CN109637200A - A kind of intelligent interaction multimedia teaching display board system - Google Patents
A kind of intelligent interaction multimedia teaching display board system Download PDFInfo
- Publication number
- CN109637200A CN109637200A CN201910031552.1A CN201910031552A CN109637200A CN 109637200 A CN109637200 A CN 109637200A CN 201910031552 A CN201910031552 A CN 201910031552A CN 109637200 A CN109637200 A CN 109637200A
- Authority
- CN
- China
- Prior art keywords
- student
- microprocessor
- module
- wireless communication
- teacher
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003993 interaction Effects 0.000 title claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000013016 learning Effects 0.000 claims abstract description 19
- 230000001815 facial effect Effects 0.000 claims abstract description 13
- 241001633942 Dais Species 0.000 claims description 9
- 238000011897 real-time detection Methods 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 description 8
- 230000001737 promoting effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- Educational Administration (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Emergency Management (AREA)
- Electrically Operated Instructional Devices (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a kind of intelligent interaction multimedia teaching display board systems, including display board of imparting knowledge to students, display board of imparting knowledge to students is equipped with microprocessor one, calls specified student's button, audio-visual output module, student's condition prompting lamp, auditory tone cues module one and wireless communication module one, microprocessor one is electrically connected with power module one, and power module one is electrically connected with power switch one；The intelligent interaction multimedia teaching display board system further includes multiple and the one-to-one student side of each student, each student side includes pedestal, pedestal is equipped with microprocessor two, facial recognition modules, teacher's call button, audio-visual input module, auditory tone cues module two and wireless communication module two, and microprocessor two is electrically connected with the power module two on pedestal；Wireless communication module one is connect with two wireless signal of wireless communication module of each student side respectively；The present invention, which can facilitate, carries out various learning interactions between Faculty and Students on classroom, promote the promotion of student classroom learning efficiency.
Description
Technical field
The present invention relates to teaching equipment field, in particular to a kind of intelligent interaction multimedia teaching display board system.
Background technique
Various interactions are needed between Faculty and Students on classroom, these interactions include enquirement, warning of the teacher to student
Student conscientiously pays attention to the class, student many mutual-action behaviors such as answers a question to teacher's signal, however often due to the classroom attended class it is larger,
Student is more, above-mentioned many interactive communications between student and teacher is affected, so that effect of attending class has been seriously affected, due to phase
Mutually communication has difficulties and communication efficiency is low, therefore wastes the valuable classroom instruction time.Therefore it needs to develop a kind of to religion
Teacher and student provide the equipment of classroom learning interaction, to promote the promotion of student's learning efficiency.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned problems of the prior art, a kind of intelligent interaction multimedia teaching is provided
Display board system can facilitate and carry out various interactive teaching and learnings on classroom between Faculty and Students.
The technical scheme is that a kind of intelligent interaction multimedia teaching display board system, including teaching display board, institute
State teaching display board be equipped with microprocessor one and the specified student's button of the calling that connect respectively with one signal of microprocessor,
Audio-visual output module, student's condition prompting lamp, auditory tone cues module one and wireless communication module one, the microprocessor one with
Show that the power module one of back is electrically connected set on teaching, power module one is electrically connected with power switch one；The intelligent interaction
Multimedia teaching display board system further includes multiple and the one-to-one student side of each student, and the student side includes pedestal,
The pedestal is equipped with microprocessor two and the facial recognition modules connecting respectively with the microprocessor binary signal, teacher's calling
Button, audio-visual input module, auditory tone cues module two and wireless communication module two, the microprocessor two and the electricity on pedestal
Source module two is electrically connected, and power module two is electrically connected with power switch two；The wireless communication module one respectively with each student side
Two wireless signal of wireless communication module connection；The facial recognition modules are set to the side wall opposite with student of corresponding pedestal
On, pedestal is fixed on the front on desk and being located at student；Facial recognition modules are used for corresponding of real-time detection when at school
Raw face whether face dais, and the face recognition signal at face's face dais of detected student is sent in real time
Microprocessor two on same pedestal, what which sent for the corresponding facial recognition modules of real-time reception
Face recognition signal, when the face recognition signal that the microprocessor two receives there are the face of student do not have face dais when
After length reaches setting duration, then default student and do not pay attention to the class conscientiously, then the microprocessor two control is located at the sound on same pedestal
Two sounding of cue module is to prompt corresponding student conscientiously to listen to the teacher, while the microprocessor two is wireless on same pedestal by being located at
Communication module two and wireless communication module one are sent to the microprocessor two represents the prompt letter that the student does not listen to the teacher conscientiously
Number, the microprocessor one receives the standby signal, and controls and light corresponding to student's condition prompting lamp of the student, together
When control auditory tone cues module one carry out sound production prompt, so that the teacher student be prompted not listen to the teacher conscientiously；The calling is specified to be learned
The raw button student specified for teacher's calling, calls specified student's button for student's call signal and is sent to microprocessor one,
The wireless communication module two of module one and corresponding student side sends student's call signal to microprocessor one by wireless communication
To corresponding microprocessor two, corresponding microprocessor two controls corresponding auditory tone cues module two and issues student's call prompt
Sound；Teacher's call button calls teacher for student, and teacher's call signal is sent to positioned at same by teacher's call button
Microprocessor two on pedestal, the microprocessor two pass through the wireless communication module two and wireless communication on same pedestal
Teacher's call signal is sent to microprocessor one by module one, and microprocessor one controls auditory tone cues module one and issues teacher's calling
Prompting sound；The audio-visual input module is for acquiring in the learning state picture material of student and the sound of learner answering questions problem
Hold, and the sound-content of the learning state picture material of student collected and learner answering questions problem is sent to positioned at same
Microprocessor two on pedestal, the microprocessor two pass through the wireless communication module two and wireless communication on same pedestal
Module one is sent to microprocessor one, and microprocessor one is exported by the audio-visual output module.
Above-mentioned audio-visual input module includes the video camera of the learning state picture material of the student for acquisition and is used for
Acquire the sound pick-up outfit of the sound-content of learner answering questions problem；The audio-visual output module includes the study shape for exporting student
The broadcast of the display of state image and the sound-content for exporting learner answering questions problem.
It is 3-5 minutes a length of when above-mentioned setting.
Above-mentioned wireless communication module one, wireless communication module two are WIFI module or 4G wireless communication module；It is described micro-
Processor one, microprocessor two are single-chip microcontroller.
Beneficial effects of the present invention: in the embodiment of the present invention, providing a kind of intelligent interaction multimedia teaching display board system,
Including teaching display board and multiple student sides, can make to form good interactive communication between Faculty and Students through the invention,
Teacher can be facilitated to put question at any time student, it is prompted conscientiously to pay attention to the class, prompt learner answering questions problem, while can also facilitate
It is raw that call prompt is carried out to teacher at any time, it can be good at promoting the interactive communication between student and teacher, section through the invention
The about classroom instruction time, and promote the promotion of student's learning efficiency.
Detailed description of the invention
Fig. 1 is that electric system of the invention connects block diagram；
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
Referring to Fig. 1, the embodiment of the invention provides a kind of intelligent interaction multimedia teaching display board systems, including teaching exhibition
Show plate, which includes the multimedia play equipment learnt on classroom for student, is gone back on the teaching display board
The calling being connect equipped with microprocessor one and respectively with one signal of microprocessor specify student's button, audio-visual output module,
Student's condition prompting lamp, auditory tone cues module one and wireless communication module one, the microprocessor one are shown with teaching is set to
The power module one of back is electrically connected, and power module one is electrically connected with power switch one；The intelligent interaction multimedia teaching exhibition
Show that plate system further includes multiple and the one-to-one student side of each student, the student side includes pedestal, is set on the pedestal
There are microprocessor two and the facial recognition modules connecting respectively with the microprocessor binary signal, teacher's call button, audio-visual defeated
Enter module, auditory tone cues module two and wireless communication module two, the microprocessor two and two electricity of power module on pedestal
Connection, power module two are electrically connected with power switch two；The wireless communication module one wireless communication with each student side respectively
The connection of two wireless signal of module；The facial recognition modules are set on the side wall opposite with student of corresponding pedestal, and pedestal is fixed
In the front on desk and positioned at student；Facial recognition modules at school when real-time detection correspond to student face whether
Face dais, and the face recognition signal at face's face dais of detected student is sent in real time positioned at same pedestal
On microprocessor two, the face recognition letter which sends for the corresponding facial recognition modules of real-time reception
Number, when there are the faces of student not to have the duration at face dais to reach setting for the face recognition signal that the microprocessor two receives
After duration, then default student and do not pay attention to the class conscientiously, then the microprocessor two control is located at the auditory tone cues module two on same pedestal
Sounding is to prompt corresponding student conscientiously to listen to the teacher, while the microprocessor two passes through the wireless communication module two on same pedestal
And wireless communication module one sends the standby signal for representing the student and not listening to the teacher conscientiously, micro- place to the microprocessor two
Reason device one receives the standby signal, and controls and light corresponding to student's condition prompting lamp of the student, while controlling sound
Cue module one carries out sound production prompt, so that the teacher student be prompted not listen to the teacher conscientiously；Described call specifies student's button to be used for
The specified student of teacher's calling calls specified student's button for student's call signal and is sent to microprocessor one, microprocessor one
Student's call signal is sent to corresponding micro- by the wireless communication module two of module one and corresponding student side by wireless communication
Processor two, corresponding microprocessor two control corresponding auditory tone cues module two and issue student's call prompt sound；The teacher
Call button calls teacher for student, and teacher's call signal is sent to micro- place on same pedestal by teacher's call button
Manage device two, the microprocessor two is by the wireless communication module two and wireless communication module one that are located on same pedestal by teacher
Call signal is sent to microprocessor one, and microprocessor one controls auditory tone cues module one and issues teacher's call prompt sound；It is described
Audio-visual input module is used to acquire the learning state picture material of student and the sound-content of learner answering questions problem, and will be adopted
The learning state picture material of the student of collection and the sound-content of learner answering questions problem are sent to micro- on same pedestal
Processor two, the microprocessor two are sent by the wireless communication module two and wireless communication module one being located on same pedestal
To microprocessor one, microprocessor one is exported by the audio-visual output module.It can make teacher and through the invention
Good interactive communication is formed between life, and teacher can be facilitated to put question at any time student, it is prompted conscientiously to pay attention to the class, prompt to learn
Life is answered a question, while student can also be facilitated to carry out call prompt to teacher at any time, can be good at promoting to learn through the invention
Interactive communication between raw and teacher, has saved the classroom instruction time, and promote the promotion of student's learning efficiency.
Further, the audio-visual input module includes the video camera of the learning state picture material of the student for acquisition
And the sound pick-up outfit of the sound-content for acquiring learner answering questions problem；The audio-visual output module includes for exporting student
Learning state image display and the sound-content for exporting learner answering questions problem broadcast.
Further, 3-5 minutes a length of when the setting, if upper class hour, student was in 3-5 minutes not towards teacher
Direction can then assert that the student does not pay attention to the class conscientiously substantially, perhaps perhaps perhaps do other thing etc. in doze in object for appreciation mobile phone.
Further, the wireless communication module one, wireless communication module two are WIFI module or 4G radio communication mold
Block；The microprocessor one, microprocessor two are single-chip microcontroller；These electronic components belong to prior art maturation component,
Its stable working performance, price is suitable, is well suited for use of the present invention.
In conclusion a kind of intelligent interaction multimedia teaching display board system provided in an embodiment of the present invention, including teaching
Display board and multiple student sides can make to form good interactive communication between Faculty and Students through the invention, can facilitate
Teacher at any time puts question to student, it is prompted conscientiously to pay attention to the class, prompting learner answering questions problem, while student can also be facilitated right at any time
Teacher carries out call prompt, can be good at promoting the interactive communication between student and teacher through the invention, has saved classroom
Instructional blocks of time, and promote the promotion of student's learning efficiency.
Disclosed above is only several specific embodiments of the invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (4)
1. a kind of intelligent interaction multimedia teaching display board system, including teaching display board, which is characterized in that the teaching is shown
Plate is equipped with microprocessor one and student's button, audio-visual output mould are specified in the calling connecting respectively with one signal of microprocessor
Block, student's condition prompting lamp, auditory tone cues module one and wireless communication module one, the microprocessor one be set to teaching exhibition
Show that the power module one of back is electrically connected, power module one is electrically connected with power switch one；The intelligent interaction multimedia teaching
Display board system further includes multiple and the one-to-one student side of each student, and the student side includes pedestal, on the pedestal
It is the facial recognition modules that are connect equipped with microprocessor two and respectively with the microprocessor binary signal, teacher's call button, audio-visual
Input module, auditory tone cues module two and wireless communication module two, the microprocessor two and the power module two on pedestal
Electrical connection, power module two are electrically connected with power switch two；The wireless communication module one channel radio with each student side respectively
Believe the connection of two wireless signal of module；
The facial recognition modules are set on the side wall opposite with student of corresponding pedestal, and pedestal, which is fixed on desk and is located at, to be learned
Raw front；Facial recognition modules at school when real-time detection correspond to student face whether face dais, and by institute
The face recognition signal at face's face dais of the student detected is sent to the microprocessor two on same pedestal in real time,
The microprocessor two is used for the face recognition signal that the corresponding facial recognition modules of real-time reception are sent, when the microprocessor two
The face recognition signal received there are the face of student do not have face dais duration reach setting duration after, then default student
It does not pay attention to the class conscientiously, then the microprocessor two control is located at two sounding of auditory tone cues module on same pedestal to prompt corresponding student
It conscientiously listens to the teacher, while the microprocessor two passes through the wireless communication module two and wireless communication module one on same pedestal
The standby signal for representing the student and not listening to the teacher conscientiously is sent to the microprocessor two, the microprocessor one receives described mention
Show signal, and control and lighted corresponding to student's condition prompting lamp of the student, while controlling auditory tone cues module one and carrying out sounding
Prompt, so that the teacher student be prompted not listen to the teacher conscientiously；
It is described to call specified student's button student specified for teacher's calling, specified student's button is called by student's call signal
It is sent to microprocessor one, the wireless communication module two of module one and corresponding student side will by wireless communication for microprocessor one
Student's call signal is sent to corresponding microprocessor two, and corresponding microprocessor two controls corresponding auditory tone cues module two and sends out
Student's call prompt sound out；
Teacher's call button calls teacher for student, and teacher's call signal is sent to positioned at same by teacher's call button
Microprocessor two on pedestal, the microprocessor two pass through the wireless communication module two and wireless communication on same pedestal
Teacher's call signal is sent to microprocessor one by module one, and microprocessor one controls auditory tone cues module one and issues teacher's calling
Prompting sound；
The audio-visual input module is used to acquire the learning state picture material of student and the sound-content of learner answering questions problem,
And the sound-content of the learning state picture material of student collected and learner answering questions problem is sent to positioned at same seat
Microprocessor two on body, the microprocessor two pass through the wireless communication module two and radio communication mold on same pedestal
Block one is sent to microprocessor one, and microprocessor one is exported by the audio-visual output module.
2. a kind of intelligent interaction multimedia teaching display board system as described in claim 1, which is characterized in that described audio-visual defeated
Enter the video camera for the learning state picture material that module includes the student for acquisition and for acquiring learner answering questions problem
The sound pick-up outfit of sound-content；The audio-visual output module include display for exporting the learning state image of student and
For exporting the broadcast of the sound-content of learner answering questions problem.
3. a kind of intelligent interaction multimedia teaching display board system as described in claim 1, which is characterized in that when the setting
It is 3-5 minutes a length of.
4. a kind of intelligent interaction multimedia teaching display board system as described in claim 1, which is characterized in that the channel radio
Believe that module one, wireless communication module two are WIFI module or 4G wireless communication module；The microprocessor one, microprocessor two
It is single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910031552.1A CN109637200A (en) | 2019-01-14 | 2019-01-14 | A kind of intelligent interaction multimedia teaching display board system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910031552.1A CN109637200A (en) | 2019-01-14 | 2019-01-14 | A kind of intelligent interaction multimedia teaching display board system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109637200A true CN109637200A (en) | 2019-04-16 |
Family
ID=66060742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910031552.1A Pending CN109637200A (en) | 2019-01-14 | 2019-01-14 | A kind of intelligent interaction multimedia teaching display board system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637200A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246387A (en) * | 2019-06-18 | 2019-09-17 | 白城师范学院 | A kind of On-the-spot Interaction feedback device for education informations |
| CN113034321A (en) * | 2021-03-29 | 2021-06-25 | 北京有竹居网络技术有限公司 | Online classroom prompting method and device, computer equipment and storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013176A (en) * | 2010-12-01 | 2011-04-13 | 曹乃承 | Online learning system |
| CN203366564U (en) * | 2013-03-22 | 2013-12-25 | 传课计算机系统(北京)有限公司 | Interactive network education system |
| EP2701138A1 (en) * | 2012-08-22 | 2014-02-26 | Technische Hochshule Mittelhessen | Sensor based interactive visual aid |
| CN206322346U (en) * | 2016-12-27 | 2017-07-11 | 山西大同大学 | A kind of teaching feedback device |
| CN206574264U (en) * | 2016-12-08 | 2017-10-20 | 谢晓华 | It is a kind of can monitoring analysis in real time computer teaching device |
| CN107886785A (en) * | 2017-12-22 | 2018-04-06 | 吉林工程技术师范学院 | A kind of multifunction teaching robot |
| CN108630035A (en) * | 2018-05-03 | 2018-10-09 | 潍坊科技学院 | A kind of teaching of Chinese system and its application method |
| CN207965910U (en) * | 2018-01-25 | 2018-10-12 | 西安科技大学 | Education Administration Information System based on recognition of face |
| CN109166358A (en) * | 2018-09-25 | 2019-01-08 | 上海优谦智能科技有限公司 | A kind of multi-modal tutoring system based on Internet of Things |
| CN109191950A (en) * | 2018-08-23 | 2019-01-11 | 合肥好多帮信息科技有限公司 | A kind of Teaching Monitoring method based on student information |
-
2019
- 2019-01-14 CN CN201910031552.1A patent/CN109637200A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013176A (en) * | 2010-12-01 | 2011-04-13 | 曹乃承 | Online learning system |
| EP2701138A1 (en) * | 2012-08-22 | 2014-02-26 | Technische Hochshule Mittelhessen | Sensor based interactive visual aid |
| CN203366564U (en) * | 2013-03-22 | 2013-12-25 | 传课计算机系统(北京)有限公司 | Interactive network education system |
| CN206574264U (en) * | 2016-12-08 | 2017-10-20 | 谢晓华 | It is a kind of can monitoring analysis in real time computer teaching device |
| CN206322346U (en) * | 2016-12-27 | 2017-07-11 | 山西大同大学 | A kind of teaching feedback device |
| CN107886785A (en) * | 2017-12-22 | 2018-04-06 | 吉林工程技术师范学院 | A kind of multifunction teaching robot |
| CN207965910U (en) * | 2018-01-25 | 2018-10-12 | 西安科技大学 | Education Administration Information System based on recognition of face |
| CN108630035A (en) * | 2018-05-03 | 2018-10-09 | 潍坊科技学院 | A kind of teaching of Chinese system and its application method |
| CN109191950A (en) * | 2018-08-23 | 2019-01-11 | 合肥好多帮信息科技有限公司 | A kind of Teaching Monitoring method based on student information |
| CN109166358A (en) * | 2018-09-25 | 2019-01-08 | 上海优谦智能科技有限公司 | A kind of multi-modal tutoring system based on Internet of Things |
Non-Patent Citations (1)
| Title |
|---|
| 曾小芹: "智慧教室环境下基于学生微表情的教学评价机制的构建", 《中国多媒体与网络教学学报(上旬刊)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246387A (en) * | 2019-06-18 | 2019-09-17 | 白城师范学院 | A kind of On-the-spot Interaction feedback device for education informations |
| CN113034321A (en) * | 2021-03-29 | 2021-06-25 | 北京有竹居网络技术有限公司 | Online classroom prompting method and device, computer equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204360609U (en) | A kind of strange land synchronization video interactive network tutoring system | |
| CN106875310A (en) | Smart classroom teaching multifunction system based on intelligent video | |
| CN109637200A (en) | A kind of intelligent interaction multimedia teaching display board system | |
| CN104078064B (en) | The collocation method and device of contextual model, control method for playing multimedia and system | |
| CN207602012U (en) | Multifunctional emergency recourse device and system | |
| CN206516114U (en) | Assisted learning system | |
| CN210896542U (en) | Explanation device for research travel | |
| CN109637234A (en) | A kind of computer information technology instructional device | |
| CN206388089U (en) | A kind of intelligent classroom control system | |
| CN213183156U (en) | Smart classroom system | |
| CN205281862U (en) | Primary school is with thinking political affairs answer device | |
| CN201378371Y (en) | Multi-functional digitalized wireless teaching device | |
| CN209774653U (en) | Driving circuit of programming education robot | |
| CN215987645U (en) | Wall-mounted garbage classification learning device | |
| CN207039876U (en) | A kind of broadcast singal inputs automatic switch-over circuit | |
| CN205486324U (en) | Instructor special use ware of calling roll | |
| CN218446411U (en) | Control cabinet of wisdom classroom | |
| CN109637226A (en) | A kind of offline Teaching System based on classroom box | |
| CN104537907A (en) | Intelligent cooperative discussing system | |
| CN209591136U (en) | A kind of Enterprise Education interaction multimedia device | |
| CN111862851A (en) | Scene prompting method and device based on loudspeaker box | |
| CN215265158U (en) | Intelligent teaching robot | |
| CN206100323U (en) | A electron device for control | |
| CN221352258U (en) | Demonstration device capable of transmitting information by light | |
| CN218446408U (en) | Integrated intelligent classroom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |