CN108595056A - A kind of touch screen electrostatic protection apparatus and means of defence - Google Patents
A kind of touch screen electrostatic protection apparatus and means of defence Download PDFInfo
- Publication number
- CN108595056A CN108595056A CN201810483932.4A CN201810483932A CN108595056A CN 108595056 A CN108595056 A CN 108595056A CN 201810483932 A CN201810483932 A CN 201810483932A CN 108595056 A CN108595056 A CN 108595056A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- touch screen
- connecting plate
- conducting rod
- metal
- 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
- 239000002184 metal Substances 0.000 claims abstract description 43
- 230000000007 visual effect Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
- H05F3/025—Floors or floor coverings specially adapted for discharging static charges
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a kind of touch screen electrostatic protection apparatus and means of defences, including cabinet, metal fixed block, touch screen and sliding slot, the internal symmetry of the cabinet is provided with conducting rod, the metal fixed block is arranged in the side of conducting rod, the touch screen is placed on the top that metal places block, the bottom of the cabinet is provided with shaft, and round connecting plate is connected with below shaft, the upper surface of the circle connecting plate is equipped with threaded rod, the sliding slot is symmetrically opened in the left and right ends of round connecting plate, the front surface of the cabinet is equipped with cabinet door, and visual window is installed in cabinet door.The touch screen electrostatic protection apparatus, pass through the conducting rod being arranged in solid, it places block by metal fixed block on conducting rod and metal convenient for the electrostatic that generates touch screen and is transferred in conducting rod, electrostatic is discharged to earth's surface by conducting rod, the electrostatic problem of effective solution touch screen, it prevents electrostatic from being damaged to touch screen, increases the practicability of the device.
Description
Technical field
The present invention relates to touch screen technology field, specially a kind of touch screen electrostatic protection apparatus and means of defence.
Background technology
Touch screen is a kind of induction type liquid crystal display device of the input signals such as acceptable contact, with the development of economy,
Touch-screen applications are in multiple fields, in touch screen during manufacturing, carry out protectiveness for the touch screen made and deposit
Putting is very important, traditional touch screen protective device, does not have the function of antistatic, be easy to cause touch screen electrostatic product
It is tired so that touch screen breaks down in being applied to electronic product, while being also not easy to staff and taking touch in device
Screen, in view of the above-mentioned problems, carrying out innovative design on the basis of original protective device.
Invention content
The purpose of the present invention is to provide a kind of touch screen electrostatic protection apparatus and means of defences.
To solve to propose traditional touch screen protective device in above-mentioned background technology, do not have the function of antistatic, is easy
Cause touch screen accumulation of static electricity so that touch screen breaks down in being applied to electronic product, while being also not easy to staff
The problem of taking the touch screen in device.
To achieve the above object, the present invention provides the following technical solutions：A kind of touch screen electrostatic protection apparatus, including cabinet
The internal symmetry of body, metal fixed block, touch screen and sliding slot, the cabinet is provided with conducting rod, the metal fixed block setting
Metal is installed in the upper surface of the side of conducting rod, and metal fixed block and places block, the touch screen is placed on metal placement
The bottom of the top of block, the cabinet is provided with shaft, and round connecting plate is connected with below shaft, the circle connecting plate
Upper surface threaded rod is installed, and idler wheel is connected with below threaded rod, the sliding slot is symmetrically opened in round connecting plate
The front surface of left and right ends, the cabinet is equipped with cabinet door, and visual window is equipped in cabinet door.
Preferably, 2 conducting rods are symmetrically arranged in the cabinet, and the side spaced set of conducting rod has metal to put
Set block.
Preferably, the bottom and round connecting plate of the conducting rod and cabinet are through connection, and the bottom of conducting rod is in circle
Chondritic.
Preferably, the round connecting plate is rotatablely connected by shaft and cabinet, and the bottom area of cabinet is less than circle
The area of connecting plate.
Preferably, the threaded rod triangular shape is distributed in the top of round connecting plate, and threaded rod is connected by circle
The upper end vertical connection of fishplate bar and idler wheel.
Preferably, the sliding slot is arc-shaped structure, and sliding slot about round connecting plate center symmetric setting there are two.
Compared with prior art, the beneficial effects of the invention are as follows：The touch screen electrostatic protection apparatus,
1. block is placed by the multiple metal fixed blocks and metal being arranged on conducting rod, convenient for being stored to touch screen individual
Protection avoids generating shock between each other, causes touch screen impaired；
2. by the conducting rod being arranged in solid, the electrostatic convenient for generating touch screen passes through the metal fixed block on conducting rod
Block is placed with metal to be transferred in conducting rod, electrostatic is discharged to by earth's surface by conducting rod, the electrostatic of effective solution touch screen is asked
Topic, prevents electrostatic from being damaged to touch screen, increases the practicability of the device；
3. by the rotation connection of cabinet and round connecting plate, touch screen is taken in cabinet convenient for staff, increases the dress
The flexibility set；
4. it is connected with idler wheel by the threaded rod being arranged on round connecting plate, convenient for the height of round connecting plate is turned up,
So that conducting rod is detached with earth's surface, to facilitate the random movement of the device, the practicability of the device is increased.
Description of the drawings
Fig. 1 is internal structure schematic diagram of the present invention；
Fig. 2 is the whole positive structure diagram of the present invention；
Fig. 3 is the round connecting plate overlooking structure diagram of the present invention；
Fig. 4 is cabinet of the present invention and round connecting plate overlooking structure diagram.
In figure：1, cabinet；2, conducting rod；3, metal fixed block；4, metal places block；5, touch screen；6, shaft；7, round
Connecting plate；8, threaded rod；9, idler wheel；10, sliding slot；11, cabinet door；12, visual window.
Specific implementation mode
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 describes, 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.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of touch screen electrostatic protection apparatus, including cabinet 1,
Conducting rod 2, metal fixed block 3, metal place block 4, touch screen 5, shaft 6, round connecting plate 7, threaded rod 8, idler wheel 9, sliding slot
10, the internal symmetry of cabinet door 11 and visual window 12, cabinet 1 is provided with conducting rod 2, and 2 conducting rods 2 are symmetrically arranged in cabinet 1,
And the side spaced set of conducting rod 2 has metal fixed block 3, convenient for by touch screen 5 it is separated, avoid generating between each other
It hits, causes touch screen 5 impaired, conducting rod 2 runs through connection, and the bottom of conducting rod 2 with the bottom of cabinet 1 and round connecting plate 7
Portion is spherical structure, convenient for support is fixed to touch screen 5, also allows for absorbing the electrostatic that touch screen 5 generates, from
And so that electrostatic is transferred to by metal fixed block 3 in conducting rod 2, then earth's surface is discharged to by conducting rod 2, metal fixed block 3 is set
It sets in the side of conducting rod 2, and the upper surface of metal fixed block 3 is equipped with metal and places block 4, touch screen 5 is placed on metal and puts
The top of block 4 is set, the bottom of cabinet 1 is provided with shaft 6, and the lower section of shaft 6 is connected with round connecting plate 7, round connecting plate 7
It is rotatablely connected by shaft 6 and cabinet 1, and the bottom area of cabinet 1 is less than the area of round connecting plate 7, is conveniently adjusted cabinet 1
Orientation, user-friendly, the upper surface of round connecting plate 7 is equipped with threaded rod 8, and the lower section of threaded rod 8 is connected with
Idler wheel 9,8 triangular shape of threaded rod is distributed in the top of round connecting plate 7, and threaded rod 8 passes through round connecting plate 7 and idler wheel
9 upper end vertical connection, convenient for adjusting the height of round connecting plate 7 so that the bottom of conducting rod 2 is detached with earth's surface, facilitates cabinet
The movement of body 1 is provided a convenient to the use of user, and sliding slot 10 is symmetrically opened in the left and right ends of round connecting plate 7, cabinet
1 front surface is equipped with cabinet door 11, and visual window 12 is equipped in cabinet door 11, and sliding slot 10 is arc-shaped structure, and sliding slot 10 closes
In round connecting plate 7 center symmetric setting there are two, convenient for cabinet 1 rotate when drive 2 contact earth's surfaces conducting rods 2 carry out
Rotation, it is convenient to be provided to the use of user, increases the practicability of the device.
A kind of touch screen electrostatic protection apparatus and means of defence：When using the touch screen electrostatic protection apparatus, it can beat
The cabinet door 11 for opening cabinet 1, the metal that touch screen 5 is sequentially placed to 3 top of metal fixed block place the top of block 4, work as touch
When screen 5 generates electrostatic, it can be placed in block 4 for transmission to metal, then placing block 4 by metal is transferred in metal fixed block 3,
And then be transferred in conducting rod 2 by metal fixed block 3, it is passed finally by the ball of 2 bottom of conducting rod contacted with earth's surface
It is defeated to arrive the earth so that electrostatic is discharged outside cabinet 1, prevents electrostatic from causing undesirable influence to touch screen, is being used for convenience
Person is in use, can pass through the shaft 6 of 1 lower section of cabinet so that cabinet 1 is rotated on round connecting plate 7, while cabinet 1
The interior conducting rod 2 contacted with earth's surface can be slided in sliding slot 10, and then adjust the orientation of cabinet 1, facilitate staff's
It uses, when needing mobile whole device, the threaded rod 8 on round connecting plate 7 can be turned so that whorl brace rod
The pulley 9 of 8 lower sections is contacted to earth's surface, and when pulley 9 contacts earth's surface, stiction is generated with earth's surface, so that round connection
Plate 7 is widened with ground distance so that the conducting rod 2 for contacting earth's surface is detached with earth's surface, you can and push the device arbitrarily to move,
The visual window 12 being arranged in cabinet door 11 can observe the situation in cabinet 1, check whether careless mistake occur, increase entirety
Practicability.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of touch screen electrostatic protection apparatus, including cabinet（1）, metal fixed block（3）, touch screen（5）And sliding slot（10）,
It is characterized in that：The cabinet（1）Internal symmetry be provided with conducting rod（2）, the metal fixed block（3）It is arranged in conducting rod
（2）Side, and metal fixed block（3）Upper surface be equipped with metal place block（4）, the touch screen（5）It is placed on metal
Place block（4）Top, the cabinet（1）Bottom be provided with shaft（6）, and shaft（6）Lower section be connected with round connection
Plate（7）, the circle connecting plate（7）Upper surface threaded rod is installed（8）, and threaded rod（8）Lower section be connected with idler wheel
（9）, the sliding slot（10）Symmetrically it is opened in round connecting plate（7）Left and right ends, the cabinet（1）Front surface cabinet is installed
Door（11）, and cabinet door（11）On visual window is installed（12）.
2. a kind of touch screen electrostatic protection apparatus according to claim 1, it is characterised in that：The cabinet（1）It is interior symmetrical
It is provided with 2 conducting rods（2）, and conducting rod（2）Side spaced set have metal place block（4）.
3. a kind of touch screen electrostatic protection apparatus according to claim 1, it is characterised in that：The conducting rod（2）With cabinet
Body（1）Bottom and round connecting plate（7）Through connection, and conducting rod（2）Bottom be spherical structure.
4. a kind of touch screen electrostatic protection apparatus according to claim 1, it is characterised in that：The circle connecting plate（7）
Pass through shaft（6）With cabinet（1）Rotation connection, and cabinet（1）Bottom area be less than round connecting plate（7）Area.
5. a kind of touch screen electrostatic protection apparatus according to claim 1, it is characterised in that：The threaded rod（8）In three
Angular shape is distributed in round connecting plate（7）Top, and threaded rod（8）Pass through round connecting plate（7）With idler wheel（9）Upper end hang down
It is direct-connected to connect.
6. a kind of touch screen electrostatic protection apparatus according to claim 1, it is characterised in that：The sliding slot（10）In circular arc
Shape structure, and sliding slot（10）About round connecting plate（7）Center symmetric setting there are two.
7. a kind of touch screen electrostatic protection apparatus and means of defence, it is characterised in that：Specific means of defence：Using the touch screen
When electrostatic protection apparatus, cabinet can be opened（1）Cabinet door（11）, by touch screen（5）It is sequentially placed metal fixed block（3）On
The metal of side places block（4）Top, work as touch screen（5）When generating electrostatic, block can be placed for transmission to metal（4）In, then
Block is placed by metal（4）It is transferred to metal fixed block（3）In, and then pass through metal fixed block（3）It is transferred to conducting rod（2）
In, finally by the conducting rod contacted with earth's surface（2）The ball of bottom is transferred to the earth so that electrostatic is discharged cabinet（1）Outside,
Prevent electrostatic from causing undesirable influence to touch screen, for the convenience of the users in use, cabinet can be passed through（1）Lower section turns
Axis（6）So that cabinet（1）In round connecting plate（7）On rotated, while cabinet（1）The interior conducting rod contacted with earth's surface
（2）, can be in sliding slot（10）It is inside slided, and then adjusts cabinet（1）Orientation, facilitate the use of staff, needing to move
It, can be by round connecting plate when dynamic whole device（7）On threaded rod（8）It is turned so that whorl brace rod（8）Lower section
Pulley（9）It is contacted to earth's surface, works as pulley（9）When contacting earth's surface, stiction is generated with earth's surface, so that round connecting plate
（7）It is widened with ground distance so that contact the conducting rod of earth's surface（2）It is detached with earth's surface, you can push the device arbitrarily to move,
In cabinet door（11）The visual window of upper setting（12）It can be to cabinet（1）Interior situation is observed, and checks whether careless mistake occur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810483932.4A CN108595056B (en) | 2018-05-19 | 2018-05-19 | Touch screen electrostatic protection device and protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810483932.4A CN108595056B (en) | 2018-05-19 | 2018-05-19 | Touch screen electrostatic protection device and protection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108595056A true CN108595056A (en) | 2018-09-28 |
| CN108595056B CN108595056B (en) | 2024-06-11 |
Family
ID=63631910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810483932.4A Active CN108595056B (en) | 2018-05-19 | 2018-05-19 | Touch screen electrostatic protection device and protection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108595056B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114802068A (en) * | 2022-04-21 | 2022-07-29 | 东风柳州汽车有限公司 | Static elimination device and vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030041202A1 (en) * | 2001-07-25 | 2003-02-27 | Shih-Chieh Wang | Personal digital assistant with static electricity preventing function |
| CN204021573U (en) * | 2014-08-13 | 2014-12-17 | 成都派莱克科技有限公司 | A kind of for depositing the structure of touch-screen |
| CN205546406U (en) * | 2016-01-26 | 2016-08-31 | 河南民生特种装备有限公司 | Door portion takes centre gripping shield assembly's cell -phone electromagnetic shield cabinet |
| CN106535512A (en) * | 2015-09-11 | 2017-03-22 | 国网山东济南市长清区供电公司 | Convenient-to-fix anti-static power cabinet |
| US20170135188A1 (en) * | 2015-11-11 | 2017-05-11 | Rockwell Automation Technologies, Inc. | Electrostatic charge grounding for human machine interface equipment |
| CN206259709U (en) * | 2016-11-30 | 2017-06-16 | 珠海横琴鲲鹏新能源环保科技有限公司 | A kind of antistatic high-pressure static reactive power compensation device on fire |
| CN206302437U (en) * | 2016-12-16 | 2017-07-04 | 东莞市航触电子有限公司 | A kind of protective device for touch screen of cell phone |
| CN206365184U (en) * | 2017-01-20 | 2017-07-28 | 广州百镒金属制品有限公司 | A kind of rack with electrostatic-proof function |
| CN208110569U (en) * | 2018-05-19 | 2018-11-16 | 江苏中致显科技有限公司 | A kind of touch screen electrostatic protection apparatus |
-
2018
- 2018-05-19 CN CN201810483932.4A patent/CN108595056B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030041202A1 (en) * | 2001-07-25 | 2003-02-27 | Shih-Chieh Wang | Personal digital assistant with static electricity preventing function |
| CN204021573U (en) * | 2014-08-13 | 2014-12-17 | 成都派莱克科技有限公司 | A kind of for depositing the structure of touch-screen |
| CN106535512A (en) * | 2015-09-11 | 2017-03-22 | 国网山东济南市长清区供电公司 | Convenient-to-fix anti-static power cabinet |
| US20170135188A1 (en) * | 2015-11-11 | 2017-05-11 | Rockwell Automation Technologies, Inc. | Electrostatic charge grounding for human machine interface equipment |
| CN205546406U (en) * | 2016-01-26 | 2016-08-31 | 河南民生特种装备有限公司 | Door portion takes centre gripping shield assembly's cell -phone electromagnetic shield cabinet |
| CN206259709U (en) * | 2016-11-30 | 2017-06-16 | 珠海横琴鲲鹏新能源环保科技有限公司 | A kind of antistatic high-pressure static reactive power compensation device on fire |
| CN206302437U (en) * | 2016-12-16 | 2017-07-04 | 东莞市航触电子有限公司 | A kind of protective device for touch screen of cell phone |
| CN206365184U (en) * | 2017-01-20 | 2017-07-28 | 广州百镒金属制品有限公司 | A kind of rack with electrostatic-proof function |
| CN208110569U (en) * | 2018-05-19 | 2018-11-16 | 江苏中致显科技有限公司 | A kind of touch screen electrostatic protection apparatus |
Non-Patent Citations (2)
| Title |
|---|
| ABOOZAR GOLGOON, MAHMOOD ALIOFKHAZRAE， MANSOUR TOORANI: "Nanocomposite Protective Coatings Fabricated by Electrostatic Spray Method", 《PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES》, pages 192 * |
| 王爽;高瑞泽;尹旭阳;李戎焱;: "一种实用新型电气柜", 中外企业家, no. 23, pages 178 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114802068A (en) * | 2022-04-21 | 2022-07-29 | 东风柳州汽车有限公司 | Static elimination device and vehicle |
| CN114802068B (en) * | 2022-04-21 | 2024-03-22 | 东风柳州汽车有限公司 | Static electricity eliminating device and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108595056B (en) | 2024-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108595056A (en) | A kind of touch screen electrostatic protection apparatus and means of defence | |
| CN106870894A (en) | A kind of domestic television set apparatus for placing | |
| CN208110569U (en) | A kind of touch screen electrostatic protection apparatus | |
| CN206961018U (en) | A kind of computer display for being easy to regulation | |
| CN109378728A (en) | A kind of electrical cabinet being moved easily | |
| CN206454061U (en) | Multifunctional transfusion rack | |
| CN207676333U (en) | A kind of computer hardware comprehensive test device | |
| CN104075354B (en) | The touch display screen component of micro-wave oven | |
| CN209932210U (en) | Museum's historical relic show cupboard of adjustable show angle | |
| CN206391495U (en) | A kind of basketball stands | |
| CN206525859U (en) | A kind of Anti-theft show shelf of cell phone | |
| CN207744013U (en) | A kind of multi-functional receiver for putting mobile phone for desktop | |
| CN209487118U (en) | A kind of visual communication show brand that three-dimensional can show | |
| CN203731030U (en) | Protective supporting structure for tablet personal computer | |
| CN204005075U (en) | A kind of display stand | |
| CN108682311A (en) | A kind of touch LED display | |
| CN219049806U (en) | Multifunctional infusion support | |
| CN207591925U (en) | A kind of multi-functional chemical examination stent | |
| CN108150800A (en) | A kind of flat-panel monitor adjusts supporting rack | |
| CN217085614U (en) | Support touch-control intelligent display all-in-one that slides | |
| CN208110980U (en) | A kind of high definition curved surface Rimless liquid crystal display | |
| CN202005807U (en) | Medical instrument cabinet | |
| CN208339295U (en) | A kind of enterprise product promotional display device | |
| RU48742U1 (en) | DEVICE FOR MONITORING STATIC HUMAN STABILITY | |
| CN215060584U (en) | Screen lifting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240416 Address after: 518000 2nd floor, production building, 157 Huangpu Road, Shangliao community, Xinqiao street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN HE SHENG DA OPTOELECTRONICS CO.,LTD. Country or region after: China Address before: Room 1506, Building 1, Yanchuang Building, Yimin Neighborhood Committee and Directional Neighborhood Committee, Yanlong Street Office, Yandu District, Yancheng City, Jiangsu Province, 224000 (D) Applicant before: JIANGSU ZHONGZHIXIAN TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |