CN101780745A - Flat-panel display and multimedia integrated combined blackboard - Google Patents
Flat-panel display and multimedia integrated combined blackboard Download PDFInfo
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- CN101780745A CN101780745A CN200910251635A CN200910251635A CN101780745A CN 101780745 A CN101780745 A CN 101780745A CN 200910251635 A CN200910251635 A CN 200910251635A CN 200910251635 A CN200910251635 A CN 200910251635A CN 101780745 A CN101780745 A CN 101780745A
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Abstract
The invention discloses audio-visual teaching equipment and in particular discloses a large screen flat-panel display and multimedia integrated combined blackboard. The combined blackboard comprises the following four parts: a translational open-close type blackboard, a large screen flat-panel display and multimedia player system, a blackboard frame type wireless speaker amplifying system and a photoelectric wireless mouse with the function of a pointer. The combined blackboard is the third generation teaching blackboard which appears for the first time and is based on combination of the flat-panel display and the common blackboard, following the first generation common writing blackboards and the second generation multimedia projector electronic whiteboards. Having the technology, performance, cost, use and maintenance advantages, the combined blackboard has high application and popularization value and large market space. The combined blackboard can realize the effect of synchronously carrying out multimedia player teaching and common blackboard writing teaching in bright classrooms.
Description
Technical field:
The invention belongs to a kind of audiovisual teaching equipment, is a kind of integrated large screen flat plate display multimedia combined type blackboard specifically.
Background technology:
At present, in classroom, meeting room, Conference Hall, lecturing used teaching equipment one class is that (the broad sense blackboard is the general designation to the demonstrator that has repeatedly erase function to common blackboard, it comprises blackboard, green plate, blank etc., " blackboard " mentioned herein all refers to this type of demonstrator), also having a class is to adopt the multimedia education system of computer+video projector.Normal blackboard has direct, easy smoothness, the characteristics with low cost passed on; And the multimedia overhead projector system has characteristics such as logic is good, intuitive is strong, media play is lively, as replenishing of blackboard writing on the blackboard, has brought into play important function really to improving teaching efficiency.But, projection teaching itself also exists a lot of limitation and deficiency, at first be that device category is many, connect and complex operation: the standard set multimedia education system comprises projecting apparatus, projection screen, computer, console, power amplifier, audio amplifier etc. at least, high-grade slightly video presenter, wireless microphone, the sound console etc. of also comprising.These equipment UNICOMs and coupling generally need after the training could proper operation, and the configuration of different multimedia classroom furniture usually there are differences, and the user is difficult to skilled use the common short time; Secondly, simple PPT lantern slide projection teaching mainly is " representing " function, is difficult to replace the teacher and utilizes traditional blackboard to do the explanation pattern of rational analysis, has more limited the on-the-spot of teacher and has freely brought into play.Therefore, simple multimedia teaching is considered to and does not meet most of course and teaching cognitive law and teacher's teaching custom, has only blackboard and the two combination of multimedia overhead projector just can be obtained best teaching efficiency.But, because the indoor brightness of projecting apparatus job requirement is very low, causes and write on the blackboard and read and can't realize, and if the light and shade environment alternately switches, not only time-consuming bothersome, also can disperse the notice of Faculty and Students, influence teaching efficiency.The 3rd, if multimedia overhead projector instrument price height, the short classroom that is used for of bulb life also will adapt to requirements such as frequency of utilization height, the content of courses is various, the many hands of people are assorted, therefore, guarantee the serviceability rate of these equipment and security, need very big maintenance and management input usually.The 4th, the multimedia overhead projector tutoring system takes up room greatly, the Projection Display effect is subjected to equipment state and ambient influnence very big and be difficult to obtain the high definition image quality, and television reception and music reverberation amusement function are limited.
In recent years, in documents and materials (200720120762) " a kind of large-screen interactive formula electronic whiteboard ", a kind of bidirectional projection's teaching equipment based on electronic whiteboard has been proposed, but just increased the two-way interactive function of electronic whiteboard, remained projection teaching, and equipment is complicated and expensive more; Another piece documents and materials: in " driven blackboard of charged sub-display screen " (200810160362.1), proposed electronic curtain is moved in orbit, avoided the projection radical occlusion device, the concept obfuscation of electrical screen not only, and it is dark to solve classroom light, influences the black board teaching problem.
Development along with digital display technique, begin this century, obtain development at full speed with plasma display (Plasma Display Panel is called for short PDP) and LCD (Liquid Crystal Display is called for short LCD) for the giant-screen flat panel display of representative.Simultaneously, surface-conduction-electron emission display (Surface Conduction ElectronEmitter, abbreviation SED), organic/polymer led display (Organic/Polymer Light EmittingDiode, be called for short OLED/PLED) etc. the novel flat-plate Display Technique also enter the application stage, these flat-panel monitors have characteristics such as complete flat, ultra-thin, high brightness, high-resolution, digitlization, large format, low-power consumption, are just becoming the leading equipment of following display application.At present, 40～60 inches giant-screen and jumbotron PDP and extensively flow into the market places of LCD display (screen), and also price has competitiveness.More the commercialization flat-panel monitor more than the large-size direct to 100 inch also occurs.Can predict: the large screen flat plate display epoch arrive, and the flat panel display systems that adopts jumbotron directly to show also will progressively replace large screen projector, becomes new display application bright spot.
On the other hand, also obtained swift and violent development by the high sharpness video digitizing technique that computer and electronic technology promote, particularly based on personal computer (Personal Computer, abbreviation PC) high-definition digital platform occurs, and has brought the high-definition multimedia technology into computer and internet arena.The Intel N330+nVIDIA ION platform of releasing at the beginning of 2009 more advances home theater computer (Home Theater Personal Computer is called for short HTPC) to low-power consumption, miniaturization, high-performance, low cost.Traditional home audio-visual playback equipment and media resource will soon be broadcast based on the high sharpness video of computer platform and are obtained form with the Internet media and replace.
In sum, because prior art and equipment existence: equipment disperses, management uses inconvenience, multimedia and blackboard writing on the blackboard to be difficult to work in coordination with shortcomings such as use.Need to substitute existing blackboard for education and optical projection system,, promote the teaching efficiency and the quality of education with practicality and the scientific and technological content that improves modern audiovisual teaching equipment with new technology and new equipment.
Summary of the invention:
At above-mentioned problems of the prior art, the objective of the invention is to propose a kind of flat-panel display and multimedia integrated combined blackboard, it can be managed equipment concentratedly, makes the collaborative use of multimedia and blackboard writing on the blackboard.
The technical scheme that the present invention is taked for its purpose of realization: with large screen flat plate display and mobile blackboard combination, miniature PC platform is connected with other electronic equipment all to place constitutes integral system on the blackboard, mainly be made of four parts: box-like blackboard is opened in translation; The flat-panel display and multimedia Play System; The wireless public address system of blackboard frame type loudspeaker; The wireless mouse of band teacher's pointer function.Also can be with advancing to dispose Wireless Keyboard.
The present invention places translation to open the centre position at box-like blackboard rear portion large screen flat plate display; opening box-like blackboard is made up of the identical blackboard of two block sizes; two blackboards place between the lower guideway and can move in same plane left and right horizontal; when not needing multimedia teaching, indicator screen by two mobile blackboard coverings to realize effective protection.When needs adopted multimedia teaching, opening lock catch and mobile left and right sides blackboard were to two limits, and whole large screen flat plate display appears, and realized displaying video, picture, PPT magic lantern, reception TV, online and other computer applications.Flat-panel monitor is as the part of combined blackboard, when using blackboard to write and explain, can also the play multimedia content of courses, and blackboard writing and teaching pattern and The multimedia educational model can be used separately also and can carry out synchronously.The present invention is designed to sound column with the left and right side frame of blackboard, can cooperate with reverberation circuit with the wireless power amplifier of inside to realize sound amplification function.The further broadening of sound field when blackboard moves.In addition, input equipment uses the wireless optical mouse and the Wireless Keyboard of band teacher's pointer function, and system's operation is very simple and convenient.Wireless mouse adopts the wireless optical mouse with infrared teacher's pointer and automatic charge function, the infrared laser launch window is set on the mouse, and is provided with the teacher's pointer button, front and back turnover key, charging contact.Described wireless mouse and Wireless Keyboard can be placed respectively in mouse storehouse and the keyboard storehouse, are provided with USB interface in mouse storehouse or keyboard storehouse.
Characteristics of the present invention are to adopt direct display mode, and equipment such as large screen flat plate display and whole hardware-software and common writing blackboard are constituted integrated apparatus.Owing to adopt high definition resolution ratio and high brightness directly to show, though display screen is littler than conventional projector screen, but the field research effect is very desirable, can satisfy middle-size and small-size meeting-place and classroom uses, for large-scale classroom, display screen among the present invention can adopt the multi-screen splicing pattern, also can use larger sized single screen mode to realize.Equipment such as radio loudspeaker, embedded computer board and television reception and display driving all place the inside of blackboard, leave necessary external interface and adjusting knob on the blackboard, and the logical civil power of going up gets final product work.The present invention is behind the common writing blackboard of the first generation and second generation multimedia overhead projector and electronic whiteboard, the third generation blackboard for education based on flat-panel monitor and normal blackboard combination that occurs first.
Beneficial effect of the present invention: the present invention utilizes up-to-date science and technology, has complete function, simple to operate, superior performance, manage and protect advantage easily.Because this contrive equipment uses under bright room environmental, in multimedia teaching, can carry out the blackboard traditional instruction synchronously, can allow Faculty and Students' cathexis in giving lessons itself, equipment operational ton and maintenance all drop to minimum, therefore satisfy the teaching requirement to greatest extent, meet the teaching custom, thereby improve teaching efficiency and improve the quality of teaching.In addition, native system possesses television reception, supports that full HD (1920 * 1080P) video playback and high-fidelity sound are play and had the wireless reverberation function that amplifies, and can also use as the education and the amusement equipment of school or unit.Owing to integrate technology, performance, cost, working service advantage, the present invention has the very strong application and popularization value and the market space.
Description of drawings
The present invention is described in more detail below in conjunction with the drawings and specific embodiments.
Fig. 1: box-like blackboard structure schematic diagram is opened in translation;
Fig. 2: Fig. 1 side view;
Fig. 3: carrying top board structure schematic diagram;
Fig. 4: band lower railway base arrangement schematic diagram;
Fig. 5: giant-screen multi-media display structure chart;
Fig. 6: display is installed wall frame schematic diagram;
Fig. 7: teacher's pointer formula wireless mouse structural representation, wherein (a): mouse left surface schematic diagram, (b): the mouse bottom schematic view;
Fig. 8: embodiment of the invention circuit block diagram;
Fig. 9: the embodiment of the invention two structural representations.
Among the figure: 1, carrying top board; 2, body of wall; 3, blackboard; 4, rolling pulley external member; 5, upper rail; 6, V-type roller external member; 7, band lower guideway base plate; 8, metal postive stop baffle; 9, blackboard lock; 10, the concavo-convex seam of blackboard; 11, large screen flat plate display; 12, switch board; 13, wireless mouse storehouse; 14, Wireless Keyboard storehouse; 15, USB interface and AV interface; 16, power panel; 17, computer main frame panel; 18, drive control panel; 19, wireless amplifying and the power amplifier plate; 20, display connects backboard; 21, seam; 22, guide groove; 23, display control handle; 24, center-channel speaker; 25, speaker; 26, radio loudspeaker control handle; 27, infrared laser launch window; 28, teacher's pointer button; 29, front and back turnover key; 30, charging contact; 31, direction recess; 32, location pit.
The specific embodiment:
Embodiment one
The specific embodiment of the invention: have four parts and form, i.e. box-like blackboard is opened in i. translation; Ii. FPD multimedia play system; Iii. the wireless public address system of blackboard frame type loudspeaker; Iv. with the photoelectricity wireless mouse (but additional configurations Wireless Keyboard) of teacher's pointer function.Now be illustrated item by item:
I. box-like blackboard is opened in translation
Fig. 1 is that box-like blackboard structure schematic diagram is opened in translation: carrying top board 1 is the high-strength alloy section bar, and is fixing by swell fixture and body of wall 2.Two side blackboards 3 adopt the green varnish board of length * height=1.5m * 1m to add high strength swimming aluminum alloy frame about identical size, and lower guideway double supporting structure in the employing guarantees that motion is smooth and easy.The top is equipped with rolling pulley external member 4, and pulley and blackboard are bound up in the upper rail 5 of top board and can smooth-goingly slide.The bottom of blackboard has the V-type guide groove, two pairs of V-type rollers 6 of fixed installation in the guide groove of every blackboard.Base plate 7 is the alloy profiles that have the triangular form guide rail, and pulley and Guide Rail Design are to guarantee that blackboard does side-to-side movement respectively and do not move forward and backward in last lower guideway.At the rear portion of two blackboards a metal postive stop baffle 8 is installed respectively.When blackboard moves to display when all appearing the position separately to the left and right, metal baffle contacts with the permanent magnet that is fixed on metope and slight adhesive, keeps blackboard to maintain static.After multimedia is used and is finished, as long as slightly firmly can blackboard is involutory again.The binding site design of two blackboards has concavo-convex seam 10, and dust is gone into from seam Seepage when being used to prevent closure.On 9, blackboards of involutory frame middle part installation blackboard lock of two blackboards mechanical lock is installed, another piece is installed locking bar, drives latch hook and locking bar fastening when lock core rotates, and guarantees that the flat-panel monitor of blackboard back is used safely, referring to Fig. 1-4.
Ii. embedded type giant-screen FPD multimedia play system
Large screen flat plate display 11 can adopt LCDs (LCD), plasma panel (PDP) and organic/polymerization light emitting display (OLED/PLED) and surface conductive display screen (SED) etc., it is contour or smaller with blackboard that the height of display keeps, display is connected on the high definition computer system, be implemented in carrying out synchronously of teaching of multimedia under the bright room environmental and normal blackboard traditional instruction, it is positioned at the centre of whole device, and 52 inches of employings, resolution ratio are 1920 * 1080 LCDs in the present embodiment.Outside at display increases safety glass or polyester protection screen, prevents to use careless scuffing display screen.Characteristics such as LCD has resolution ratio height, rich color, power saving, image is undistorted and dimensions is abundant are suitable as indoor multimedia teaching facility very much.This display outer rim is of a size of 1.26m * 0.75m, and thickness is 0.10m, and the rack volume of large screen display bottom is 1.26m * 0.25m * 0.10m, and entire circuit intralamellar part layout as shown in Figure 5.Now the present embodiment schematic block circuit diagram is provided and specifies in conjunction with Fig. 8:
Computer motherboard adopts up-to-date Intel ATOM N330+Nvidia ION platform, the 250G hard disk, and 2GB DDR2 internal memory, the TV card of a band of pci expansion slot interpolation AV input terminal has 5 USB2.0 interfaces, a HDMI interface, a VGA interface.Windows7.0 operating system and OFFICE software are installed, are moved self-designed start menu and select the interface, enter in every function.Menu option comprises: PPT broadcast, television reception, HD video are play, picture shows, Internet surfs the Net, return desktop etc.
Iii. the wireless public address system of blackboard frame type loudspeaker
Principal character of the present invention is that wireless public address system is integrated in the equipment, wireless public address system adopts independently-powered, when not using multi-media display, still can work independently, power amplifier adopts the design of high-fidelity 2.1 sound channels, left and right sides sound equipment and blackboard frame are integrated, adopt narrow type sound column mode, loudspeaker are placed in the cavity of outer rim inside, the left and right sides of blackboard, have in a row tiny sound penetrating hole on the frame.The loudspeaker lead is drawn in the frame groove of blackboard rear portion.Mid-sound equipment 24 is installed in the rack of display bottom, adopts a middle bass horn, from front shroud sound penetrating hole sounding.The wireless receive frequency that amplifies adopts VHF or UHF wave band, quartzy frequency stabilization, realizes 20 meters in effectively reception.Wireless public address system is supported tie clip formula, wear-type and portable wireless microphone, supports multifrequency point to select.The power supply of wireless public address system is controlled separately, inner center channels and left and right acoustic channels are powered respectively, radio loudspeaker switch and control handle 26 are positioned at outside the preceding lower casing of switch board, do not using under the multimedia conventional black board teaching pattern, can use wireless public address set, just this moment, mid-sound equipment was not worked yet.When play multimedia, design by power amplifier and audio amplifier post constitute 2.1 sound channel high fidelity sound systems with the sound field mode of extension that blackboard moves.Design simultaneously has sound mixing function, when can guarantee that teaching amplifies, has expanded entertainment applications such as movie theatre effect and Karaoke.
Display is blocked fully by two blackboards about the front at ordinary times and obtains effective protection.When the user need use multimedia teaching, blackboard was removed to the left and right, and display occupies the centre position.Referring to shown in Figure 1: be switch board 12 below the display, it is covered by front housing.Wired/wireless mouse storehouse 13 and keyboard storehouse 14 on the casing, inside, mouse storehouse is provided with USB interface and AV interface 15.Control box inside is by power panel 16, computer main frame panel 17 and drive control panel 18 and wireless amplifying and power amplifier plate 19, these integrated circuit boards are fixed on the internal rack, and TV RF input cable, grid line and the DVI line that leads to display reliably connect in inside.Shown in Fig. 5-6, large screen display is fixed on the wall frame by the display connection backboard 20 at rear portion, the display walls frame is fixed on the metope with swell fixture, slot 22 on the wall frame and seam 23 assurance displays are accurately gone into the position, and display power supply and brightness regulation control handle 23 are positioned at the display lower frame.
Iv. with the photoelectricity wireless mouse and the Wireless Keyboard of teacher's pointer function
Mouse is important input equipment in the multimedia teaching, and wireless mouse adopts inner lithium battery power supply, automatically charging, mouse and keyboard all adopt the transmission of 2.4G frequency wireless, non-directive, microminiature wireless receiver are installed in the inner USB interface, can guarantee effectively control in 10 meters scopes.As shown in Figure 7, the mouse Front-end Design has infrared laser launch window 27 and teacher's pointer button 28, realize the laser pointer function, international safety standard Class II laser instrument is satisfied in employing, turnover key 29 before and after simultaneously wireless optical mouse is also integrated, control page turning and to the switching of television channel when being convenient to the PPT teaching.If do not do a large amount of input operations, keyboard can omit, and perhaps imports with the mouse replacing key-press by soft keyboard on the screen.Infrared laser launch window (27) is installed in the front end of mouse, and front and back turnover key (29) is contained near the thumb contact position of mouse.
The mouse front end also is provided with two charging contacts 30, has the automatic charge function that puts in storage.The mouse bottom is provided with a deviation correcting device of going into of direction recess 31 and location pit 32, cooperate the projection structure of bottom, mouse storehouse to guarantee that mouse correctly enters the mouse position in storehouse, at this moment, charging contact in the wireless mouse storehouse 13 is connected with the charging contact on the mouse, system charges for mouse automatically, to guarantee that mouse can not influence teaching because of short of electricity.System's charging circuit adopts intelligent charger, can prevent contact short and the phenomenon of overcharging.
The Wireless Keyboard storehouse 14 that is positioned at the mouse bottom is except that placing the keyboard, also can place portable hard drive or radio microphone, before mouse puts in storage, must take out the mobile memory in the storehouse, otherwise, mouse can't be put back to original position, and this design is to guarantee that the user can not forget mobile memory after using up equipment.
Multimedia play system adopts computer platform, support 1920 * 1080 full HD line by line demonstrations, adopt the OSD menu of design voluntarily to select, realize PPT teaching, HD video broadcast, Internet online, picture browsing and television reception and general computer applied algorithm operation.
Embodiment two
Different with example one is, display has adopted 72 inch PDP plasma displays, and plasma display has characteristics such as brightness height, rich color, visual angle are wide, hard screen, because screen size is big, can satisfy more large tracts of land environment: as uses such as lecture theaters, this routine structure chart is referring to Fig. 9.
Blackboard adopts two 2m * 1.2m blackboard combination, and PDP display screen developed width is 1.6m * 1.2m, and height of display is identical with the blackboard height, so display occupy the blackboard middle part, upper and lower side frame is consistent with the blackboard upper and lower side frame.Circuit board among the embodiment one in the switch board moves on to the rear portion of blackboard.USB interface and radio loudspeaker gauge tap and knob place the base plate bottom.
Claims (6)
1. flat-panel display and multimedia integrated combined blackboard, it is characterized in that this combined blackboard is made up of four parts: the wireless mouse of box-like blackboard, flat-panel display and multimedia Play System, the wireless public address system of blackboard frame type loudspeaker and band teacher's pointer function is opened in translation; Box-like blackboard is opened in described translation, but is blackboard (3) formation by two left and right sides translations; Flat-panel monitor (11) in the described flat-panel display and multimedia Play System is fixed on the wall frame of blackboard (3) rear portion; The wireless public address system of described blackboard frame type loudspeaker, it is wireless, and the sound column (25) that cooperates with reverberation that amplifies is located in the outer rim of blackboard (3) left and right sides.
2. flat-panel display and multimedia integrated combined blackboard according to claim 1, it is characterized in that described blackboard (3) size is identical, place lower guideway, the relative position binding site of blackboard (3) is provided with mechanical lock, the blackboard rear portion is provided with postive stop baffle (8), and two blackboard joint portion frames are provided with concavo-convex dustproof construction (10).
3. flat-panel display and multimedia integrated combined blackboard according to claim 1 is characterized in that described flat-panel monitor (11) adopts LCD (LCD), plasma display (PDP) or organic/polymer led display (OLED/PLED) and surface-conduction-electron emission display (SED).
4. flat-panel display and multimedia integrated combined blackboard according to claim 1 is characterized in that the described wireless sound column (25) that amplifies and cooperate with reverberation, supports wireless sound amplification function when black board teaching; Sound column is with blackboard move left and right broadening sound field with multimedia teaching the time, and mid-sound equipment work forms 2.1 sound channels sound effect.
5. flat-panel display and multimedia integrated combined blackboard according to claim 1, the wireless mouse that it is characterized in that described band teacher's pointer function, employing is with infrared teacher's pointer and the automatic charge function wireless optical mouse of going into a deviation correcting device, infrared laser launch window (27) is set on the mouse, teacher's pointer button (28), front and back turnover key (29), charging contact (30).
6. flat-panel display and multimedia integrated combined blackboard according to claim 1 or 5, it is characterized in that the also configurable Wireless Keyboard of described flat-panel display and multimedia Play System, described wireless mouse and Wireless Keyboard can be placed respectively in mouse storehouse (12) and keyboard storehouse (13), are provided with USB interface in mouse storehouse (12) or keyboard storehouse (13).
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| CN200910251635A CN101780745A (en) | 2009-12-29 | 2009-12-29 | Flat-panel display and multimedia integrated combined blackboard |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183871A (en) * | 2011-04-28 | 2011-09-14 | 宁波万里电子科技有限公司 | Projector installing positioning structure, electronic whiteboard and interactive demonstration system |
| CN103434308A (en) * | 2013-08-31 | 2013-12-11 | 四川东山教学设备有限责任公司 | Dust-free writing board |
| CN104708955A (en) * | 2015-04-01 | 2015-06-17 | 黄斌 | Blackboard with automatically rising and falling liquid crystal display (LCD) |
| CN105118336A (en) * | 2015-09-09 | 2015-12-02 | 江阴职业技术学院 | Remote electronic teaching system and method thereof |
| CN105955640A (en) * | 2016-05-22 | 2016-09-21 | 欧光君 | Interactive electronic whiteboard system |
| CN106427313A (en) * | 2015-08-19 | 2017-02-22 | 苏州泛普纳米科技有限公司 | Combined intelligent blackboard |
| CN106681566A (en) * | 2017-01-20 | 2017-05-17 | 马鞍山状元郎电子科技有限公司 | Combined interactive electronic whiteboard |
| CN107071533A (en) * | 2017-03-03 | 2017-08-18 | 安徽豪威商用显示科技有限公司 | One kind resists strong light is anti-to pound interactive intelligent flat board |
| CN107132879A (en) * | 2017-04-26 | 2017-09-05 | 安徽玉辉电子科技有限公司 | A kind of display bracket |
| CN108415684A (en) * | 2018-05-08 | 2018-08-17 | 上海彭创教育科技有限公司 | A kind of intelligent blackboard list Driver Card |
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2009
- 2009-12-29 CN CN200910251635A patent/CN101780745A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183871A (en) * | 2011-04-28 | 2011-09-14 | 宁波万里电子科技有限公司 | Projector installing positioning structure, electronic whiteboard and interactive demonstration system |
| CN103434308A (en) * | 2013-08-31 | 2013-12-11 | 四川东山教学设备有限责任公司 | Dust-free writing board |
| CN104708955A (en) * | 2015-04-01 | 2015-06-17 | 黄斌 | Blackboard with automatically rising and falling liquid crystal display (LCD) |
| CN106427313A (en) * | 2015-08-19 | 2017-02-22 | 苏州泛普纳米科技有限公司 | Combined intelligent blackboard |
| CN105118336A (en) * | 2015-09-09 | 2015-12-02 | 江阴职业技术学院 | Remote electronic teaching system and method thereof |
| CN105118336B (en) * | 2015-09-09 | 2017-09-05 | 江阴职业技术学院 | A kind of electronic remote tutoring system and its method |
| CN105955640A (en) * | 2016-05-22 | 2016-09-21 | 欧光君 | Interactive electronic whiteboard system |
| CN106681566A (en) * | 2017-01-20 | 2017-05-17 | 马鞍山状元郎电子科技有限公司 | Combined interactive electronic whiteboard |
| CN107071533A (en) * | 2017-03-03 | 2017-08-18 | 安徽豪威商用显示科技有限公司 | One kind resists strong light is anti-to pound interactive intelligent flat board |
| CN107132879A (en) * | 2017-04-26 | 2017-09-05 | 安徽玉辉电子科技有限公司 | A kind of display bracket |
| CN108415684A (en) * | 2018-05-08 | 2018-08-17 | 上海彭创教育科技有限公司 | A kind of intelligent blackboard list Driver Card |
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