CN205176871U - Two -dimensional code check out test set - Google Patents
Two -dimensional code check out test set Download PDFInfo
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- CN205176871U CN205176871U CN201520871640.XU CN201520871640U CN205176871U CN 205176871 U CN205176871 U CN 205176871U CN 201520871640 U CN201520871640 U CN 201520871640U CN 205176871 U CN205176871 U CN 205176871U
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- 239000002184 metal Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a two -dimensional code check out test set for gather the two -dimensional code, the utility model relates to a field two -dimensional code detects, especially relates to the high -speed measuring in batches of small metal two -dimensional code of a big breadth. It includes camera, light source, industrial computer, power device and testing platform, the last object plane of putting that is provided with the two -dimensional code printing article of placing of testing platform, the camera is the linear array camera, and the scanning direction of linear array camera moves towards puts the object plane, the light source is strip light source, strip light source is parallel with the scanning direction of linear array camera, the lightmap that strip light source sent on putting the object plane, power device drive camera and the scanning direction vertically direction relative motion who puts object plane battle array camera along the line. Its camera and light and testing platform can reach the best cooperation to gather optimalizing two -dimensional code pattern.
Description
Technical field
The utility model relates to field Quick Response Code and detects, and the minute metallic Quick Response Code high speed mass particularly relating to a kind of large format detects.
Background technology
Quick Response Code is widely used in carrying out encode management to product and parts in the middle of production run, carries out system log (SYSLOG) to trace to the source by production flow process.Adopt Quick Response Code to follow the tracks of production procedure, mistake can be avoided in process of production, enhance productivity.
Inventor finds when realizing this use and being novel, in prior art, the normal area array cameras that adopts gathers Quick Response Code, but area array cameras needs a comparatively stable photo environment, and the product when camera motion or in streamline is when moving, the photographic fog of shooting, the Quick Response Code of collection is invalid; This directly affects the picking rate of photo.And area array cameras cannot closely gather more wide-field image, therefore reduce further Quick Response Code collecting efficiency.
Another inventor also finds when realizing the utility model, be attached to semiconductor, precision instrument industry the Quick Response Code general size of component surface little, cannot gather with existing Quick Response Code collecting device; And the edge of the pattern in process of production in possibility part Quick Response Code is not clear especially; Because of the reason such as illumination, greasy dirt cannot obtain the image in 2 D code of knowing standard when gathering image in 2 D code simultaneously, therefore cause being difficult to correctly extract 2 D code information by existing method; In addition because the size of some Quick Response Code reaches a millimeter rank, batch detection to be carried out to it more difficult.
Summary of the invention
The technical problems to be solved in the utility model, is to provide a kind of Quick Response Code checkout equipment, solves and gathers Quick Response Code, the particularly problem of batch capture Quick Response Code.
Below provide and the simplification of one or more aspect is summarized to try hard to provide the basic comprehension to this type of aspect.Detailed the combining of this not all aspect contemplated of general introduction is look at, and both not intended to be pointed out out the scope of key or decisive any or all aspect of elements nor delineate of all aspects.Its unique object is some concepts that will provide one or more aspect in simplified form using as the more specifically bright sequence provided after a while.
Inventor provide a kind of Quick Response Code checkout equipment, comprise camera, light source, industrial computer, propulsion system and detection platform, described detection platform is provided with the placement surface placing Quick Response Code printing product, described camera is line-scan digital camera, the direction of scanning of line-scan digital camera is towards placement surface, described light source is strip source, described strip source is parallel with the direction of scanning of line-scan digital camera, the light that strip source sends irradiates on placement surface, the direction relative motion that described propulsion system drives camera is vertical along the direction of scanning of line-scan digital camera with placement surface.
Further, comprise camera adjusting mechanism, described camera adjusting mechanism is positioned at the top of detection platform.
Further, light source adjusting mechanism is comprised; Described line-scan digital camera side is provided with light source adjusting mechanism, and described light source adjusting mechanism is positioned at the top of detection platform, and described light source adjusting mechanism is provided with light source, for adjusting light-source angle or position.
Further, described detection platform comprises conveyer mechanism, and described placement surface is travelling belt surface.
Further, the placement surface of described detection platform is provided with limited block, limited block is relative with placement surface fixing.
Further, camera adjusting mechanism comprises horizontal adjusting mechanism and vertical adjustment mechanism.
Described vertical adjustment mechanism comprises two vertical slide rail, vertical slipper, and two vertical slide rail are respectively equipped with vertical slipper, and two vertical slippers are fixedly connected with the two ends of the horizontal slide rail of horizontal adjusting mechanism respectively.Described horizontal adjusting mechanism comprises horizontal slide rail and cross sliding clock, and the two ends of horizontal slide rail are slidably connected with two vertical slide rail of vertical adjustment mechanism respectively, horizontal slide rail is provided with cross sliding clock, cross sliding clock is provided with camera.
Further, described horizontal adjusting mechanism comprises horizontal slide rail and cross sliding clock, and the two ends of described horizontal slide rail are fixed, and horizontal slide rail is provided with cross sliding clock, and one end of vertical adjustment mechanism is arranged on cross sliding clock; Described vertical adjustment mechanism comprises vertical slide rail, vertical slipper, and vertical slide rail is provided with vertical slipper, and vertical slipper is fixedly connected with camera.
Further, described light source adjusting mechanism comprises two fixtures, head rod, the second connecting link, light source adjustment slide block, the second fixed bit, light source adjustment slide rail and light source adjusting knob;
Fixture is individually fixed in outside detection platform two, fixture and head rod hinged, head rod and the second connecting link hinged, one end near the second connecting link of head rod is provided with light source, it is hinged that second connecting link and light source adjust slide block, light source adjustment slide block and light source adjust slide rail and are slidably connected, and one end of light source adjustment slide rail is threaded with light source adjusting knob through the second fixed bit.
Further, described Quick Response Code checkout equipment is for detecting metal Quick Response Code.
Further described propulsion system drive detection platform, make the relative camera motion of placement surface.
In prior art, relatively need stable shooting environmental when area array cameras is taken pictures, the product when camera motion or in streamline is when moving, and the photographic fog of shooting, the Quick Response Code of collection is invalid.Line-scan digital camera can gather the photo of the great visual field or high precision, and can the image of Quick Acquisition relative motion object, therefore be different from prior art and adopt area array cameras, the present invention can high speed acquisition Quick Response Code, reaches the requirement to the Quick Response Code picking rate of product in production line.
Accompanying drawing explanation
A kind of embodiment that Fig. 1 provides for the utility model;
Fig. 2 is that Fig. 1 illustrated embodiment is from the side view viewed from A direction;
Fig. 3 is the side view of Fig. 1 illustrated embodiment;
Fig. 4 is the vertical view of Fig. 1 illustrated embodiment.
Description of reference numerals:
110, camera adjusting mechanism;
111, vertical adjustment mechanism;
1111, knob;
112, horizontal adjusting mechanism;
120, light source adjusting mechanism;
122, fixture;
122, head rod;
123, the second connecting link;
124, slide block;
125, slide rail;
126, knob;
130, camera;
140, strip source;
150, placement surface;
160, limited block;
170, framework;
180, secondary light source.
Embodiment
By describe in detail technical scheme technology contents, structural attitude, realized object and effect, coordinate accompanying drawing to be explained in detail below in conjunction with specific embodiment.In the following description, numerous details is set forth for explanatory purposes providing the thorough understanding to one or more aspect.But it is evident that do not have these details also can put into practice this type of aspect.
The utility model provides a kind of Quick Response Code checkout equipment, comprise camera, light source, industrial computer, propulsion system and detection platform, described detection platform is provided with the placement surface placing Quick Response Code printing product, described camera is line-scan digital camera, the direction of scanning of line-scan digital camera is towards placement surface, described light source is strip source, described strip source is parallel with the direction of scanning of line-scan digital camera, the light that strip source sends irradiates on placement surface, the direction relative motion that described propulsion system drives camera is vertical along the direction of scanning of line-scan digital camera with placement surface.In certain embodiments, propulsion system drives camera, makes camera move relative to detection platform; Plant in other embodiments, propulsion system drive detection platform, and the object in detection platform is moved relative to camera.
Strip source refers to that profile is the lamp that strip maybe can irradiate strip region, and it can be LED also can be fluorescent light etc.Homogenous diffused light is provided by strip source.Preferably, strip source is parallel with line-scan digital camera, the direction in the longer visual field of " bar " shape image that namely direction of scanning of line-scan digital camera is taken.The primary optical axis of preferred line-scan digital camera and the horizontal surface of examined product metal code or between (fix detecting this angle in production run) in certain angle, make the sweep trace of line scan camera on examined product at the illumination light field of linear light sorurce, it further ensures accuracy and the reliability of line scan camera shooting image.If detected product breadth is large, multiple camera can be adopted to combine.
In prior art, relatively need stable shooting environmental when area array cameras is taken pictures, the product when camera motion or in streamline is when moving, and the photographic fog of shooting, the Quick Response Code of collection is invalid.Line-scan digital camera can gather the photo of the great visual field or high precision, and can the image of Quick Acquisition relative motion object, therefore be different from prior art and adopt area array cameras, the present invention can high speed acquisition Quick Response Code, reaches the requirement to the Quick Response Code picking rate of product in production line.
Refer to Fig. 1 ~ 4 the utility model and provide a kind of Quick Response Code checkout equipment, it comprises camera adjusting mechanism 110, camera 130, light source adjusting mechanism 120, light source 140, placement surface 150 and industrial computer (not shown in FIG.); Detection platform is provided with place Quick Response Code printing product placement surface 150 as shown in figures 1-4 described camera adjusting mechanism comprise horizontal adjusting mechanism 112 and vertical adjustment mechanism 111; Horizontal adjusting mechanism comprises horizontal slide rail and slide block (being also referred to as cross sliding clock), and the two ends of horizontal slide rail are slidably connected framework 170 respectively, slide block are provided with camera 130; In certain embodiments, the slide block on horizontal slide rail has multiple, and these slide blocks are separately installed with camera.
As shown in figures 1-4, vertical adjustment mechanism 111 comprises vertical slide rail and slide block (being also referred to as vertical slipper) and the first fixed bit (do not draw, its position does not change relative to framework) and knob 1111 (be also referred to as vertical adjust knob).Slide block is fixedly connected with horizontal adjusting mechanism, and when slide block moves, horizontal adjusting mechanism is along with moving up and down.One end of the vertical slide rail of vertical adjustment mechanism 111 is connected with vertical adjustment knob through the first fixed bit of tip platform, vertical adjustment knob is threaded with vertical slide rail, turn vertical adjustment knob, because the first fixed bit is to the restriction effect of vertical adjustment knob, vertical slide rail in the vertical direction drives slider displacement, thus drives horizontal adjusting mechanism displacement.
In further embodiments, be used for directly adjusting camera position at vertical adjustment mechanism.Namely described horizontal adjusting mechanism comprises horizontal slide rail and cross sliding clock, the two ends of described horizontal slide rail are fixed, the two ends of horizontal slide rail can be fixed on framework 170, in detection platform or on the shell of Quick Response Code checkout equipment in various embodiments, horizontal slide rail is provided with cross sliding clock, one end of vertical adjustment mechanism is arranged on cross sliding clock, and slide block is used for the position adjusting vertical adjustment mechanism in the horizontal direction; Described vertical adjustment mechanism comprises vertical slide rail, vertical slipper, and vertical slide rail is provided with vertical slipper, and vertical slipper is fixedly connected with camera.
The side of described camera adjusting mechanism is provided with light source adjusting mechanism as shown in figures 1-4, and described light source adjusting mechanism is provided with light source; Light source adjusting mechanism comprises fixture 121, head rod 122, second connecting link 123, slide block 124 (being also referred to as light source adjustment slide block), slide rail 125 (being also referred to as light source adjustment slide rail) and adjusting knob 126 (being also referred to as light source adjusting knob) and forms.Fixture is individually fixed on base, fixture 121 is hinged with head rod 122, head rod 122 and the second connecting link 123 hinged, one end near the second connecting link of head rod 122 is provided with light source (as strip source in Fig. 3 140), second connecting link 123 is hinged with slide block 124, slide block 124 and slide rail 125 are slidably connected, one end of slide rail 125 is threaded with adjusting knob 126 through second fixed bit (do not draw, its position does not change relative to framework) of tip platform; Turn adjusting knob 126, due to the restriction effect to adjusting knob 126 of tip platform, movable slider 124 displacement is with by slide rail 125, thus drive head rod 122, second connecting link 123 to rotate, thus regulating angle and the position of the light source on head rod 122, described camera adjusting mechanism and light source adjusting mechanism are positioned at the top of placement surface.
Camera adjusting mechanism 110 can be used for the position of left and right, the up and down aspect adjusting camera, camera is in and detects optimum position.Camera adjusting mechanism 110 comprises horizontal adjusting mechanism 112 and vertical adjustment mechanism 111 and framework 170.Framework 170 is across being arranged on above placement surface 150, and the two ends of horizontal adjusting mechanism 112 are slidably connected two columns of framework, and one end of vertical adjustment mechanism 111 is connected to the top of framework.Horizontal adjusting mechanism 112 is installed with camera 140, camera can move horizontally on the slide rail of horizontal adjusting mechanism is on H1 direction; Horizontal adjusting mechanism 112 can move up and down on V1 direction at the slide rail of vertical adjustment mechanism 111, the two ends connecting frame respectively of vertical adjustment mechanism 111 and horizontal adjusting mechanism 112.The two ends of light source adjusting mechanism 120 are articulated with on fixed bit corresponding to the both sides of placement surface 150.Light source adjusting mechanism can with the line of two fixed bits for axle rotates.
In certain embodiments, also comprise secondary light source 180, secondary light source is installed with on framework 170.As shown in Figure 3, the direction of the light sent of secondary light source and strip source respectively as L1 and L2 in figure identify.
Placement surface 150 can be the travel mechanism that panel is formed.Industrial computer for receiving the view data of collected by camera, and analyzes 2 D code information wherein.Described industrial computer connects described camera 140 and detection platform.
Be applied in production run, the utility model can according to the specification of different testing products, adjustment checkout equipment is to reach optimum Detection results, namely before the Quick Response Code of inspection product, the position of first testing and debugging camera it can be made in the position of the best and fixed by fixture, and adjusting field of illumination and ensure to collect the clear pattern of Quick Response Code and the reflected light avoiding Quick Response Code face.Thus enable the cooperation that camera and light and detection platform reach best, to collect optimum pattern in 2 D code.
The placement surface of described detection platform is travel mechanism in certain embodiments.Travel mechanism can be driven by electric cylinder and seesaw, and the preferred electric cylinder adopting control accuracy to reach 0.01mm, with precise hard_drawn tuhes thrust, realizes other Quick Response Code recognition detection of grade.
Seesawing by detection platform is high-precision and gathers image one by one by line-scan digital camera like this, then a complete high-precision breadth is spliced into, instead of the motion of drive wire array camera, effectively can reduce the shake of camera, be conducive to high-precision image acquisition.And adopt streamline can batch detection as detection platform, be conducive to the efficiency improving Product checking.
In certain embodiments, travel mechanism can be streamline.
In certain embodiments, a side of described placement surface is provided with limited block, and limited block is arranged on placement surface, and placement surface is relative with detection platform fixing, ensures that each product to be detected can rest on the same position immediately below camera.
In certain embodiments, described device is also provided with outer cover.And mechanism all closes by outer cover, reduce the interference of extraneous light as far as possible.
In certain embodiments, described industrial computer also connects light source.
Industrial computer is provided with inspection software.The image in 2 D code collected is transferred to industrial computer by camera, inspection software utilizes the characteristics of image of Quick Response Code, bar code image corresponding to each Quick Response Code can be obtained from the image in 2 D code collected, decoded by the bar code image corresponding to Quick Response Code again, the data of carrying in the bar code image of each Quick Response Code can be obtained, effectively achieve the batch scanning to multiple Quick Response Code and identification, simplify the operation of the scanner uni identification of Quick Response Code, saved the time, improve efficiency.
The foregoing is only embodiment of the present utility model; not thereby scope of patent protection of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a Quick Response Code checkout equipment, comprise camera, light source, industrial computer, propulsion system and detection platform, it is characterized in that: described detection platform is provided with the placement surface placing Quick Response Code printing product, described camera is line-scan digital camera, the direction of scanning of line-scan digital camera is towards placement surface, described light source is strip source, described strip source is parallel with the direction of scanning of line-scan digital camera, the light that strip source sends irradiates on placement surface, the direction relative motion that described propulsion system drives camera is vertical along the direction of scanning of line-scan digital camera with placement surface.
2. a kind of Quick Response Code checkout equipment according to claim 1, it is characterized in that: comprise camera adjusting mechanism, described camera adjusting mechanism is positioned at the top of detection platform.
3. a kind of Quick Response Code checkout equipment according to claim 2, is characterized in that: comprise light source adjusting mechanism;
Described line-scan digital camera side is provided with light source adjusting mechanism, and described light source adjusting mechanism is positioned at the top of detection platform, and described light source adjusting mechanism is provided with light source, for adjusting light-source angle or position.
4. a kind of Quick Response Code checkout equipment according to claim 1, is characterized in that: described detection platform comprises conveyer mechanism, and described placement surface is travelling belt surface.
5. a kind of Quick Response Code checkout equipment according to claim 1, is characterized in that: the placement surface of described detection platform is provided with limited block, and limited block is relative with placement surface fixing.
6. a kind of Quick Response Code checkout equipment according to claim 1, is characterized in that: camera adjusting mechanism comprises horizontal adjusting mechanism and vertical adjustment mechanism;
Described vertical adjustment mechanism comprises two vertical slide rail, vertical slipper, and two vertical slide rail are respectively equipped with vertical slipper, and two vertical slippers are fixedly connected with the two ends of the horizontal slide rail of horizontal adjusting mechanism respectively;
Described horizontal adjusting mechanism comprises horizontal slide rail and cross sliding clock, and the two ends of horizontal slide rail are slidably connected with two vertical slide rail of vertical adjustment mechanism respectively, horizontal slide rail is provided with cross sliding clock, cross sliding clock is provided with camera.
7. a kind of Quick Response Code checkout equipment according to claim 1, is characterized in that: camera adjusting mechanism comprises horizontal adjusting mechanism and vertical adjustment mechanism;
Described horizontal adjusting mechanism comprises horizontal slide rail and cross sliding clock, and the two ends of described horizontal slide rail are fixed, and horizontal slide rail is provided with cross sliding clock, and one end of vertical adjustment mechanism is arranged on cross sliding clock;
Described vertical adjustment mechanism comprises vertical slide rail, vertical slipper, and vertical slide rail is provided with vertical slipper, and vertical slipper is fixedly connected with camera.
8. a kind of Quick Response Code checkout equipment according to claim 3, is characterized in that: described light source adjusting mechanism comprises two fixtures, head rod, the second connecting link, light source adjustment slide block, the second fixed bit, light source adjustment slide rail and light source adjusting knob;
Fixture is individually fixed in outside detection platform two, fixture and head rod hinged, head rod and the second connecting link hinged, one end near the second connecting link of head rod is provided with light source, it is hinged that second connecting link and light source adjust slide block, light source adjustment slide block and light source adjust slide rail and are slidably connected, and one end of light source adjustment slide rail is threaded with light source adjusting knob through the second fixed bit.
9. a kind of Quick Response Code checkout equipment according to claim 1, is characterized in that: described Quick Response Code checkout equipment is for detecting metal Quick Response Code.
10. a kind of Quick Response Code checkout equipment according to claim 1, is characterized in that, described propulsion system drive detection platform, make the relative camera motion of placement surface.
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| CN201520871640.XU CN205176871U (en) | 2015-11-03 | 2015-11-03 | Two -dimensional code check out test set |
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| CN201520871640.XU CN205176871U (en) | 2015-11-03 | 2015-11-03 | Two -dimensional code check out test set |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107330350A (en) * | 2017-07-05 | 2017-11-07 | 中科院合肥技术创新工程院 | A kind of fertilizer packaging bag barcode scanning in-stockroom operation platform |
| CN107480569A (en) * | 2017-10-13 | 2017-12-15 | 伟创力电子技术(苏州)有限公司 | A kind of batch bar code decoding machine |
| CN108195762A (en) * | 2018-03-16 | 2018-06-22 | 鞍钢未来钢铁研究院有限公司 | A kind of micromatic setting and method for realizing line scan camera detection steel defect |
| CN108280378A (en) * | 2018-03-14 | 2018-07-13 | 昆山丘钛微电子科技有限公司 | A kind of two-dimensional code scanning device and two-dimensional code scanning method |
| CN108804958A (en) * | 2017-04-28 | 2018-11-13 | 格科微电子（上海）有限公司 | The method that Image Acquisition is carried out using scanning device |
| CN108981574A (en) * | 2018-10-10 | 2018-12-11 | 索菲亚家居湖北有限公司 | Product size on-line measuring device |
| CN112468719A (en) * | 2020-11-16 | 2021-03-09 | 中国农业大学 | Processed product image acquisition device |
| CN114062367A (en) * | 2020-08-07 | 2022-02-18 | 华晨宝马汽车有限公司 | Apparatus and method for rating data matrix codes on parts |
| CN116432675A (en) * | 2023-02-17 | 2023-07-14 | 广东开放大学（广东理工职业学院） | Two-dimensional code batch scanning equipment, method and device |
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- 2015-11-03 CN CN201520871640.XU patent/CN205176871U/en active Active
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| CN108804958A (en) * | 2017-04-28 | 2018-11-13 | 格科微电子（上海）有限公司 | The method that Image Acquisition is carried out using scanning device |
| CN107330350A (en) * | 2017-07-05 | 2017-11-07 | 中科院合肥技术创新工程院 | A kind of fertilizer packaging bag barcode scanning in-stockroom operation platform |
| CN107480569A (en) * | 2017-10-13 | 2017-12-15 | 伟创力电子技术(苏州)有限公司 | A kind of batch bar code decoding machine |
| CN107480569B (en) * | 2017-10-13 | 2023-08-25 | 伟创力电子技术(苏州)有限公司 | Batch bar code decoder |
| CN108280378A (en) * | 2018-03-14 | 2018-07-13 | 昆山丘钛微电子科技有限公司 | A kind of two-dimensional code scanning device and two-dimensional code scanning method |
| CN108280378B (en) * | 2018-03-14 | 2021-10-15 | 昆山丘钛微电子科技股份有限公司 | Two-dimensional code scanning device and two-dimensional code scanning method |
| CN108195762A (en) * | 2018-03-16 | 2018-06-22 | 鞍钢未来钢铁研究院有限公司 | A kind of micromatic setting and method for realizing line scan camera detection steel defect |
| CN108195762B (en) * | 2018-03-16 | 2024-03-26 | 鞍钢集团北京研究院有限公司 | Fine adjustment device and method for detecting strip steel defects by using line scanning camera |
| CN108981574A (en) * | 2018-10-10 | 2018-12-11 | 索菲亚家居湖北有限公司 | Product size on-line measuring device |
| CN114062367A (en) * | 2020-08-07 | 2022-02-18 | 华晨宝马汽车有限公司 | Apparatus and method for rating data matrix codes on parts |
| CN112468719A (en) * | 2020-11-16 | 2021-03-09 | 中国农业大学 | Processed product image acquisition device |
| CN116432675A (en) * | 2023-02-17 | 2023-07-14 | 广东开放大学（广东理工职业学院） | Two-dimensional code batch scanning equipment, method and device |
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Effective date of registration: 20171207 Address after: 200000 Shanghai, Xuhui District Pu North Road, room 988, No. 311 Co-patentee after: FUZHOU DRAGONFLY VISION TECHNOLOGY CO.,LTD. Patentee after: SHANGHAI DRAGONFLY VISION TECHNOLOGY CO.,LTD. Address before: Room 14, building C, software park, No. 89, Fuzhou Software Park, Gulou District, Fujian, Fuzhou, 350003, China Patentee before: FUZHOU DRAGONFLY VISION TECHNOLOGY CO.,LTD. |
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Denomination of utility model: A two-dimensional code detection equipment Effective date of registration: 20211119 Granted publication date: 20160420 Pledgee: Industrial Bank Co.,Ltd. Shanghai Shizhong sub branch Pledgor: FUZHOU DRAGONFLY VISION TECHNOLOGY CO.,LTD.|SHANGHAI DRAGONFLY VISION TECHNOLOGY CO.,LTD. Registration number: Y2021310000104 |
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Date of cancellation: 20231122 Granted publication date: 20160420 Pledgee: Industrial Bank Co.,Ltd. Shanghai Shizhong sub branch Pledgor: SHANGHAI DRAGONFLY VISION TECHNOLOGY CO.,LTD.|FUZHOU DRAGONFLY VISION TECHNOLOGY CO.,LTD. Registration number: Y2021310000104 |