CN104639937B - Automatic test device of camera - Google Patents
Automatic test device of camera Download PDFInfo
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- CN104639937B CN104639937B CN201510063546.6A CN201510063546A CN104639937B CN 104639937 B CN104639937 B CN 104639937B CN 201510063546 A CN201510063546 A CN 201510063546A CN 104639937 B CN104639937 B CN 104639937B
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Abstract
The invention relates to an automatic test device of a camera, which is used for detecting the camera. The automatic test device comprises a worktable, a focusing template part arranged on the worktable, a focusing part arranged between the focusing template part and the worktable, a rotating platform for clamping the camera, a rotation driving part for driving the rotating platform to rotate and an image collector connected with the camera on the rotating platform by virtue of a signal, wherein the rotating platform comprises a shaft part used as a rotating axis and at least two installation parts surrounding the shaft part, the focusing part is arranged at one side of the rotating platform, after the rotating platform is positioned, the rotating platform is opposite to one installation part, the installation part is provided with a clamp part for fixing the camera, and the focusing part is provided with a debugging positioning fixture for adjusting the focal length of the camera corresponding to the focusing part. By adopting the automatic test device, the automatic detection is realized, and the working efficiency and detection precision are improved.
Description
Technical field
The present invention relates to a kind of ATE of photographic head.
Background technology
Micro-camera is typically in order to, on mobile communication terminal, the critical piece of minisize pick-up head is photographic head, photographic head
Quality directly affects the clear of image and imaging, and the test of current photographic head is divided into image measurement and focusing test, wherein existing
In some focusing tests, manual work is typically adopted to realize, so, work efficiency is relatively low, and the error rate detecting is also big.
In view of above-mentioned defect, the design people, actively research and innovation in addition, to founding a kind of shooting of new structure
The ATE of head is so as to more the value in industry.
Content of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of improve taking the photograph of work efficiency and accuracy of detection
ATE as head.
A kind of ATE of photographic head of the present invention, in order to detect photographic head, including workbench, is arranged on work
Focusing model part on platform, the focusing part being arranged between focusing model part and workbench, the rotation in order to clamp photographic head
Turn platform, drive the rotary drive of described rotation platform rotation and the image being connected with the camera signals on rotation platform to adopt
Storage, described rotation platform includes axle portion as center of rotation, encloses at least two installation portions being located at around axle portion, described tune
Burnt part is arranged on the side of rotation platform, and is oppositely arranged with one of installation portion after rotation platform positions, described installation
The clamp portion of fixing camera is provided with portion, described focusing part is provided with the tune of the corresponding focal length of photographic head of adjustment
Examination localization tool.
Further, each described installation portion is provided with the described clamp portion of at least two fixing cameras, described tune
The quantity of examination localization tool is identical with the quantity of the clamp portion of focusing part setting relatively.
Further, each described debugging localization tool include adjusting the focal length of corresponding photographic head focusing ring and
It is connected and controls the rotary module that focusing ring rotates with described focusing ring.
Further, the ATE of described photographic head also includes being arranged between focusing part and focusing model part
Relay lens, each described debugging localization tool be correspondingly arranged a relay lens.
Further, it is provided with sample table in described focusing model part, described sample table has some adjacent spaces and sets
The test block of the two kinds of colors put, the shape of described two test block is parallelogram.
Further, in described two test block a kind of test block be shaped as rhombus, being shaped as of another kind of test block
Square, wherein, the Minimum Internal Angle of rhombus is 80 °, and foursquare base is 5 ° with the angle on the base of sample table.
Further, described axle portion is axis hole, and described rotary drive has the rotating shaft being fixed in axis hole.
Further, described workbench is additionally provided with the keeper positioning described rotation platform.
Further, each described installation portion all offers location hole, described keeper has and is inserted into location hole
Interior guide pillar and the described guide pillar of driving insert and remove the cylinder of location hole.
Further, the opposite sides of described focusing model part is provided with fixed plate, and described workbench is vertically arranged
There is screw mandrel, described screw mandrel is provided with the traveling nut moving up and down along screw mandrel, described traveling nut is fixed on described fixed plate
On, the bottom of described screw mandrel is provided with driven pulley, and described workbench is additionally provided with motor, and described motor connection is to main belt
Wheel, is connected by transmission belt between described driving pulley and driven pulley.
By such scheme, the present invention at least has the advantage that due to focusing model part, focusing part, rotation platform
With cooperating it is achieved that Aulomatizeted Detect of image acquisition device, improve work efficiency and accuracy of detection.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description
Fig. 1 is the structural representation of the ATE of photographic head of the present invention；
Fig. 2 is the part-structure schematic diagram of Fig. 1；
Fig. 3 is the part-structure schematic diagram of Fig. 2；
Fig. 4 is the part-structure schematic diagram of Fig. 3；
Fig. 5 is the part-structure schematic diagram of Fig. 4；
Fig. 6 is the part-structure schematic diagram of Fig. 5；
Fig. 7 is the sample table of the ATE for the photographic head in Fig. 1；
Fig. 8 is the workflow diagram of the automatic test approach of photographic head of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Hereinafter implement
Example is used for the present invention is described, but is not limited to the scope of the present invention.
Referring to Fig. 1 to Fig. 6, a kind of ATE 100 of the photographic head described in a preferred embodiment of the present invention in order to
Detection photographic head 200, includings frame 1, the workbench 2 that is arranged in frame 1, is arranged on focusing model portion above workbench 2
Part 3, the focusing part 4 being arranged between focusing model part 3 and workbench 2, rotation platform 5, drive in order to clamp photographic head 200
Rotary drive 6 and the image acquisition being connected with photographic head 200 signal on rotation platform 5 that dynamic rotation platform 5 horizontally rotates
Device.Described frame 1 includes cabinet chamber (not shown) and is arranged on test chamber 11, this cabinet chamber and test chamber 11 above cabinet chamber
Separated by workbench 2.Described focusing model part 3, focusing part 4, rotation platform 5, rotary drive 6 and image acquisition device are equal
It is arranged in test chamber 11, the left and right sides of test chamber 11 and rear side arrange shrouding 12, the upside setting top board 13 of test chamber 11, survey
The front side in examination chamber 11 is provided with operation control panel 14.Pass through support 15 between described shrouding 12, top board 13 and workbench 2 to connect admittedly
Fixed, it is provided with cooling fan 16 on the shrouding 12 at test chamber 11 rear.It is provided with test section and upper in described test chamber 11
Discharging area, this loading and unloading area is located at the outside of test section.
It is provided with led light box (non-label) and sample table, this sample table is sfr or mtf sample in described focusing model part 3
Plate.The relative left and right sides of this focusing model part 3 is provided with fixed plate 31.Offer perforate in this fixed plate 31 (not marking
Number), it is equipped with screw mandrel 32 and optical axis 33 in perforate, perpendicular to workbench 2, optical axis 33 is located at screw mandrel 32 for this screw mandrel 32 and optical axis 33
Both sides, the bottom of optical axis 33 is fixed on cross bar 17, and this cross bar 17 is erected on front and back support 15.Arrange on described screw mandrel 32
There is the traveling nut 34 moving up and down along screw mandrel 32, be connected for screw-driven between screw mandrel 32 and traveling nut 34, traveling nut
34 are fixed in fixed plate 31, when traveling nut 34 moves up and down on screw mandrel 32, drive fixed plate 31 upper and lower displacement, and then carry
Dynamic focusing model part 3 is mobile.The bottom of described screw mandrel 32 is provided with driven pulley 36, and described workbench 2 is additionally provided with electricity
Machine 21, described motor 21 is connected with driving pulley 37, passes through transmission belt 22 even between described driving pulley 37 and driven pulley 36
Connect.Refer to Fig. 7, described sample table 35 is sfr model, its algorithm is based on iso12233 canonical algorithm, and this sample table 35 has
The test block (being respectively designated as the first test block 351 and the second test block 352) of two kinds of colors of some adjacent spaces settings, institute
The shape stating two kinds of test block 351,352 is parallelogram, in the present embodiment, the color of two kinds of test block 351,352
It is respectively black and white.In described two test block, the first test block 351 is shaped as rhombus, the shape of the second test block 352
Shape is square, and wherein, the Minimum Internal Angle of rhombus is 80 °, and foursquare base is 5 ° with the angle on the base of sample table 35.?
It is only necessary to can support multiple photographic head are tested using a sample table 35 simultaneously during test, and tested using this sample table 35
Shi Wuxu carries out complex technique and repaints new test table, you can any number of photographic head 200 is tested, so that
Obtain the restriction of not tested person photographic head quantity.
Described rotation platform 5 includes as the axle portion 51 of center of rotation and encloses at least two installations being located at around axle portion 51
Portion 52.In the present embodiment, axle portion 51 is axis hole, and installation portion 52 is be oppositely arranged on axle portion 51 both sides two, rotation driving
Part 6 drives the angle of rotation platform 5 rotation to be 180 ° every time.Really, in other embodiments, installation portion 52 can also be three
Individual or more.The clamp portion 53 of at least two fixing cameras 200 is provided with each installation portion 52, in the present embodiment, often
On individual installation portion 52, distribution is provided with four clamp portion 53.Location hole (non-label) is all offered on each installation portion 52, positioning
Pore size distribution is in the side of clamp portion 53.The keeper 23 of position rotating platform 5, this keeper are additionally provided with described workbench 2
23 have the guide pillar 231 being inserted into positioning in the hole and drive described guide pillar 231 to insert or remove the cylinder 232 of location hole.Logical
Cross the cooperation of this keeper 23 and location hole, so that stable testing.
Described focusing part 4 is arranged on the top of rotation platform 5, and it is only capable of blocking the 1/2 of rotation platform 5, when rotation platform 5
It is oppositely arranged about 52 with one of installation portion after positioning.This focusing part 4 includes multiple debugging localization tools 41, debugging positioning
The quantity of tool 41 is identical with the quantity of the clamp portion 53 of focusing part 4 setting relatively, is four.Each debugging localization tool 41 is adjusted
The focal length of whole corresponding photographic head 200, each debugging localization tool 41 includes adjusting Jiao of corresponding photographic head 200
Away from focusing ring 411 and be connected and control the rotary module 412 that focusing ring 411 rotates with described focusing ring 411.Described focusing part
4 are fixed on workbench 2 by lowering or hoisting gear 8, lifting seat 81 that this lowering or hoisting gear 8 includes being fixed on workbench 2, are fixed on
Mobile platform 82 on lifting seat 81 and the lifting motor 83 driving mobile platform 82, this lifting seat 81 is provided with lifting sliding rail
84, mobile platform 82 is coordinated with lifting sliding rail 84, moves up and down on lifting sliding rail 84, and focusing part 4 is fixed on mobile platform 82
On.
Described test section by workbench 2 with focusing part 4 formed, image acquisition device is arranged in test section, its with focusing part 4
It is oppositely arranged on the both sides up and down of installation portion 52.This image acquisition device is fixed on workbench 2 by mounting seat 7, keeper 23
It is fixed on the side of mounting seat 7, be provided with this mounting seat 7 and drive the displacement regulating part that image acquisition device moves up and down (not scheme
Show), this displacement regulating part drives image acquisition device to move up and down so that image acquisition device is connected with photographic head 200 or disconnects.Institute
Stating rotary drive 6 is gear-box, has the rotating shaft being fixed in axis hole 51.The ATE 100 of described photographic head is also
Including the relay lens 9 being arranged between focusing part 4 and focusing model part 3, each described debugging localization tool 41 is correspondingly arranged
One relay lens 9, control can imaging torsion resistance to shorten imaging focal length and rationally by this relay lens 9, to reduce test chamber
11 space.This relay lens 9 is fixed on mobile platform 82 by installing plate 91.
The job order when testing the focal length of photographic head 200 for the ATE 100 of above-mentioned photographic head is as follows: works as phase
Photographic head 200 on the installation portion 52 being arranged on focusing part 4 lower section is completed to test, cylinder 232 starts, drive guide pillar 231 to move
Go out location hole, start rotary drive 6, drive rotation platform 5 to rotate 180 ° of installation portions making in the loading and unloading area in outside
52 move to test section, after the installation portion 52 in test section is located at the lower section of focusing part 4, is again started up cylinder 232, drives
Guide pillar 231 is inserted into positioning in the hole makes rotation platform 5 position, then, image acquisition device move in place upper under the driving of regulating part move,
It is connected with camera signals, then, control focusing model part 3, focusing part 4 and image acquisition device to be pointed to by test software
Photographic head 200 in test section is tested, and after the completion of test, image acquisition device moves in place and moves down under the driving of regulating part,
So that image acquisition device is disconnected with photographic head, and finally repeat abovementioned steps.Wherein, in focusing model part 3, focusing part 4 and figure
While photographic head 200 test as harvester, removal has completed the photographic head 200 tested and has pacified on installation portion 52
Load onto new photographic head to be measured 200.
In addition, the ATE 100 of this photographic head also includes the LED light source part 10 being fixed on workbench 2, should
LED light source part 10 is fixed on track base 20.This track base 20 is fixed on workbench 2, and track base 20 includes flat with workbench 2
The guide rail 201 of row setting, the support column 202 of supporting guide 201, it is arranged on guide rail 201 and can be along the slip of guide rail 201 movement
Seat 203 and the translation motor 204 driving described sliding seat 203 movement on guide rail 201, this guide rail 201 prolongs along workbench 2 about
Stretch, sliding seat 203 can horizontally slip on guide rail 201.Described LED light source part 10 is fixed on sliding seat 203, LED light source part
10 pass through the mobile surface to rotation platform 5 of sliding seat 203, and one of installation portion 52 is blocked.LED light source part 10 in order to
Whether image after photographic head 200 imaging for the detection has stain and dirty etc., completes image measurement.Focusing model part 3 in order to
The focusing of test photographic head 200, completes focusing test.Above-mentioned image measurement and focusing are tested when using it is impossible to carry out simultaneously
Test, when carrying out focusing test, LED light source part 10 passes through the mobile right side to rotation platform 5 of track base 20 or left side, no
Block rotation platform 5, focusing part 4 is displaced downwardly to suitable position under the driving of lowering or hoisting gear 8, then carries out focusing test；When
When carrying out image measurement, focusing part 4 moves up under the driving of lowering or hoisting gear 8, and its level height is higher than LED light source part 10,
Then pass through track base 20 by mobile for LED light source part 10 underface to part 4 of focusing, that is, movement be provided with to one of them to be measured
The installation portion 52 of examination photographic head 200 relatively above, carries out image measurement then.It is provided with cable drag chain in described test chamber 11
30, to collect the cable of lifting motor 83 and translation motor 204, make test chamber 11 clean and tidy.
Refer to Fig. 8 and combine Fig. 1 to 7, the automatic test approach of the photographic head of the present invention, for above-mentioned photographic head from
The control of dynamic test equipment 100, wherein, the ATE 100 of described photographic head includes test section, image acquisition device, use
With the rotation platform 5 clamping photographic head 200, the focusing part 4 being arranged on test section and the focusing model portion being located at test section side
Part 3.The clamp portion 53 of at least two clamping photographic head 200, the quantity of described image harvester are provided with described rotation platform 5
The quantity setting of corresponding clamp portion 53.It is provided with style table 35, described style table 35 has some in described focusing model part 3
The test block 351,352 of two kinds of colors of adjacent spaces setting, the shape of described test block 351,352 is parallelogram,
In described two test block 351,352 a kind of test block be shaped as rhombus, another kind of test block be shaped as square, its
In, the Minimum Internal Angle of rhombus is 80 °, and foursquare base is 5 ° with the angle on the base of style table 35.Described photographic head from
Dynamic method of testing includes s1 to s6.
S1: in loading and unloading area, photographic head 200 to be measured is installed on rotation platform 5, starts rotation platform 5, to be measured
Photographic head 200 goes to test section from loading and unloading area.When rotation platform 5 goes to test section, photographic head 200 to be measured is towards style table
35.In the present embodiment, the clamp portion 53 of clamping photographic head 200 adopts four, so, four clamp portion 53 go to test simultaneously
Area.
S2: image acquisition device is connected with the photographic head 200 to be measured on rotation platform 5.Here is it should be understood that front
State in embodiment, each image acquisition device corresponds in a clamp portion 53 photographic head 200 respectively.
S3: product initializes, and image acquisition device gathers image.
S4: focusing test, whether test photographic head 200 reaches specification standards？As qualified, focusing terminates；As otherwise to taking the photograph
Focal length as 200 is adjusted and is tested again, judges again to test whether photographic head 200 reaches specification standards, if
Qualified, focusing terminates, otherwise again Focussing and test until qualified, or until after exceeding focusing step test still
Not up to focusing specification standards, then focusing terminates.Because clamp portion 53 adopts four, so, the shooting in four clamp portion 53
200 carry out focusing test simultaneously, and its part 4 that passes through to focus realizes the Focussing of photographic head 200.
S5: be again started up rotation platform 5, the photographic head 200 completing to test is gone to loading and unloading area from test section, display is surveyed
Test result；
S6: the photographic head 200 completing to test is removed and repeat step s1 to s5 in loading and unloading area.
Also include between above-mentioned steps s4 and s5: focusing carries out image measurement after terminating again.When carrying out image measurement, position
Photographic head 200 in test section carries out image measurement simultaneously.
In described step s4, when focusing is focused, its focusing mode is: according to obtain image definition Lai
Judge the angle of single step focusing, when relatively obscuring, the angle of single step focusing is larger, and when close to articulation point, single step is focused
Angle less.
By the automatic test approach of photographic head is applied on the ATE 100 of photographic head, it is achieved thereby that
Aulomatizeted Detect, improves work efficiency and measuring accuracy.
In sum, cooperating due to focusing model part 3, focusing part 4, rotation platform 5 and image acquisition device, real
Show Aulomatizeted Detect, improve work efficiency and accuracy of detection.In addition, by arranging multiple fixations on each installation portion 52
The clamp portion 53 of photographic head 200, makes multiple stations share a model, completes the test of multiple photographic head 200, further simultaneously
Improve work efficiency.
The above is only the preferred embodiment of the present invention, is not limited to the present invention it is noted that for this skill
For the those of ordinary skill in art field, on the premise of without departing from the technology of the present invention principle, can also make some improve and
Modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of ATE of photographic head, in order to detecting photographic head it is characterised in that: include workbench, be arranged on work
In station focusing model part, be arranged on focusing model part and workbench between focusing part, in order to clamp photographic head
Rotation platform, the rotary drive driving described rotation platform rotation and the image being connected with the camera signals on rotation platform
Harvester, described rotation platform includes axle portion as center of rotation, encloses at least two installation portions being located at around axle portion, described
Focusing part is arranged on the side of rotation platform, and is oppositely arranged with one of installation portion after rotation platform positions, described phase
The clamp portion of fixing camera is provided with the installation portion to setting, described focusing part is provided with the corresponding shooting of adjustment
The debugging localization tool of the focal length of head.
2. photographic head according to claim 1 ATE it is characterised in that: on each described installation portion arrange
There are the described clamp portion of at least two fixing cameras, the fixture that the quantity of described debugging localization tool is arranged with relative focusing part
The quantity in portion is identical.
3. photographic head according to claim 2 ATE it is characterised in that: each described debugging localization tool
Focusing ring including the focal length adjusting corresponding photographic head and the rotation being connected and controlling focusing ring rotation with described focusing ring
Revolving die block.
4. photographic head according to claim 2 ATE it is characterised in that: the automatic test of described photographic head
Equipment also includes the relay lens being arranged between focusing part and focusing model part, and each described debugging localization tool is correspondingly arranged
One relay lens.
5. photographic head according to claim 1 ATE it is characterised in that: described focusing model part in set
It is equipped with sample table, described sample table has the test block of two kinds of colors of some adjacent spaces settings, described two test block
Shape is parallelogram.
6. photographic head according to claim 5 ATE it is characterised in that: a kind of in described two test block
Test block be shaped as rhombus, another kind of test block be shaped as square, wherein, the Minimum Internal Angle of rhombus is 80 °, square
The angle on the base of base and sample table be 5 °.
7. photographic head according to claim 1 ATE it is characterised in that: described axle portion be axis hole, described
Rotary drive has the rotating shaft being fixed in axis hole.
8. photographic head according to claim 1 ATE it is characterised in that: be additionally provided with described workbench
Position the keeper of described rotation platform.
9. photographic head according to claim 8 ATE it is characterised in that: all open on each described installation portion
It is provided with location hole, described keeper has the guide pillar being inserted into positioning in the hole and drives described guide pillar to insert and remove location hole
Cylinder.
10. photographic head according to claim 1 ATE it is characterised in that: described focusing model part
Opposite sides is provided with fixed plate, and described workbench is vertically installed with screw mandrel, described screw mandrel is provided with and moves down along along screw mandrel
Dynamic traveling nut, described traveling nut is fixed in described fixed plate, and the bottom of described screw mandrel is provided with driven pulley, described
It is additionally provided with motor, described motor connection, to driving pulley, is passed through between described driving pulley and driven pulley to pass on workbench
Dynamic band connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063546.6A CN104639937B (en) | 2015-02-06 | 2015-02-06 | Automatic test device of camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063546.6A CN104639937B (en) | 2015-02-06 | 2015-02-06 | Automatic test device of camera |
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| Publication Number | Publication Date |
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| CN104639937A CN104639937A (en) | 2015-05-20 |
| CN104639937B true CN104639937B (en) | 2017-01-18 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105516708A (en) * | 2015-11-23 | 2016-04-20 | 深圳市东盈讯达电子有限公司 | Camera module multi-point parameter automatic detection device |
| CN106856568A (en) * | 2015-12-08 | 2017-06-16 | 塔工程有限公司 | Equipment and the method with equipment detection photographing module for detecting photographing module |
| CN105892220B (en) * | 2016-05-31 | 2019-03-08 | 宁波舜宇光电信息有限公司 | The test equipment and its application of wide-angle lens mould group |
| CN106375758B (en) * | 2016-11-25 | 2019-02-15 | 广州市欧图米腾智能设备有限公司 | Four station high-end image collector automatic focusings are intelligently equipped |
| CN106657984B (en) * | 2016-11-26 | 2018-06-05 | 珠海市运泰利自动化设备有限公司 | Vehicle-mounted camera function automatic detection machine |
| CN106597801B (en) * | 2017-01-17 | 2022-07-19 | 深圳市深立精机科技有限公司 | Camera automatic focusing equipment and focusing method |
| CN112485265A (en) * | 2020-11-30 | 2021-03-12 | 苏州智华汽车电子有限公司 | Automatic performance detection equipment for tail section of vehicle-mounted camera body |
| CN115174869A (en) * | 2022-08-12 | 2022-10-11 | 广东省宏视智能科技有限公司 | Intelligent production measuring system of camera |
| CN117472677B (en) * | 2023-12-26 | 2024-03-08 | 深圳市魔力信息技术有限公司 | Face recognition equipment testing method and testing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010134890A1 (en) * | 2009-05-21 | 2010-11-25 | Esa Group Pte Ltd | System and method for testing and managing camera modules |
| CN103716620B (en) * | 2013-12-31 | 2017-01-18 | 昆山丘钛微电子科技有限公司 | Automatic function testing machine for camera modules |
| CN103941723A (en) * | 2014-04-10 | 2014-07-23 | 吉林大学 | Automatic test device of vehicle-mounted radio and touch navigation system |
| CN204408547U (en) * | 2015-02-06 | 2015-06-17 | 苏州艾微视图像科技有限公司 | The automatic test equipment of camera |
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Application publication date: 20150520 Assignee: Suzhou Heyu Finance Leasing Co.,Ltd. Assignor: AVIEW IMAGE TECHNOLOGY SUZHOU Ltd. Contract record no.: X2023980036397 Denomination of invention: Automatic test equipment of camera Granted publication date: 20170118 License type: Exclusive License Record date: 20230608 |
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Denomination of invention: Automatic test equipment of camera Effective date of registration: 20230612 Granted publication date: 20170118 Pledgee: Suzhou Heyu Finance Leasing Co.,Ltd. Pledgor: AVIEW IMAGE TECHNOLOGY SUZHOU Ltd. Registration number: Y2023980043556 |