CN208507000U - Frame, interactive intelligent tablet computer and intelligent writing device - Google Patents
Frame, interactive intelligent tablet computer and intelligent writing device Download PDFInfo
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- CN208507000U CN208507000U CN201721654978.5U CN201721654978U CN208507000U CN 208507000 U CN208507000 U CN 208507000U CN 201721654978 U CN201721654978 U CN 201721654978U CN 208507000 U CN208507000 U CN 208507000U
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Abstract
The utility model provides a kind of frame, interactive intelligent tablet computer and intelligent writing device, the frame includes upper and lower spaced first frame and the second frame along the vertical direction, first frame includes first structure chamber and the first functional chamber, the length direction of the first structure chamber and first functional chamber respectively along first frame extends parallel, the outer surface of the chamber shell wall of the first structure chamber is equipped with the first mounting surface for being bonded protection glass, second frame includes the second structure chamber and the second functional chamber, the length direction of the second structure chamber and second functional chamber respectively along second frame extends parallel, the outer surface of the chamber shell wall of the second structure chamber is equipped with the second mounting surface for being bonded protection glass.The frame of the utility model is conducive to that interactive intelligent tablet computer and intelligent writing device is made to realize Rimless or narrow frame design, and structural strength is relatively strong and functional limitation is smaller.
Description
Technical field
The utility model relates to intelligent electronic device technical field more particularly to a kind of frame, interactive intelligent tablet computer and
Intelligent writing device.
Background technique
Intelligent blackboard (i.e. smart classroom interaction blackboard) is a kind of high-tech electronic product instead of traditional blackboard, it is integrated
Liquid crystal display technology, touching technique and computer technology are in one, along with the writing software using accurate identification function
And lettering pen, keep information processing more convenient, calculation demonstration of giving lessons is more lively.At abroad, Systems in Certain Developed Countries is substantially real
Showed the universal of wisdom blackboard, in contrast, it is domestic it is universal also need a period of time, but this is a kind of inevitable trend.
It is needed as far as possible since protection glass will accomplish the appearance of classroom blackboard using nothing in intelligent blackboard field
The design of frame or narrow frame protects glass 3 ' as shown in Figure 1, frame includes spaced upper side frame 1 ' and lower frame 2 '
The upper end of side connect with upper side frame 1 ' by double-sided adhesive 4 ', lower end passes through double-sided adhesive 4 ' and connect with lower frame 2 '.However, this
The material as square aluminium or square steel is simply fixedly connected by plate mostly at present for the upper side frame of sample and lower frame, structure
Limited strength, functional limitation is high, as the overlap joint that the functional modules such as loudspeaker key not easily pass through frame is effectively presented on client face
Before.
Summary of the invention
Based on this, one of the purpose of this utility model is to provide a kind of structural strength compared with strong, functional limitation is small and has
Conducive to the frame for the Rimless or narrow frame design for realizing interactive intelligent tablet computer.
The technical solution of the utility model are as follows: a kind of frame, including upper and lower spaced first side along the vertical direction
Frame and the second frame, first frame include first structure chamber and the first functional chamber, the first structure chamber and described
Length direction of one functional chamber respectively along first frame extends parallel, and the outer surface of the chamber shell wall of the first structure chamber is set
There is the first mounting surface for being bonded protection glass, second frame includes the second structure chamber and the second functional chamber, and described the
The length direction of two structure chambers and second functional chamber respectively along second frame extends parallel, the second structure chamber
The outer surface of chamber shell wall is equipped with the second mounting surface for being bonded protection glass.
Optionally, pass through the first support rod separately between the first structure chamber and first functional chamber, it is described
Second structure chamber and second functional chamber pass through the second support rod separately.
Optionally, the first structure chamber and first functional chamber along the direction perpendicular with first mounting surface simultaneously
Row's setting.
Optionally, it is towards consistent outer surface with second mounting surface on the chamber shell wall of second functional chamber
The appearance of the frame, the appearance are located at the lower section of second mounting surface.
Optionally, the second structure chamber and second functional chamber are arranged along the vertical direction, and second functional chamber
Set on the lower section of the second structure chamber.
Optionally, first mounting surface is equipped with the first limit for preventing the protection glass from moving in the horizontal direction
Position part, second mounting surface are equipped with the second locating part for preventing the protection glass from moving along the vertical direction.
Optionally, first locating part includes the first limit plate perpendicular to first mounting surface, first limit
Position plate is located at the side of the end of the protection glass, one end setting the of first limit plate far from first mounting surface
Two limit plates, second limit plate and the first installation face interval are arranged and are formed therebetween for accommodating the guarantor
Protect the limiting slot of the end of glass；Second locating part is boss of the projection on second mounting surface, and the boss hangs down
Directly in second mounting surface.
It optionally, further include the side frame with connecting cavity, the connecting cavity extends along the length direction of the side frame,
The first end of the side frame is connected by the first corner pieces with first frame, and the first end of first corner pieces
It is inserted in the first structure chamber, the second end of first corner pieces is inserted in the connecting cavity, the side frame
Second end is connect by the second corner pieces with second frame, and the first end of second corner pieces is inserted in described second
In structure chamber, the second end of second corner pieces is also inserted in the connecting cavity.
To reach above-mentioned identical purpose, the utility model also provides a kind of interactive intelligent tablet computer, including protection glass and
Above-mentioned frame, the protection glass are bonded on the frame.
To reach above-mentioned identical purpose, the utility model also provides a kind of intelligent writing device, including blackboard body and
Above-mentioned interactive intelligent tablet computer, the blackboard body include the outer framework with the first external chamber and the second external chamber, described outer
Frame is connect by the first connection shaft and the second connection shaft with the frame, and the both ends of first connection shaft
It is inserted in first functional chamber and the first external chamber respectively, the both ends of second connection shaft are inserted in institute respectively
It states in the second functional chamber and the second external chamber.
Further, functional module group is installed in second functional chamber.
Further, the functional module group is key mould group, welding bell group and/or preposition Terminals Die group.
Implement the utility model embodiment, has the following beneficial effects:
The frame of the utility model is used to be bonded the first mounting surface and the second mounting surface of protection glass by setting, then
Interactive intelligent tablet computer is advantageously implemented Rimless or narrow frame design by using the frame；On the basis, by making
First frame and the second frame all have structure chamber and functional chamber, then the structure for being able to ascend the first frame and the second frame is strong
Degree, and it is also beneficial to the function of extension the first frame and the second frame, therefore, the utility model makes interactive intelligent tablet computer
Realize that the structural strength of the frame of Rimless or narrow frame design is relatively strong, functional limitation is smaller.
Detailed description of the invention
Fig. 1 is the partial structural diagram of existing intelligent blackboard.
Fig. 2 is the structural schematic diagram of the intelligent writing device of the utility model embodiment.
Status diagram when Fig. 3 is the assembly protection glass of the intelligent writing device of the utility model embodiment.
Fig. 4 is enlarged diagram at the A of Fig. 2.
Fig. 5 is enlarged diagram at the B of Fig. 2.
Fig. 6 is enlarged diagram at the C of Fig. 3.
Fig. 7 is the decomposition texture schematic diagram of intelligent writing device described in the utility model embodiment.
Fig. 8 be the utility model embodiment described in the first connection shaft, the first corner pieces, side frame and the first frame it
Between assembly structure figure.
Fig. 9 is the dress described in the utility model embodiment between the first connection shaft, the first corner pieces and the first frame
Distribution structure cross-sectional view.
Figure 10 is the dress described in the utility model embodiment between the second connection shaft, the second corner pieces and the second frame
Distribution structure cross-sectional view.
Figure 11 is the structural schematic diagram of intelligent writing device described in the utility model embodiment.
In Fig. 1:
1 ', upper side frame；2 ', lower frame；3 ', glass is protected；4 ', double-sided adhesive.
In Fig. 2 to 11:
1, the first frame；11, the first mounting surface；12, the first limit plate；13, the second limit plate；14, limiting slot；15, recessed
Slot；16, transition face；17, first identifier slot；101, first structure chamber；102, the first functional chamber；103, the first support rod；2,
Second frame；21, the second mounting surface；22, boss；23, second identifier slot；201, the second structure chamber；202, the second functional chamber；
203, the second support rod；204, appearance；3, glass is protected；4, double-sided adhesive；5, side frame；6, the first corner pieces；7, second
Corner pieces；8, the first connection shaft；9, the second connection shaft；100, interactive intelligent tablet computer；200, blackboard body, 2001, outline border
Frame.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", "top", "bottom" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
As shown in Fig. 2 to 6, the utility model embodiment provides a kind of frame, this frame is for installing intelligent writing
The protection glass 3 of device, wherein frame includes upper and lower spaced first frame 1 and the second frame 2 along the vertical direction,
First frame 1 has the first mounting surface 11 of installation protection glass 3, is provided on the first mounting surface 11 for preventing protection glass
3 the first locating parts moved in the horizontal direction, the second frame 2 have the second mounting surface 21 of installation protection glass 3, the second installation
The second locating part moved along the vertical direction for limiting protection glass 3 is provided on face 21.By setting the first locating part and
Second locating part can be effectively prevented protection glass 3 and fall off, even if using for a long time, double-sided adhesive 4 fails, this frame can also
Effectively to limit to protection glass 3, protection glass 3 is prevented to be detached from frame, in addition, due to being provided with above-mentioned limit
Part, it is possible to reduce the usage amount of double-sided adhesive 4 thereby reduces production cost.
In the present embodiment, the first locating part includes the first limit plate 12 perpendicular to the first mounting surface 11, the first limit
Plate 12 is located at the side of the end of protection glass 3, one end setting second limit of first limit plate 12 far from the first mounting surface 11
Plate 13, the second limit plate 13 and the first mounting surface 11 interval are arranged and form the end for accommodating protection glass 3 therebetween
The limiting slot 14 in portion.So that protecting glass 3, upper end can be plugged into realization in this limiting slot 14 during installation for the design of limiting slot 14
Limit prevents protection glass 3 from moving or toppling in the horizontal direction.
Further, the second limit plate 13 is parallel with the first mounting surface 11.
In a preferred embodiment of the utility model, the first mounting surface 11 is concavely provided with groove 15, and groove 15 is adjacent
It is bordering on the slot bottom of limiting slot 14, and opening the second limit plate 13 of direction of groove 15.By the way that this groove 15 is arranged, guarantor can be increased
The insertion when assembled of glass 3 and stroke are protected, prevents limiting slot 14 from blocking protection glass 3 or protection glass 3 is caused to scratch.
In another preferred embodiment of the utility model, the one end of the second limit plate 13 far from the first limit plate 12
It is provided with inclined transition face 16, transition face 16 is located on the inner sidewall of limiting slot 14.The transition face 16 being obliquely installed not only may be used
To reduce the installation difficulty of protection glass 3, protection glass 3 can also be effectively prevent to be scratched by the second limit plate 13.
In addition, the first double-sided adhesive installation position is provided on the first mounting surface 11, the first double-sided adhesive installation position and limiting slot 14
Interval setting.Double-sided adhesive installation position is mainly used for installing double-sided adhesive 4, and double-sided adhesive installation position and the interval of limiting slot 14 are arranged herein
It is that protection glass 3 has some setbacks because the bonding of double-sided adhesive 4 causes to install during installation in order to prevent.Further, in the first installation
First identifier slot 17 is offered on face 11 in the horizontal direction, the first double-sided adhesive is positioned at first identifier slot 17 far from limiting slot 14
Side.By the way that logo slot is arranged, the installation site of double-sided adhesive 4 can be rapidly looked for, the installation for reducing double-sided adhesive 4 is difficult
Degree promotes the installation accuracy of double-sided adhesive 4.
The second limit plate 13 can also be arranged for the fixation position that the position of second limit plate 13 is not limited to the above embodiments
For removable frame, specifically, being provided with the first mounting groove on the first mounting surface 11, the first limit plate 12 is far from the second limit plate
13 one end stretches in the first mounting groove, and the first limit plate 12 can be mobile relative to the first mounting groove in the horizontal direction, the
The first locked component for being locked in the first limit plate 12 in first mounting groove is also set up in one mounting groove.By by first
Limit plate 12 is set as telescopic structure, so that the width of limiting slot 14 can according to need adjustment, to meet different-thickness
Protection glass 3 install.
In a preferred embodiment of the utility model, the second locating part is that projection is convex on the second mounting surface 21
Platform 22, boss 22 is perpendicular to the second mounting surface 21.The setting of boss 22 can limit protection glass 3 and move vertically downwards
It is dynamic, that is, prevent protection glass 3 from falling.
In the present embodiment, thickness of the height of boss 22 no more than protection glass 3.Above-mentioned design can prevent boss 22
The surface of protection glass 3 is protruded from, aesthetics is improved.
In other embodiments, boss 22 may be arranged as telescopic structure, specifically, opening on the second mounting surface 21
Equipped with the second mounting groove, one end of boss 22 is stretched in the second mounting groove, and with the elastic portion that is fixed in the second mounting groove
Part connection, boss 22 has operating position and off-position, and when boss 22 is located at operating position, 22 part of boss is positioned at the
In two mounting grooves, and elastomeric element is in non-compressed state；When pressing boss 22 makes it squeeze elastomeric element compression, boss 22
It is moved in towards the second mounting groove, boss 22 is located at off-position.Above-mentioned design can simplify the installation of protection glass 3,
When installation, boss 22 is pressed into the second mounting groove, then being inserted on the first locating part from the bottom to top of glass 3 will be protected
In limiting slot 14, boss 22 is then unclamped again, it is mobile in the outside of driving lower convex platform 22 towards the second mounting groove of elastomeric element,
Protection glass 3 easy to support.
In addition, offering the second mark in the horizontal direction on the second mounting surface 21 to reduce the stickup difficulty of double-sided adhesive 4
Know slot 23, second identifier slot 23 and the second locating part interval are arranged, and second identifier slot 23 is set far from the side of the second locating part
There is double-sided adhesive installation position.
As shown in Figure 4 and Figure 5, first frame 1 of the present embodiment includes first structure chamber 101 and the first functional chamber 102,
The length direction of the first structure chamber 101 and the first functional chamber 102 respectively along the first frame 1 extends parallel, first structure chamber 101
Chamber shell wall outer surface be equipped with above-mentioned first mounting surface 11, the second frame 2 include the second structure chamber 201 and the second functional chamber
202, which extends parallel, the second structure
The outer surface of the chamber shell wall of chamber 201 is equipped with above-mentioned second mounting surface 21.Then due to being provided with the first mounting surface 11 and the second installation
Face 21, and the protection glass 3 of display screen can be bonded by the first mounting surface 11 and the second mounting surface 21, then pass through the effect,
Frame can be simplified and protect the connection structure between glass 3, so that interactive intelligent tablet computer 100 and intelligent writing device pass through
Rimless or narrow frame design are advantageously implemented using the frame, in addition, passing through above-mentioned first locating part and the second locating part
The fixation for protecting glass 3 can be further strengthened；On the basis, by having the first frame 1 and the second frame 2
There are structure chamber and functional chamber, then it will be apparent that the interval supporting element between structure chamber and functional chamber is able to ascend the first frame 1 and
The structural strength of two frames 2, and be conducive to extend the function of the first frame 1 and the second frame 2, for example, the on the first frame 1
The second structure chamber 201 on one structure chamber 101 and the second frame 2 can be used for corner pieces or the connection of other connectors, and first
The first functional chamber 102 on frame 1 is implemented for the fixation of sliding slot, balancing pole etc., the second functional chamber on the second frame 2
202 can be used in assembling function mould group etc., and therefore, the present embodiment makes interactive intelligent tablet computer 100 realize Rimless or narrow side
The structural strength of the frame of frame design is relatively strong, functional limitation is smaller.
Wherein, pass through 103 phase of the first support rod between the first structure chamber 101 of the present embodiment and the first functional chamber 102
Interval, the second structure chamber 201 of the present embodiment and the second functional chamber 202 pass through the second support rod 203 separately, thus, it is possible to
Form above-mentioned first structure chamber 101, the second structure chamber 201, the first functional chamber 102 and the second functional chamber 202, and the first support
The setting of rib 103 and the second support rod 203 also helps the structural strength for promoting the first frame 1 and the second frame 2.At this
In embodiment, first structure chamber 101 and the first functional chamber 102 are set side by side along the direction perpendicular with above-mentioned first mounting surface 11
It sets, then by the setting, the size for being conducive to the position for making the first frame 1 protrude from protection glass 3 in the vertical direction is smaller,
To be advantageously implemented Rimless or narrow frame design.In addition, the second structure chamber 201 and the second functional chamber 202 of the present embodiment
It arranges along the vertical direction, and the second functional chamber 202 is set to the lower section of the second structure chamber 201, specifically, the second functional chamber 202
It with second mounting surface 21 is the appearance 204 of frame towards consistent outer surface on chamber shell wall, appearance 204 is located at the
The lower section of two mounting surfaces 21, then when interactive intelligent tablet computer 100 or intelligent writing device use the frame, due in the second function
The functional module groups such as key mould group, welding bell group and/or front end submodule group can be assembled on chamber 202, thus, the appearance 204
The corresponding functor of these functional module groups (such as key, loudspeaker etc.) can be presented to the user with front formal intuition, favorably
In promotion user experience.
Referring to shown in Fig. 7 to Figure 10, the frame of the present embodiment further includes the side frame 5 with connecting cavity, the connecting cavity
Length direction along side frame 5 extends, and the first end of side frame 5 is connected by the first corner pieces 6 with the first frame 1, and the
The first end of one corner pieces 6 is inserted in first structure chamber 101, and the second end of the first corner pieces 6 is inserted in connecting cavity, side
The second end of frame 5 is connect by the second corner pieces 7 with second frame 2, and the first end of the second corner pieces 7 is inserted in second
In structure chamber 201, the second end of the second corner pieces 7 is also inserted in connecting cavity；Thereby, it is possible to by the first frame 1, the second frame
2 and two above-mentioned side frames 5 connect, form the frame of the present embodiment, the connection structure is solid and reliable, and is easy to real
It is existing.
Referring to fig. 2, Fig. 7 and Figure 11, the present embodiment also provide a kind of interactive intelligent tablet computer 100, including protection glass 3 and
Above-mentioned frame, protection glass 3 are bonded on frame by double-sided adhesive 4, which can be used above-mentioned any embodiment
Frame.
Referring back to Fig. 7 and Figure 11, the present embodiment also provides a kind of intelligent writing device comprising blackboard body 200 and
Above-mentioned interactive intelligent tablet computer 100, blackboard body 200 include the outer framework 2001 with the first external chamber and the second external chamber,
Outer framework 2001 is connect by the first connection shaft 8 and the second connection shaft 9 with above-mentioned frame, and the first connection shaft 8
Both ends be inserted in the first functional chamber 102 and the first external chamber respectively, the both ends of the second connection shaft 9 are inserted in second respectively
In functional chamber 202 and the second external chamber.Thereby, it is possible to by blackboard body 200 and interactive intelligent tablet computer 100 connect into one it is whole
Body constitutes complete intelligent blackboard.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these
Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this
In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvement and deformations can also be made, these improve and become
Shape is also considered as the protection scope of the utility model.
Claims (12)
1. a kind of frame, which is characterized in that including upper and lower spaced first frame and the second frame along the vertical direction, institute
Stating the first frame includes first structure chamber and the first functional chamber, and the first structure chamber and first functional chamber are respectively along institute
The length direction for stating the first frame extends parallel, and the outer surface of the chamber shell wall of the first structure chamber is equipped with for being bonded protection glass
First mounting surface of glass, second frame include the second structure chamber and the second functional chamber, the second structure chamber and described the
Length direction of two functional chambers respectively along second frame extends parallel, and the outer surface of the chamber shell wall of the second structure chamber is set
There is the second mounting surface for being bonded protection glass.
2. frame according to claim 1, which is characterized in that between the first structure chamber and first functional chamber
Separately by the first support rod, the second structure chamber and second functional chamber pass through the second support rod separately.
3. frame according to claim 1, which is characterized in that the first structure chamber and first functional chamber along with
The perpendicular direction of first mounting surface is arranged side by side.
4. frame according to claim 1, which is characterized in that with described second on the chamber shell wall of second functional chamber
Mounting surface is the appearance of the frame towards consistent outer surface, and the appearance is located at second mounting surface
Lower section.
5. frame according to claim 4, which is characterized in that the second structure chamber and second functional chamber are along perpendicular
Histogram is to arrangement, and second functional chamber is set to the lower section of the second structure chamber.
6. frame according to claim 1, which is characterized in that first mounting surface is equipped with for preventing the guarantor
The first locating part that shield glass moves in the horizontal direction, second mounting surface are equipped with for preventing the protection glass along perpendicular
Histogram is to the second mobile locating part.
7. frame according to claim 6, which is characterized in that first locating part includes perpendicular to first peace
First limit plate in dress face, first limit plate are located at the side of the end of the protection glass, and first limit plate is remote
The second limit plate is arranged in one end from first mounting surface, and second limit plate and the first installation face interval setting are simultaneously
The limiting slot of the end for accommodating the protection glass is formed therebetween；Second locating part is projection described the
Boss on two mounting surfaces, the boss is perpendicular to second mounting surface.
8. frame according to claim 1, which is characterized in that further include the side frame with connecting cavity, the connection
Chamber extends along the length direction of the side frame, and the first end of the side frame passes through the first corner pieces and the first frame phase
Connection, and the first end of first corner pieces is inserted in the first structure chamber, the second end of first corner pieces is inserted
In the connecting cavity, the second end of the side frame is connect by the second corner pieces with second frame, and described the
The first end of two corner pieces is inserted in the second structure chamber, and the second end of second corner pieces is also inserted in the connection
In chamber.
9. a kind of interactive intelligent tablet computer, which is characterized in that including protection glass and as claimed in any one of claims 1 to 8
Frame, the protection glass are bonded on the frame.
10. a kind of intelligent writing device, which is characterized in that including blackboard body and interactive intelligence as claimed in claim 9
Plate, the blackboard body include the outer framework with the first external chamber and the second external chamber, and the outer framework connects by first
Spindle part and the second connection shaft and connect with the frame, and the both ends of first connection shaft be inserted in respectively it is described
In first functional chamber and the first external chamber, the both ends of second connection shaft be inserted in respectively second functional chamber and
In the second external chamber.
11. intelligent writing device according to claim 10, which is characterized in that installation is functional in second functional chamber
Mould group.
12. intelligent writing device according to claim 11, which is characterized in that the functional module group is key mould group, loudspeaker
Mould group and/or preposition Terminals Die group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721654978.5U CN208507000U (en) | 2017-11-30 | 2017-11-30 | Frame, interactive intelligent tablet computer and intelligent writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721654978.5U CN208507000U (en) | 2017-11-30 | 2017-11-30 | Frame, interactive intelligent tablet computer and intelligent writing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208507000U true CN208507000U (en) | 2019-02-15 |
Family
ID=65302306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721654978.5U Active CN208507000U (en) | 2017-11-30 | 2017-11-30 | Frame, interactive intelligent tablet computer and intelligent writing device |
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| Country | Link |
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| CN (1) | CN208507000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290239A (en) * | 2019-06-17 | 2019-09-27 | Oppo（重庆）智能科技有限公司 | Electronic equipment |
| CN111309170A (en) * | 2019-05-23 | 2020-06-19 | 深圳市鸿合创新信息技术有限责任公司 | Electronic display device |
| CN113706940A (en) * | 2021-08-31 | 2021-11-26 | 安徽四季电子科技有限公司 | Extremely narrow intelligent blackboard and preparation method thereof |
-
2017
- 2017-11-30 CN CN201721654978.5U patent/CN208507000U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111309170A (en) * | 2019-05-23 | 2020-06-19 | 深圳市鸿合创新信息技术有限责任公司 | Electronic display device |
| CN110290239A (en) * | 2019-06-17 | 2019-09-27 | Oppo（重庆）智能科技有限公司 | Electronic equipment |
| CN113706940A (en) * | 2021-08-31 | 2021-11-26 | 安徽四季电子科技有限公司 | Extremely narrow intelligent blackboard and preparation method thereof |
| CN113706940B (en) * | 2021-08-31 | 2023-02-28 | 安徽四季电子科技有限公司 | Extremely narrow intelligent blackboard and preparation method thereof |
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