CN108209151A - A kind of removable computer lectern for teaching and its application method - Google Patents
A kind of removable computer lectern for teaching and its application method Download PDFInfo
- Publication number
- CN108209151A CN108209151A CN201810073864.4A CN201810073864A CN108209151A CN 108209151 A CN108209151 A CN 108209151A CN 201810073864 A CN201810073864 A CN 201810073864A CN 108209151 A CN108209151 A CN 108209151A
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- Prior art keywords
- computer
- dais
- projection screen
- ontology
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/10—Reading-desks; Lecterns; Pulpits, i.e. free-standing characterised by association with auxiliary devices, e.g. paper clamps, line indicators
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/04—Tables or desks for office equipment, e.g. typewriters, keyboards characterised by means for holding or fastening typewriters or computer equipment
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B91/00—Feet for furniture in general
- A47B91/06—Gliders or the like
- A47B91/066—Swivel gliders
-
- 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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2220/00—General furniture construction, e.g. fittings
- A47B2220/0091—Electronic or electric devices
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of removable computer lectern for teaching and its application methods, including computer dais ontology, elevating mechanism, projection screen lifting support, computer is equipped on the ontology of computer dais, electronic writing plate, dais, loudspeaker, wheel, projection screen, folded projection instrument, elevating mechanism, driven voller, roller strap, card hole, motor, driven roller, projection screen fluctuating orbit, horn bracket, projection screen lifting support, multimedia control case, battery case, projecting apparatus mounting groove, hydraulic pressure pilum, lifting support, hardware system is equipped in the ontology of computer dais, it is big that computer dais ontology can arbitrarily move flexibility as needed, and included projection screen, reasonable design of the present invention, it is feature-rich, it is easy to use, it can be suitable for various teaching places.
Description
Technical field
The present invention relates to teaching aid technical field, specially a kind of removable computer lectern for teaching.
Background technology
Computer teaching or be widely used in teaching process computer as teaching tool, have become tide
Stream either trend of the times.In specific teaching practice, computer, projector, recorder, record are generally equipped in classroom
A variety of audio ＆ video equipments such as camera, DVD player, will also be equipped with sample show stand.
With the continuous development of science and technology, educational aid also constantly updates, and present multimedia teaching is universal
It is applied in school, in school's multimedia teaching, typically using projecting apparatus；And as of the right age student is constantly reduced, class
Grade number is constantly reduced, and in order to preferably be suitble to the microteaching of present teaching, is improved the quality and experience effect of teaching, is needed
A kind of new teaching dais that can be preferably interactive is wanted, meets and constantly updates the electronics such as the teaching equipment regenerated or even mobile phone
Terminal device can also apply in teaching, increase interactive and raising teaching efficiency.
Current computer dais is installed using classroom, is not easy to move, and current computer dais ontology
It is required for using by external projecting apparatus and be projected.
Invention content
It is big that flexibility can be arbitrarily moved as needed the purpose of the present invention is to provide one kind, and included projection screen,
Reasonable design of the present invention, feature-rich, easy to use, the one kind that can be suitable for various teaching places moves teaching calculating
Machine dais, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical solution：A kind of removable computer lectern for teaching, including
Computer dais ontology, elevating mechanism, projection screen lifting support, computer dais ontology are equipped with dais, the dais
Computer is equipped with, the left side of the computer is equipped with multimedia control case, and the left side of the multimedia control case is equipped with electronics
Board, the one side edge of electronic writing plate are equipped with projecting apparatus mounting groove, and projecting apparatus mounting groove is internally provided with folded projection
Instrument, the one side edge at dais are equipped with projection screen slot, and computer dais ontology is internally provided with projection screen fluctuating orbit, projection
The inside of curtain fluctuating orbit is symmetrical to be equipped with projection screen lifting support, horn bracket, and projection screen lifting support, horn bracket erect
Nogata is equipped with elevating mechanism, the interior bottom portion of computer dais ontology to installation, the side of the projection screen bracket
Center is equipped with battery case, and computer dais ontology is internally provided with hardware system, and the front of computer dais ontology is symmetrical
Equipped with loudspeaker.
Preferably, the elevating mechanism is equipped with mounting bracket, and the mounting bracket is rectangular support frame, the installation branch
The bottom of frame is equipped with driven roller, and the side of the driven roller is equipped with motor, and the shaft of motor and the roll shaft of driven roller connect, described
The angle of top two of mounting bracket is equipped with driven voller, and the driven roller, driven voller on the same vertical direction of mounting bracket are equipped with
Roller strap, the roller strap are equipped with card hole.
Preferably, the bottom of the projection screen lifting support is equipped with hydraulic pressure pilum, and the hydraulic pressure pilum is internally provided with liter
Descending branch column, the hydraulic pressure pilum, lifting support are highly 30cm.
Preferably, the front of computer dais ontology is arranged with loudspeaker, and the loudspeaker are mounted on horn bracket
It is intermediate.
Preferably, be internally provided with USB port, earphone jack, volume adjustment knob, the power supply of the multimedia control case lead to
Disconnect pass, start button.
Preferably, the hardware system is equipped with central processing unit, and the left side of the central processing unit is equipped with power supply
Module, memory module, network module, the lower end of the central processing unit are equipped with control circuit, the right side of the central processing unit
Connectivity port is equipped with driving circuit, data processing module, display module, voice module, and the right end of the data processing module is set
There is data acquisition module.
Preferably, the driving circuit is equipped with the first inductance, the right end of first inductance and the base of the first triode
Pole connects, and the collector of first triode is connect with one end of the second inductance, the other end and the VCC ends of second inductance
Connection, the emitter of first triode connect with the base stage of the second triode, the emitter of first triode and the
One end connection of three inductance, the other end of third inductance are connect with the emitter of the first triode, the collection of second triode
Electrode is connect with the cathode of the first diode, and one end of the anode of first diode and resistance connects, the resistance it is another
One end is connect with the collector of the second triode, and one end of the resistance is connect with the cathode of the second diode, and the described 2nd 2
The plus earth of pole pipe.
Preferably, the bottom of computer dais ontology is equipped with wheel, and brake is carried on wheel.
Preferably, a kind of removable computer lectern for teaching, which is characterized in that include the following steps：
A, extreme and dais is moved to corresponding position, wheel is fixed into projection screen lifting support using the brake on wheel
It is automatic to rise, projection screen is opened；
B, start button is pressed, elevating mechanism rises to computer body on the table top of dais, and motor is automatically locked and stops operating；
C, the required data that will teach are poured by USB port, be powered after network module connect mobile network automatically；
D, flicking folded projection instrument, folded projection instrument rise automatically, and open the data acquisition camera of projecting apparatus；
E, teaching needs the content of writing on the blackboard to be inputted by electronic writing plate, and computer content and electronic writing plate are shown on projection screen
Writing on the blackboard content, voice exports after being amplified by loudspeaker.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）Projection screen is installed on the ontology of computer dais, can be carried out when only computer dais by projection screen
Projection, without external projecting apparatus, can directly be projected by computer；
（2）Computer realizes lifting using elevating mechanism, and when in use by lower switch, elevating mechanism is automatically by computer liter
It rises, computer can not taken in the inside of computer dais ontology, effective protection by computer dais ontology when in use
Good computer；
（3）It is directly write when writing on the blackboard is needed by writing pencil by electronic writing plate, is directly displayed, kept away by projection screen
Exempt from the dust brought using chalk, there is environmental protection；
（4）It is big that computer dais ontology can arbitrarily move flexibility as needed, and included projection screen, and present invention design is closed
Reason, it is feature-rich, it is easy to use, various teaching places can be suitable for.
Description of the drawings
Fig. 1 is computer dais body construction schematic diagram of the present invention；
Fig. 2 is internal carrier structure schematic diagram in dais of the present invention；
Fig. 3 is computer elevating mechanism knot schematic diagram of the present invention；
Fig. 4 is projection screen fluctuating orbit schematic diagram of the present invention；
Fig. 5 is hardware system schematic diagram of the present invention；
Fig. 6 is present invention driver circuit schematic diagram.
In figure：1st, computer dais ontology；2nd, hardware system；3rd, computer；4th, electronic writing plate；5th, dais；6、
Loudspeaker；7th, wheel；8th, projection screen；9th, folded projection instrument；10th, elevating mechanism；11st, driven voller；12nd, roller strap；13rd, card hole；14、
Motor；15th, driven roller；16th, projection screen fluctuating orbit；17th, horn bracket；18th, projection screen lifting support；19th, multimedia control
Case；20th, battery case；21st, projecting apparatus mounting groove；22nd, hydraulic pressure pilum；23rd, lifting support；24th, central processing unit；25th, power supply mould
Block；26th, memory module；27th, network module；28th, control circuit；29th, driving circuit；30th, data processing module；31st, data are adopted
Collect module；32nd, display module；33rd, voice module；34th, the first inductance；35th, the first triode；36th, the second inductance；37th, second
Triode；38th, third inductance；39th, the first diode；40th, resistance；41st, the second diode；42nd, mounting bracket.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 or Fig. 2, the present invention provides a kind of technical solution：A kind of removable computer lectern for teaching, including
Computer dais ontology 1, elevating mechanism 10, projection screen lifting support 18, the bottom of computer dais ontology 1 are equipped with wheel 7, wheel
With brake on son 7, computer dais ontology 1 is fixed by braking, dais 5 is equipped on computer dais ontology 1, is said
Platform 5 is equipped with computer 3, and the left side of computer 3 is equipped with multimedia control case 19, and multimedia control case 19 is internally provided with USB
Port, earphone jack, volume adjustment knob, power on off switch, start button, multimedia control case 19 are connect with computer 3,
The left side of multimedia control case 19 is equipped with electronic writing plate 4, is directly write when writing on the blackboard is needed by writing pencil by electronics
Letter stencil 4 writes, and is directly displayed by projection screen 8, avoids the dust brought using chalk, has the advantages that environmental protection, electronic writing
Plate 4 is connect with multimedia control case 19, is equipped with projecting apparatus mounting groove 21 in the one side edge of electronic writing plate 4, projecting apparatus is placed
Slot 21 is internally provided with folded projection instrument 9, and when without using folded projection instrument 9, folded projection instrument is just placed on throwing
In shadow instrument mounting groove 21, the one side edge at dais 5 is equipped with projection screen slot 8, and computer dais ontology 1 is internally provided with projection screen liter
Track 16 drops, and the inside of projection screen fluctuating orbit 16 is symmetrical to be equipped with projection screen lifting support 18, horn bracket 17, projection screen
Lifting support 18, the installation of 17 vertical direction of horn bracket, loudspeaker 6 are connect with computer 3, and loudspeaker 6 are mounted on horn bracket 17
Centre is equipped with elevating mechanism 10 in the side of projection screen bracket 18, and computer 3 is mounted between the roller strap 12 of elevating mechanism 10,
When in use by lower switch, elevating mechanism 10 automatically rises computer 3, computer dais ontology 1 not use when
Computer 3 can be taken in the inside of computer dais ontology 1 by waiting, the good computer 3 of effective protection, computer dais ontology 1
Interior bottom portion center is equipped with battery case 20, and computer dais ontology 1 is internally provided with hardware system 2, and computer says the playscript with stage directions
The front of body 1 is arranged with loudspeaker 6.
Referring to Fig. 3, elevating mechanism 10 be equipped with mounting bracket 42, mounting bracket 42 be rectangular support frame, mounting bracket
42 bottom is equipped with driven roller 15, and the side of driven roller 15 is equipped with motor 14, and the shaft of motor 14 connects with the roll shaft of driven roller 15
Connect, the angle of top two of mounting bracket 42 is equipped with driven voller 11, driven roller 15 on the same vertical direction of mounting bracket 42, from
Dynamic roller 11 is equipped with roller strap 12, and roller strap 12 is equipped with card hole 13.
Referring to Fig. 4, the bottom of projection screen lifting support 18 is equipped with hydraulic pressure pilum 22, hydraulic pressure pilum 22 is internally provided with liter
Descending branch column 23, hydraulic pressure pilum 22,23 height of lifting support are 30cm.
Referring to Fig. 5, hardware system 2 is equipped with central processing unit 24, the left side of central processing unit 24 is equipped with power supply
Module 25, memory module 26, network module 27, the lower end of central processing unit 24 are equipped with control circuit 28, central processing unit 24
Right side connectivity port is equipped with driving circuit 29, data processing module 30, display module 32, voice module 33, data processing module
30 right end is equipped with data acquisition module 31.
Referring to Fig. 6, driving circuit 29 is equipped with the first inductance 34, the right end of the first inductance 34 and the first triode 35
Base stage connects, and the collector of the first triode 35 is connect with one end of the second inductance 36, the other end and the VCC ends of the second inductance 36
Connection, the emitter of the first triode 35 are connect with the base stage of the second triode 37, the emitter and third of the first triode 35
One end connection of inductance 38, the other end of third inductance 38 are connect with the emitter of the first triode 35, the second triode 37
Collector is connect with the cathode of the first diode 39, and the anode of the first diode 39 is connect with one end of resistance 40, resistance 40
The other end is connect with the collector of the second triode 37, and one end of resistance 40 is connect with the cathode of the second diode 41, and the two or two
The plus earth of pole pipe 41.
It is big that computer dais ontology 1 can arbitrarily move flexibility as needed, and included projection screen, present invention design
Rationally, it is feature-rich, it is easy to use, various teaching places can be suitable for.
A kind of removable computer lectern for teaching, which is characterized in that include the following steps：
A, extreme and dais 5 is moved to corresponding position, wheel 7 is fixed projection screen using the brake on wheel 7 lifts
Stent 18 rises automatically, and projection screen 8 is opened；
B, start button is pressed, elevating mechanism 10 rises to computer body 1 on 5 table top of dais, and motor 14 is automatically locked and stops
Rotation stop is moved；
C, the required data that will teach are poured by USB port, be powered after network module connect mobile network automatically；
D, flicking folded projection instrument 9, folded projection instrument 9 rises automatically, and opens the data acquisition camera of projecting apparatus；
E, teaching needs the content of writing on the blackboard to be inputted by electronic writing plate, and 3 content of computer and electronic writing are shown on projection screen 8
The writing on the blackboard content of plate 4, voice export after being amplified by loudspeaker 6.
The beneficial effects of the invention are as follows：
（1）Projection screen is installed on the ontology of computer dais, can be carried out when only computer dais by projection screen
Projection, without external projecting apparatus, can directly be projected by computer；
（2）Computer realizes lifting using elevating mechanism, and when in use by lower switch, elevating mechanism is automatically by computer liter
It rises, computer can not taken in the inside of computer dais ontology, effective protection by computer dais ontology when in use
Good computer；
（3）It is directly write when writing on the blackboard is needed by writing pencil by electronic writing plate, is directly displayed, kept away by projection screen
Exempt from the dust brought using chalk, there is environmental protection；
（4）It is big that computer dais ontology can arbitrarily move flexibility as needed, and included projection screen, and present invention design is closed
Reason, it is feature-rich, it is easy to use, various teaching places can be suitable for.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of removable computer lectern for teaching, including computer dais ontology（1）, elevating mechanism（10）, projection screen liter
Descending branch frame（18）, it is characterised in that：Computer dais ontology（1）It is equipped with dais（5）, the dais（5）It is equipped with meter
Calculation machine（3）, the computer（3）Left side be equipped with multimedia control case（19）, the multimedia control case（19）Left side set
There is electronic writing plate（4）, electronic writing plate（4）One side edge be equipped with projecting apparatus mounting groove（21）, projecting apparatus mounting groove（21）
Be internally provided with folded projection instrument（9）, dais（5）One side edge be equipped with projection screen slot（8）, computer dais ontology
（1）Be internally provided with projection screen fluctuating orbit（16）, projection screen fluctuating orbit（16）Inside it is symmetrical be equipped with projection screen liter
Descending branch frame（18）, horn bracket（17）, projection screen lifting support（18）, horn bracket（17）Vertical direction is installed, described
Projection screen bracket（18）Side be equipped with elevating mechanism（10）, computer dais ontology（1）Interior bottom portion center be equipped with
Battery case（20）, computer dais ontology（1）Be internally provided with hardware system（2）, computer dais ontology（1）Front
It is arranged with loudspeaker（6）.
2. a kind of removable computer lectern for teaching according to claim 1, it is characterised in that：The elevating mechanism
（10）It is equipped with mounting bracket（42）, the mounting bracket（42）For rectangular support frame, the mounting bracket（42）Bottom set
There is driven roller（15）, the driven roller（15）Side be equipped with motor（14）, motor（14）Shaft and driven roller（15）Roller
Axis connection, the mounting bracket（42）The angle of top two be equipped with driven voller（11）, mounting bracket（42）Same vertical direction
On driven roller（15）, driven voller（11）It is equipped with roller strap（12）, the roller strap（12）It is equipped with card hole（13）.
3. a kind of removable computer lectern for teaching according to claim 1, it is characterised in that：The projection screen lifting
Stent（18）Bottom be equipped with hydraulic pressure pilum（22）, the hydraulic pressure pilum（22）Be internally provided with lifting support（23）, the liquid
Press pilum（22）, lifting support（23）Highly it is 30cm.
4. a kind of removable computer lectern for teaching according to claim 1, it is characterised in that：The computer dais
Ontology（1）Front be arranged with loudspeaker（6）, the loudspeaker（6）Mounted on horn bracket（17）Centre.
5. a kind of removable computer lectern for teaching according to claim 1, it is characterised in that：The multimedia control
Case（19）Be internally provided with USB port, earphone jack, volume adjustment knob, power on off switch, start button.
6. a kind of removable computer lectern for teaching according to claim 1, it is characterised in that：The hardware controls system
System（2）It is equipped with central processing unit（24）, the central processing unit（24）Left side be equipped with power supply module（25）, memory module
（26）, network module（27）, the central processing unit（24）Lower end be equipped with control circuit（28）, the central processing unit（24）
Right side connectivity port be equipped with driving circuit（29）, data processing module（30）, display module（32）, voice module（33）, institute
State data processing module（30）Right end be equipped with data acquisition module（31）.
7. a kind of removable computer lectern for teaching according to claim 6, it is characterised in that：The driving circuit
（29）It is equipped with the first inductance（34）, first inductance（34）Right end and the first triode（35）Base stage connection, it is described
First triode（35）Collector and the second inductance（36）One end connection, second inductance（36）The other end and VCC
End connection, first triode（35）Emitter and the second triode（37）Base stage connection, first triode
（35）Emitter and third inductance（38）One end connection, third inductance（38）The other end and the first triode（35）Hair
Emitter-base bandgap grading connects, second triode（37）Collector and the first diode（39）Cathode connection, first diode
（39）Anode and resistance（40）One end connection, the resistance（40）The other end and the second triode（37）Collector connect
It connects, the resistance（40）One end and the second diode（41）Cathode connection, second diode（41）Plus earth.
8. a kind of removable computer lectern for teaching according to claim 1, it is characterised in that：The computer dais
Ontology（1）Bottom be equipped with wheel（7）, wheel（7）It is upper to carry brake.
9. realize a kind of removable computer lectern for teaching described in claim 1, which is characterized in that include the following steps：
It A, will extreme and dais（5）Corresponding position is moved to, utilizes wheel（7）On brake by wheel（7）Fix projection
Curtain lifting support（18）It is automatic to rise, by projection screen（8）It opens；
B, start button, elevating mechanism are pressed（10）By computer body（1）Rise to dais（5）On table top, motor（14）Automatically
It locks and stops operating；
C, the required data that will teach are poured by USB port, be powered after network module connect mobile network automatically；
D, flicking folded projection instrument（9）, folded projection instrument（9）It is automatic to rise, and open the data acquisition camera shooting of projecting apparatus
Head；
E, teaching needs the content of writing on the blackboard to be inputted by electronic writing plate, projection screen（8）Upper display computer（3）Content and electronics
Board（4）Writing on the blackboard content, voice passes through loudspeaker（6）It is exported after amplification.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810073864.4A CN108209151A (en) | 2018-01-25 | 2018-01-25 | A kind of removable computer lectern for teaching and its application method |
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| CN201810073864.4A CN108209151A (en) | 2018-01-25 | 2018-01-25 | A kind of removable computer lectern for teaching and its application method |
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Cited By (5)
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| CN109118840A (en) * | 2018-09-03 | 2019-01-01 | 广州创慧信息科技有限公司 | A kind of multi-functional communications engineering mobile teaching platform |
| CN110310527A (en) * | 2019-06-20 | 2019-10-08 | 启东威艾信息技术有限公司 | A kind of intelligent instructional device |
| CN110766987A (en) * | 2019-10-17 | 2020-02-07 | 浙江更土电子商务有限公司 | Multimedia platform |
| CN110766990A (en) * | 2019-11-08 | 2020-02-07 | 长春师范大学 | Computer multimedia teaching equipment with remote tutoring function in colleges and universities |
| WO2021121440A3 (en) * | 2021-03-23 | 2021-08-19 | 郑州航空工业管理学院 | Mathematics education apparatus that uses computer multimedia |
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| CN109118840A (en) * | 2018-09-03 | 2019-01-01 | 广州创慧信息科技有限公司 | A kind of multi-functional communications engineering mobile teaching platform |
| CN110310527A (en) * | 2019-06-20 | 2019-10-08 | 启东威艾信息技术有限公司 | A kind of intelligent instructional device |
| CN110766987A (en) * | 2019-10-17 | 2020-02-07 | 浙江更土电子商务有限公司 | Multimedia platform |
| CN110766990A (en) * | 2019-11-08 | 2020-02-07 | 长春师范大学 | Computer multimedia teaching equipment with remote tutoring function in colleges and universities |
| CN110766990B (en) * | 2019-11-08 | 2021-08-03 | 长春师范大学 | Computer multimedia teaching equipment with remote tutoring function in colleges and universities |
| WO2021121440A3 (en) * | 2021-03-23 | 2021-08-19 | 郑州航空工业管理学院 | Mathematics education apparatus that uses computer multimedia |
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