CN207586945U - Face recognition device with light adjusting and wiping function - Google Patents
Face recognition device with light adjusting and wiping function Download PDFInfo
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- CN207586945U CN207586945U CN201721521540.XU CN201721521540U CN207586945U CN 207586945 U CN207586945 U CN 207586945U CN 201721521540 U CN201721521540 U CN 201721521540U CN 207586945 U CN207586945 U CN 207586945U
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Abstract
The utility model is related to a kind of face recognition devices with light adjusting and wiping function, including main body, acquisition camera, control button and display interface, further include light-operated mechanism and Wiping mechanism, light-operated mechanism includes lifting assembly and adjusting part, adjusting part includes housing, reciprocating member and two light shield devices, and Wiping mechanism includes roller and two moving assemblies.In the face recognition device with light adjusting and wiping function, pass through light-operated mechanism, it can be rotated and be in the light by barn door when light, can moved when brightness by light bulb and improve brightness, convenient for acquisition camera gathered data, improve the effect of recognition of face, by Wiping mechanism, the surface of control button can be cleaned, prevent dust, water mist from influencing button operation, by these, the practicability and reliability of face recognition device are substantially increased.
Description
Technical field
The utility model is related to field of biological recognition, more particularly to a kind of face with light adjusting and wiping function is known
Other equipment.
Background technology
Recognition of face is a kind of biological identification technology that the facial feature information based on people carries out identification.With camera shooting
Machine or camera acquisition image or video flowing containing face, and automatic detect and track face in the picture, and then to detection
The face that arrives carries out a series of the relevant technologies of face, usually also referred to as Identification of Images, face recognition.
Face recognition technology has been widely used in the every field in life, such as human face identification work-attendance checking equipment,
But in the actual use process or there are problems that, for example in the case where illumination is too strong or illumination is too weak, adopt
Collect the reason of camera is because of light, it is impossible to accurately identify face, needing people that identification is repeated several times could succeed, and such ten
Divide trouble, in addition, human face identification work-attendance checking equipment is when in use, the finger when dust stratification and the people of front one in control button are checked card
On the water mist that leaves, the control of button may be impacted so that button is insensitive, if problem above cannot be solved,
The practicability and reliability of face recognition device will be substantially reduced.
Utility model content
The technical problems to be solved in the utility model is：It is a kind of with light in order to overcome the deficiencies of the prior art and provide
Adjusting and the face recognition device of wiping function.
Technical solution is used by the utility model solves its technical problem：One kind has light adjusting and wiping function
Face recognition device, including main body, acquisition camera, control button and display interface, further include light-operated mechanism and cleaning machine
Structure, the light-operated mechanism and Wiping mechanism are arranged at the inside of main body；
The light-operated mechanism includes lifting assembly and adjusting part, and the adjusting part is arranged on the top of lifting assembly,
The lifting assembly is sequentially connected with adjusting part；
The adjusting part includes housing, reciprocating member and two light shield devices, the housing and is arranged on lifting assembly
Top, the reciprocating member and two light shield devices are arranged at the inside of housing；
The reciprocating member includes the first motor, half gear, two bar shaped gears, movable frame and light bulb, first electricity
Machine is horizontally set on the inside of housing, and first motor is connect with half gear drive, and the movable frame is horizontally disposed with and in shell
The internal slide of body, two bar shaped gears are horizontally set on the both sides up and down of the inner wall of movable frame and respectively about movable frames pair
Claim, half gear is arranged between two bar shaped gears, and half gear is engaged with bar shaped gear, and the light bulb is arranged on shifting
The lower section of dynamic frame；
Two light shield devices are separately positioned on both sides of housing and symmetrical about housing, and it is single that the light shield device includes driving
Member and swing unit, the driving unit are sequentially connected with swing unit, and the driving unit includes the second motor and driving wheel,
Second motor is horizontally set on the inside of housing, and second motor is sequentially connected with driving wheel；
The swing unit includes connecting rod, lantern ring, oscillating rod and barn door, and the oscillating rod is vertically arranged, the swing
The lower end of bar and housing hinge, the upper end of the oscillating rod are connected with barn door, and the barn door is vertically provided at the upper of housing
Side, the lantern ring are set on oscillating rod, and the lantern ring slides on oscillating rod, and one end and the lantern ring of the connecting rod are hinged, institute
The separate circle centre position of the other end and driving wheel for stating connecting rod is hinged；
The Wiping mechanism includes roller and two moving assemblies, the roller are vertically provided at the side of control button,
The roller is with main body against two moving assemblies are separately positioned on the both sides up and down of control button and, institute symmetrical about roller
It states moving assembly and includes third motor, screw, movable block and cylinder, the third motor is horizontally set on the inside of main body, institute
Screw to be stated to be horizontally disposed with, the middle part of the movable block is equipped with through-hole, be internally provided with and the matched internal thread of screw of the through-hole,
The screw via through holes pass through movable block, and the third motor is sequentially connected by screw and movable block, and the cylinder level is set
It puts on movable block, the gas bar of two cylinders is connected respectively with the upper and lower ends of roller.
Preferably, light adjusting is carried out, and the work of storage protection can also be played to control to adjust component lifting
With the lifting assembly includes electric pushrod, sliding shoe and expansion bracket, and the electric pushrod is arranged on the inside of main body, described
The push rod of electric pushrod is horizontally disposed with, and push rod and the sliding shoe of the electric pushrod are sequentially connected, and the sliding shoe is in main body
Internal slide, the expansion bracket is vertically arranged, and in the both ends of the downside of the expansion bracket, wherein the inside of one end and main body is cut with scissors
It connects, the other end is hinged with sliding shoe, and the both ends on the upside of the expansion bracket are arranged at the inside of housing and are slided in the inside of housing
It is dynamic.
Preferably, in order to make movable block moving along the direction horizontal stable of guide rod, the both sides of the movable block
If there are two guide rod, two guide rods are horizontally set on both sides up and down of movable block and symmetrical about screw respectively, described to lead
To bar and movable block against the guide rod is slidably connected with movable block.
Preferably, for the work for making third motor precise and stable, the third motor is servo motor.
Preferably, clearer for display, the display interface is liquid crystal display.
Preferably, movable block movement is excessive in order to prevent, the top of the screw is equipped with limited block.
Preferably, equipment remains to work on after powering off in order to prevent, the main body is internally provided with accumulator.
Preferably, reminding user to carry out voice broadcast, the main body is internally provided with loud speaker.
Preferably, for the ease of button operation, the control button is touch key.
Preferably, in order to carry out remote data transmission by antenna, so as to control device, the inside of the main body
Equipped with antenna.
The beneficial effects of the utility model are in the face recognition device that should have light adjusting and wiping function, to pass through
Light-operated mechanism, can be rotated by barn door when light and be in the light, and can be moved and improved by light bulb when brightness
Brightness convenient for acquisition camera gathered data, improves the effect of recognition of face, can be to control button by Wiping mechanism
Surface cleaned, prevent dust, water mist influence button operation, by these, substantially increase the reality of face recognition device
With property and reliability.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the face recognition device with light adjusting and wiping function of the utility model；
Fig. 2 is the structure of the lifting assembly of the face recognition device with light adjusting and wiping function of the utility model
Schematic diagram；
Fig. 3 is the structure of the adjusting part of the face recognition device with light adjusting and wiping function of the utility model
Schematic diagram；
Fig. 4 is the structure of the Wiping mechanism of the face recognition device with light adjusting and wiping function of the utility model
Schematic diagram；
In figure：1. main body, 2. acquisition cameras, 3. control buttons, 4. display interfaces, 5. electric pushrods, 6. sliding shoes, 7.
Expansion bracket, 8. housings, 9. first motors, 10. half gears, 11. bar shaped gears, 12. movable frames, 13. light bulbs, 14. second motors,
15. driving wheel, 16. connecting rods, 17. lantern rings, 18. oscillating rods, 19. barn doors, 20. third motors, 21. screws, 22. movable blocks,
23. cylinder, 24. rollers, 25. guide rods.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model.
As shown in Figure 1, a kind of face recognition device with light adjusting and wiping function, including main body 1, acquisition camera shooting
First 2, control button 3 and display interface 4, further include light-operated mechanism and Wiping mechanism, and the light-operated mechanism and Wiping mechanism are all provided with
It puts in the inside of main body 1；
The light-operated mechanism includes lifting assembly and adjusting part, and the adjusting part is arranged on the top of lifting assembly,
The lifting assembly is sequentially connected with adjusting part；
As shown in figure 3, the adjusting part includes housing 8, reciprocating member and two light shield devices, the housing 8 is set
In the top of lifting assembly, the reciprocating member and two light shield devices are arranged at the inside of housing 8；
The reciprocating member includes the first motor 9, half gear, 10, two bar shaped gears 11, movable frame 12 and light bulb 13, institute
The inside that the first motor 9 is horizontally set on housing 8 is stated, first motor 9 is sequentially connected with half gear 10, the movable frame 12
It is horizontally disposed with and in the internal slide of housing 8, two bar shaped gears 11 are horizontally set on the upper and lower of the inner wall of movable frame 12 respectively
Both sides and symmetrical about movable frame 12, half gear 10 is arranged between two bar shaped gears 11, half gear 10 and item
Shape gear 11 engages, and the light bulb 13 is arranged on the lower section of movable frame 12；
Two light shield devices are separately positioned on both sides of housing 8 and symmetrical about housing 8, and the light shield device includes driving
Unit and swing unit, the driving unit are sequentially connected with swing unit, and the driving unit includes the second motor 14 and drives
Driving wheel 15, second motor 14 are horizontally set on the inside of housing 8, and second motor 14 is sequentially connected with driving wheel 15；
The swing unit includes connecting rod 16, lantern ring 17, oscillating rod 18 and barn door 19, and the oscillating rod 18 is vertically set
It puts, the lower end of the oscillating rod 18 is hinged with housing 8, and the upper end of the oscillating rod 18 is connected with barn door 19, the barn door
19 are vertically provided at the top of housing 8, and the lantern ring 17 is set on oscillating rod 18, and the lantern ring 17 is sliding on oscillating rod 18
Dynamic, one end of the connecting rod 16 is hinged with lantern ring 17, and the other end of the connecting rod 16 is hinged with the separate circle centre position of driving wheel 15；
When daytime, sunray was too bright, at this point, the second motor 14 starts, driving wheel 15 rotates therewith, 15 turns of driving wheel
Dynamic that connecting rod 16 is driven to rotate, connecting rod 16 drives lantern ring 17 that can give oscillating rod 18 1 effects while being slided on oscillating rod 18
Power so that oscillating rod 18 is rotated around hinged place, and the rotation of oscillating rod 18 drives barn door 19 to rotate, by controlling the second motor 14
Rotation, barn door 19 can be caused to rotate certain angle and cover light, prevent excessive environment from causing shadow to face recognition
It rings, when that night glazed thread is too dark, the first motor 9 starts, and half gear 10 rotates therewith, and half gear 10 is distinguished during rotation
It is engaged with the bar shaped gear 11 of the both sides up and down of the inner wall of movable frame 12, so that movable frame 12 can move left and right, it is mobile
Frame 12 drives light bulb 13 to move, and light bulb 13 is opened, and is stopped after suitable position is moved to, so as to improve the intensity of light, just
In recognition of face.
As shown in figure 4, the Wiping mechanism includes roller 24 and two moving assemblies, the roller 24 is vertically provided at control
The side of button 3 processed, the roller 24 is with main body 1 against two moving assemblies are separately positioned on the both sides up and down of control button 3
And it is symmetrical about roller 24, the moving assembly includes third motor 20, screw 21, movable block 22 and cylinder 23, the third
Motor 20 is horizontally set on the inside of main body 1, and the screw 21 is horizontally disposed, and the middle part of the movable block 22 is equipped with through-hole, institute
It states being internally provided with for through-hole and passes through movable block 22, the third electricity with 21 matched internal thread of screw, 21 via through holes of screw
Machine 20 is sequentially connected by screw 21 and movable block 22, and the cylinder 23 is horizontally set on movable block 22, two cylinders 23
Upper and lower ends of the gas bar respectively with roller 24 are connected.
When needing to carry out control button 3 dust and water mist cleaning, third motor 20 starts, and screw 21 rotates therewith,
Screw 21 drives movable block 22 to move, while the gas bar elongation of cylinder 23, and roller 24 is driven to be stretched out from the inside of main body 1, is passed through
Control the steering of third motor 20 so that movable block 22 is carried out by the surface that cylinder 23 drives roller 24 to against control button 3
It cleans so that 3 surface cleaning of control button prevents dust, water mist from influencing button operation.
As shown in Fig. 2, preferably, light adjusting is carried out, and receipts can also be played to control to adjust component lifting
Receive the effect of protection, the lifting assembly includes electric pushrod 5, sliding shoe 6 and expansion bracket 7, and the electric pushrod 5 is arranged on master
The inside of body 1, the push rod of the electric pushrod 5 are horizontally disposed with, and push rod and the sliding shoe 6 of the electric pushrod 5 are sequentially connected, institute
Internal slide of the sliding shoe 6 in main body 1 is stated, the expansion bracket 7 is vertically arranged, in the both ends of the downside of the expansion bracket 7, wherein
One end and the inside of main body 1 are hinged, and the other end is hinged with sliding shoe 6, and the both ends of 7 upside of expansion bracket are arranged at housing 8
Inside and in the internal slide of housing 8.
Electric pushrod 5 starts, and the push rod of electric pushrod 5 drives sliding shoe 6 to be moved to the left, and sliding shoe 6 is provided to expansion bracket 7
One active force so that expansion bracket 7 drives adjusting part to rise to suitable height.
Preferably, in order to make the moving along the direction horizontal stable of guide rod 25 of movable block 22, the movable block 22
Both sides set there are two guide rod 25, two guide rods 25 are horizontally set on the both sides up and down of movable block 22 and respectively about screws
21 is symmetrical, and the guide rod 25 is with movable block 22 against the guide rod 25 is slidably connected with movable block 22.
Preferably, for the work for making third motor 20 precise and stable, the third motor 20 is servo motor.
Preferably, clearer for display, the display interface 4 is liquid crystal display.
Preferably, movable block 22 moves excessive in order to prevent, the top of the screw 21 is equipped with limited block.
Preferably, equipment remains to work on after powering off in order to prevent, the main body 1 is internally provided with accumulator.
Preferably, reminding user to carry out voice broadcast, the main body 1 is internally provided with loud speaker.
Preferably, for the ease of button operation, the control button 3 is touch key.
Preferably, in order to carry out remote data transmission by antenna, so as to control device, the main body 1 it is interior
Portion is equipped with antenna.
By lifting assembly, it can so that controlling to adjust component lifting plays the role of storage protection, by adjusting part,
It can be rotated and be in the light by barn door 19 when light, can moved when brightness by light bulb 13 and improve brightness,
Convenient for 2 gathered data of acquisition camera, the effect of recognition of face is improved, it, can be to the table of control button 3 by Wiping mechanism
Face is cleaned, and prevents dust, water mist from influencing button operation.
Compared with prior art, should be adjusted with light and face recognition device of wiping function in, by light-operated mechanism,
It can be rotated and be in the light by barn door 19 when light, can moved when brightness by light bulb 13 and improve brightness,
Convenient for 2 gathered data of acquisition camera, the effect of recognition of face is improved, it, can be to the table of control button 3 by Wiping mechanism
Face is cleaned, and is prevented dust, water mist from influencing button operation, by these, is substantially increased the practicability of face recognition device
And reliability.
Using the above-mentioned desirable embodiment according to the utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to novel technical scope on specification, it is necessary to which its technology is determined according to right
Property range.
Claims (10)
1. a kind of face recognition device with light adjusting and wiping function, including main body (1), acquisition camera (2), control
Button (3) and display interface (4), which is characterized in that further include light-operated mechanism and Wiping mechanism, the light-operated mechanism and cleaning machine
Structure is arranged at the inside of main body (1)；
The light-operated mechanism includes lifting assembly and adjusting part, and the adjusting part is arranged on the top of lifting assembly, described
Lifting assembly is sequentially connected with adjusting part；
The adjusting part includes housing (8), reciprocating member and two light shield devices, and the housing (8) is arranged on lifting assembly
Top, the reciprocating member and two light shield devices are arranged at the inside of housing (8)；
The reciprocating member includes the first motor (9), half gear (10), two bar shaped gears (11), movable frame (12) and light bulb
(13), first motor (9) is horizontally set on the inside of housing (8), and first motor (9) connects with half gear (10) transmission
It connects, the movable frame (12) is horizontally disposed and in the internal slide of housing (8), and two bar shaped gears (11) are horizontally set on respectively
The both sides up and down of the inner wall of movable frame (12) and about movable frame (12) symmetrically, half gear (10) is arranged on two bar shaped teeth
Between taking turns (11), half gear (10) is engaged with bar shaped gear (11), and the light bulb (13) is arranged under movable frame (12)
Side；
Two light shield devices be separately positioned on the both sides of housing (8) and about housing (8) symmetrically, the light shield device include driving
Unit and swing unit, the driving unit and swing unit are sequentially connected, the driving unit include the second motor (14) and
Driving wheel (15), second motor (14) are horizontally set on the inside of housing (8), second motor (14) and driving wheel
(15) it is sequentially connected；
The swing unit includes connecting rod (16), lantern ring (17), oscillating rod (18) and barn door (19), and the oscillating rod (18) is perpendicular
To setting, the lower end of the oscillating rod (18) and housing (8) are hinged, upper end and barn door (19) phase of the oscillating rod (18)
Even, the barn door (19) is vertically provided at the top of housing (8), and the lantern ring (17) is set on oscillating rod (18), described
Lantern ring (17) slides on oscillating rod (18), and one end of the connecting rod (16) is hinged with lantern ring (17), the connecting rod (16) it is another
One end and the separate circle centre position of driving wheel (15) are hinged；
The Wiping mechanism includes roller (24) and two moving assemblies, and the roller (24) is vertically provided at control button (3)
Side, the roller (24) and main body (1) are against two moving assemblies are separately positioned on the both sides up and down of control button (3)
And about roller (24) symmetrically, the moving assembly includes third motor (20), screw (21), movable block (22) and cylinder
(23), the third motor (20) is horizontally set on the inside of main body (1), and the screw (21) is horizontally disposed, the movable block
(22) middle part is equipped with through-hole, and be internally provided with and screw (21) matched internal thread of the through-hole, the screw (21) is through logical
Hole passes through movable block (22), and the third motor (20) is sequentially connected by screw (21) and movable block (22), the cylinder
(23) it is horizontally set on movable block (22), the upper and lower ends of the gas bars of two cylinders (23) respectively with roller (24) are connected.
2. the face recognition device with light adjusting and wiping function as described in claim 1, which is characterized in that the liter
Part of coming down to a lower group includes electric pushrod (5), sliding shoe (6) and expansion bracket (7), and the electric pushrod (5) is arranged on the interior of main body (1)
Portion, the push rod of the electric pushrod (5) are horizontally disposed with, and push rod and the sliding shoe (6) of the electric pushrod (5) are sequentially connected, institute
Internal slide of the sliding shoe (6) in main body (1) is stated, the expansion bracket (7) is vertically arranged, and the two of the downside of the expansion bracket (7)
In end, wherein one end and the inside of main body (1) is hinged, and the other end is hinged with sliding shoe (6), and two on the upside of the expansion bracket (7)
End is arranged at the inside of housing (8) and in the internal slide of housing (8).
3. the face recognition device with light adjusting and wiping function as described in claim 1, which is characterized in that the shifting
The both sides of motion block (22) are set there are two guide rod (25), and two guide rods (25) are horizontally set on the upper and lower of movable block (22) respectively
Both sides and about screw (21) symmetrically, the guide rod (25) and movable block (22) are against the guide rod (25) and movable block
(22) it is slidably connected.
4. adjust as described in claim 1 with light and the face recognition device of wiping function, which is characterized in that described the
Three motors (20) are servo motor.
5. the face recognition device with light adjusting and wiping function as described in claim 1, which is characterized in that described aobvious
It is liquid crystal display to show interface (4).
6. the face recognition device with light adjusting and wiping function as described in claim 1, which is characterized in that the silk
The top of bar (21) is equipped with limited block.
7. the face recognition device with light adjusting and wiping function as described in claim 1, which is characterized in that the master
Body (1) is internally provided with accumulator.
8. the face recognition device with light adjusting and wiping function as described in claim 1, which is characterized in that the master
Body (1) is internally provided with loud speaker.
9. the face recognition device with light adjusting and wiping function as described in claim 1, which is characterized in that the control
Button (3) processed is touch key.
10. the face recognition device with light adjusting and wiping function as described in claim 1, which is characterized in that described
Main body (1) is internally provided with antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521540.XU CN207586945U (en) | 2017-11-14 | 2017-11-14 | Face recognition device with light adjusting and wiping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521540.XU CN207586945U (en) | 2017-11-14 | 2017-11-14 | Face recognition device with light adjusting and wiping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207586945U true CN207586945U (en) | 2018-07-06 |
Family
ID=62731862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721521540.XU Active CN207586945U (en) | 2017-11-14 | 2017-11-14 | Face recognition device with light adjusting and wiping function |
Country Status (1)
| Country | Link |
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| CN (1) | CN207586945U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109002874A (en) * | 2018-09-06 | 2018-12-14 | 深圳市雷凌广通技术研发有限公司 | A kind of code reader with temperature control regulatory function based on block chain technology |
| CN109829404A (en) * | 2019-01-22 | 2019-05-31 | 广州市鹭江远科技有限公司 | A kind of Image Acquisition with light regulatory function clearly face recognition device |
| CN109840964A (en) * | 2019-01-22 | 2019-06-04 | 广州市鹭江远科技有限公司 | A kind of Time Attendance Device that the accuracy of identification with face identification functions is high |
| CN109859340A (en) * | 2019-01-21 | 2019-06-07 | 深圳市雷凌广通技术研发有限公司 | A kind of attendance recorder with face identification functions |
| CN109979028A (en) * | 2019-02-21 | 2019-07-05 | 深圳市中科智诚科技有限公司 | A kind of Time Attendance Device with cleaning and light-blocking function based on recognition of face |
-
2017
- 2017-11-14 CN CN201721521540.XU patent/CN207586945U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109002874A (en) * | 2018-09-06 | 2018-12-14 | 深圳市雷凌广通技术研发有限公司 | A kind of code reader with temperature control regulatory function based on block chain technology |
| CN109002874B (en) * | 2018-09-06 | 2020-10-30 | 山东同其信息科技有限公司 | Block chain technology-based code scanner with temperature control adjusting function |
| CN109859340A (en) * | 2019-01-21 | 2019-06-07 | 深圳市雷凌广通技术研发有限公司 | A kind of attendance recorder with face identification functions |
| CN109829404A (en) * | 2019-01-22 | 2019-05-31 | 广州市鹭江远科技有限公司 | A kind of Image Acquisition with light regulatory function clearly face recognition device |
| CN109840964A (en) * | 2019-01-22 | 2019-06-04 | 广州市鹭江远科技有限公司 | A kind of Time Attendance Device that the accuracy of identification with face identification functions is high |
| CN109979028A (en) * | 2019-02-21 | 2019-07-05 | 深圳市中科智诚科技有限公司 | A kind of Time Attendance Device with cleaning and light-blocking function based on recognition of face |
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| CP01 | Change in the name or title of a patent holder |
Address after: 210000 Longmian Avenue 568, High-tech Park, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Xiaoshi Technology (Jiangsu) Co.,Ltd. Address before: 210000 Longmian Avenue 568, High-tech Park, Jiangning District, Nanjing City, Jiangsu Province Patentee before: NANJING ZHENSHI INTELLIGENT TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |