CN108674061A - A kind of clipboard - Google Patents
A kind of clipboard Download PDFInfo
- Publication number
- CN108674061A CN108674061A CN201810732852.8A CN201810732852A CN108674061A CN 108674061 A CN108674061 A CN 108674061A CN 201810732852 A CN201810732852 A CN 201810732852A CN 108674061 A CN108674061 A CN 108674061A
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- China
- Prior art keywords
- reflecting part
- ontology
- clipboard
- light
- illuminace component
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/004—Repeatedly-usable boards or tablets for writing or drawing with illuminating devices
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
This application involves teaching equipment field more particularly to a kind of clipboards.Clipboard provided herein includes ontology；Illuminace component；Reflecting part, the reflecting part and the illuminace component are respectively arranged at the opposite sides of the ontology, and the reflecting part reflects part light that the illuminace component is sent out to the body surface from its reflecting surface.The application enhances the illumination brightness of clipboard, improves the uniformity of clipboard illumination brightness, so as to effectively control problem of the teachers and students with eye health, improves the teaching quality of teachers and students.
Description
Technical field
This application involves teaching aid technical field more particularly to a kind of clipboards.
Background technology
The development that 21st century Chinese education field is advanced by leaps and bounds, either governmental input or teacher resource
Unprecedented height is all reached, hommization, technicalization, the teaching pattern of networking are approved and used by masses.With
The continuous input of state education fund, the environment and pattern of education and instruction are being constantly occurring transformation and are being promoted, in the modern times
The utilization of sci-tech product still relies on traditional board of education in the teaching environment of change.The not replaceable advantage of board of education has：Teacher
Raw interactive strong, raising attention of student, key content mark professor and explain, do not radiate, can be very good to protect in time
Eye health etc..
However, finding each province and city Disease Control and Prevention Center location at this stage through the field review of each province and city Disease Control and Prevention Center, selective examination
Domain has 85% school's clipboard to have the problems such as illumination luminance shortage, uneven illumination is even, this can influence the education and instruction of teachers and students
Quality can also cause teachers and students the problems such as using unhealthy eye, visual impairment, visual fatigue occur, and " safety eye rationally uses eye, science
With eye " be modern a kind of pursuit, how to accomplish that " safety eye, rationally with eye, science eye " is always worth exploration
Project.
Invention content
This application provides a kind of clipboards, to solve existing clipboard illumination luminance shortage, illumination brightness irregularities
The problem of.
This application provides a kind of clipboards, including：
Ontology；
Illuminace component；
Reflecting part, the reflecting part and the illuminace component are respectively arranged at the opposite sides of the ontology, described
Reflecting part reflects part light that the illuminace component is sent out to the body surface from its reflecting surface.
For convenience of explanation, the light that aforementioned illuminace component is launched is known as the first light, certainly by aforementioned reflecting part
Its reflecting surface reflects the part light that the illuminace component is sent out and is known as the second light, the first light that illuminace component is launched
It is projected to the reflecting surface of aforementioned body surface and aforementioned reflecting part, aforementioned first lamp which will then receive
Light is reflected from its reflecting surface, forms the second light, second light projection to body surface, and then enhance body surface
It is bright.
Due to aforementioned first light projection being limited in scope to body surface, and with the projection distance of the first light
Increase, the intensity of illumination of the first light has decaying, if aforementioned first light is only arranged, body surface inevitably exists
Bright uneven, flickering situation；However, the first light in the application can be reflected by reflecting part, formed
Second light, the second light fail the first light of body surface in the part of projection or the portion of the first light intensity of illumination detraction
The light divided is supplemented, in this way, the first light and the second light act synergistically, the light for making body surface evenly, also has
Effect solve body surface it is possible that flickering situation.Meanwhile the first light illumination Chong Die with the second light
The bright intensity at the body surface position can also be enhanced.The application enhances the illumination brightness of clipboard, improves clipboard
The uniformity of illumination brightness improves the teaching quality of teachers and students so as to effectively control problem of the teachers and students with eye health.
Further, upper and lower end parts of the illuminace component with the reflecting part respectively at the ontology are stretched towards outside
Go out setting；
The illuminace component is laid at least two along the length direction of the ontology, and the body side is equipped with and controls respectively
The control unit of each illuminace component opening and closing and/or brightness.
Setting can be such that teaching imitates convenient for users to the lamplight brightness of more flexible control body surface different zones in this way
Fruit more preferably, and can to without using the corresponding light of body surface can close at any time, to reach energy saving mesh
, this structure can accomplish turn off the light when you leave the room, make energy-saving and emission-reduction to maximization.
Further, at least one bulge-structure and/or at least one is provided on the reflecting surface of the reflecting part
Sunk structure.
Multiple bulge-structure and/or sunk structure can be with irregular alignments, such as can form frosted reflective surface, such
The effect of scattering can be reinforced by being arranged, and make the light of body surface evenly.
Further, the reflecting part is plate reflecting part；
It further include the protecting component for the edge for being set to the plate reflecting part.
Plate reflecting part to the dispersion effect of light more preferably, so as to further increase bright uniform of body surface
Property.Protecting component can effectively release the security risk of injury to personnel.
Further, the clipboard further includes stretching out at least a pair of of setting towards outside in the upper end of the ontology
First support arm；Assemble a bar shaped lampshade in the end of each pair of first support arm；The illuminace component is assemblied in the bar shaped
In lampshade；
The end of first support arm has the first pilot hole, and the both ends of the bar shaped lampshade have and can stretch into described the
First assembled shaft of one mounting hole；
The body side is equipped with the adjustment portion for controlling each bar shaped lampshade rotational angle respectively.
It is arranged using the above structure, by operating to the adjustment portion and corresponding can adjust aforementioned each bar shaped lampshade
Rotational angle, that is, control the relative position relation of illuminace component and body surface, uniformly throw light to more comprehensive
It is put on the clipboard.It, can be by the first lamp of illuminace component when illuminace component and when body surface is at an acute angle or right-angle relationship
The projection source maximum area of light is applied on the surface of ontology, also avoids the people's for giving lessons or standing before being irradiated to clipboard
Face, the people that prevents from making to give lessons or stand do not feel well.
Further, first support arm is set as a pair or two pairs, and the bar shaped lampshade is close to this described side
On the end face of the one end in portion, it is equipped with successively along the stretching direction of first support arm and positioned at the first assembled shaft both sides sagging
Two drawstrings.
Adjustment portion is arranged to manually mode, so more directly, reliably.User can be by pulling aforementioned two drawstrings
Messenger corresponds to the rotational angle of bar shaped lampshade in order to control, directly effectively controls the light range of body surface projection,
It not only can significantly be adjusted, micro-adjustment by a small margin can also be carried out.
Further, the clipboard further includes stretching out at least a pair of of setting towards outside in the lower end of the ontology
Second support arm；Assemble a support plate in the end of each pair of second support arm；The reflecting part is located in the support plate
Surface；
There is the second pilot hole, the both ends of the support plate to be filled with that can stretch into described second for second support arm end
The second assembled shaft in distribution.
Support reflecting part that in this way can be more firm.Meanwhile the support plate can also pass through electric or hand mode
It carries out angle adjustment to be overturn in other words, be poured out to be more convenient, efficiently by dust, the sundries etc. on reflecting part
It goes, staff is facilitated to clear up.
Further, the clipboard is blackboard；
The clipboard further includes below the reflecting part, by the lateral outer horizontal or stretching that raises up the powder of the ontology
Dirt keeps off fishplate bar.
Preferably the dust as caused by chalk and other sundries can be stored wherein in this way, keep ground clean and reduce
The dust pollution of room air.
Further, the clipboard further includes the light transparent member being set to above the reflecting part.
The light transparent member has the advantages that radiation protection, eyeshield, heat-insulated, uniform light intensity, and the honeycomb of the light transparent member can
To effectively improve the light transmission, condenser performance and reflective function of reflecting part.
Further, the clipboard further includes the storing up electricity list for storing electric power and providing electric power for the illuminace component
Member.
Accordingly even when being that in the event of a loss of power, which can also use as usual, impart knowledge to students.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
Application.
Description of the drawings
The structural schematic diagram for the clipboard that Fig. 1 is provided by the embodiment of the present application；
The side view for the clipboard that Fig. 2 is provided by the embodiment of the present application.
Reference numeral：
1- clipboards；
10- ontologies；
11- body sides；
20- illuminace components；
30- reflecting parts；
31- bulge-structures；
The edges 32-；
40- bar shaped lampshades；
The first light transparent members of 50-；
60- charge storage units.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the application.
As depicted in figs. 1 and 2, the embodiment of the present application provides a kind of clipboard 1, which specifically can be used for teaching
In, such as：May be used as fixed protecting teaching writing board, the plug-type protecting teaching writing board in left and right, protecting teaching writing board lifting up and down,
Mobile frame type protecting teaching writing board, electronic combination formula clipboard, internet wisdom classroom formula clipboard etc..The clipboard 1 includes
Ontology 10, illuminace component 20 and reflecting part 30.Wherein, ontology 10 can be specifically that clipboard 1 is used to show the writing on the blackboard write
Plate face, material can be any type in wooden, ground glass, color coated steel sheet, composite panel etc., can also be other
The material that can be used for writing, surface of the ontology 10 for writing can be plane, can also be curved surface；Aforementioned illuminace component
20 can be specifically LED energy-saving lamps piece, laser diode illuminator, LVD lamps and lanterns, OLED luminaire, photovoltaic structure lamp
Tool etc. in any one, 20 one side of this illuminace component has the advantages that energy saving, low consumption, power saving, eyeshield, on the other hand because
It does not distribute heat for cold light source, can achieve the effect that low-carbon environment-friendly；Aforementioned reflecting part 30 is made of reflectorized material, specifically
Can be reflective fabric, reflective membrane, reflective powder, reflectorised paint etc..
For convenience of explanation, the light that aforementioned illuminace component 20 is launched is known as the first light, by aforementioned reflecting part
The 30 part light sent out from its reflecting surface indirect illumination component 20 are known as the second light, then, the reflecting part 30 is with before
The opposite sides that illuminace component 20 is respectively arranged at aforementioned ontology 10 is stated, makes the first light projection that illuminace component 20 is launched extremely
The surface of aforementioned ontology 10 and the reflecting surface of reflecting part 30, then, aforementioned reflecting part 30 is reflected from its reflecting surface
Second light is to the surface of aforementioned ontology 10.
Due to aforementioned first light projection being limited in scope to the surface of ontology 10, and with the first light projection away from
From increase, there is decaying in the intensity of illumination of the first light, if aforementioned first light, the surface of ontology 10 is only arranged
Inevitably there is a situation where bright uneven, flickering.However, in the embodiment of the present application, the first light can pass through light-reflecting portion
Part 30 reflects, and forms the second light, and the second light fails 10 the first light of surface of ontology the part or first of projection
The light of the part of light intensity of illumination detraction is supplemented, in this way, the first light and the second light act synergistically, makes ontology 10
Surface it is bright evenly, also efficiently solve 10 surface of ontology it is possible that flickering situation.Meanwhile first lamp
The light illumination Chong Die with the second light can also enhance the bright intensity at the 10 surface position of ontology.In actual use,
The position that the overlapping on 10 surface of ontology is bright can be arranged at the higher position of writing utilization rate, contribute to obtain so better
User experience, and make the better of enhancing light.The embodiment of the present application enhances the illumination brightness of clipboard 1, improves
The uniformity of 1 illumination brightness of clipboard improves the education and instruction of teachers and students so as to effectively control problem of the teachers and students with eye health
Quality.
In order to enable 10 surface of ontology more fully by the first light and the second light-illuminating, illuminace component 20 can be set
It is placed in the upper end of ontology 10, and setting is stretched out towards 10 outside of ontology, reflecting part 30 can be set under ontology 10
End, and stretch out setting towards 10 outside of ontology.In this way, entire 10 surface of ontology is in the throwing of the first light and the second light
Within the scope of penetrating, the whole bright intensity for improving 10 surface of ontology.
Further, the lamplight brightness of more flexible control 10 surface different zones of ontology for the convenience of the users, makes religion
Learn it is better, and can to without using the corresponding light in 10 surface of ontology can close at any time, to reach energy saving
Purpose the considerations of, illuminace component 20 along the length direction of ontology 10 can be laid with two, three and more, be equipped with simultaneously
The control unit of opening and closing and/or the brightness of aforementioned each illuminace component 20 can be controlled respectively, which can be control switch,
Can be specifically manual switch, the control unit can be arranged body side 11 or other convenient for users to contact position,
Control switch can also be remote control switch, sound control switch, thermoinduction control switch and the control of shading value light sensation
Switch etc. in any one, this structure can accomplish turn off the light when you leave the room, make energy-saving and emission-reduction to maximization.
For reflecting part 30 above-mentioned, it can be specifically made of stainless steel material, both reflecting effect is good in this way,
Easily forming again, at the same it is firm in structure, it is also corrosion-resistant.In addition, such reflecting part 30 can be plate reflecting part, it specifically can be with
It is the plate reflecting part of stainless steel, which can be a monoblock straight panel, can also be polylith straight panel water
It is flat to be spliced, it can also be that polylith straight panel is angled and be spliced, such as：It is zigzag fashion knot that cross section, which can be spliced into,
The reflecting part 30 of structure, since zigzag structure can bring it about the reflection of more different directions, such structure it is reflective
Component 30 to the dispersion effect of light more preferably, so as to further increase the uniformity of 10 surface-brightening of ontology.Further more, being located at
The above-mentioned plate reflecting part of the lower end of ontology 10 can not only play its reflective effect, can also be directly used as plate and drag,
For placing the apparatus such as blackboard eraser, chalk, lettering pen, its multi-purpose value is realized.
Further, from the view of security, the edge 32 of reflecting part 30 is also provided with protecting component, especially
It is the plate reflecting part in above-described embodiment, especially appeals the plate reflecting part of stainless steel.It is a kind of possible
Situation is, when reflecting part 30 is manufactured into the plate reflecting part of the stainless steel material of thinner thickness, edge 32
It will be than sharp, it is easy to user of service is hurt, then, in the edge of reflecting part 30 32, previous protective portion is set
Part, so that it may effectively to release the security risk of injury to personnel.The protecting component can be specifically anti-collide with sponge, fillet design
Wood materials etc..
Further, at least one bulge-structure 31 and/or extremely can be provided on the reflecting surface of reflecting part 30
A few sunk structure.Multiple bulge-structure 31 and/or sunk structure can be with irregular alignments, such as can to form frosted anti-
Smooth surface, such setting can reinforce the effect of scattering, make the light on 10 surface of ontology evenly.
In addition, the clipboard 1 can also include the outer cover for playing focusing light effect, the sheet provided according to the embodiment of the present application
The contour structures feature of body 10 and illuminace component 20, it is preferred that the outer cover can be bar shaped outer cover 40, as shown in Figures 1 and 2,
The outside that aforementioned illuminace component 20 is located in the upper end of ontology 10 can be arranged in the bar shaped outer cover 40, by illuminace component 20
The first light launched is gathered in the space that needs illuminate, and first light in the space that directive need not illuminate is sheltered from.It should
Bar shaped outer cover 40 can be specifically integrally formed by materials such as aluminium section bar, PVC extruded profiles or combined and spliced molding, by above-mentioned material
Manufactured bar shaped outer cover 40 is light-weight, firm in structure.It is baked further more, the outer surface of the bar shaped outer cover 40 can carry out white electrophoretic
Paint, seems more attractive generous and the bar shaped outer cover 40 inner surface, the i.e. surface opposite with illuminace component 20 in this way, can
The light gathering of the bar shaped outer cover 40 is further increased, is made to enhance light guide effect at least one layer of optical material coating of coating
The light in the space that illuminated component 20 irradiates is stronger.
Further, which can also have the generator unit to generate electricity using sunlight, light, and storage electricity
Power and the charge storage unit 60 that electric power is provided for the illuminace component 20, accordingly even when being that in the event of a loss of power, which also may be used
To use as usual, impart knowledge to students.
A kind of preferred embodiment is that the upper end that the clipboard 1 can also be included in ontology 10 is stretched out towards outside
At least a pair of first support arm being arranged, the logarithm of first support arm can in previous embodiment along 10 upper end minister of ontology
The quantity for spending the illuminace component 20 that direction is laid with is consistent, the end of each pair of first support arm can assemble in above-described embodiment
The similar bar shaped lampshade of bar shaped lampshade 40, same aforementioned illuminace component 20 can be assemblied in the bar shaped lampshade 40, this first
The end of support arm can have the first pilot hole, unlike bar shaped lampshade 40 above-mentioned, the both ends of the bar shaped lampshade 40
Can have the first assembled shaft that can stretch into aforementioned first mounting hole, body side 11 that can be equipped with and control aforementioned each bar shaped respectively
The adjustment portion of lampshade rotational angle.
It is arranged using the above structure, by operating to the adjustment portion and corresponding can adjust aforementioned each bar shaped lampshade
Rotational angle, that is, the relative position relation of illuminace component 20 and 10 surface of ontology is controlled, thus more comprehensive that light is equal
It is even to launch onto the clipboard 1.It, can be by illuminace component when illuminace component 20 and when 10 surface of ontology is at an acute angle or right-angle relationship
The projection source maximum area of 20 the first light is applied on the surface of ontology 10, also avoids awarding before being irradiated to clipboard 1
The face of the people of class or standing, the people that prevents from making to give lessons or stand do not feel well.
For the adjustment portion in above-described embodiment, the mode of electrical connection specifically may be used, control it, such as adjust
Section portion includes being arranged on the first support arm, and the motor that the first assembled shaft of lampshade end can be driven to rotate is arranged on ontology 10
Control motor rotation control unit (such as button, switch).In addition, if the first support arm above-mentioned is set as a pair or two pairs
When, which can also be arranged to manually mode, so more directly, reliably.For example, the bar shaped lampshade is close to body side
On the end face of 11 one end, it is equipped with successively along the stretching direction of first support arm and positioned at the first assembled shaft both sides sagging
Two drawstrings.User can be by pulling aforementioned two drawstring messengers to correspond to rotation direction and the angle of bar shaped lampshade in order to control
Degree directly effectively controls the light range of 10 surface of ontology projection, not only can significantly be adjusted, can be with
Carry out micro-adjustment by a small margin.
In addition, the clipboard 1 can also include the first light transparent member 50, which can be set to illumination
The lower section of component 20.A kind of embodiment can be that first light transparent member 50 is integrally formed or is spliced into illuminace component 20
Shape；Another embodiment can be that aforementioned bar shaped outer cover 40 is connected with first light transparent member 50, to form an inside
Space, referred to as the first space, the illuminace component 20 are set to the inside in first space, and this structure can also be protected further
Illuminace component 20 is injury-free.First light transparent member 50 has the advantages that radiation protection, eyeshield, heat-insulated, uniform light intensity, specifically
, which can be a kind of light-transmitting plate.The mode of splicing or connection that the application is previously mentioned can be clamping,
Welding, riveting etc..
Similar, which can also include the second light transparent member, which can be set to light-reflecting portion
The top of part 30.Equally it can be integrally formed or splice with reflecting part 30 and shape.Second light transparent member equally has anti-spoke
Penetrate, eyeshield, heat-insulated, uniform light intensity the advantages of, specifically, can also be a kind of light-transmitting plate.Importantly, the honeycomb of the light-transmitting plate
Structure can effectively improve the light transmission, condenser performance and reflective function of reflecting part 30.Light-transmitting plate above-mentioned specifically may be used
To be any one in white organic plates, white acrylic board, transparent acrylic, pure color high definition light-transmitting plate.Such light transmission
Plate can be adjusted stroboscopic to optimum state, so as to effective protection eyesight, alleviate asthenopia.
For more firm support reflecting part 30, which can also be included in the lower end of ontology 10 outside
At least a pair of second support arm of setting is stretched out in side, and the quantity of second support arm can be according to the length of reflecting part 30 come really
Fixed, longer reflecting part 30 may be arranged in the length of long ontology 10, can thus be arranged two pairs it is even more right
Second support arm supports, safer in this way, reliable.The end of each pair of second support arm can assemble a support
Plate, reflecting part 30 can be connected to the upper surface of the support plate, which can have the second pilot hole, should
The both ends of support plate can have the second assembled shaft that can be stretched into aforementioned second pilot hole.The support plate can also be by electronic
Or manually mode carries out angle adjustment and is overturn in other words, to it is more convenient, efficiently by reflecting part 30 dust,
Sundries etc. is toppled over away, and staff is facilitated to clear up.
Further, which can be blackboard, which can also be included in 30 lower section of reflecting part, by this
Body 10 is lateral outer horizontal or the dust for the stretching that raises up keeps off fishplate bar, in this way can preferably by the dust as caused by chalk and other
Sundries is stored wherein, is kept ground clean and is reduced the dust pollution of room air.
The foregoing is merely the preferred embodiments of the application, are not intended to limit the invention, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of clipboard, which is characterized in that including：
Ontology；
Illuminace component；
Reflecting part, the reflecting part and the illuminace component are respectively arranged at the opposite sides of the ontology, described reflective
Component reflects part light that the illuminace component is sent out to the body surface from its reflecting surface.
2. clipboard according to claim 1, which is characterized in that
The illuminace component is stretched out respectively at the upper and lower end parts of the ontology towards outside with the reflecting part to be arranged；
The illuminace component is laid at least two along the length direction of the ontology, and the body side is equipped with and controls each institute respectively
State the control unit of illuminace component opening and closing and/or brightness.
3. clipboard according to claim 1 or 2, which is characterized in that
At least one bulge-structure and/or at least one sunk structure are provided on the reflecting surface of the reflecting part.
4. clipboard according to claim 1 or 2, which is characterized in that
The reflecting part is plate reflecting part；
It further include the protecting component for the edge for being set to the plate reflecting part.
5. clipboard according to claim 1 or 2, which is characterized in that
It further include at least a pair of first support arm for stretching out setting towards outside in the upper end of the ontology；Each pair of described first
Assemble a bar shaped lampshade in the end of support arm；The illuminace component is assemblied in the bar shaped lampshade；
There is the first pilot hole, the both ends of the bar shaped lampshade to pacify with that can stretch into described first for the end of first support arm
Fill first assembled shaft in hole；
The body side is equipped with the adjustment portion for controlling each bar shaped lampshade rotational angle respectively.
6. the clipboard stated according to claim 5, which is characterized in that
First support arm is set as a pair or two pairs, end face of the bar shaped lampshade close to one end of the body side
On, it is equipped with two sagging drawstrings successively along the stretching direction of first support arm and positioned at the first assembled shaft both sides.
7. clipboard according to claim 1 or 2, which is characterized in that
It further include at least a pair of second support arm for stretching out setting towards outside in the lower end of the ontology；Each pair of described second
Assemble a support plate in the end of support arm；The reflecting part is located at the support plate upper surface；
Second support arm end has the second pilot hole, and the both ends of the support plate have and can stretch into second pilot hole
In the second assembled shaft.
8. clipboard according to claim 7, which is characterized in that
The clipboard is blackboard；
Further include that fishplate bar is kept off by the lateral outer horizontal or stretching that raises up the dust of the ontology below the reflecting part.
9. clipboard according to claim 1, which is characterized in that further include the light transmission being set to above the reflecting part
Component.
10. clipboard according to claim 1, which is characterized in that
It further include the charge storage unit for storing electric power and electric power being provided for the illuminace component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732852.8A CN108674061A (en) | 2018-07-05 | 2018-07-05 | A kind of clipboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732852.8A CN108674061A (en) | 2018-07-05 | 2018-07-05 | A kind of clipboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108674061A true CN108674061A (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810732852.8A Pending CN108674061A (en) | 2018-07-05 | 2018-07-05 | A kind of clipboard |
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| CN (1) | CN108674061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145705A (en) * | 2019-03-29 | 2019-08-20 | 李海龙 | Novel elongated energy saving blackboard lights |
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| CN200972751Y (en) * | 2006-04-19 | 2007-11-07 | 李家樑 | Exhibition light box with reflection plate |
| CN201587234U (en) * | 2009-06-26 | 2010-09-22 | 上海大学 | Blackboard device with function of brightness self-adjustment for vision aiding |
| CN101770318A (en) * | 2010-03-16 | 2010-07-07 | 南京方瑞科技有限公司 | Touch electronic whiteboard device with stereoscopic reflective strips |
| CN204066670U (en) * | 2014-09-24 | 2014-12-31 | 金未来标识工程有限公司 | Energy-saving lamp box |
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| WO2018018383A1 (en) * | 2016-07-25 | 2018-02-01 | 汤美 | Educational blackboard with intelligent supplemental lighting |
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