CN213339253U - A concatenation formula study board for programming education - Google Patents

A concatenation formula study board for programming education Download PDF

Info

Publication number
CN213339253U
CN213339253U CN202022479738.4U CN202022479738U CN213339253U CN 213339253 U CN213339253 U CN 213339253U CN 202022479738 U CN202022479738 U CN 202022479738U CN 213339253 U CN213339253 U CN 213339253U
Authority
CN
China
Prior art keywords
learning board
board body
programming
learning
control chip
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.)
Active
Application number
CN202022479738.4U
Other languages
Chinese (zh)
Inventor
文放
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uavi Technology Shenzhen Ltd
Original Assignee
Uavi Technology Shenzhen Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Uavi Technology Shenzhen Ltd filed Critical Uavi Technology Shenzhen Ltd
Priority to CN202022479738.4U priority Critical patent/CN213339253U/en
Application granted granted Critical
Publication of CN213339253U publication Critical patent/CN213339253U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a concatenation formula study board for programming education, include: the learning board comprises a learning board body and a control handle, wherein the learning board body is connected with the control handle in a splicing manner; the programming interface is arranged on the learning board body and is in communication connection with external programming equipment; the first communication interface is arranged on the learning board body; the first control chip is arranged in the learning board body and is in communication connection with the programming interface and the first communication interface; the LED lamps are uniformly distributed in the learning board body and are in communication connection with the first control chip; the display screen is arranged on the surface of the learning board body and is positioned above the LED lamp; the second communication interface is arranged on the control handle and is connected with the first communication interface in an inserting manner; and the second control chip is arranged in the control handle and is in communication connection with the second communication interface. The utility model provides a traditional programming learning, the structure is complicated, and the cost drops into height, the poor problem of human-computer interaction.

Description

A concatenation formula study board for programming education
Technical Field
The utility model relates to a programming education equipment technical field especially relates to a concatenation formula study board for programming education.
Background
The traditional programming learning machine mainly comprises two forms of a computer software program and a programming experimental box, has a good demonstration effect, and can cultivate the practical ability of students. However, the programming learning machine in any form has the defects of complex structure and high cost investment, and is not beneficial to the popularization and use of teaching. The students with complicated structures can not know the product structure and the technical principle of the programming learning machine, and are not beneficial to the programming education of the students to a certain extent. Moreover, the traditional programming learning machine has single function, can only demonstrate the written program, and has poor man-machine interaction.
Therefore, a programming learning board which is simple in structure, convenient to assemble and disassemble and strong in man-machine interaction is needed to be researched and developed, so that the programming learning board can meet the requirement of the entrance learning of programming learning and the requirement of the freedom degree of programming learning, and the technical problem is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, product structure and technical principle are known in the dismouting of being convenient for, possess stronger human-computer interaction performance simultaneously for programming education's concatenation formula study board for solve traditional programming learning, the structure is complicated, and the cost drops into height, the poor problem of human-computer interaction.
In order to achieve the above purpose, the utility model provides a concatenation formula learning board for programming education, the specific implementation scheme is as follows:
a tiled learning panel for programmatic education comprising:
the learning board comprises a learning board body and a control handle, wherein the learning board body is connected with the control handle in a splicing manner;
the programming interface is arranged on the learning board body and is in communication connection with external programming equipment;
the first communication interface is arranged on the learning board body;
the first control chip is arranged in the learning board body and is in communication connection with the programming interface and the first communication interface;
the LED lamps are uniformly distributed in the learning board body and are in communication connection with the first control chip;
the display screen is arranged on the surface of the learning board body and is positioned above the LED lamp;
the second communication interface is arranged on the control handle and is connected with the first communication interface in an inserting manner;
and the second control chip is arranged in the control handle and is in communication connection with the second communication interface.
At present, most of traditional programming learning machines demonstrate written programs in the form of computer software programs or experimental boxes, and on one hand, the programming learning machines are complex in structure, high in investment cost and inconvenient to popularize and use in teaching application; on the other hand, the programming learning machine has a single function, can only demonstrate the written program, has poor man-machine interaction and cannot control the demonstration of the written program in a man-home interaction mode.
Compared with the prior art, on one hand, the spliced learning board body for demonstrating and writing programs and the control handle for controlling the demonstration process are spliced together in a splicing mode, the spliced learning board is simple in structure and convenient and fast to disassemble and assemble, so that students can know the structure and technical principle of products in the disassembling and assembling process, and the education effect of the learning board is improved; on the other hand, the learning board body and the control handle are connected in a communication mode through the first communication interface and the second communication interface in an inserted mode, so that students can control the demonstration process of the learning board body on the written program through operation on the control handle, and the man-machine interaction of the learning board is improved. The problems of complex structure, high cost investment and poor man-machine interaction of the traditional programming learning machine are effectively solved.
As a further improvement, the first control chip is provided with a wireless module, and the wireless module is connected with an external programming device in a communication manner.
As a further improvement, the learning board body is internally provided with a sensor, the sensor is arranged on the first control chip or connected with the first control chip in a communication manner.
As a further improvement, the learning board body is internally provided with a control circuit connected with the LED lamp and the first control chip.
As a further improvement of the present invention, the control handle is provided with at least one control button, and the control button is connected to the second control chip.
As a further improvement, be equipped with the mounting panel of outside extension on brake valve lever's the tip, be equipped with in the brake valve lever from the buckle structure that restores to the throne, the tip from the buckle structure that restores to the throne runs through the mounting panel setting, with this body buckle of study board is connected.
Further, from restoring to throne buckle structure including buckle spare, connecting plate, first magnetic part and second magnetic part, buckle spare wherein one end with the connecting plate buckle is connected, and the other end movably runs through the mounting panel setting, with learning board body buckle is connected, first magnetic part is located in the brake valve lever, be located on the inner wall of mounting panel, second magnetic part is located on the connecting plate, just first magnetic part and the mutual magnetism of second magnetic part are inhaled.
Furthermore, a first buckling groove is formed in the buckling piece, a first buckling groove is formed in the top end of the buckling piece, a connecting plate buckling groove is formed in the bottom end of the buckling piece, a second buckling groove matched with the connecting plate buckling groove is formed in the connecting plate, and a third buckling groove matched with the first buckling groove is formed in the learning board body.
Furthermore, the projections of the first magnetic part and the second magnetic part on the horizontal plane parallel to the mounting plate are completely overlapped, the first magnetic part is adhered to the inner wall of the mounting plate, and the second magnetic part is adhered to the upper surface or the lower surface of the connecting plate.
As a further improvement of the utility model, the display screen includes semi-transparent panel, light diffuser plate, grid plate and the LED lamp plate that sets gradually by last to down, the both ends of light diffuser plate bond respectively on semi-transparent panel and the grid plate, LED lamp evenly distributed in on the LED lamp plate, net on the grid plate with the LED lamp is corresponding.
Based on the technical scheme, the utility model discloses for prior art, following beneficial effect has:
1. through setting up in the study board body or set up the sensor on first control chip for first control chip can be through the data interaction with the sensor, acquires the data of sensor or control corresponding sensor and realize the function of sensor, can increase the programming kind of study board, thereby improves product education performance.
2. Through evenly set up a plurality of LED lamps on the LED lamp plate at the display screen, the user can set up the LED lamp of multiple colour according to self demand, adopt control program and control circuit's cooperation, control LED lamp is put out and is opened to and carry out the mixture of colour with different luminance and express other colours, the diffusion effect of spotlight effect and diffuser plate through the grid plate, with light projection on the translucent plate, constitute different dot matrix pattern, realize the purpose of the demonstration of the procedure of writing.
3. Through set up in brake valve lever from the buckle structure that restores to the throne for brake valve lever lies in the time of study board body concatenation, the study board body leads to buckle spare displacement on the mounting panel under to the extrusion from the buckle spare that restores to the throne under the buckle spare of restoring to the throne, first buckle groove on the buckle spare and the third buckle groove lock joint on the study board body until, follow the connecting plate under the magnetic attraction of first magnetic part and second magnetic part and restore to the throne, the straining study board body has improved the connection convenience and the steadiness of study board body and brake valve lever.
4. Through set up a control button at least on brake valve lever, carry out information-based processing through second control chip to control button's pressing, convert communication signal tradition to first control chip for the study board body can carry out controllable demonstration according to control button's control and handle the procedure of writing, has improved the human-computer interaction performance of study board.
5. The wireless module is arranged on the first control chip, so that the first control chip can be connected with external programming equipment through the wireless module (such as WiFi, Bluetooth, infrared, FNC and the like), the programmed program is downloaded to the first control chip, the LED lamp panel is controlled to be turned on and off, the brightness is controlled, and the demonstration of the programmed program is realized.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the components of the present invention;
FIG. 3 is a schematic structural view of the learning board body of the present invention;
fig. 4 is an exploded view of the learning board body of the present invention;
fig. 5 is a schematic structural view of the control handle of the present invention;
fig. 6 is an exploded view of the control handle of the present invention;
fig. 7 is a schematic structural view of the self-resetting buckle structure of the present invention;
fig. 8 is an exploded view of the self-resetting buckle structure of the present invention;
fig. 9 is a schematic structural view of the button of the present invention;
fig. 10 is an exploded view of the push button of the present invention.
Detailed Description
The utility model discloses a concatenation formula learning board for programming education is explained with the attached drawing.
As shown in fig. 1 to 4, the splicing type learning board for programming education comprises a learning board body 1 and a control handle 2.
The learning board body 1 is provided with a programming interface 11, and the programming interface 11 is used for being connected with external programming equipment in a data line mode.
Wherein, be equipped with first communication structure 12 on the study board body 1, first communication interface 12 be used for with control handle 2 communication is connected.
The learning board comprises a learning board body 1, wherein a first control chip 13 is arranged in the learning board body 1, and the first control chip 13 is in communication connection with a programming interface 11 and a first communication interface 12 respectively.
The learning board body 1 is provided with a wireless module 130, the wireless module 130 is in communication connection with the first control chip 13, or the wireless module 130 is arranged on the first control chip 13.
Wherein, be equipped with a plurality of LED lamps 14 that are evenly distributed in the study board body 1, the LED lamp with first control chip 13 communication is connected.
The surface of the learning board body 1 is provided with a display screen 15, the display screen 15 is located above the LED lamp 14 and used for projecting light emitted by the LED lamp 14, and demonstration of written programs is achieved.
Specifically, display screen 15 is including by last translucent panel 151, diffuser plate 152, grid plate 153 and the LED lamp plate 154 that down sets gradually, diffuser plate 152's both ends respectively in translucent panel 151's bottom and grid plate 153's top bond, evenly distributed is a plurality of on the LED lamp plate 154 LED lamp 14, the net on the grid plate 153 corresponds LED lamp 14 sets up, and the joint is in LED lamp 14's top.
Wherein, one or more sensors 16 are arranged in the learning board body 1.
Optionally, the sensor 16 is disposed in the learning board body 1 and is in communication connection with the first control chip 13.
Optionally, the sensor 16 is provided on the first control chip 13.
Wherein, a control circuit 17 for connecting the LED lamp 14 and the first control chip 13 is arranged in the learning board body 1.
Wherein, the learning board body 1 is formed by splicing a display screen 15 and a base 10.
As shown in fig. 5 to 6, a second communication interface 21 is disposed on the control handle 2, and the second communication structure 21 is in communication connection with the first communication structure 12.
Specifically, when the learning board body 1 and the control handle 2 are spliced, the second communication interface 21 is plugged with the first communication interface 12.
Further, the second communication interface 21 and the first communication interface 12 adopt a pogo pin structure, so that the second communication interface 21 and the first communication interface 12 are in direct contact to maintain communication connection.
A second control chip 22 is arranged in the control handle 2, and the second control chip 22 is in communication connection with the second communication interface 21.
Wherein, the control handle 2 is provided with one or more control buttons 23 connected with the second control chip 22.
Wherein, be equipped with mounting panel 24 on brake valve lever 2, mounting panel 24 locates brake valve lever 2's tip, the outside setting that extends.
Specifically, be equipped with in the brake valve lever 2 from the buckle structure 3 that restores to the throne, the tip of from the buckle structure 3 that restores to the throne run through mounting panel 24 movably sets up in learning board body 1, the tip of from the buckle structure 3 that restores to the throne be used for with learning board body 1 buckle is connected.
As shown in fig. 7-8, the self-resetting buckle structure 3 includes a buckle 31, a connecting plate 32, a first magnetic attraction 33 and a second magnetic attraction 34, the connecting plate 32 is movably disposed inside the learning board body 1, the bottom end of the buckle 31 is clamped to the connecting plate 32, and one end of the top of the buckle penetrates through the mounting plate 24.
Specifically, a limiting groove 241 is formed in the mounting plate 24, and the fastener 31 is movably disposed in the limiting groove 241.
Specifically, the first magnetic member 33 is adhered to or clamped on the inner wall of the mounting plate 24 by interference fit.
Specifically, the second magnetic member 34 is adhered to or clamped on the upper surface or the lower surface of the connecting plate 32 by interference fit.
Furthermore, an accommodating groove 322 is formed in the connecting plate 32, and the second magnetic member is clamped in the accommodating groove 322.
The bottom of the fastener 31 is provided with an insertion block 313, and the connecting plate 32 is provided with an insertion groove 323 matched with the insertion block 313.
Further, the first magnetic member 33 and the second magnetic member 34 are parallel; and the projections of the first magnetic member 33 and the second magnetic member 34 on the horizontal plane parallel to the mounting plate 24 are completely coincident.
Specifically, the bottom end of the fastener 31 is provided with a connecting plate fastening groove 311, the top end is provided with a first fastening groove 312, the connecting plate 32 is provided with a second fastening groove 321, and the connecting plate fastening groove 311 and the second fastening groove 321 are fastened through interference fit.
Wherein, a third fastening groove 18 matched with the first fastening groove 311 is arranged on the lower surface of the learning board body 1.
A gap is formed between the fastener 31 and the limiting groove 241, so that the fastener 31 is prevented from colliding with the groove wall of the limiting groove 241 when the fastener is reset within the stroke range of the limiting groove 241 along with the displacement of the connecting plate 32 under the mutual magnetic attraction action of the first magnetic part 33 and the second magnetic part 34, and the fastener 31 is prevented from being damaged.
As shown in fig. 9-10, the button 23 includes a button cap 231, a connecting bracket 232 and a button electronic element 235, the connecting bracket 232 is disposed between the button cap 231 and the button electronic element 235 and is connected to the button cap 231 and the button electronic element 235, respectively, and the button electronic element 235 is connected to the second control chip 22.
The button cap 231 is provided with a clamping groove 2311, and the top of the connecting bracket 232 is provided with an inserting part 230 inserted and connected with the clamping groove 2311.
Specifically, the connecting bracket 232 is formed by splicing a first splicing block 233 and a second splicing block 234, and is arranged in a cross shape.
Specifically, the first splicing block 233 comprises a first plug-in section 2331, a first connecting section 2332 and a first splicing section 2333 which are integrally formed; the second splicing block 234 includes a second plugging section 2341, a second connecting section 2342 and a second splicing section 2343 which are integrally formed.
Further, when the first and second splicing blocks 233 and 234 are spliced to form the connection bracket 232, the first and second plugging segments 2331 and 2341 are spliced to form the plugging portion 230.
The control handle 2 is provided with a through groove 25 through which the connecting bracket 232 passes and is connected with the button cap 231, and when the first splicing block 233 and the second splicing block 234 are spliced to form the connecting bracket 232, the first connecting section 2332 and the second connecting section 2342 are spliced to form a connecting part 250 which passes through the through groove 25.
Specifically, a gap is formed between the connecting portion 250 and the through groove 25, so that the first splicing block 233 and the second splicing block 234 slightly incline when being pressed by the button cap 231, a space is provided for pressing the button electronic component 235, the pressing accuracy of the button 23 is improved, and the situation that a plurality of button electronic components 235 are pressed simultaneously when being pressed is avoided.
The first splicing section 2335 is provided with a first splicing groove 2335, the second splicing section 2341 is provided with a second splicing groove 2344, and the first splicing groove 2335 and the second splicing groove 2344 are spliced in an interference fit manner to form the connecting bracket 232.
Wherein the button electronics 235 abuts against the bottom of the first and/or second tiles 233, 234.
When the first splicing block 233 and the second splicing block 234 are spliced to form the connecting bracket 232, a first limiting step is formed between the insertion part 230 and the connecting part 250, and a second limiting step is formed at the bottom of the connecting part 250 and the connecting bracket 232.
Specifically, the first limit step abuts against the bottom of the button cap 231.
Specifically, the second limit step abuts against the inner wall of the control handle 2.
Except for components related to electrical components, the rest components are made of wood, and compared with a traditional plastic part, the environment-friendly performance of the learning board is improved.
The principle of the spliced learning board for programming education of the embodiment is as follows:
1. the learning board body 1 downloads a program written by the external programming equipment to the first control chip 13 in a mode of connecting the programming interface 11 and the external programming equipment through a data line or in a mode of connecting the external programming equipment through the wireless module 130;
2. the first control chip 13 controls the turning on and off of the plurality of LED lamps 14 and the continuous change of the brightness through the control circuit 17 according to the programmed program, and displays the programmed program on the display screen 15 for demonstration in a dot matrix group mode;
3. during the demonstration, the second control chip 22 in the control handle 2 converts the control information transmission generated by pressing the button 23 into the communication information to be transmitted to the first control chip 13, and a controllable demonstration step is added during the demonstration of the written program.
The above-mentioned principle may also include programming a program for automatically reading data of the sensor 16 or controlling the operation of the sensor 16.
Of course, the learning board of the present embodiment can implement a game controlled by the joystick 2 and displayed on the display screen 15 by a programmed program, and can be used as a game machine.
The utility model discloses a concatenation formula study board for programming education has simple structure, and the product structure and technological principle are known in the dismouting of being convenient for, possess stronger human-computer interaction performance's advantage simultaneously, have solved traditional programming learning effectively, and the structure is complicated, and the cost drops into height, the poor problem of human-computer interaction nature.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. A tiled learning panel for programmatic education, comprising:
the learning board comprises a learning board body (1) and a control handle (2), wherein the learning board body (1) is connected with the control handle (2) in a splicing manner;
the programming interface (11) is arranged on the learning board body (1) and is in communication connection with external programming equipment;
the first communication interface (12) is arranged on the learning board body (1);
the first control chip (13) is arranged in the learning board body (1) and is in communication connection with the programming interface (11) and the first communication interface (12);
the LED lamps (14) are uniformly distributed in the learning board body (1) and are in communication connection with the first control chip (13);
the display screen (15) is arranged on the surface of the learning board body (1) and is positioned above the LED lamp (14);
the second communication interface (21) is arranged on the control handle (2) and is connected with the first communication interface (12) in an inserting and combining way;
and the second control chip (22) is arranged in the control handle (2) and is in communication connection with the second communication interface (21).
2. The splicing learning board for programming education as claimed in claim 1, wherein the first control chip (13) is provided with a wireless module (130), and the wireless module (130) is connected with an external programming device in a communication way.
3. Spliced learning board for programming education as claimed in claim 1, characterized in that a sensor (16) is arranged in the learning board body (1), the sensor (16) is arranged on the first control chip (13) or is in communication connection with the first control chip (13).
4. Spliced learning board for programming education as claimed in claim 1, characterized in that a control circuit (17) connecting the LED lamp (14) with the first control chip (13) is provided in the learning board body (1).
5. Splicing learning board for programmatic education according to claim 1, characterized in that said control handle (2) is provided with at least one control button (23), said control button (23) being connected to said second control chip (22).
6. The splicing type learning board for programming education as claimed in claim 1, wherein the control handle (2) is provided with an outward extending mounting plate (24) at the end, the control handle (2) is provided with a self-resetting buckle structure (3) therein, and the end of the self-resetting buckle structure (3) penetrates through the mounting plate (24) to be buckled with the learning board body (1).
7. The splicing type learning board for programming education as claimed in claim 6, wherein the self-resetting fastening structure (3) comprises a fastening member (31), a connecting plate (32), a first magnetic member (33) and a second magnetic member (34), one end of the fastening member (31) is fastened to the connecting plate (32), the other end of the fastening member movably penetrates through the mounting plate (24) and is fastened to the learning board body (1), the first magnetic member (33) is arranged in the control handle (2) and is located on the inner wall of the mounting plate (24), the second magnetic member (34) is arranged on the connecting plate (32), and the first magnetic member (33) and the second magnetic member (34) are magnetically attracted to each other.
8. The splicing type learning board for programming education as claimed in claim 7, wherein the fastening member (31) has a first fastening groove (312) at the top end and a connecting board fastening groove (311) at the bottom end, the connecting board (32) has a second fastening groove (321) matching with the connecting board fastening groove (311), and the learning board body (1) has a third fastening groove (18) matching with the first fastening groove (312).
9. Spliced learning board for programmatic education as claimed in claim 7, wherein the projections of the first magnetic member (33) and the second magnetic member (34) on the horizontal plane parallel to the mounting plate (24) are completely coincident, and the first magnetic member (33) is adhered to the inner wall of the mounting plate (24) and the second magnetic member (34) is adhered to the upper or lower surface of the connecting plate (32).
10. The splicing type learning board for programming education as claimed in any one of claims 1 to 9, wherein the display screen (15) comprises a translucent panel (151), a light diffusion plate (152), a grid plate (153) and an LED lamp panel (154) which are sequentially arranged from top to bottom, two ends of the light diffusion plate (152) are respectively bonded on the translucent panel (151) and the grid plate (153), the LED lamps (14) are uniformly distributed on the LED lamp panel (154), and the grids on the grid plate (153) correspond to the LED lamps (14).
CN202022479738.4U 2020-10-30 2020-10-30 A concatenation formula study board for programming education Active CN213339253U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022479738.4U CN213339253U (en) 2020-10-30 2020-10-30 A concatenation formula study board for programming education

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022479738.4U CN213339253U (en) 2020-10-30 2020-10-30 A concatenation formula study board for programming education

Publications (1)

Publication Number Publication Date
CN213339253U true CN213339253U (en) 2021-06-01

Family

ID=76075626

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022479738.4U Active CN213339253U (en) 2020-10-30 2020-10-30 A concatenation formula study board for programming education

Country Status (1)

Country Link
CN (1) CN213339253U (en)

Similar Documents

Publication Publication Date Title
CN104096366B (en) A kind of control method of intelligence modular system and intelligence building blocks
US9665187B2 (en) Color input device and its application kit
CN102713809A (en) Whiteboard with tool tray incorporating a processor
CN203721066U (en) Keyboard musical instrument auxiliary teaching aid
CN213339253U (en) A concatenation formula study board for programming education
CN202041915U (en) Stylus
CN112233500A (en) A concatenation formula study board for programming education
CN103309468A (en) Multifunctional wireless true-color electronic pen
US20210166665A1 (en) Modular control device
CN205665662U (en) Mouse pad
CN209922659U (en) Non-contact elevator button box
CN201111007Y (en) Multifunctional infrared electronic white board
CN201397501Y (en) Infrared interactive touching device with fast-assembling frame structure
CN212933911U (en) Learning experiment board of internet of things based on Esp8266
CN209659261U (en) A kind of soft-touch control and touch control system
CN112791430A (en) Building block assembly and environment creative multimedia interactive teaching system based on building blocks
CN203658926U (en) Electronic device
CN203338273U (en) Structure for setting electronic interaction whiteboard areas
CN214714359U (en) Building block assembly and environment creative multimedia interactive teaching system based on building blocks
CN109348564A (en) A kind of isolychn picture puzzle
CN104900099A (en) Multifunctional learning machine used for infant children education
CN207833708U (en) A kind of teaching aid and programming teaching aid of multi-faceted simplified programming learning process
CN206470971U (en) A kind of all-in-one multifunctional machine write
CN201278618Y (en) Touch-type remote-controller
CN201837981U (en) Writing system of infrared touch screen

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant