CN208255763U - A kind of smart machine protective case with liquid crystal handwriting pad - Google Patents
A kind of smart machine protective case with liquid crystal handwriting pad Download PDFInfo
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- CN208255763U CN208255763U CN201820765219.4U CN201820765219U CN208255763U CN 208255763 U CN208255763 U CN 208255763U CN 201820765219 U CN201820765219 U CN 201820765219U CN 208255763 U CN208255763 U CN 208255763U
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- liquid crystal
- handwriting pad
- crystal layer
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- protective case
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Abstract
The utility model discloses a kind of smart machine protective cases with liquid crystal handwriting pad; belong to smart machine accessory technical field; it can match shell on intelligent devices by setting; and it is correspondingly arranged liquid crystal handwriting pad with multi-layer structure on the housing; the back side of protective case is set to have the function of hand-written and erasing; and the liquid crystal handwriting pad on protective case is the setting of multilayer liquid crystal layer; the switching of corresponding liquid crystal layer work and dormant state can be realized by adjusting the adjusting of unit; to realize the combination colour developing of different liquid crystal layers, the multicolor displaying of liquid crystal handwriting pad is realized.The smart machine protective case with liquid crystal handwriting pad of the utility model; its structure is simple; portability is high; it is easily operated; protection can be not only provided smart machine, also the function of writing and wipe can be sufficiently realized by the liquid crystal handwriting pad at the protective case back side, enrich the functionality and interest of protective case; promote the use value of protective case, specific preferable popularization and application foreground.
Description
Technical field
The utility model belongs to smart machine accessory technical field, and in particular to a kind of intelligence with liquid crystal handwriting pad is set
Standby protective case.
Background technique
With the rapid development and continuous improvement of people's living standards of smart machine technology, such as smart phone, plate
The application of the smart machines such as computer is very extensive, greatly improves the efficiency of people's liaison, enriches the amusement of people
Life.
In the prior art, to effectively reduce the damage of screen of intelligent device or avoiding colliding with for apparatus casing, often
The protective case to match, such as various forms of mobile phone shells, tablet computer protective sleeve can be set for smart machine, energy is set
Protection is provided for smart machine to a certain extent, deformation and damage of the equipment under by external force is reduced, avoids unnecessary
Economic loss.But existing common mobile phone shell and/or the function of smart machine protective case are more single, are unable to satisfy people
More functions need, and have certain limitation；In addition, in the prior art, although the utilization of liquid crystal handwriting pad is very wide
It is general but often more single in the presence of colour developing control, it is unfavorable for portable defect, so its application is limited to there is also certain
Property.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of with liquid crystal handwriting pad
Smart machine protective case can match shell on intelligent devices by setting, and is correspondingly arranged on the housing with more
The liquid crystal handwriting pad of layer structure so that protective case Corresponding matching on intelligent devices after, the back side of protective case have it is hand-written and
Function is wiped, and the liquid crystal handwriting pad on protective case is the setting of multilayer liquid crystal layer, can realize correspondence by adjusting the adjusting of unit
The switching of liquid crystal layer work and dormant state realizes the polychrome of liquid crystal handwriting pad to realize the combination colour developing of different liquid crystal layers
Display greatly improves the functional and liquid crystal handwriting pad portable of smart machine protective case while can protect smart machine
Property, the functionality of protective case is enriched, sufficiently meets people for the functional requirement of smart machine protective case.
To achieve the above object, the utility model provides a kind of smart machine protective case with liquid crystal handwriting pad, including
It can the shell of Corresponding matching on intelligent devices, which is characterized in that
The back side of the shell is provided with liquid crystal handwriting pad, and stacking is provided with first on the thickness direction of the liquid crystal handwriting pad
Liquid crystal layer and the second liquid crystal layer, first liquid crystal layer and second liquid crystal layer can reflect the visible light of different wave length respectively,
And first liquid crystal layer is provided with the first conductive layer, second liquid crystal layer on the surface of second liquid crystal layer
The second conductive layer is provided on the surface of first liquid crystal layer；And
Corresponding first liquid crystal layer and second liquid crystal layer are provided with adjusting unit, the adjustings unit and described the
One liquid crystal layer and second liquid crystal layer are respectively with electrical connection, and the number of plies of the adjustable liquid crystal layer that can be worked is to realize the liquid
The multicolor displaying of brilliant handwriting pad.
Be provided between first liquid crystal layer and second liquid crystal layer as a further improvement of the utility model, to
A few liquid crystal layer.
Is provided between first liquid crystal layer and second liquid crystal layer as a further improvement of the utility model,
Three conductive layers.
Be provided between first liquid crystal layer and second liquid crystal layer as a further improvement of the utility model, to
A few conductive layer.
Conductive layer is respectively arranged between two adjacent liquid crystal layers as a further improvement of the utility model,.
Each conductive layer corresponded in the liquid crystal handwriting pad as a further improvement of the utility model, is additionally provided with erasing
Unit, the erasing unit can act on the liquid between the two adjacent conductive layers respectively with each conductive layer to be electrically connected
Crystal layer is so that the colour developing trace on the liquid crystal handwriting pad is wiped.
The adjusting unit is corresponded on the shell as a further improvement of the utility model, and is provided with regulating switch,
The regulating switch, to be electrically connected, and can carry out multi-gear adjustment with the adjusting unit to adjust the liquid crystal layer that can be worked
The number of plies.
The erasing unit is corresponded on the shell as a further improvement of the utility model, and is provided with erasing switch,
It is with the erasing unit to be electrically connected.
As a further improvement of the utility model, first conductive layer away from first liquid crystal layer surface and
Second conductive layer is respectively arranged with the first base layer and the second base layer on the surface of second liquid crystal layer.
The liquid crystal handwriting pad is corresponded to as a further improvement of the utility model, and is provided with writing pencil, and in the shell
The back side correspondence of body offers the slot that can accommodate the writing pencil.
The smart machine is smart phone or tablet computer as a further improvement of the utility model,.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following
Beneficial effect:
(1) the smart machine protective case with liquid crystal handwriting pad of the utility model can be matched by setting in intelligence
Shell in equipment, and it is correspondingly arranged liquid crystal handwriting pad with multi-layer structure on the housing, so that protective case Corresponding matching
After on intelligent devices, the back side of protective case has the function of hand-written and erasing, and the liquid crystal handwriting pad on protective case is multilayer
Liquid crystal layer setting can realize the switching of corresponding liquid crystal layer work and dormant state, to realize not by adjusting the adjusting of unit
Combination with liquid crystal layer develops the color, and realizes that the multicolor displaying of liquid crystal handwriting pad substantially increases while can protect smart machine
The functionality of smart machine protective case and the portability of liquid crystal handwriting pad, enrich the function of protective case, sufficiently meet people
For the functional requirement of smart machine protective case；
(2) the smart machine protective case with liquid crystal handwriting pad of the utility model corresponds to each in liquid crystal handwriting pad
Liquid crystal layer is provided with corresponding conductive layer, realizes that the colour developing trace of multiple colour developing liquid crystal layers is wiped by it, control is simple, is easy to real
It is existing, further improve the application convenience of liquid crystal handwriting pad；
(3) the smart machine protective case with liquid crystal handwriting pad of the utility model, structure is simple, and portability is high, easily
In operation, not only can provide protection to smart machine, can also sufficiently be realized by the liquid crystal handwriting pad at the protective case back side writing with
The function of erasing enriches the functionality and interest of protective case, promotes the use value of protective case, specific preferable popularization and application
Prospect.
Detailed description of the invention
Fig. 1 is the overall structure signal of the smart machine protective case in the utility model embodiment with liquid crystal handwriting pad
Figure；
Fig. 2 is the structure rearview of the smart machine protective case in the utility model embodiment with liquid crystal handwriting pad；
Fig. 3 is the schematic diagram in A-A direction of the smart machine protective case in the utility model embodiment with liquid crystal handwriting pad；
Fig. 4 is the partial structurtes enlarged drawing of liquid crystal handwriting pad in the utility model embodiment；
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1. liquid crystal handwriting pads,
101, the first liquid crystal layer, 102. second liquid crystal layers, 103. first conductive layers, 104. second conductive layers, 105. first base layers,
106. the second base layer；2. shell, 201. slots, 202. erasing switches, 203. regulating switches.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it
Between do not constitute conflict and can be combined with each other.
The overall structure of smart machine protective case in the preferred embodiment in the utility model is as shown in Figures 1 and 2, packet
The liquid crystal handwriting pad 1 for including shell 2 and being arranged on shell 2.
Specifically, the shell 2 in preferred embodiment is in frame structure, as shown in fig. 1, with certain thickness frame
To be adapted to the thickness of smart machine, smart machine herein can be the smart phone of various sizes, be also possible to various rulers
Very little tablet computer also or is other tabular smart machine；Further, intelligence can be accommodated by being reserved in the frame of shell 2
Can equipment space so that frame can Corresponding matching on intelligent devices, and the back of smart machine and edge are enveloped,
And the size of shell 2 can carry out the size for being preferably such as suitable for various smart phones or is applicable according to the size of physical device
In the size etc. of all kinds of tablet computers；Further, it is preferable to which the shell 2 in embodiment can pass through rubber material or lightweight gold
Belong to material to be made, it is corresponding on the frame of shell 2 to offer corresponding hole to ensure the normal work of smart machine corresponding component,
Certainly, the hole opened up on the material of shell 2 and its frame can carry out preferably according to actual needs, this utilization phase in the prior art
The technological means of pass is easier to realize, be not specifically limited herein.
Further, it is preferable to which 2 back side of shell in embodiment is provided with liquid crystal handwriting pad 1, that is, deviate from screen of intelligent device
Side be provided with liquid crystal handwriting pad 1, the edge of the liquid crystal handwriting pad 1 is correspondingly embedded in shell 2 and forms the entirety of protective case
Structure, as shown in Figures 1 and 2, liquid crystal handwriting pad 1 are fixed with related art method in the prior art on shell 2
It is easier to realize, and the not emphasis of the utility model research, so this will not be repeated here.
Further, it is preferable to which the liquid crystal handwriting pad 1 in embodiment is the plate structure in cuboid, preferably by multilayer material
The corresponding fitting of material is formed, i.e., the corresponding material of multilayer is correspondingly arranged on the thickness direction of liquid crystal handwriting pad 1；Further, excellent
Selecting the liquid crystal handwriting pad 1 in embodiment includes two layers of liquid crystal layer, and two liquid crystal layers are stacked in liquid crystal handwriting pad 1.
Further and specifically, it is preferable to which the liquid crystal handwriting pad 1 in embodiment combines to be formed for six layer materials, including two layers of liquid crystal
Layer, i.e. the first liquid crystal 101 and the second liquid crystal layer 102, structure sectional view is as shown in Figures 3 and 4.Wherein, hand-written in liquid crystal
On the thickness direction of plate 1, the first liquid crystal layer 101 is preferably provided at the top of the second liquid crystal layer 102, i.e. one close to smart machine
Side, the upper surface of the first liquid crystal layer 101 corresponds to it and is provided with one layer of conductive layer, i.e. the first conductive layer 103, and the second liquid crystal layer
102 lower surface also corresponds to it and is provided with one layer of conductive layer, i.e. the second conductive layer 104；It is further preferred that when the first liquid crystal layer
101 and when larger 102 thickness of the second liquid crystal layer, is further preferably provided between the first liquid crystal layer 101 and the second liquid crystal layer 102
Three conductive layers, thus the first liquid crystal layer 101 by the first conductive layer 103 and the effect of third conductive layer between the two respectively, then by
The second liquid crystal layer 102 of second conductive layer 104 and the effect of third conductive layer between the two.
It is further preferred that the first base layer 105 is provided in the upper surface of the first conductive layer 103, to the first conduction
Layer 103 and liquid crystal layer offer protection below, and are provided with the second base layer 106 in the lower surface of the second conductive layer 104, with
It provides protection, the first base layer 105 and the second base in preferred embodiment to the liquid crystal layer of the second conductive layer 104 and its top
The soft film layer that body layer 106 is preferably made of transparent plastic, and can be more preferably PET film, above-mentioned soft film layer is set not
Only protection can be provided to the functional layer at 1 middle part of liquid crystal handwriting pad, moreover it is possible to the flexibility on 1 surface layer of liquid crystal handwriting pad be effectively ensured, pass through
Light pressure can realize colour developing；Certainly, the setting of base layer is also not limited to above-mentioned documented form, can also be according to reality
Need preferably other material, such as PVC material.
Further, it is preferable to which the multilayered structure of the liquid crystal handwriting pad 1 in embodiment fits closely setting, between each layer preferably
There is no gaps, this can effectively be realized by existing technological means, so this will not be repeated here；And it is each in preferred embodiment
The thickness of layer material is also not specifically limited, especially the thickness of liquid crystal layer, the first liquid crystal layer 101 and the second liquid crystal layer 102
Thickness may be the same or different, and the liquid crystal material selected with the second liquid crystal layer 102 of the first liquid crystal layer 101 can identical can also be with
It is different.
Further, it is preferable to which the liquid crystal layer in embodiment is cholesteryl liquid crystal, usually there is the first of scatter visible light
Stable state and the second stable state that can reflect specific wavelength light are in scatter visible light when liquid crystal layer is in non-pressured state
The first stable state, and when its compression power effect after, compression position can be switched to the second stable state, then reflect specific wavelength light
Line holds writing pencil when writing on the surface of liquid crystal handwriting pad 1, the liquid crystal layer in liquid crystal handwriting pad 1 is pressurized, and realizes stable state
Conversion, and then develop the color, realize the reservation of written trace and display, the colour developing principle of liquid crystal material is studied more in the prior art
Maturation, this will not be repeated here, and the liquid crystal layer in preferred embodiment is also not limited to using above-mentioned documented cholesteryl liquid crystal,
It can also be preferably the liquid crystal material of other forms such as smectic crystal, nematic crystal according to actual needs.
Further, it is preferable to 102 stress of the first liquid crystal layer 101 and the second liquid crystal layer in embodiment in liquid crystal handwriting pad 1
After be converted into the second stable state, and the wavelength of reflection described in two layers of the second stable state is different, i.e. the face that two liquid crystal layers are shown after being pressurized
Color is different, this can come real by adjusting means such as the types of the thickness of liquid crystal layer, the arrangement form of liquid crystal molecule, liquid crystal material
Existing, then the visible light of the different wave length of two liquid crystal layers 102 reflection can be overlapped mutually, and formation is different from two liquid crystal layers and respectively shows
The third color of color, so as to realize the aobvious of different colours by the number of plies for changing the colour developing liquid crystal layer of liquid crystal handwriting pad 1
Show, as developed the color while the single colour developing of the first liquid crystal layer 101, the single colour developing of the second liquid crystal layer 102 or two liquid crystal layers,
Then it can realize that three colors of liquid crystal handwriting pad 1 in preferred embodiment are shown, realize that multicolor displaying is colored in other words to a certain extent
Display.
Certainly, it is the diversity for making the colour developing color combination of liquid crystal handwriting pad 1, can passes through and increase by 101 He of the first liquid crystal layer
The liquid crystal layer number of plies between second liquid crystal layer 102, and/or realized by carrying out the means such as voltage processing to liquid crystal layer, it is above-mentioned
Liquid crystal layer in preferred embodiment is 2 layers, can also according to actual needs be more preferably 3 layers, 4 layers, 5 layers, 6 layers etc., with
This combination to form more colour developing schemes, realizes the colored display of liquid crystal handwriting pad 1, in the preferred embodiment in the utility model
Liquid crystal layer can be more preferably 2~8 layers；Correspondingly, above the first liquid crystal layer 101 for being located at 1 the top of liquid crystal handwriting pad
It is provided with conductive layer with respectively corresponding below the second liquid crystal layer of the lowermost 102, and when the first liquid crystal layer 101 and the second liquid crystal layer
After being provided at least one liquid crystal layer between 102, conduction can be provided between two adjacent liquid crystal layers in liquid crystal handwriting pad 1
Layer, conductive layer can also selectively be arranged between multiple liquid crystal layers, i.e., be not provided with conduction between two adjacent liquid crystal layers of part
Layer, and the setting form of conductive layer is also possible to be provided with two layers of liquid crystal layer etc. between two adjacent conductive layers；In short, conductive layer
Setting only need the erasing function of meeting liquid crystal layer, setting form can carry out preferably according to the actual situation.
Further, as shown in Figure 2, the middle part of shell 2 is arranged in liquid crystal handwriting pad 1, is reserved in one end of shell 2
Can accommodating part cavity, and be wherein equipped with the battery powered to liquid crystal handwriting pad 1, correspondingly, corresponding battery and liquid crystal
Handwriting pad 1 is provided with erasing unit and adjusts unit, is preferably provided with erasing circuit in the erasing unit in preferred embodiment, and
It adjusts and is preferably provided with adjusting circuit in unit, erasing circuit is corresponding to match connection with each conductive layer, can be pressurized in liquid crystal layer aobvious
Certain voltage is imposed after color to it, to make second regime shift first stable state of the liquid crystal layer from colour developing, realizes colour developing trace
The erasing of mark, principle studies more mature, the also not research emphasis of the utility model in the prior art, so do not do superfluous
It states.
Further, the adjusting circuit in adjusting unit, which is corresponded to, matches connection with each liquid crystal layer, provides electricity by battery for it
Power simultaneously makes it that can generate certain voltage between corresponding liquid crystal layer both ends, so that it is in the state not developed the color always, i.e.,
Make to be pressurized and also do not reflect visible light, and controlled liquid crystal layer will not preferably have an impact other liquid crystal layer, can then realize
The adjusting of multilayer liquid crystal layer controls, and obtains different liquid crystal layer colour developing combining forms, to realize that the polychrome of liquid crystal handwriting pad 1 is aobvious
Show；It is further preferred that corresponding erasing unit is respectively arranged with erasing switch 202 with adjusting unit on shell 2 and adjusting is opened
Close 203, as shown in fig. 1, regulating switch 203 can preferably carry out multi-gear adjustment, realize control to different liquid crystal layer combinations and
Switching.
In a preferred embodiment, when regulating switch 203 is in reset state, the first liquid crystal layer 101 and the second liquid crystal layer
102 can develop the color simultaneously；When being adjusted to 1 grade, the first liquid crystal layer 101 colour developing, the second liquid crystal layer 102 does not develop the color；When being adjusted to 2 grades,
First liquid crystal layer 101 does not develop the color, the second liquid crystal layer 102 colour developing, to form the adjusting of multi gear；Certainly, the adjusting of gear number with it is right
Answer liquid crystal layer work combine can also carry out according to actual needs it is other be preferably provided with, do not do excessively repeat herein, and liquid crystal layer
Number of plies increase after, can correspond to increase and/or change regulating switch 203 adjusting number of combinations.
It is further preferred that the battery in preferred embodiment can be lithium battery, dry cell or battery, setting
Form and type are not specifically limited in the preferred embodiment in the utility model, need to only complete function of supplying power；Further,
Correspond to liquid crystal handwriting pad 1 in preferred embodiment and be provided with lettering pen, hold its can liquid crystal handwriting pad 1 it is two-sided on write,
Its common written pen that nib can be provided with for front end can also be provided with the capacitance pen of capacitance component for front end, this is with existing
Related art method in technology is easier to realize, so this will not be repeated here, correspondingly, being provided on shell 2 can be accommodated
The slot 201 of writing pencil, is preferably provided on the back side of shell 2, as shown in Figures 2 and 3, the slot in preferred embodiment
201 lower half portion are the setting of semi-enclosed blind hole, and the length of writing pencil is less than the length of a slot 201, i.e. writing pencil can be from a slot
201 tops are put into, and are slid into 201 bottom of a slot and fixed.
With the smart machine protective case of liquid crystal handwriting pad in the utility model, structure is simple, and portability is high, not only may be used
Effectively realize the protection of smart machine, moreover it is possible to realize by the liquid crystal handwriting pad 1 at the protective case back side and write and wipe function, enrich
The function of protective case, improves its entertainment and interest, and liquid crystal handwriting pad 1 can by the control of regulating switch 203 come
Realize multicolor displaying, further improve the diversity of protective case function, increase the use value of protective case have preferable
Promote the use prospect.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of smart machine protective case with liquid crystal handwriting pad, including can the shell (2) of Corresponding matching on intelligent devices,
It is characterized in that,
The back side of the shell (2) is provided with liquid crystal handwriting pad (1), is stacked on the thickness direction of the liquid crystal handwriting pad (1)
There are the first liquid crystal layer (101) and the second liquid crystal layer (102), first liquid crystal layer (101) and second liquid crystal layer (102) can
The visible light of different wave length is reflected respectively, and first liquid crystal layer (101) is on the surface of second liquid crystal layer (102)
It is provided with the first conductive layer (103), second liquid crystal layer (102) is on the surface of first liquid crystal layer (101)
It is provided with the second conductive layer (104)；And
Corresponding first liquid crystal layer (101) and second liquid crystal layer (102) are provided with adjusting unit, the adjusting unit and
The liquid crystal layer that can be worked is adjusted respectively with electrical connection in first liquid crystal layer (101) and second liquid crystal layer (102)
The number of plies is to realize the multicolor displaying of the liquid crystal handwriting pad (1).
2. the smart machine protective case according to claim 1 with liquid crystal handwriting pad, wherein first liquid crystal layer
(101) at least one liquid crystal layer is provided between second liquid crystal layer (102).
3. the smart machine protective case according to claim 1 with liquid crystal handwriting pad, wherein first liquid crystal layer
(101) third conductive layer is provided between second liquid crystal layer (102).
4. the smart machine protective case according to claim 2 with liquid crystal handwriting pad, wherein first liquid crystal layer
(101) at least one conductive layer is provided between second liquid crystal layer (102).
5. the smart machine protective case according to claim 2 with liquid crystal handwriting pad, wherein two adjacent liquid crystal layers it
Between be respectively arranged with conductive layer.
6. the smart machine protective case according to any one of claims 1 to 5 with liquid crystal handwriting pad, wherein corresponding
Each conductive layer in the liquid crystal handwriting pad (1) is additionally provided with erasing unit, the erasing unit respectively with each conductive layer
With electrical connection, and the liquid crystal layer between the two adjacent conductive layers can be acted on so that colour developing on the liquid crystal handwriting pad (1)
Trace erasing.
7. the smart machine protective case according to any one of claims 1 to 5 with liquid crystal handwriting pad, wherein described
It corresponds to the adjusting unit on shell (2) to be provided with regulating switch (203), the regulating switch (203) and the adjusting unit
With electrical connection, and multi-gear adjustment can be carried out to adjust the number of plies for the liquid crystal layer that can be worked.
8. the smart machine protective case according to claim 6 with liquid crystal handwriting pad, wherein the shell (2) on pair
The erasing unit is answered to be provided with erasing switch (202), with the erasing unit to be electrically connected.
9. the smart machine protective case according to any one of claims 1 to 5 with liquid crystal handwriting pad, wherein in institute
The first conductive layer (103) are stated away from the surface of first liquid crystal layer (101) and second conductive layer (104) away from described the
The first base layer (105) and the second base layer (106) are respectively arranged on the surface of two liquid crystal layers (102).
10. the smart machine protective case according to any one of claims 1 to 5 with liquid crystal handwriting pad, wherein corresponding
The liquid crystal handwriting pad (1) is provided with writing pencil, and can accommodate the writing pencil in corresponding offer in the back side of the shell (2)
Slot (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820765219.4U CN208255763U (en) | 2018-05-22 | 2018-05-22 | A kind of smart machine protective case with liquid crystal handwriting pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820765219.4U CN208255763U (en) | 2018-05-22 | 2018-05-22 | A kind of smart machine protective case with liquid crystal handwriting pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255763U true CN208255763U (en) | 2018-12-18 |
Family
ID=66480390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820765219.4U Active CN208255763U (en) | 2018-05-22 | 2018-05-22 | A kind of smart machine protective case with liquid crystal handwriting pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208255763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109766029A (en) * | 2019-03-27 | 2019-05-17 | 乐写科技深圳有限公司 | A kind of double-sided screen handwriting board device |
| CN112241215A (en) * | 2019-07-18 | 2021-01-19 | 南京机器岛智能科技有限公司 | Method for intelligently adjusting critical voltage of liquid crystal handwriting board |
-
2018
- 2018-05-22 CN CN201820765219.4U patent/CN208255763U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109766029A (en) * | 2019-03-27 | 2019-05-17 | 乐写科技深圳有限公司 | A kind of double-sided screen handwriting board device |
| CN112241215A (en) * | 2019-07-18 | 2021-01-19 | 南京机器岛智能科技有限公司 | Method for intelligently adjusting critical voltage of liquid crystal handwriting board |
| CN112241215B (en) * | 2019-07-18 | 2024-01-30 | 南京机器岛智能科技有限公司 | Method for intelligently adjusting critical voltage of liquid crystal handwriting board |
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Effective date of registration: 20190605 Address after: Room A502, 159 Chengjiang Middle Road, Jiangyin City, Jiangsu Province, 214434 Patentee after: Wuxi Boston Environmental Protection Technology Co., Ltd. Address before: 518000 Guangan Gas Station Rear Building 302, Baoan Avenue, 83 District, Haiyu Community, Southwest Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Anyi Chain Technology Co., Ltd. |
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