CN204228592U - Image detecting apparatus and air draught flattening device - Google Patents
Image detecting apparatus and air draught flattening device Download PDFInfo
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- CN204228592U CN204228592U CN201420570244.9U CN201420570244U CN204228592U CN 204228592 U CN204228592 U CN 204228592U CN 201420570244 U CN201420570244 U CN 201420570244U CN 204228592 U CN204228592 U CN 204228592U
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Abstract
The image detecting apparatus that the utility model provides, comprise worktable (03), negative pressure pump (05), be arranged on the image acquiring device (01) of worktable (03) top and the light source (02) for image acquiring device (01) light filling, worktable (03) comprises the Image Acquisition district (032) for placing test product (06) and the vacant district (031) around Image Acquisition district (032), Image Acquisition district (032) is made up of glass, Image Acquisition district (032) and image acquiring device (01) and light source (02) corresponding setting, and Image Acquisition district (032) is provided with the depression (0321) extended towards vacant district (031), vacant district (031) is provided with the negative pressure hole be communicated with cave in (0321), negative pressure hole is connected with negative pressure pump (05).The utility model also provides a kind of air draught flattening device.The glass table punching that such scheme can solve image detecting apparatus existence in background technology is more difficult, and in backlight situation, punching can affect the problem of test product picture quality.
Description
Technical field
The utility model relates to machine vision equipment technical field, more specifically, relates to a kind of image detecting apparatus and air draught flattening device.
Background technology
In field of machine vision, image detecting apparatus is a kind of commonplace equipment.The principle of image detecting apparatus is the image by obtaining test product, then image analysis is detected to the defect of test product.Image detecting apparatus generally includes light source, worktable and camera, and test product is placed on the table, under specific light source lighting condition, and the image of collected by camera test product.
But, test product be flexible material make film series products (such as printing film circuit) time, the flexibility of film series products makes its each position be difficult to be in same plane, and then make each position of film series products not on same focal plane, finally affect the test product picture quality that image detecting apparatus obtains.In order to head it off, traditional method is: adopt clear glass to implement to flatten to test product, and then each position of test product is flattened in same plane, finally make various piece be positioned on same focal plane to reach the object improving picture quality.But the mode of pressing exists following defect: the first, after clear glass is pressed on test product, clear glass can imaging in test product image, namely produces ghost, and then has a strong impact on the picture quality of test product.The second, for some test products (such as printing film circuit), the pressing of clear glass can have an impact to its quality.3rd, owing to be press against by clear glass, for some test products (such as printing film circuit), cannot mark defective locations, be unfavorable for repairing and the confirmation of subsequent defective.
In order to overcome the drawback of classic method, usually adopting negative pressure to inhale flat mode at present and implementing flexible test product enforcement flattening.Namely punch on the table, then implement negative pressure by the mode of negative-pressure adsorption and flatten.Because some test product adopts the mode of backlight light filling, so in order to realize backlight light filling, usual worktable is transparent glass table.But, because glass hard (HRC65Yi Shang) is comparatively large, more crisp, so punching realizes negative pressure and flattens and become comparatively difficulty on transparent glass table.And punching can affect the image quality of test product on transparent glass table.Meanwhile, when transparent glass table punching, nose end easily produces unfilled corner, collapses the defects such as limit.These unfilled corners, collapse the light that the defects such as limit easily send backlight and produce refraction, reflection etc., the image quality of test product finally can be caused poorer.
Utility model content
On the one hand, the utility model provides a kind of image detecting apparatus, and the glass platform punching existed with the image detecting apparatus solved described in background technology is more difficult, and punching can affect the problem of test product picture quality in backlight situation.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
Image detecting apparatus, comprises worktable, negative pressure pump, is arranged on the image acquiring device above described worktable and the light source for described image acquiring device light filling; Described worktable comprises the Image Acquisition district for placing test product and the vacant district around described Image Acquisition district, described Image Acquisition district is made up of glass, described Image Acquisition district and described image acquiring device and the corresponding setting of light source, and described Image Acquisition district is provided with the depression extended towards described vacant district, described vacant district is provided with and the described negative pressure hole be communicated with that caves in, and described negative pressure hole is connected with described negative pressure pump.
Preferably, in above-mentioned image detecting apparatus, described light source is arranged on the top in described Image Acquisition district.
Preferably, in above-mentioned image detecting apparatus, described light source is backlight, and is arranged on immediately below described Image Acquisition district.
Preferably, in above-mentioned image detecting apparatus, described depression is many, and is evenly distributed on described Image Acquisition district in groined type.
Preferably, in above-mentioned image detecting apparatus, described negative pressure pump is multiple, and respectively correspondingly the interface of depression described with many docked one by one by connecting pipe; Described image detecting apparatus also comprises:
For detecting multiple pressure transducers of negative pressure value in corresponding described depression respectively;
Be connected with multiple described pressure transducer and multiple described negative pressure pump, for controlling described negative pressure pump to maintain the controller of difference in setting range of the negative pressure value in any two described depressions.
Preferably, in above-mentioned image detecting apparatus, the bar-shaped trough of described depression to be cross-sectional profiles be arc.
Preferably, in above-mentioned image detecting apparatus, the central angle that the xsect curved profile of described depression is corresponding is less than 180 °, and is greater than 45 °.
Preferably, in above-mentioned image detecting apparatus, the degree of depth of described depression is 0.3-0.5mm.
Preferably, in above-mentioned image detecting apparatus, described vacant district is provided with and the described chute be communicated with that caves in, the open top of described chute, described image detecting apparatus also comprises the sealing strip be slidably matched with the open top of described chute, described sealing strip coordinates with the open top of described chute, and and is formed between the bottom of described chute and the described negative pressure channel be communicated with that caves in.
On the other hand, air draught flattening device, comprises negative pressure pump and worktable; Described worktable comprises the first area of sprawling for test product and the second area around described first area, described first area is made up of glass, described first area is provided with the depression extended towards described second area, described second area is provided with and the described negative pressure hole be communicated with that caves in, and described negative pressure hole is communicated with described negative pressure pump.
The image detecting apparatus course of work that the utility model provides is as follows: test product is placed on Image Acquisition district, open image acquiring device and light source and negative pressure pump, under the effect of negative pressure pump, make the depression in Image Acquisition district be negative-pressure adsorption state, and then the test product absorption be positioned in depression can be flattened in the plane at table surface place.
Can be found out by the above-mentioned course of work, the image detecting apparatus that the utility model provides is inhaled on flat equipment Foundations in current negative pressure and is improved, the hole of negative-pressure adsorption effect will be played, change into the depression of negative-pressure adsorption, the setting of depression can be avoided punching in the Image Acquisition district of glass material, so can solve at present on clear glass platform punching realize the problem that negative pressure inhales flat comparatively difficulty.Also can solve the problem that punching on glass table can affect test product picture quality in backlight situation simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the image detecting apparatus that the utility model embodiment provides;
Fig. 2 is the structural representation of another image detecting apparatus that the utility model embodiment provides;
Fig. 3 is the work top schematic diagram of the worktable that the utility model embodiment provides;
Fig. 4 is the work top schematic diagram of another worktable that the utility model embodiment provides, and the region in Fig. 4 in dotted line frame is Image Acquisition district 032, and the region outside dotted line frame is vacant district 031;
Fig. 5 is on the worktable shown in Fig. 4, the fit structure schematic diagram of chute and sealing strip; In Fig. 5, the left side of dotted line is vacant district 031, and the right side of dotted line is Image Acquisition district 032.
In upper Fig. 1-5:
Image acquiring device 01, light source 02, worktable 03, solenoid valve 04, negative pressure pump 05, test product 06, sealing strip 07, vacant district 031, Image Acquisition district 032, depression 0321, chute 0311, negative pressure channel 0312.
Embodiment
The utility model embodiment provides a kind of image detecting apparatus, and the glass table punching existed under solving the image detecting apparatus negative pressure flattening situation described in background technology is more difficult, and punching can affect the problem of test product picture quality in backlight situation.
Technical scheme in the utility model embodiment is understood better in order to make those skilled in the art person, and enable the above-mentioned purpose of the utility model embodiment, feature and advantage become apparent more, below in conjunction with accompanying drawing, the technical scheme in the utility model embodiment is described in further detail.
Please refer to the structure that accompanying drawing 1, Fig. 1 shows the image detecting apparatus that the utility model embodiment provides.Image detecting apparatus shown in Fig. 1 comprises worktable 03, negative pressure pump 05, image acquiring device 01 and light source 02.Wherein, image acquiring device 01 is arranged on the top of worktable 03, for obtaining the image of test product 06.Light source 02 is also arranged on the top of worktable 03, for the image taking light filling to image acquiring device 01.Worktable 03 be whole image detecting apparatus for holding the parts of test product 06, its surface is plane.Worktable 03 is in surface level usually, so that the holding of test product 06.In the utility model embodiment, worktable 03 comprises Image Acquisition district 032 and around the vacant district 031 around Image Acquisition district 032, test product 06 is placed in Image Acquisition district 032.In worktable 03, at least Image Acquisition district 032 is made up of glass.Preferably, whole worktable 03 is made up of glass.
In the utility model embodiment, Image Acquisition district 032 and image acquiring device 01 and the corresponding layout of light source 02, at least can obtain subject image in Image Acquisition district 032 to make image acquiring device 01.Image Acquisition district 032 is provided with the depression 0321 extended towards direction, vacant district 031.In the utility model embodiment, depression 0321 is strip structure, be provided with in vacant district 031 and the 0321 negative pressure hole (not shown) be communicated with that caves in, negative pressure hole is connected with negative pressure pump 05, under the effect of negative pressure pump 05, negative pressure hole is in negative-pressure adsorption state, corresponding, figure obtains in the depression 0321 in district 032 and is also in negative-pressure adsorption state.Test product 06 covers depression 0321 after being placed in Image Acquisition district 032, is adsorbed under the subnormal ambient in depression 0321, and then whole test product is flattened on worktable 03, finally can realize negative pressure and inhale flat.It should be noted that, test product 06 is flexible thing (such as printing film circuit), can be out of shape under negative-pressure adsorption effect, and this image detecting apparatus being the utility model embodiment provides carries out the prerequisite of air draught flattening.Usually, the connecting pipe between negative pressure pump 05 and negative pressure hole is provided with valve (such as solenoid valve 04), for controlling break-make or the gas circuit aperture of connecting pipe gas circuit.Preferably, above-mentioned solenoid valve 04 is controlled by opertaing device, to realize Automated condtrol.
The image detecting apparatus course of work that the utility model embodiment provides is as follows: test product 06 is placed on Image Acquisition district 032, open image acquiring device 01 and light source 02 and negative pressure pump 05, under the effect of negative pressure pump 05, make the depression 0321 in Image Acquisition district 032 be negative-pressure adsorption state, and then the test product 06 be positioned in depression 0321 can be adsorbed flattening on worktable 03 table top.
Can be found out by the above-mentioned course of work, the image detecting apparatus that the utility model embodiment provides is inhaled on the basis of flat equipment in current negative pressure and is improved, the hole of negative-pressure adsorption effect will be played, change into the depression 0321 of negative-pressure adsorption, the setting of depression 0321 can be avoided punching in the Image Acquisition district 031 of glass material, so can solve at present on clear glass platform punching realize the problem that negative pressure inhales flat comparatively difficulty.
Image Acquisition district 032 is made by glass material.For this reason, light source 02 can be backlight, and backlight can be arranged on immediately below worktable 03, namely realizes backlight light filling, as shown in Figure 2.When adopting backlight light filling, the utility model embodiment adopts depression 0321 to realize negative-pressure adsorption, avoid punching in Image Acquisition district 032, and then under backlight light filling situation can be avoided, punching, on the impact of test product 06 on image quality, the unfilled corner that also can avoiding in addition punches occurs, collapses the impact that the easy image quality of the defects such as limit causes.The negative pressure hole that the utility model embodiment applies depression 0321 and vacant district 031 dexterously adsorbs test product 06 and flattens, so can avoid punching occur unfilled corner, collapse the impact of the defects such as limit on test product 06 image quality.
The utility model embodiment is not restricted depression 0321 quantity on worktable 03.Usually, the quantity of depression 0321 is many, to improve the ability that absorption flattens.Preferably, in the utility model embodiment, Image Acquisition district 032 and vacant district 031 detachably arrange, image detecting apparatus has the different Image Acquisition district 032 of multiple depression 0321 arrangement, and operator can select suitable Image Acquisition district 032 according to dissimilar test product 06.This preferred version can improve the adaptability of image detecting apparatus, can adapt to the detection of a greater variety of test product 06.
Usually, worktable 03 is integral type structure, and Image Acquisition district 032 and vacant district 031 can be the results artificially table top of worktable 03 being implemented to division.Depression 0321 in Image Acquisition district 032 is generally many, can arrange in every way, and such as many curves side by side extend side by side distribution.Preferably, depression 0321 is many, and is evenly arranged in Image Acquisition district 032 in groined type, as shown in Figure 3.Many depressions 0321 are evenly arranged in groined type not only can uniform adsorption, and the groove 0321 of groined type structure is convenient to manufacture.
In Fig. 3, the end of depression 0321 is not sealed, and can be blind end, can for opening end yet.Blind end is avoided being in communication with the outside after test product 06 covers.Can be communicated with negative pressure pump 05 by connecting pipe when opening end, also can pass through plugging part shutoff, to avoid leaking out when not being communicated with negative pressure pump 05.
In the testing process of reality, negative pressure pump 05 can be one, and in such cases, many depressions 0321 share a negative pressure pump 05.When but negative pressure pump 05 is one, due to the negative pressure loss of 0321 bearing of trend that caves in and the negative pressure loss of connecting pipeline, can cause apart from negative pressure pump 05 larger apart from little depression 0321 negative pressure, less apart from large depression 0321 negative pressure apart from negative pressure pump 05, and then cause the absorption affinity of test product 06 various piece to vary in size, and then the flattening effect of test product 06 can be affected.In order to head it off, in the utility model embodiment, negative pressure pump 05 is multiple, and cave in many correspondingly respectively 0321 interface docked one by one by connecting pipe.This scheme can alleviate negative pressure loss, improves and flattens effect.On the basis of this scheme, more preferred, the image detecting apparatus that the utility model embodiment provides also comprises multiple pressure transducer and controller, multiple pressure transducer detects the negative pressure value in corresponding depression 0321 respectively, controller is connected with multiple pressure transducer with multiple negative pressure pump, for control negative pressure pump with maintain any two depression 0321 in negative pressure value in setting range.It should be noted that, setting range herein refer to air draught flatten after negative pressure value gap in the error range that image detecting apparatus can accept.
In the image detecting apparatus that the utility model embodiment provides, depression 0321 can be the bar-shaped trough of arc for cross-sectional profiles, square groove etc.The utility model people that the utility model is created finds in the process implementing the technical program, and square groove owing to having dead angle, and then can cause negative pressure pressure transient, and then impact flattens effect.For this reason, the depression 0321 in the utility model embodiment is preferably the bar-shaped trough that cross-sectional profiles is arc.In addition, in the process of absorption flattening, (relation of open top hierarchy structure (i.e. the degree of depth of depression 0321) and the degree of depth of depression 0321 of depression 0321 are the key factors affecting air draught flattening to the width of depression 0321.For this reason, utility model people by reasonable design, finds that the central angle that the xsect curved profile of depression 0321 is corresponding is less than 180 °, and when being greater than 45 °, and the flattened effect of test product 06 is better.In addition, depression 0321 is crossed and negative pressure deeply can be made comparatively large, and then causes the corresponding partial collapse of test product 06, and depression 0321 crosses the bottom attaching to depression 0321 after shallow meeting causes test product 06 to adsorb distortion, and then affects the circulation of negative-pressure air-flow.For this reason, the degree of depth of depression 0321 is preferably 0.3mm-0.5mm.
In the image detecting apparatus that the utility model embodiment provides, when the size of test product 06 is greater than the size in Image Acquisition district 032, be difficult to implement air draught to test product 06 all sites and flatten, this finally affects the Detection results of test product 06.In order to head it off, please refer to attached Figure 4 and 5, in the utility model embodiment, the vacant district 031 of worktable 03 is provided with and 0321 chute be communicated with 0311 (as shown in Figure 4) that caves in, the top of chute 0311 has opening, and the table top of opening and worktable 03 is positioned at same plane.In such cases, the image detecting apparatus that the utility model embodiment provides also comprises sealing strip 07, sealing strip 07 for being slidably matched with the open top of chute 0311, and then can be slided along the bearing of trend of chute 0311, and then changes chute 0311 by the length of shutoff.The negative pressure channel 0312 be communicated with depression 0321 is formed between sealing strip 07 and the bottom of chute 0311.Can be drawn by the course of work of above-mentioned worktable 03, the length of the non-enclosure portion of chute 0311 can be changed by the slip of sealing strip 07, and then make chute 0311 open top be in the part that non-enclosure portion becomes depression 0321, accordingly, corresponding with the non-enclosure portion of chute 0311 open top in vacant district 031 part is then converted to the part in Image Acquisition district 032.Visible, mutually change between the part that the slip of sealing strip 07 can make Image Acquisition district 032 adjacent with vacant district 031, and then make Image Acquisition district 032 can at the test product 06 of certain scope endoadaptation different area, and then the adaptability of worktable 03 can be improved, corresponding worktable 03 function is more powerful.
Incorporated by reference to reference accompanying drawing 1-5, based on the image detecting apparatus that the utility model embodiment provides, the utility model embodiment also provides a kind of air draught flattening device, for implementing to flatten to the test product 06 of flexibility, having reached and having made the object of test product 06 various piece in same plane.Described air draught flattening device comprises negative pressure pump 05, worktable 03 and connecting pipe, worktable 03 comprises the first area (being equivalent to the Image Acquisition district 032 of above-mentioned image detection device worktable 03) of sprawling for test product 06 and the second area (being equivalent to the vacant district 031 of above-mentioned image detection device worktable 03) around described first area, described first area is provided with the depression extended towards described second area, described second area is provided with and the described negative pressure hole be communicated with that caves in, described negative pressure hole is communicated with by connecting pipe with described negative pressure pump 05.
It should be noted that, the air draught flattening device that the utility model embodiment provides is the above described image detecting apparatus of the utility model embodiment except the remainder of image acquiring device 01 and light source 02, a part for image detecting apparatus can be regarded as, also alone as a device, merely can flatten for implementing air draught to test product 06.When air draught flattening device is image detecting apparatus a part of, first area is that glass material is made.When the equipment that air draught flattening device flattens as independent air draught, the making material of first area is not limit.In addition to the above described differences, the parts included by air draught flattening device that the utility model embodiment provides and the matching relationship between parts and parts are all similar with the description of appropriate section in above image detecting apparatus, specifically please refer to the description of above appropriate section, this does not repeat.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiment.
Above-described the utility model embodiment, does not form the restriction to the utility model protection domain.Any do within spirit of the present utility model and principle amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. image detecting apparatus, comprise worktable (03), negative pressure pump (05), be arranged on the image acquiring device (01) of described worktable (03) top and the light source (02) for described image acquiring device (01) light filling, it is characterized in that, described worktable (03) comprises the Image Acquisition district (032) for placing test product (06) and the vacant district (031) around described Image Acquisition district (032), described Image Acquisition district (032) is made up of glass, described Image Acquisition district (032) and described image acquiring device (01) and light source (02) corresponding setting, and described Image Acquisition district (032) is provided with the depression (0321) extended towards described vacant district (031), described vacant district (031) is provided with the negative pressure hole be communicated with described depression (0321), described negative pressure hole is connected with described negative pressure pump (05).
2. image detecting apparatus according to claim 1, is characterized in that, described light source (02) is arranged on the top of described Image Acquisition district (032).
3. image detecting apparatus according to claim 1, is characterized in that, described light source (02) is backlight, and is arranged on immediately below described Image Acquisition district (032).
4. image detecting apparatus according to claim 1, is characterized in that, described depression (0321) is many, and is evenly distributed on described Image Acquisition district (032) in groined type.
5. image detecting apparatus according to claim 1, is characterized in that, described negative pressure pump (05) is for multiple, and the interface distinguishing depression (0321) described with many is correspondingly docked one by one by connecting pipe; Described image detecting apparatus also comprises:
For detecting multiple pressure transducers of the interior negative pressure value of corresponding described depression (0321) respectively;
Be connected with multiple described pressure transducer and multiple described negative pressure pump (05), for controlling described negative pressure pump (05) to maintain the controller of difference in setting range of the negative pressure value in any two described depressions (0321).
6. the image detecting apparatus according to claim 1 or 3, is characterized in that, described depression (0321) for cross-sectional profiles be the bar-shaped trough of arc.
7. image detecting apparatus according to claim 5, is characterized in that, the central angle that the xsect curved profile of described depression (0321) is corresponding is less than 180 °, and is greater than 45 °.
8. image detecting apparatus according to claim 6, is characterized in that, the degree of depth of described depression (0321) is 0.3mm-0.5mm.
9. image detecting apparatus according to claim 1, it is characterized in that, described vacant district (031) is provided with the chute (0311) be communicated with described depression (0321), the open top of described chute (0311), described image detecting apparatus also comprises the sealing strip (07) be slidably matched with the open top of described chute (0311), described sealing strip (07) coordinates with the open top of described chute (0311), and and between the bottom of described chute (0311), form the negative pressure channel (0312) be communicated with described depression (0321).
10. air draught flattening device, comprises negative pressure pump (05) and worktable (03); It is characterized in that, described worktable (03) comprises the first area of sprawling for test product (06) and the second area around described first area, described first area is made up of glass, described first area is provided with the depression (0321) extended towards described second area, described second area is provided with and the described negative pressure hole be communicated with that caves in, and described negative pressure hole is communicated with described negative pressure pump (05).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420570244.9U CN204228592U (en) | 2014-09-29 | 2014-09-29 | Image detecting apparatus and air draught flattening device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420570244.9U CN204228592U (en) | 2014-09-29 | 2014-09-29 | Image detecting apparatus and air draught flattening device |
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| CN204228592U true CN204228592U (en) | 2015-03-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297156A (en) * | 2014-09-29 | 2015-01-21 | 北京凌云光技术有限责任公司 | Image detecting device and air sucking and flattening device |
| CN116620939A (en) * | 2023-07-21 | 2023-08-22 | 江西先材纳米纤维科技有限公司 | Polyimide film production detection device |
-
2014
- 2014-09-29 CN CN201420570244.9U patent/CN204228592U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297156A (en) * | 2014-09-29 | 2015-01-21 | 北京凌云光技术有限责任公司 | Image detecting device and air sucking and flattening device |
| CN116620939A (en) * | 2023-07-21 | 2023-08-22 | 江西先材纳米纤维科技有限公司 | Polyimide film production detection device |
| CN116620939B (en) * | 2023-07-21 | 2023-09-15 | 江西先材纳米纤维科技有限公司 | Polyimide film production detection device |
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Address after: 100094 Beijing, Haidian District Cui Yuan Road No. 13, building 7, room 7, floor 701 Patentee after: LUSTER LIGHTTECH GROUP Co.,Ltd. Address before: 100195 Beijing city Haidian District xingshikou road Yiyuan cultural creative industry base in C District No. 2 Patentee before: BEIJING LUSTER LIGHTTECH Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
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Address after: 100094 701, 7 floor, 7 building, 13 Cui Hunan Ring Road, Haidian District, Beijing. Patentee after: Lingyunguang Technology Co.,Ltd. Address before: 100094 701, 7 floor, 7 building, 13 Cui Hunan Ring Road, Haidian District, Beijing. Patentee before: Beijing lingyunguang Technology Group Co.,Ltd. Address after: 100094 701, 7 floor, 7 building, 13 Cui Hunan Ring Road, Haidian District, Beijing. Patentee after: Beijing lingyunguang Technology Group Co.,Ltd. Address before: 100094 701, 7 floor, 7 building, 13 Cui Hunan Ring Road, Haidian District, Beijing. Patentee before: LUSTER LIGHTTECH GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |