CN108881582A - Hand-written protective case - Google Patents
Hand-written protective case Download PDFInfo
- Publication number
- CN108881582A CN108881582A CN201810848830.8A CN201810848830A CN108881582A CN 108881582 A CN108881582 A CN 108881582A CN 201810848830 A CN201810848830 A CN 201810848830A CN 108881582 A CN108881582 A CN 108881582A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- crystal display
- hand
- mobile phone
- protective case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 95
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 97
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000013461 design Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of hand-written protective cases; the hand-written protective case includes the inner cavity surrounded by mobile phone protective cover shell and mobile phone protective cover cover board; this is interior intracavitary equipped with control system, and liquid crystal display is inserted into the inner cavity and can simultaneously slide wherein, to be electrically connected with the control system；Mobile phone protective cover shell one end is equipped with card slot, and the liquid crystal display bottom surface is equipped with transplanting plate, and the liquid crystal display and the transplanting plate can slide into the card slot and contact to form electrical connection with the control system；The control system includes pcb board, button cell and two elastic conducting strips；The liquid crystal display and the transplanting plate are moved up and down along the card slot direction; until two elastic conducting strips distinguish Elastic Contact two second conductive sheets; so that the liquid crystal display is electrically connected with the pcb board, realize that the hand-written protective case records emergence message in time and limitation is not present in use occasion by pressing the liquid crystal display.
Description
Technical field
The present invention relates to handwriting pad application fields, and in particular, to a kind of hand-written protective case.
Background technique
Mobile phone is widely used at present, and use groups are more extensive, and almost everyone possesses an at least mobile phone, and mobile phone
Protective case is leaned in shell protection entirely, and protective case formed using rubber injection mold, and rubber has elasticity so that protective case to mobile phone outside
Shell plays the role of buffer protection；Growing mobile phone has driven the sale of protective case, in order to adapt to the change in protective case market
Change, the research and development of protective case tend to multifunction.
Information is recorded on mobile phone needs following operation：Mobile phone unlock-opening " memorandum " APP- uses phonetic or five
Stroke input method carries out text input-preservation, realizes the recording-related information on mobile phone by completing aforesaid operations, while having needed
Certain time is needed at aforesaid operations；It is long using mobile phone record time consumption in the case where facing emergence message record case, Wu Faji
When record and emergence message and save on mobile phone, and it is more accurate using handwriting mode record information.
It is disclosed on mouse pad in Chinese patent " the mouse pad CN206627932U with liquid crystal handwriting pad and wireless charging "
The function of integrated liquid crystal handwriting pad and wireless charging, the function that liquid crystal handwriting pad is wherein integrated on mouse pad is substantially by finished fluid
Brilliant handwriting pad is simply embedded on mouse pad, so that mouse pad has the function of that liquid crystal handwriting pad, mouse pad replace mobile phone note
The tool of information is recorded, and cannot be interacted with mobile phone；People use mobile phone at any time on various occasions, need promptly to record information
Place exist uncertain, and mouse pad only substitutes mobile phone in office and records emergence message, and mouse pad uses field
It closes and is limited, not can effectively solve substitution mobile phone record emergence message.
Summary of the invention
The present invention provides a kind of hand-written protective case, cannot record emergence message in time to solve existing mobile phone in above-mentioned background
With the deficiency of record emergence message occasion limitation；The hand-written protective case includes by mobile phone protective cover shell and mobile phone protective cover
The inner cavity that cover board surrounds, this is interior intracavitary equipped with control system, and liquid crystal display is inserted into the inner cavity and can simultaneously slide wherein, from
And it is electrically connected with the control system；Mobile phone protective cover shell one end is equipped with card slot, and the liquid crystal display bottom surface is equipped with
Plate is transplanted, the liquid crystal display and the transplanting plate can slide into the card slot and contact to be formed with the control system
Electrical connection；The control system includes pcb board, button cell and two elastic conducting strips；The button cell is the pcb board
Power supply；Two elastic conducting strips pass through the two sides that conducting wire is connected electrically in the pcb board respectively；The liquid crystal display front end
Two sides are respectively equipped with the second conductive sheet；The transplanting plate is equipped with limiting groove, and limiting groove front end two sides are respectively equipped with
Strip grooves；The liquid crystal display is embedded in the limiting groove, and second conductive sheet is embedded in the strip grooves；The liquid crystal
Display screen and the transplanting plate are moved up and down along the card slot direction, until two elastic conducting strips are distinguished described in Elastic Contact two
Second conductive sheet is realized so that the liquid crystal display is electrically connected with the pcb board by pressing the liquid crystal display
The hand-written protective case records emergence message and use occasion there is no limitation in time, and the hand-written protective case is at any time always
Fitting phone housing；Reset key is arranged in the pcb board surface；The reset key is arranged in the mobile phone protective cover enclosure bottom
The recessed film of elasticity of side；Realize that one key of information recorded on the liquid crystal display is removed by pressing the recessed film of elasticity, from
And it realizes the liquid crystal display and is recycled for multiple times；The recessed film setting of elasticity is in the mobile phone protective cover enclosure bottom, side
Persons who happens to be on hand for an errand use, and meet ergonomic design.
Technical scheme is as follows：
A kind of hand-written protective case includes the inner cavity surrounded by mobile phone protective cover shell and mobile phone protective cover cover board, this is interior intracavitary
Equipped with control system, liquid crystal display is inserted into the inner cavity and can slide wherein, to be electrically connected with the control system；
It is slided up and down by the liquid crystal display to the control system, realizes that the liquid crystal display and the control system pinpoint
Contact induction.
Further, mobile phone protective cover shell one end is equipped with card slot, and the liquid crystal display bottom surface is equipped with transplanting plate, institute
Stating liquid crystal display and the transplanting plate can slide into the card slot and contact to form electrical connection with the control system；Institute
It states liquid crystal display and the transplanting plate is moved up and down along the card slot direction, the liquid crystal display is facilitated to stretch out and pass through
It presses the liquid crystal display and realizes that the hand-written protective case records emergence message in time, the hand-written protective case use occasion is not
There are limitation, the hand-written protective case fitting mobile phone or other mobile electronic devices always.
Further, the control system includes pcb board, button cell and two elastic conducting strips；The button cell is
The pcb board power supply；Two elastic conducting strips pass through the two sides that conducting wire is connected electrically in the pcb board respectively, realize two
The elastic conducting strip positioning electrical contact, keeps liquid crystal display information under not on-state to retain for a long time.
Further, liquid crystal display front end two sides are respectively equipped with the second conductive sheet；The transplanting plate is equipped with limit
Groove, limiting groove front end two sides are respectively equipped with strip grooves；The liquid crystal display is embedded in the limiting groove, and described the
Two conductive sheets are embedded in the strip grooves；The liquid crystal display and the transplanting plate are moved up and down along the card slot direction, until
Two elastic conducting strips distinguish Elastic Contact two second conductive sheets, so that the liquid crystal display and the PCB
Plate electrical connection；The elastic conducting strip and the elastic conducting strip can be common metallic conduction piece, and the present invention preferentially selects
Copper current-conducting piece.
Further, reset key is arranged in the pcb board surface；The mobile phone protective cover enclosure bottom setting reset is pressed
The recessed film of elasticity of key side；Clear area is arranged in the recessed film side of elasticity；The liquid crystal is realized by pressing the recessed film of the elasticity
One key of information recorded on display screen is removed, to realize that the liquid crystal display is recycled for multiple times；The recessed film of elasticity is set
It sets in the mobile phone protective cover enclosure bottom, is convenient for people to use, meets ergonomic design.
Further, the hand-written protective case further includes writing pencil, and the mobile phone protective cover shell setting fixation is described hand-written
First groove of pen；The liquid crystal display, which is pressed, by the writing pencil realizes that the hand-written protective case records urgent letter in time
Breath.
Further, the limit hole of the fixed writing pencil of mobile phone protective cover shell side setting, is realized described hand-written
The positioning of pen, facilitates people laterally to pick and place the writing pencil.
Compared with prior art, the hand-written protective case of the present invention has the advantages that：
1, the liquid crystal display and the transplanting plate are moved up and down along the card slot direction, until two elastic conducting strips
The strip grooves are extended through to contact with two second conductive sheets on the liquid crystal display, the liquid crystal display with
The pcb board electrical connection facilitates the liquid crystal display to stretch out and presses the liquid crystal display reality using the writing pencil
The existing hand-written protective case records emergence message in time, and limitation is not present in the hand-written protective case use occasion, described hand-written
Protective case fitting mobile phone always.
2, realize that one key of information recorded on the liquid crystal display is removed by pressing the recessed film of elasticity, to realize
The liquid crystal display is recycled for multiple times；The recessed film of elasticity is arranged in the mobile phone protective cover enclosure bottom, facilitates people
It uses, meets ergonomic design.
3, two elastic conducting strips pass through the two sides that conducting wire is connected electrically in the pcb board respectively, realize described in two
Elastic conducting strip positioning electrical contact, keeps liquid crystal display information under not on-state to retain for a long time.
Detailed description of the invention：
Fig. 1 is the perspective view of the hand-written protective case of the present invention；
Fig. 2 is the main view of the hand-written protective case of the present invention；
Fig. 3 is the right view of the hand-written protective case of the present invention；
Fig. 4 is the rearview of the hand-written protective case of the present invention；
Fig. 5 is the explosive view of the hand-written protective case of the present invention；
Fig. 6 is the cross-sectional view of the line A-A along Fig. 2；
Fig. 7 is the internal structure chart of the mobile phone protective cover shell of the hand-written protective case of the present invention.
Mobile phone protective cover shell 1, mobile phone protective cover cover board 2, writing pencil 3, liquid crystal display 4, control system 5, transplanting plate
6, card slot 11, the recessed film 12 of elasticity, limit hole 13, back-off groove 14, the first groove 15, the second groove 16, set clear area 17, back-off
21, the second conductive sheet 41, pcb board 51, reset key 511, the first conductive sheet 52, button cell 53, elastic conducting strip 54, conducting wire
55, limiting groove 61, strip grooves 62.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig.1-6, a kind of hand-written protective case includes being surrounded by mobile phone protective cover shell 1 and mobile phone protective cover cover board 2
Inner cavity, this is interior intracavitary equipped with control system 5, and liquid crystal display 4 is inserted into the inner cavity and can slide wherein, thus with described
Control system 5 is electrically connected；The hand-written protective case further includes a writing pencil 3；2 side of the mobile phone protective cover cover board setting is multiple
Back-off 21；The back-off groove 14 that 1 surface of the mobile phone protective cover shell setting is fixedly connected with the back-off 21；By multiple described
Back-off 21 and the back-off of multiple back-off grooves 14 realize that the mobile phone protective cover cover board 2 and the mobile phone protective cover shell 1 are fixed
And form inner cavity；The writing pencil 3, liquid crystal display 4 and control system 5 are arranged at 1 and of mobile phone protective cover shell
The fixed inner cavity formed of the mobile phone protective cover cover board 2；The writing pencil 3 is arranged in 5 side of control system, the liquid crystal
Display screen 4 is arranged in 5 other side of control system；The first groove 15 and second is arranged in 1 surface of mobile phone protective cover shell
Groove 16, the fixed writing pencil 3 of first groove 15, the fixed control system 5 of second groove 16；The mobile phone
1 one end of protective case shell is equipped with card slot 11, and 4 bottom surface of liquid crystal display is equipped with transplanting plate 6, and the transplanting plate 6 is equipped with insertion
The limiting groove 61 of the liquid crystal display 4, to realize that the liquid crystal display 4 is fixed on 6 surface of transplanting plate；It is described
Liquid crystal display 4 and the transplanting plate 6 can slide into contact to be formed with the control system 5 in the card slot 11 and be electrically connected
It connects.
Referring to Fig. 5, the control system 5 includes pcb board 51, button cell 53 and two elastic conducting strips 54；The knob
Battery 53 is detained as the pcb board 51 power supply；Two elastic conducting strips 54 are connected electrically in the pcb board by conducting wire 55 respectively
51 two sides；It is welded on by two first conductive sheets 52 positive and negative on the pcb board 51 and with the button cell 53
Pole connection, realizes that the button cell 53 powers to the pcb board 51；Two symmetrical settings of elastic conducting strip 54 exist
The lower section of the pcb board 51, two elastic conducting strips 54 are connected to the two of the pcb board 51 by two conducting wires 55
Side realizes that two elastic conducting strips 54 are connected with the pcb board 51, to realize two elastic conducting strip positioning
Electrical contact, keeps liquid crystal display information under not on-state to retain for a long time.
The 4 front end two sides of liquid crystal display are respectively equipped with the second conductive sheet 41；The transplanting plate 6 is equipped with limiting groove
61, the 61 front end two sides of limiting groove are respectively equipped with strip grooves 62；By described in two second conductive sheets 41 and two
Elastic conducting strip 54 contacts respectively realizes that the liquid crystal display 4 is electrically connected with the pcb board 51；The liquid crystal display 4 is embedding
Enter the limiting groove 61, second conductive sheet 41 is embedded in the strip grooves 62；The liquid crystal display 4 and the transplanting plate
6 move up and down along 11 direction of card slot, until two elastic conducting strips 54 distinguish Elastic Contact two second conductive sheets
41, so that the liquid crystal display 4 is electrically connected with the pcb board 51, facilitates the liquid crystal display 4 to stretch out and use
The writing pencil 3 presses the liquid crystal display 4 and realizes that the hand-written protective case records emergence message, the hand-written protection in time
It covers use occasion and limitation, hand-written protective case fitting mobile phone always is not present；If described in the liquid crystal display 4 and two
Elastic conducting strip 54 is detached from, then the liquid crystal display 4 is in the state being not turned on, presently described liquid crystal with the pcb board 51
Pattern on display screen 4 cannot be eliminated by the pcb board 51, and the liquid crystal display is kept to believe under not on-state
Breath is long-term to be retained；The elastic conducting strip and the elastic conducting strip can be common metallic conduction piece, and the present invention preferentially selects
Use copper current-conducting piece.
Referring to Fig. 6, reset key 511 is arranged in 51 surface of pcb board；Institute is arranged in 1 bottom surface of mobile phone protective cover shell
State the recessed film 12 of elasticity of 511 side of reset key；Reset key 511 is arranged in 51 surface of pcb board；Outside the mobile phone protective cover
The recessed film 12 of elasticity of 511 side of reset key is arranged in 1 bottom surface of shell；The liquid crystal display 4 and the transplanting plate 6 are along described
11 direction of card slot moves down, until two elastic conducting strips 54 distinguish Elastic Contact two second conductive sheets 41, it is described
Liquid crystal display 4 is electrically connected with the pcb board 51 and is controlled by the pcb board 51, drives the reset by the recessed film 12 of compression elasticity
Key 511 pushes, and excites the pcb board 51 to realize that the pattern on the liquid crystal display 4 is realized and remove, completes the hand
One key of write-protect set is removed, so that the hand-written protective case is recycled；The recessed setting of film 12 of elasticity is protected in the mobile phone
1 bottom surface of sheath shell, is convenient for people to use, meets ergonomic design.
Referring to Fig. 3-7, clear area 17 is arranged in recessed 12 side of film of elasticity, and the pattern on the liquid crystal display 4 can lead to
Crossing the clear area 17 shows people to see, the pattern on the liquid crystal display 4 can be used as the label of the hand-written protective case.
1 side of the mobile phone protective cover shell setting limits the limit hole 13 of the writing pencil 3, and first groove 15 is solid
The fixed writing pencil 3, realizes the positioning of the writing pencil 3, people is facilitated laterally to pick and place the writing pencil 3.
Embodiment 1：
The writing pencil 3, liquid crystal display 4 and control system 5 are arranged at the mobile phone protective cover shell 1 and the hand
The inner cavity that machine protective case cover board 2 surrounds；The liquid crystal display 4 is embedded in the transplanting plate 6, and the liquid crystal display 4 is in
State upward；The liquid crystal display 4 and the transplanting plate 6 are moved down along 11 direction of card slot, until two elastic conductings
Electric piece 54 distinguishes Elastic Contact two second conductive sheets 41, and the liquid crystal display 4 is electrically connected with the pcb board 51, side
Toilet, which states the stretching of liquid crystal display 4 and presses the liquid crystal display 4 using the writing pencil 3, realizes the hand-written protective case
Limitation, hand-written protective case fitting hand always is not present in record emergence message in time, the hand-written protective case use occasion
Machine；It drives the reset key 511 to push by the recessed film 12 of compression elasticity, excites the pcb board 51 to realize the liquid crystal display
Pattern on screen 4, which is realized, to be removed, and the key for completing the hand-written protective case is removed, so that the hand-written protective case is recycled.
Embodiment 2：
The writing pencil 3, liquid crystal display 4 and control system 5 are arranged at the mobile phone protective cover shell 1 and the hand
The inner cavity that machine protective case cover board 2 surrounds；The liquid crystal display 4 is embedded in the transplanting plate 6, and the liquid crystal display 4 is in
State downward；The liquid crystal display 4 and the transplanting plate 6 are moved down along 11 direction of card slot, until two elastic conductings
Electric piece 54 distinguishes Elastic Contact two second conductive sheets 41, and the liquid crystal display 4 is electrically connected with the pcb board 51, side
Toilet, which states the stretching of liquid crystal display 4 and presses the liquid crystal display 4 using the writing pencil 3, realizes the hand-written protective case
Recording mark is mutually concerned about information；The liquid crystal display 4 and the transplanting plate 6 are moved up along 11 direction of card slot, institute
It states liquid crystal display 4 and two elastic conducting strips 54 is detached from, then the liquid crystal display 4 is in not with the pcb board 51
The state of conducting, label on presently described liquid crystal display 4 or is mutually concerned about that information cannot be disappeared by the pcb board 51
It removes, liquid crystal display information under not on-state is kept to retain for a long time, and people is showed by the clear area 17
See, the pattern on the liquid crystal display 4 can be used as the label of the hand-written protective case.
The present invention is not limited to above-mentioned specific embodiment, those skilled in the art from the above idea,
Without creative labor, the various transformation made all fall within protection scope of the present invention.
Claims (7)
1. a kind of hand-written protective case, it is characterised in that：Including being enclosed by mobile phone protective cover shell (1) and mobile phone protective cover cover board (2)
At inner cavity, this it is interior it is intracavitary be equipped with control system (5), liquid crystal display (4) is inserted into the inner cavity and can simultaneously slide wherein, from
And it is electrically connected with the control system (5).
2. hand-written protective case according to claim 1, it is characterised in that：Described mobile phone protective cover shell (1) one end is equipped with
Card slot (11), liquid crystal display (4) bottom surface are equipped with transplanting plate (6), the liquid crystal display (4) and the transplanting plate (6)
It can be slid into the card slot (11) and contact formation electrical connection with the control system (5).
3. hand-written protective case according to claim 1 or 2, it is characterised in that：The control system (5) includes pcb board
(51), button cell (53) and two elastic conducting strips (54)；The button cell (53) is the pcb board (51) power supply；Two
A elastic conducting strip (54) is connected electrically in the two sides of the pcb board (51) by conducting wire (55) respectively.
4. hand-written protective case according to claim 1-3, it is characterised in that：Liquid crystal display (4) front end
Two sides are respectively equipped with the second conductive sheet (41)；The transplanting plate (6) is equipped with limiting groove (61), before the limiting groove (61)
End two sides are respectively equipped with strip grooves (62)；The liquid crystal display (4) is embedded in the limiting groove (61), second conductive sheet
(41) strip grooves (62) are embedded in；The liquid crystal display (4) and the transplanting plate (6) are above and below the card slot (11) direction
It is mobile, until two elastic conducting strips (54) Elastic Contact two second conductive sheets (41) of difference, so that the liquid
Crystal display screen (4) is electrically connected with the pcb board (51).
5. hand-written protective case according to claim 1,2 or 4, it is characterised in that：Pcb board (51) the surface setting resets
Key (511)；The recessed film (12) of elasticity of reset key (511) side is arranged in mobile phone protective cover shell (1) bottom surface；Institute
State recessed film (12) side setting clear area (17) of elasticity.
6. hand-written protective case according to claim 1, it is characterised in that：The hand-written protective case further includes a writing pencil
(3), the first groove 15 of the fixed writing pencil (3) of mobile phone protective cover shell (1) setting.
7. hand-written protective case according to claim 6, it is characterised in that：Mobile phone protective cover shell (1) the side setting
The limit hole (13) of the fixed writing pencil (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848830.8A CN108881582B (en) | 2018-07-28 | 2018-07-28 | Handwriting protecting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848830.8A CN108881582B (en) | 2018-07-28 | 2018-07-28 | Handwriting protecting sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108881582A true CN108881582A (en) | 2018-11-23 |
| CN108881582B CN108881582B (en) | 2024-03-22 |
Family
ID=64306170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810848830.8A Active CN108881582B (en) | 2018-07-28 | 2018-07-28 | Handwriting protecting sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108881582B (en) |
Cited By (1)
| 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 |
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| CN108881582B (en) | 2024-03-22 |
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Address after: 518000 5th floor, building 3, No.5 Tianyuan Road, shutianpu community, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant after: Shenzhen liheyunji New Material Co.,Ltd. Address before: 518000 5th floor, building 3, No.5 Tianyuan Road, shutianpu community, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN RECLOUD TECHNOLOGY Co.,Ltd. |
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