time, the "teaching material electronic document" is a book paper image taken by the camera (real object exhibition stand) in real time));

[0014] The "teaching material electronic document" is a Word document, a PPT document, a PDF document, a camera (physical exhibition stand) real-time taken book paper image and a general electronic document file in different picture formats;

[0015] 2) Turn on the intelligent electronic blackboard system with data prompt function, and call the teaching material electronic document reading submodule in the teaching material prompt box control module during the opening process. The "teaching material electronic document reading submodule" selects the "teaching material electronic document" and reads its graphic content, processes the content into computer variable usable text content and image content, and puts these contents into computer variables. The specific steps are as follows:

[0016] a. The teaching material electronic document reading submodule first displays a file opening dialog box to assist the teacher in selecting the "teaching material electronic document" file on the hard disk or other mobile external storage. If the book paper material content on the camera (physical exhibition stand) is used, a special icon file representing the camera on the desktop is selected.

[0017] b. According to the type of the selected "teaching material electronic document", the corresponding "Word document, PPT document, PDF document, camera (physical exhibition stand) image and general electronic document in different picture formats" graphic content extraction program is called;

[0018] c. The corresponding graphic content extraction program transmits the extracted graphic content to the computer variable. When the teaching material prompt box is opened (opened), the read graphic content is presented in the opening prompt box "prompt content area" for teaching.

[0019] 3) The blackboard module presents the blackboard;

[0020] 4) When the teacher needs to prompt the teaching material content, open the teaching material prompt box (its opening can have multiple methods: 1. A special opening button can be set to open the prompt box, and it can be opened by clicking it; 2. It can also be opened by means of a special operation of the button of other functions in the electronic blackboard system; 3. It can be opened by a certain operation on the electronic blackboard, such as a certain special gesture or a certain special touch operation, etc. When a certain opening method is selected, the prompt content control submodule has a method and program to judge the opening of the prompt box). When the "teaching material prompt box" is opened and displayed on the blackboard interface, the read graphic content is presented in the opening prompt box "prompt content area", and the next explanation content is presented in the "teaching material prompt box". The starting character position of the current page of the "prompt content area" of the prompt box is memorized by the moving slider of the "prompt content area" when the prompt box is closed last time. If the prompt box is opened for the first time, this position is the first position of the read teaching material graphic content.

[0021] 5) When the teacher writes on the blackboard in the presence of the "teaching material prompt box", the blackboard module calls the "prompt box position moving" function program in the prompt content control sub-module in the prompt box control module, and automatically moves the teaching outline content prompt box to a position convenient for the teacher to watch according to the writing position;

[0022] 6) The "teaching material prompt box" control module completes the corresponding functions of the "close teaching outline content prompt box button", the "prompt content page turning button", the "prompt box position moving button" and the moving slider of the "teaching material prompt box", and the steps are as follows:

[0023] a. Clicking the "prompt content page turning button" in the "teaching outline content prompt box" can sequentially find the teaching outline prompt content forward and backward; dragging the "prompt box position moving button" can move the "teaching outline content prompt box" to a visual range convenient for the teacher to use;

[0024] b) When the teaching material prompt is not needed, clicking the "close material prompt box button" can close the "teaching material prompt box", and before closing, the teacher can move the slider according to the next step of the teaching outline content to remember the position of the next step of the teaching outline content;

[0025] Compared with the prior art, the beneficial effects of the present application are: the intelligent electronic blackboard system of the present application includes a teaching material prompt module for presenting and prompting the teaching material electronic document content of the next step of the teaching process, which saves the past situation that the teacher holds or places the teaching outline, outline or book used for teaching on the desk when using the electronic blackboard to teach students. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 Hardware system connection diagram of the present application

[0027] Figure 2 Software system composition diagram of the present application

[0028] Figure 3 Opening and closing diagram of the teaching material prompt box

[0029] Figure 4 Teaching material prompt box diagram

[0030] Figure 5 Internal diagram of the teaching material electronic document reading sub-module and the prompt content control sub-module

[0031] Figure 6 Teaching material prompt box automatically moving to a position convenient for the teacher to watch

[0032] Figure 7Drag the "prompt box position moving button" to move the "teaching outline content prompt box" to the visual range of the teacher's convenience DETAILED DESCRIPTION

[0033] The scheme of the present application is further described in detail below in combination with the drawings.

[0034] An intelligent electronic blackboard system includes a hardware system and a software system, and a teaching material electronic document; the teaching material electronic document in this case is a word electronic document, and the file name is "teaching material.docx"; the hardware system includes an OPS plug-in computer host with multiple display cards, and two liquid crystal touch all-in-one machines with touch functions, as shown in the drawings, and their connection relationship is as follows: the OPS plug-in computer host is inserted into one of the liquid crystal touch all-in-one machines, the HDMI output of the OPS plug-in computer host is connected to the HDMI input of the other liquid crystal touch all-in-one machine, and the USB input interface of the OPS plug-in computer host is connected to the touch signal output interface of the other liquid crystal touch all-in-one machine; the software system includes a double blackboard module, a double-screen data display and annotation module, and other auxiliary teaching modules; the software system further includes a teaching material prompt module, as shown in the drawings, which is used to present and prompt the teaching material electronic document content for the teacher in the teaching process. In this way, the teacher can no longer need to hold or place the teaching outline, outline or book used for teaching in the hand or on the desk to assist in teaching when using the electronic blackboard to teach students. Figure 1 Figure 1 The teaching material prompt module includes a hidden and displayable teaching material prompt box and a control module thereof, as shown in the drawings; the teaching material prompt box is used to present the teaching material electronic document content on the blackboard, as shown in the drawings, and is in a hidden (closed) state by default, as shown in the drawings, and is in an open, display (opened) state to achieve prompting when needed by the teacher, as shown in the drawings; the closing of the prompt box is realized by the "close teaching material prompt box button" in the prompt box, as shown in the drawings; when it is needed to open the prompt box at a certain position, there are multiple methods described in the specification, and in this embodiment, the prompt box is opened by a double-finger downward sliding gesture at the position on the blackboard, as shown in the drawings. The prompt box control module is used to open and close the prompt box, move the position of the prompt box, and call the electronic document and present the teaching material content for the next explanation in the prompt box, as shown in the drawings.

[0035] The teaching material prompt box, as shown in the drawings, includes a hidden and displayable teaching material prompt box and a control module thereof, as shown in the drawings; the teaching material prompt box is used to present the teaching material electronic document content on the blackboard, as shown in the drawings, and is in a hidden (closed) state by default, as shown in the drawings, and is in an open, display (opened) state to achieve prompting when needed by the teacher, as shown in the drawings; the closing of the prompt box is realized by the "close teaching material prompt box button" in the prompt box, as shown in the drawings; when it is needed to open the prompt box at a certain position, there are multiple methods described in the specification, and in this embodiment, the prompt box is opened by a double-finger downward sliding gesture at the position on the blackboard, as shown in the drawings. The prompt box control module is used to open and close the prompt box, move the position of the prompt box, and call the electronic document and present the teaching material content for the next explanation in the prompt box, as shown in the drawings. Figure 2 Figure 4 Figure 3 B Figure 3 A Figure 4 Figure 3 B Figure 5

[0036] The teaching material prompt box, as shown in the drawings, includes a hidden and displayable teaching material prompt box and a control module thereof, as shown in the drawings; the teaching material prompt box is used to present the teaching material electronic document content on the blackboard, as shown in the drawings, and is in a hidden (closed) state by default, as shown in the drawings, and is in an open, display (opened) state to achieve prompting when needed by the teacher, as shown in the drawings; the closing of the prompt box is realized by the "close teaching material prompt box button" in the prompt box, as shown in the drawings; when it is needed to open the prompt box at a certain position, there are multiple methods described in the specification, and in this embodiment, the prompt box is opened by a double-finger downward sliding gesture at the position on the blackboard, as shown in the drawings. The prompt box control module is used to open and close the prompt box, move the position of the prompt box, and call the electronic document and present the teaching material content for the next explanation in the prompt box, as shown in the drawings. Figure 4 ​​​​​The prompt content area is provided with a moving slider for marking a certain position of the text and image of the teaching material. The moving slider can slide on the content in the prompt content area by dragging. When the moving slider slides on a certain content, the position of the content in the teaching material can be memorized. The position can provide a starting point for prompting the teaching material when the prompt box is opened again, or can provide a starting point for presenting or prompting the teaching material for other applications. The top function control area is provided outside the prompt content area, and the top function control area is provided with a "close teaching material prompt box button", a "prompt content page turning button" and a "prompt box position moving button" (as shown in Figure 4 The "close teaching material prompt box button" is used to call the prompt content control submodule in the prompt box control module to close the prompt box. The "prompt content page turning button" is used to call the prompt content control submodule in the prompt box control module to turn the pages forward and backward to find the teaching prompt content. When the "prompt box position moving button" is dragged, the prompt content control submodule in the prompt box control module is called to move the prompt box to a place convenient for the teacher to watch.

[0037] The prompt box control module comprises a teaching material electronic document reading submodule and a prompt content control submodule (as shown in Figure 5 The teaching material electronic document reading submodule is used to read the content of the teaching material electronic document and prompt the content in the "prompt content area" of the prompt box. The teaching material electronic document reading submodule is provided with text and image content extraction programs of corresponding "Word documents, PPT documents, PDF documents, real-time camera (or real object exhibition) images and general electronic documents in different picture formats" (as shown in Figure 5 The teaching material electronic document reading submodule is provided with a program for presenting the read text and image content in the "prompt content area" of the opened prompt box (as shown in Figure 5 The read text and image content is prompted in the "prompt content area" of the prompt box by pages when the prompt box is opened. The starting character position of the current page of the "prompt content area" of the prompt box is memorized by the moving slider of the "prompt content area" when the prompt box is closed last time. If the prompt box is opened for the first time, the position is the first position of the read text and image content of the teaching material. The prompt content control submodule (as shown in Figure 5As shown), the program includes a slider function for the "prompt content area," a "close teaching material prompt box" function, a "prompt content page turning" function, a "prompt box position movement" function, and a "prompt box opening control" function. These functions are used to move the slider in the "prompt content area," close the teaching material prompt box, turn the prompt content page, and move the prompt box, respectively, and to open the prompt box. There are several ways to open the prompt box. In this example, when the prompt box needs to be opened at a certain position, it is opened by sliding two fingers down at that position on the blackboard. When an opening method is selected, the prompt content control submodule contains a corresponding method and program for determining whether the prompt box is open. In this example, the prompt content control submodule contains a method and program for determining whether the prompt box is open that works in conjunction with the two-finger downward sliding gesture (e.g., ...). Figure 5 (As shown).

[0038] The teaching materials can be Word documents, PPT documents, PDF documents, images captured in real time by a camera (or document camera) (paper materials), or general electronic documents in different image formats. In this example, it is a Word document with the file name "teaching materials.docx".

[0039] The above-mentioned method for implementing (using) an intelligent electronic blackboard system includes the following steps:

[0040] 1) Save the "Teaching Materials Electronic Document" file (in this example, "Lecture Materials.docx") to the computer hard drive of the intelligent electronic blackboard system (or save it on a USB flash drive and insert it into the electronic blackboard system);

[0041] The "electronic teaching materials" mentioned above can be Word documents, PPT documents, PDF documents, real-time images of books captured by a camera (document camera), and general electronic document files in different image formats;

[0042] 2) Turn on the intelligent electronic blackboard system with the data prompt function. During the turn-on process, the system calls the teaching data electronic document reading submodule in the teaching data prompt box control module. In the "teaching data electronic document reading submodule", select "teaching materials.docx" and read its text and image content. Process its content into text and image content that can be used by computer variables and put these contents into computer variables. The specific steps are as follows;

[0043] a. The electronic document reading module for teaching materials first displays a file open dialog box to assist teachers in selecting the "teaching materials.docx" file from their hard drive or other removable external storage devices.

[0044] b. According to the selected "teaching material electronic document" type, call the corresponding "Word document image-text content extraction program";

[0045] c. The word document image-text content extraction program passes the extracted image-text content to the computer variable. When the teaching material prompt box is opened, the read image-text content is presented in the opened prompt box "prompt content area" for teaching;

[0046] 3) The double blackboard module presents the blackboard, as shown in Figure 3 B;

[0047] 4) When the teacher needs to prompt the teaching material content at a certain position on the blackboard, the double-pointing downward sliding gesture opens the teaching material prompt box, as shown in Figure 3 B. The prompt content control submodule has a method and program for judging the opening of the prompt box. When the teaching material prompt box is opened and displayed on the blackboard interface, the read image-text content is presented in the opened prompt box "prompt content area", and the next step of the teaching material prompt box is presented. The starting character position of the current page of the "prompt content area" of the prompt box is memorized by the moving slider of the "prompt content area" when the prompt box is closed last time. If the prompt box is opened for the first time, the position is the first position of the read teaching material image-text content, as shown in Figure 3 A.

[0048] 5) In the case of "teaching material prompt box" presentation, when the teacher writes on the blackboard, the blackboard module calls the "prompt box position moving" function program in the prompt content control submodule of the prompt box control module, and automatically moves the teaching material content prompt box to the position convenient for the teacher to watch, as shown in Figure 6

[0049] 6) The "teaching material prompt box" control module completes the corresponding functions of the "close teaching material content prompt box button", "prompt content page turning button", "prompt box position moving button" and moving slider of the "teaching material prompt box", as follows:

[0050] a. Clicking the "prompt content page turning button" in the "teaching material content prompt box" can sequentially find the teaching material prompt content forward and backward; dragging the "prompt box position moving button" can move the "teaching material content prompt box" to the visual range convenient for the teacher to use, as shown in Figure 7

[0051] b. When the teaching material prompt is not needed, click the "close data prompt box button" to close the "teaching material prompt box", as shown in Figure 3 A, Figure 3 ​​As shown in B, before closing, the teacher can move the slider according to the next step of explanation needs, and move the position of the next step of explanation content in the memory teaching course.

Claims

1. An intelligent electronic blackboard system, comprising a hardware system and a software system, and an electronic document of teaching materials; the hardware system comprises a computer host and an electronic display device with touch function; the software system comprises a blackboard module, a materials display and annotation module, and other auxiliary teaching modules; characterized in that, The software system further comprises a teaching material prompting module for presenting and prompting the content of the next teaching material electronic document to the teacher in the teaching process. The teaching material prompting module comprises a hidden and displayable teaching material prompting box and a control module thereof; the teaching material prompting box is used for presenting the content of the teaching material electronic document; and the prompting box control module is used for opening, closing, and moving the position of the prompting box, and calling the teaching material electronic document and presenting the content of the next teaching material in the prompting box. The teaching material prompting box comprises a "prompting content area" for displaying the prompted content, a moving slider in the area for marking a certain position of the graphic text content, and a function control area outside the area, having a "close teaching material prompting box button", a "prompting content page turning button", and a "prompting box position moving button". The prompting box control module comprises a teaching material electronic document reading sub-module and a prompting content control sub-module; the teaching material electronic document reading sub-module is used for reading the content of the teaching material electronic document and prompting in the "prompting content area" of the prompting box; and the prompting content control sub-module is used for completing the functions of the moving slider in the "prompting content area", the "close teaching material prompting box button", the "prompting content page turning button", and the "prompting box position moving button", and opening the prompting box. The teaching material electronic document reading sub-module selects the "teaching material electronic document", reads the graphic text content thereof, processes the content into computer variable usable text content and image content, and places the content into the computer variable.

2. The smart electronic whiteboard system of claim 1, wherein, The teaching material electronic document is a Word document, a PPT document, a PDF document, a camera real-time taken image, or a general electronic document in different picture formats.

3. The method of using an intelligent electronic whiteboard system of claim 1, wherein, The method comprises the following steps: 1) storing the "teaching material electronic document" file in the computer of the intelligent electronic blackboard system, or connecting the "teaching material electronic document" carrier to the computer of the electronic blackboard system, or connecting the camera to the computer of the electronic blackboard system, and copying a special icon file representing the camera to the desktop of the computer; 2) opening the intelligent electronic blackboard system with the material prompting function, and calling the teaching material electronic document reading sub-module in the teaching material prompting box control module in the opening process, selecting the "teaching material electronic document", reading the graphic text content thereof, processing the content into computer variable usable text content and image content, and placing the content into the computer variable; 3) presenting the blackboard by the blackboard module; 4) when the teacher needs the teaching material content prompting, opening the teaching material prompting box, and presenting the read graphic text content in the "prompting content area" of the prompting box when the "teaching material prompting box" is opened and displayed on the blackboard interface; 5) in the case of presenting the "teaching material prompting box", the teacher completes the functions provided by the "teaching material prompting box" through the "teaching material prompting box" control module according to the needs.

4. The method of using an intelligent electronic blackboard system of claim 3, wherein, The "teaching material electronic document" is a Word document, a PPT document, a PDF document file, a book paper image or a general electronic document file in different picture formats taken by a camera in real time.

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