CN205782372U - New teaching plate headlight - Google Patents
New teaching plate headlight Download PDFInfo
- Publication number
- CN205782372U CN205782372U CN201620701997.8U CN201620701997U CN205782372U CN 205782372 U CN205782372 U CN 205782372U CN 201620701997 U CN201620701997 U CN 201620701997U CN 205782372 U CN205782372 U CN 205782372U
- Authority
- CN
- China
- Prior art keywords
- board
- outer housing
- education
- headlight
- dimensional outer
- 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
Links
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 230000035807 sensation Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000002452 interceptive effect Effects 0.000 claims abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 238000001962 electrophoresis Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 24
- 238000013461 design Methods 0.000 abstract description 8
- 238000005286 illumination Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 208000003464 asthenopia Diseases 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model proposes a kind of new teaching plate headlight, this kind of new teaching plate headlight can apply in fixed protecting teaching writing board, the plug-type protecting teaching writing board in left and right, oscilaltion interactive teaching clipboard, mobile frame type protecting teaching writing board, electronic combination formula clipboard, the intellectual clipboard in Internet of Things wisdom classroom.Including new teaching plate headlight solid outer housing, low consumption, Energy--Saving Illuminating Source, intelligent control switch, guide-lighting coating, light-passing board, can move forward and backward, oscilaltion, flexible linking arm, realize plug-in Connection Card groove mechanism with board of education agent structure.This new teaching plate headlight has: low energy consumption;Economize on electricity;Without stroboscopic, eye-protecting lamp design standard, luminosity adjustable protective vision;High brightness;Adjustable lamp light color;Manual switch, remote pilot switch, sound control switch, thermoinduction control switch and shading value light sensation controls switch;Board of education headlight overall structure can manually or automatically regulate illumination region, can the most parallel elastic movement, can manually or automatically oscilaltion move;Stealthy installation;Fetching is convenient;Durable in use;The feature such as elegant in appearance.
Description
Technical field
This utility model relates to a kind of new teaching plate headlight.
Background technology
21st century Chinese education field has obtained the development advanced by leaps and bounds, either governmental input or teacher resource
All having reached unprecedented height, hommization, technicalization, the teaching model of networking are being approved by masses and are using.With
The continuous input of state education fund, environment and the pattern of education and instruction are being constantly occurring transformation and are promoting, in the modern times
In the teaching environment changed, the utilization of sci-tech product still relies on traditional board of education.The most replaceable advantage of board of education has: teacher
Raw interactive strong, improve attention of student, key content mark in time professor and explanation, do not have any radiation, can well
Protection eye health etc..
In the field review of each province and city Disease Control and Prevention Center, selective examination, find that each province and city Disease Control and Prevention Center region has in present stage
The school instruction plate headlight of 85% has that illumination is defective, mounting means does not reaches the problems such as use standard, how to make teachers and students be good for
Health eye, safe eye, alleviates eyestrain, protects vision, makes that board of education headlight Design of Main Structure is reasonable, illumination is up to standard, takes
Fill convenient, simple to operate, durable in use, elegant in appearance, the most intelligent more scientific, be that to pay close attention to student present stage " safety eye, reasonable
With eye, science eye " people a kind of pursuit and be worth explore problem.
Utility model content
In view of this, main purpose of the present utility model is, it is provided that a kind of fetching is convenient;Durable in use;Projection source
More fully, more reasonable;Energy-saving and environmental protection, intelligence, science and technology;, more reasonable structure more comfortable without stroboscopic, vision, alleviation eyestrain thus
Reach to protect eyes, form, with board of education, the new teaching plate headlight that one is elegant in appearance.
For reaching above-mentioned purpose, the utility model proposes a kind of new teaching plate headlight, including new teaching plate headlight
Three-dimensional outer housing, it is characterised in that Three dimensional streamline structure designs, and is hung down with board of education close to parallel with ground in projection source region
Straight fixing, low consumption, Energy--Saving Illuminating Source and intelligent control switch are arranged on board of education headlight solid outer housing and scribble guide-lighting coating
On internal fixture, by light-passing board, light is uniformly projected on board of education plate face, board of education headlight solid outer housing and religion
Learn plate and connect for hiding fastener plug.
Preferably, new teaching plate headlight solid outer housing, Three dimensional streamline structure designs, with ground close to parallel and teaching
Plate is vertically fixed.
Use this structure, projection source maximum area can be applied on board of education plate face, and will not be irradiated to
The human face given lessons before board of education or stand, structure is more scientific, design is more reasonable, and three-dimensional outer housing is one-shot forming aluminium profile structure
Or high-strength PVC extruded profile structure, outer surface is that white electrophoretic baking vanish good looking appearance is generous.
Preferably, low consumption, Energy--Saving Illuminating Source be LED electricity-saving lamp sheet, laser diode techniques lighting, LVD light fixture,
One in OLED luminaire and photovoltaic structure light fixture and novel energy-conserving light source lamp.
Use this structure, because of low energy consumption very power saving, the effect of energy-saving and emission-reduction can be reached;Because it does not dissipates for cold light source
Caloric value, thus reach low-carbon environment-friendly;Because its distance board of education is near and brightness is high, such that it is able to effectively protection vision alleviation eye is tired
Labor;Because its contour structures is identical with three-dimensional outer housing layout, thus installing/dismounting is more convenient, operation is simpler, saves manpower thing
Power.
Preferably, the internal entirety of new teaching plate headlight solid outer housing is evenly coated with guide-lighting coating.
Use this structure, the light source that lighting source can be made to produce all projects board of education surface, both energy free
Waste can make again the projection source brightness of board of education surface the highest, such that it is able to effectively protection vision alleviates eyestrain;
Preferably, intelligent control switch is manual switch, remote pilot switch, sound control switchs, thermoinduction controls to open
One in pass and shading value light sensation control switch etc., is arranged on the fixture of board of education headlight solid outer housing.
Use this structure, new teaching plate headlight can accomplish turn off the light when you leave the room with 100%, make energy-saving and emission-reduction arrive most preferably;Section
The utilization of skill type intelligent control switch makes new teaching plate headlight more scientific, more humane.
Preferably, during light-passing board is white organic plates, white acrylic, transparent acrylic, pure color high definition light-passing board
Kind, it is arranged on new teaching plate headlight solid outer housing lower side.
Use this structure, stroboscopic produced by the light source of the light source that lighting source can be sent and guide-lighting coating projection
It is adjusted to optimal, such that it is able to effectively protection vision alleviates eyestrain;Make new teaching plate headlight more healthy.
Preferably, board of education headlight solid outer housing hides fastener plug even by one-shot forming aluminium section bar fastener and board of education
Connect.
Use this structure, owing to board of education headlight solid outer housing is connected by plug-in is fixing with board of education, make novel
Board of education headlight is fixing more firmly, installing/dismounting is more convenient, simple to operate, and the aesthetic feeling that board of education forms one integrated mass,
Improve the dismounting convenience of new teaching plate headlight, make after-sales service the most convenient.
Preferably, linking arm riveting fixing with board of education headlight solid outer housing, it is arranged on outside new teaching plate headlight solid
Cover top side, manually or automatically telescopic moving linking arm makes the three-dimensional outer housing can one in elastic or oscilaltion.
Manually or automatically before and after regulation linking arm, distance, upper and lower distance can make the three-dimensional elastic movement of outer housing or rise up and down
Fall is mobile, uniformly renders to omnibearing for lighting source in board of education.
Use this structure, due to the fixing riveting of linking arm and board of education headlight solid outer housing, be arranged on new teaching plate
Headlight solid outer housing top side, is moved by the most elastic movement of linking arm or oscilaltion, makes lighting source
Omnibearing uniformly render in board of education, thus reach that projection source brightness is the highest, area is bigger, be suitable for various teaching course
While more effectively protect vision, alleviate the effect such as eyestrain.Linking arm is scientific and reasonable, the most resistance to three-dimensional outer housing attachment structure
Convenient, simple to operate with, installing/dismounting, improve the new teaching adjustable convenience of plate headlight, operation and maintenance is lighter
Convenient.
Preferably, the outer cover outer surface of board of education headlight solid is pure color, and identical with the color that board of education uses, novel
The outer surface of board of education headlight is white.
Use this structure, make new teaching plate headlight and board of education solid colour, while increasing aesthetic feeling, also can excite
The design of teachers and students and creation inspiration, the effect with Knowledge Assimilation that can make to give lessons is greatly reinforced.Also improve new teaching plate simultaneously
The novel appearance of headlight.
Accompanying drawing explanation
Fig. 1 is the front view of new teaching plate headlight;
Fig. 2 is the main perspective view of new teaching plate headlight;
Fig. 3 is the transverse, top-down-view of new teaching plate headlight;
Fig. 4 is the longitudinal sectional view of new teaching plate headlight;
Fig. 5 is the schematic diagram of linking arm
Detailed description of the invention
Referring to Fig. 1~5, the detailed description of the invention of new teaching plate headlight described in the utility model is carried out in detail
Explanation.In described below, described before and after left and right refer to up and down user in the face of new teaching plate headlight time relative to this
Before and after user is corresponding, left and right is up and down.
As shown in Fig. 1~Fig. 5, new teaching plate headlight includes three-dimensional outer housing (3), and its outer surface is electrophoresis pure white decorations
Face;Low consumption, Energy--Saving Illuminating Source (4) be LED electricity-saving lamp sheet, laser diode techniques lighting, LVD light fixture, OLED luminaire,
The one in white light, cold light, warm light and glory can be launched with in photovoltaic structure light fixture and novel energy-conserving light source lamp.
Intelligent control switch (5) is manual switch, remote pilot switch, sound control switch, thermoinduction control switch and shading value
One in light sensation control switch etc..Three-dimensional outer housing (3) inside is the guide-lighting coating (8) of uniform coating.Light-passing board (6) is white
One in organic plates, white acrylic, transparent acrylic, pure color high definition light-passing board.Light is uniformly projected board of education (2)
On plate face.Board of education headlight solid outer housing (3) is connected by plug-in with board of education (2) by one-shot forming aluminium section bar fastener
(7) achieve a fixed connection.As shown in Figure 4, linking arm (1) is made up of (a), (b), (c), (e), board of education headlight solid outer housing
(3) fixing with linking arm (e) being connected, linking arm (e) and linking arm (a) are one-shot forming overall structure, and it is interior that (c) is set in (a),
Manually or automatically regulate before and after linking arm (a) longitudinal separation, linking arm (c) up and down distance can realize three-dimensional outer housing (3)
Telescopic moving or oscilaltion move in one, as it is shown in figure 5, linking arm (b) be mounted in board of education (2) top and wall
Body fixed connection apparatus.
What deserves to be explained is, in the present embodiment, three-dimensional outer housing (3) is one-shot forming section bar, its low consumption, Energy--Saving Illuminating Source
(4), intelligent control switch (5) all can realize plug type with three-dimensional outer housing (3) inside subject structure and is connected;And before board of education
Lamp solid outer housing (3) is connected (7) with board of education (2) by plug-in by one-shot forming aluminium section bar fastener and achieves a fixed connection,
During installation or removal dependency structure, only aforementioned inverse operation be need to carry out, three-dimensional outer housing (3) and low consumption, energy-conservation photograph so made
Source, Mingguang City (4), intelligent control switch (5) and board of education (2) realize connecting by easy reassembling type.
Its low consumption, Energy--Saving Illuminating Source (4) are by aforementioned LED electricity-saving lamp sheet, laser diode techniques lighting, LVD lamp
Tool, OLED luminaire and photovoltaic structure light fixture and novel energy-conserving light source lamp can be launched white light, cold light, warm light and
A kind of composition in glory, can make new teaching plate headlight illuminate whole instruction plate (2) by aforementioned lighting source;Its teaching
Plate headlight solid outer housing (3) is fixing with linking arm (e) to be connected, and manually or automatically regulates linking arm (a) longitudinal separation, connection
Arm (c) up and down distance can realize three-dimensional outer housing (3) elastic movement or oscilaltion move in one, be conducive to protection
Eyes, more scientific more reasonable, the color of the most three-dimensional outer housing (3) electrophoresis baking vanish is consistent with board of education (2) border color, makes profile
Elegant in appearance can also beautify whole board of education (2).
In this utility model, three-dimensional outer housing (3) is electrophoresis pure white facing, uses this set, and pure white allows teachers and students' heart
Feelings are quiet, and the visual contrast principle in human engineering has been used in this kind of design, allows the attention of student more concentrate, and taught in the past
Learn the dull color of plate (2) and compare the utilization of this kind of framework color and change can excite design and the creation inspiration of teachers and students, meeting
The effect with Knowledge Assimilation that makes to give lessons is greatly reinforced.Also improve the novel appearance of new teaching plate headlight simultaneously.
Second, owing to board of education headlight solid outer housing (3) is passed through to insert by one-shot forming aluminium section bar fastener and board of education (2)
Formula of pulling out connects (7) and achieves a fixed connection, and makes board of education headlight solid outer housing (3) installing/dismounting more convenient, simple to operate, improves
The dismounting convenience of new teaching plate headlight, makes after-sales service the most convenient.
3rd, owing to three-dimensional outer housing (3) is one-shot forming aluminium section bar or high-strength PVC extruded profile, its low consumption, energy-conservation photograph
Source, Mingguang City (4), intelligent control switch (5) all can realize plug type with three-dimensional outer housing (3) inside subject structure and be connected;And teach
Plate headlight solid outer housing (3) is connected (7) with board of education (2) by plug-in by one-shot forming aluminium section bar fastener and realizes fixing
Connect, i.e. when the batch production of new teaching plate headlight makes, utilize identical section bar to be processed by one-shot forming technique,
In such manner, it is possible to reduce the quantity of parts, make its structure compacter, moreover it is possible to reduce assembling procedure, and then simplify new teaching
The installing/dismounting process of plate headlight, meanwhile, also makes the stabilized structure of new teaching plate headlight, new teaching plate headlight and board of education
(2) stable connection, is conducive to improving the structural stability of new teaching plate headlight.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Such as, in the above-described embodiments, three-dimensional outer housing (3) is electrophoresis pure white facing and board of education (2) solid colour, so
And it is not limited to this, as long as the color that the appearance meeting three-dimensional outer housing (3) and board of education (2) solid colour is used is i.e.
Can, also can use other colors in addition to white.
Such as, in the above-described embodiments, linking arm (e) is fixing with three-dimensional outer housing (3) to be connected, and manually or automatically regulates
Linking arm (a) longitudinal separation, linking arm (c) up and down distance can realize before and after three-dimensional outer housing (3) telescopic moving or rise up and down
Fall is mobile, but is not limited to this, as long as meeting linking arm (1) moveable three-dimensional outer housing (3), can take hydraulic stem
Booster type moves, gradient formula moves or other move modes such as remote control linkage.
Such as, in the above-described embodiments, three-dimensional outer housing (3) is connected the fixing company of (7) realization with board of education (2) by plug-in
Connect, but be not limited to this, achieving a fixed connection with board of education (2) as long as meeting three-dimensional outer housing (3), riveting can be taked
Other connected modes such as the mode of connecing connects, magnetic mode connects, vertical extension mode connects, bayonet fashion connection.
Claims (1)
1. a new teaching plate headlight, it is characterised in that including: three-dimensional outer housing (3), by low consumption, Energy--Saving Illuminating Source (4) and
Intelligent control switch (5), hides and is fixed on guide-lighting coating (8) fastener, by light-passing board (6), light uniformly projects teaching
On plate (2) plate face, three-dimensional outer housing (3) entire length is more than board of education (2) entire length, and three-dimensional outer housing (3) is led to board of education (2)
Cross plug-in to connect (7) and achieve a fixed connection, is manually or automatically realized by linking arm (1) that three-dimensional outer housing (3) is parallel front and back stretches
Contracting is mobile or oscilaltion is moved;
Three-dimensional outer housing (3) is in streamlined cover body, and low consumption, Energy--Saving Illuminating Source (4) are uniformly distributed to hide and are arranged on three-dimensional outer housing (3)
Inboard, low consumption, Energy--Saving Illuminating Source (4) length are identical with three-dimensional outer housing (3) length, the inboard surface of three-dimensional outer housing (3) scribble with
Guide-lighting coating (8) guide-lighting coating equally, can uniformly project religion by the light source that low consumption, Energy--Saving Illuminating Source (4) are sent
Learning on plate (2), wherein low consumption, Energy--Saving Illuminating Source (4) are LED electricity-saving lamp sheet, laser diode techniques lighting, LVD lamp
One in tool, OLED luminaire and photovoltaic structure light fixture and novel energy-conserving light source lamp, intelligent control switch (5)
Distributing installation is inboard near board of education (2) frame three-dimensional outer housing (3), and intelligent control switch (5) is manual switch, remote control
Control switch, sound control switch, thermoinduction controls switch and shading value light sensation controls the one in switch, with three-dimensional outer housing
(3) light-passing board (6) connected and board of education (2) be at an acute angle or vertical distribution, and light-passing board (6) be white organic plates, white Asia gram
One in power, transparent acrylic, pure color high definition light-passing board, three-dimensional outer housing (3) is electrophoresis baking vanish one-shot forming aluminium section bar or height
Intensity PVC extruded profile is the pure color that color is identical with board of education (2) surface, and three-dimensional outer housing (3) outer surface is white, novel
Board of education headlight connects (7) by plug-in and achieves a fixed connection with board of education (2), and wherein board of education (2) be green plate face, in vain
Colour table face, black plate face, off-white colour table face, environment-friendly dustless plate face, composite plate face, the fixed teaching writing in pure monochrome board face
Plate, the plug-type protecting teaching writing board in left and right, oscilaltion interactive teaching clipboard, mobile frame type protecting teaching writing board, electronics group
One in box-like clipboard, the intellectual clipboard in Internet of Things wisdom classroom, linking arm (1) is fixing with three-dimensional outer housing (3) to be connected,
Manually or automatically regulate distance before and after linking arm (1), upper and lower distance can make three-dimensional outer housing (3) elastic movement or
Oscilaltion is moved, and uniformly renders to omnibearing for lighting source in board of education (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620701997.8U CN205782372U (en) | 2016-07-06 | 2016-07-06 | New teaching plate headlight |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620701997.8U CN205782372U (en) | 2016-07-06 | 2016-07-06 | New teaching plate headlight |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205782372U true CN205782372U (en) | 2016-12-07 |
Family
ID=58124503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620701997.8U Active CN205782372U (en) | 2016-07-06 | 2016-07-06 | New teaching plate headlight |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205782372U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107606524A (en) * | 2016-07-06 | 2018-01-19 | 李海龙 | New teaching plate headlight |
CN107917364A (en) * | 2017-10-27 | 2018-04-17 | 江苏新广联光电股份有限公司 | LED clipboard lamps |
-
2016
- 2016-07-06 CN CN201620701997.8U patent/CN205782372U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107606524A (en) * | 2016-07-06 | 2018-01-19 | 李海龙 | New teaching plate headlight |
CN107917364A (en) * | 2017-10-27 | 2018-04-17 | 江苏新广联光电股份有限公司 | LED clipboard lamps |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204459934U (en) | New type blackboard lamp | |
CN205782372U (en) | New teaching plate headlight | |
CN208351738U (en) | A kind of College Students with Internet group mind training device | |
CN205318773U (en) | LED transparent display screen based on booth is apart from can seamlessly splicing | |
CN106696542A (en) | Writing board component and teaching board comprising writing board component | |
CN202171160U (en) | LED desk lamp with adjustable color temperature | |
CN105987319A (en) | Novel blackboard lamp | |
CN104616564B (en) | Imitation combines painting and calligraphy exercise apparatus | |
CN204870197U (en) | Clipboard subassembly reaches teaching board including this subassembly | |
CN209431226U (en) | Elongated energy conservation blackboard lights | |
CN107606524A (en) | New teaching plate headlight | |
CN110145705A (en) | Novel elongated energy saving blackboard lights | |
CN108150957A (en) | A kind of flame lamp lamp panel structure and the method for realizing flame effect | |
CN204557846U (en) | A kind of imitation is in conjunction with painting and calligraphy exercise apparatus | |
CN208789331U (en) | A kind of clipboard | |
CN206301496U (en) | A kind of Environment Design shows propagandizing device | |
CN206301532U (en) | A kind of color demonstration device | |
CN207587314U (en) | A kind of changeable colour Sign Board | |
CN106926614A (en) | A kind of multi-functional double-purpose blackboard | |
CN206497606U (en) | A kind of multimedia teaching desk | |
CN203177095U (en) | LED lamp holder | |
CN202972818U (en) | Multidirectional wall lamp | |
CN2621937Y (en) | Multi-color luminous writing board | |
CN204683017U (en) | A kind of teaching operation platform | |
CN108674061A (en) | A kind of clipboard |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191114 Address after: 100024 Beijing city Chaoyang District boziwan Louis construction space garden 2 building 1902 room Patentee after: Beijing Jian thick Detong science and Technology Development Center Address before: 100024 Beijing city Chaoyang District boziwan Louis construction space garden 2 building 1902 room Patentee before: Li Hailong |