CN114065791A - Miniature two-dimensional code reading system and method - Google Patents
Miniature two-dimensional code reading system and method Download PDFInfo
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- CN114065791A CN114065791A CN202111269806.7A CN202111269806A CN114065791A CN 114065791 A CN114065791 A CN 114065791A CN 202111269806 A CN202111269806 A CN 202111269806A CN 114065791 A CN114065791 A CN 114065791A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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Abstract
A micro two-dimension code reading system comprises a camera device and an image signal receiving device, wherein the camera device is used for shooting a two-dimension code on a workpiece and generating an image signal of the two-dimension code; the image signal receiving device is in signal connection with the camera device, and after receiving the image signal, the position of the two-dimensional code is identified and the two-dimensional code is read through an intelligent image identification module. A method for reading a micro two-dimensional code is also disclosed. The miniature two-dimensional code reading system and the miniature two-dimensional code reading method provided by the invention can be used for conveniently identifying and reading the miniature two-dimensional code with extremely small size, so that the miniature two-dimensional code is more practical to mark on the miniature component.
Description
Technical Field
The present invention relates to a two-dimensional code reading system and method, and more particularly, to a micro two-dimensional code reading system and method.
Background
In modern life, purchasing goods and managing goods often uses bar codes to help record items and count quantities. With the advancement of science and technology, bar codes are no longer just strip-shaped arrangements with black and white alternating, two-dimensional codes are developed due to the improvement of information quantity, and the two-dimensional codes can be further divided into forms such as data matrix (data matrix), QR code, PDF417 code and the like according to the difference of application fields.
In addition, since the two-dimensional code can record information of a plurality of goods and goods, in recent years, the two-dimensional code is used for marking product information on the outer package of the goods, and the two-dimensional code is used for marking goods information even on the surface of part of goods.
However, the two-dimensional code, like a general barcode, requires a code reader to read the information contained in the two-dimensional code. When the size of the two-dimensional code is smaller than the identification limit value of a common code reader, the common code reader cannot directly identify and read the miniature two-dimensional code with the extremely small size. Therefore, a novel system and method for reading a micro two-dimensional code are urgently needed.
Disclosure of Invention
In view of this, the present invention provides a system and a method for reading a micro two-dimensional code, wherein an image of the micro two-dimensional code marked on a surface of a workpiece is enlarged by a camera and an image signal receiving device, and then the image signal receiving device identifies a position of the two-dimensional code through an intelligent image identification module and reads the two-dimensional code. The miniature two-dimensional code reading system and the method provided by the invention are formed by combining the camera device and the image signal receiving device with general specifications, and an expensive miniature two-dimensional code reader is not required to be purchased additionally, so that the cost of the two-dimensional code reader can be obviously reduced.
The invention aims to provide a micro two-dimensional code reading system, which comprises a camera device and an image signal receiving device, wherein the camera device is used for shooting a two-dimensional code on a workpiece and generating an image signal of the two-dimensional code; the image signal receiving device is in signal connection with the camera device, and after receiving the image signal, the position of the two-dimensional code is identified and the two-dimensional code is read through an intelligent image identification module.
Another objective of the present invention is to provide a method for reading a micro two-dimensional code, which comprises at least the following steps:
providing a camera device, shooting a two-dimensional code on a workpiece, and generating an image signal of the two-dimensional code;
and providing an image signal receiving device, wherein the image signal receiving device is in signal connection with the camera device, and after receiving the image signal, the position of the two-dimensional code is identified and the two-dimensional code is read through an intelligent image identification module.
The invention has the effects that the image of the micro two-dimensional code marked on the surface of the workpiece is amplified by the camera device and the image signal receiving device, and then the image signal receiving device identifies the position of the two-dimensional code through the intelligent image identification module and reads the two-dimensional code. The miniature two-dimensional code reading system and the method provided by the invention are formed by combining the camera device and the image signal receiving device with general specifications, and an expensive miniature two-dimensional code reader is not required to be purchased additionally, so that the cost of the two-dimensional code reader can be obviously reduced.
Drawings
Fig. 1 is a schematic view of a micro two-dimensional code reading system according to a first embodiment of the present invention.
Fig. 2 is a schematic view of a light source position of the micro two-dimensional code reading system of fig. 1.
Fig. 3 is a schematic view of a micro two-dimensional code reading system according to a second embodiment of the present invention.
Fig. 4 is a schematic view of a micro two-dimensional code reading method according to a first embodiment of the present invention.
Fig. 5 is a flowchart of a micro two-dimensional code reading method according to a first embodiment of the present invention.
Fig. 6 is another flowchart of a micro two-dimensional code reading method according to a first embodiment of the present invention.
Fig. 7 is still another flowchart of a micro two-dimensional code reading method according to the first embodiment of the present invention.
Fig. 8 is still another flowchart of a micro two-dimensional code reading method according to the first embodiment of the present invention.
Fig. 9 is a flowchart of a micro two-dimensional code reading method according to a second embodiment of the present invention.
Fig. 10 is another flowchart of a micro two-dimensional code reading method according to a second embodiment of the present invention.
Fig. 11 is still another flowchart of a micro two-dimensional code reading method according to a second embodiment of the present invention.
Detailed Description
The micro two-dimensional code reading system and method of the present invention will be described with reference to the embodiments of the present invention and the accompanying drawings, which are used to illustrate the spirit of the present invention and make it easier to understand, but not to limit the scope of the present invention.
Referring to fig. 1, a micro two-dimensional code reading system 100 according to a first embodiment of the present invention at least includes an image capturing device 110 and an image signal receiving device 120. The camera 110 is used to shoot the two-dimensional code W2 on the workpiece W1 and generate the image signal of the two-dimensional code W2. In the embodiment of the invention, the length of the two-dimensional code W2 is less than or equal to 1 millimeter (mm) and greater than 0 mm; in another embodiment, the two-dimensional code W2 may have a side length of 0.7 millimeters (mm) or less and greater than 0.2 mm (mm), for example. The workpiece W1 where the two-dimensional code W2 is located is a light-transmitting piece, a light-shielding piece or a combination thereof; and, the two-dimensional code W2 is formed on the surface of the work W1, which is a smooth surface, a rough surface or a combination thereof.
The image signal receiving device 120 is connected to the camera device 110 via signals, and receives the image signal of the two-dimensional code W2, and then the intelligent image recognition module recognizes the position of the two-dimensional code W2 and reads the content information of the two-dimensional code W2. The intelligent image identification module adjusts the image signal to a readable state by using an image processing program and then reads the image signal in the readable state.
In the embodiment of the present invention, the image signal receiving device 120 may be, for example, a processing machine, a user interface, a display device, or a combination thereof, and when the image signal receiving device 120 is a processing machine, the processing machine can automatically perform the subsequent processing steps after receiving and reading the information contained in the two-dimensional code W2; when the image signal receiving device 120 is a user interface, the user interface can automatically display the content information of the two-dimensional code W2 for the user to confirm or further operate after receiving and reading the content information of the two-dimensional code W2.
In the embodiment of the invention, the image capturing device 110 may include optical amplification and digital amplification modes to generate an image signal of an amplified image of the two-dimensional code W2 when capturing the two-dimensional code W2.
Referring to fig. 1 and fig. 2, the micro two-dimensional code reading system 100 may further include a light source 150 for illuminating the two-dimensional code W2 to increase the degree of image differentiation between the two-dimensional code W2 and the background thereof, thereby increasing the recognition rate of the magnified image W2 a. In the embodiment of the invention, the light source 150 is a side light source, and an included angle θ between incident light of the side light source and the two-dimensional code W2 is in a range from 0 degree to 45 degrees, or from 10 degrees to 30 degrees, or from 15 degrees to 25 degrees. In the embodiment of the present invention, the light source 150 is illustrated as a single light source, and in practice, the light source 150 may be any light source type capable of increasing the degree of difference between the two-dimensional code W2 and the image of the background thereof, such as a ring light source, a point light source, a laser light source, a visible light source, an invisible light source, a flash light source, and the like. In the embodiment of the present invention, the light source 150 is signal or electrically connected to the camera device 110 and/or the image signal receiving device 120, and the parameter ranges of the light source 150, such as on/off, brightness, flicker, color light, and angle θ, can be automatically controlled by the camera device 110 and/or the image signal receiving device 120.
Referring to fig. 3, a second embodiment of the invention provides a micro two-dimensional code reading system 200 at least including a camera device 210, a display device 220 and a two-dimensional code reading device 230. The image capturing device 210 is used to capture the two-dimensional code W2 on the workpiece W1 and generate the image signal of the two-dimensional code W2. In the second embodiment of the present invention, the workpiece W1 and the two-dimensional code W2 are the same as the workpiece W1 and the two-dimensional code W2 of the first embodiment, and therefore, the description thereof is omitted here for brevity.
In the second embodiment of the present invention, the image capturing device 210 may include optical amplification and digital amplification modes for generating an image signal of an amplified image of the two-dimensional code W2 when capturing the two-dimensional code W2.
In fig. 3, the display device 220 is signal-connected to the image pickup device 210, and after receiving the image signal, the display device 220 displays an enlarged image W2a of the two-dimensional code W2. In the embodiment of the invention, after receiving the image signal, the display device 220 may automatically perform digital amplification or generate digital amplification effect through user operation, so as to display the amplified image W2a of the two-dimensional code W2.
The two-dimensional code reading device 230 is used for scanning the enlarged image W2a of the two-dimensional code W2 displayed by the display device 220 and recognizing and reading the two-dimensional code W2.
The micro two-dimensional code reading system 200 may further include a light source 250 for illuminating the two-dimensional code W2 to improve the degree of image differentiation between the two-dimensional code W2 and the background thereof, thereby improving the recognition rate of the magnified image W2 a. In the second embodiment of the present invention, the light source 250 is the same as the light source 150 of the first embodiment, and therefore, the description thereof is omitted here for brevity.
In fig. 3, the micro two-dimensional code reading system 200 may further include a two-dimensional code information display device 240, which is in signal connection with the two-dimensional code reading device 230, so that the information of the two-dimensional code W2 read by the two-dimensional code reading device 230 can be displayed on the two-dimensional code information display device 240, so that a user can conveniently look up the recorded information of the micro two-dimensional code W2. In the embodiment of the present invention, the two-dimensional code information display device 240 and the two-dimensional code reading device 230 may be independent devices, or may be an integrated device, for example, the two-dimensional code information display device 240 may be an information display window on the two-dimensional code reading device 230.
Next, please refer to fig. 4 to 8 in conjunction with fig. 1 and fig. 2, and fig. 4 to fig. 8 are schematic diagrams and flowcharts of a method for reading a micro two-dimensional code according to a first embodiment of the present invention. In the embodiment of the present invention, the length of the side of the two-dimensional code W2 is less than or equal to 1 millimeter (mm) and greater than 0 mm; in another embodiment, the two-dimensional code W2 may have a side length of 0.7 millimeters (mm) or less and greater than 0.2 mm (mm), for example.
In fig. 4 and 5, the method for reading the micro two-dimensional code includes at least the following steps:
step S10, providing the camera 110, taking the two-dimensional code W2 on the workpiece W1, and generating the image signal of the two-dimensional code W2;
in step S20, an image signal receiving device 120 is provided, which is connected to the image capturing device 110 and receives the image signal,
through an intelligent image recognition module, the position of the two-dimensional code W2 is recognized, and the two-dimensional code W2 is read.
In fig. 4, a workpiece W1 has a two-dimensional code W2 thereon, and in step S10, the image capturing device 110 captures the two-dimensional code W2 and generates an image signal, which is transmitted to the image signal receiving device 120; in step S20, the image signal receiving device 120 automatically recognizes the position of the two-dimensional code W2 through the intelligent image recognition module, as shown in block 112 of fig. 4, and automatically reads the memory information W3 of the two-dimensional code W2.
In detail, as shown in steps S21 and S22 of fig. 6, in the step of automatically recognizing the position of the two-dimensional code W2 and automatically reading the memory information W3 of the two-dimensional code W2, the intelligent image recognition module may further adjust the image signal to a readable state by using an image processing procedure and automatically read the image signal in the readable state.
In an embodiment of the present invention, the method for reading the micro two-dimensional code may further include providing a light source 150 to illuminate the two-dimensional code W2, so as to increase the degree of image differentiation between the two-dimensional code W2 and the background thereof. The light source 150 may be, for example, a side light source, and an angle θ between incident light of the side light source and the two-dimensional code W2 is in a range of 0 degree to 45 degrees, or 10 degrees to 30 degrees, or 15 degrees to 25 degrees. In practice, the light source 150 may be any light source form capable of increasing the degree of image differentiation between the two-dimensional code W2 and its background, such as a single light source, a ring light source, a point light source, a laser light source, a visible light source, an invisible light source, a flash light source, etc. In the embodiment of the present invention, the light source 150 is signal or electrically connected to the camera device 110 and/or the image signal receiving device 120, and the parameter ranges of the light source 150, such as on/off, brightness, flicker, color light, and angle θ, can be automatically controlled by the camera device 110 and/or the image signal receiving device 120.
Fig. 7 further illustrates a variation of step S20 in fig. 5, and in detail, when the two-dimensional code W2 is captured by the image capturing device 110, the method may further include:
step S23, the image capturing device 110 first magnifies the image of the two-dimensional code W2 by optical magnification, digital magnification, or a combination thereof;
in step S21, the image signal receiving apparatus 120 adjusts the image signal of the amplified image to a readable state by using an image processing procedure;
in step S22, the image signal receiving apparatus 120 automatically reads the image signal in a readable state.
Fig. 8 further illustrates a variation of step S10 in fig. 5, and in detail, when the two-dimensional code W2 is captured by the image capturing device 110, the method may further include:
in step S11, the image capturing device 110 first magnifies the image of the two-dimensional code W2 by optical magnification, digital magnification, or a combination thereof;
in step S12, the image pickup device 110 generates an image signal of the two-dimensional code W2.
Further, the optical enlargement and/or the digital enlargement cause the imaging device 110 to enlarge the image of the two-dimensional code W2 into the enlarged image W2a by automatic enlargement or manual enlargement by the user. In the first embodiment of the present invention, the image processing procedure (i.e., the step S21) may be, for example, a computer-aided map modification procedure, i.e., a computer-aided map modification procedure is performed to automatically perform the functions of denoising, contrast enhancement, edge sharpening, binarization, or a combination thereof, so as to increase the degree of difference between the amplified image W2a of the two-dimensional code W2 and the background thereof, and further increase the recognition rate of the image signal receiving device 120 for the amplified image W2a of the two-dimensional code W2. In the first embodiment of the present invention, the image processing program utilizes computer program operation to automatically adjust the amplified image W2a of the two-dimensional code W2, generate a recognizable and readable digital two-dimensional code corresponding to the two-dimensional code W2, and further read the digital two-dimensional code to improve the overall recognition rate and accuracy of the original two-dimensional code W2.
Referring to fig. 3 and fig. 9 to 11 together, in a second embodiment of the present invention, a method for reading a micro two-dimensional code includes at least the following steps:
step S10, providing the camera 210, taking a picture of the two-dimensional code W2 on the workpiece W1, and generating an image signal of the two-dimensional code W2;
step S50, providing the display device 220, the signal of which is connected to the camera device 210, and after receiving the image signal, the display device 220 displays the magnified image W2a of the two-dimensional code W2;
in step S60, the two-dimensional code reading device 230 is provided to scan the magnified image W2a of the two-dimensional code W2 displayed on the display device 220 and to recognize and read the two-dimensional code W2.
In the second embodiment of the present invention, the method for reading the micro two-dimensional code may further include providing a light source 250 to illuminate the two-dimensional code W2, so as to increase the degree of image differentiation between the two-dimensional code W2 and the background thereof. The light source 250 is the same as the light source 150 of the first embodiment, and therefore, the description thereof is omitted
Fig. 10 further illustrates a variation of step S50 in fig. 9, in detail, before the display device 220 displays the magnified image W2a of the two-dimensional code W2, the method may further include:
in step S51, the display device 220 receives the image signal;
step S52, firstly, the intelligent image repairing step of the computer is carried out;
in step S53, the enlarged image W2a of the two-dimensional code W2 is displayed.
In short, when the display device 220 displays the enlarged image W2a of the two-dimensional code W2, the display device 220 displays the enlarged image W2a of the two-dimensional code W2 by digital enlargement. Further, the digital enlargement causes the display device 220 to display an enlarged image W2a of the two-dimensional code W2 by automatic enlargement or manual enlargement by the user. In the embodiment of the present invention, the computer intelligent mapping step (i.e., step S52) includes denoising, contrast enhancement, edge sharpening, binarization, or a combination thereof; the intelligent computer map modifying step is to automatically perform map modifying functions such as denoising, contrast increasing, edge sharpening, binary or a combination thereof by using computer program operation, so as to improve the degree of differentiation between the amplified image W2a of the two-dimensional code W2 and the background thereof, and further improve the recognition rate of the two-dimensional code reading device 230 on the amplified image W2a of the two-dimensional code W2.
Fig. 11 further illustrates a variation of step S60 in fig. 9, in particular, the scanning of the magnified image W2a of the two-dimensional code W2 displayed on the display device 220 by the two-dimensional code reading device 230 may further include:
step S61, the two-dimensional code reading device 230 captures the arrangement pattern of each point in the magnified image W2 a;
in step S62, the two-dimensional code reading device 230 generates a digital two-dimensional code (not shown);
in step S63, the two-dimensional code reading device 230 reads the digital two-dimensional code.
In the second embodiment of the present invention, by converting the amplified image W2a of the two-dimensional code W2 into the digital two-dimensional code and then reading the digital two-dimensional code, the noise of the amplified image W2a of the original two-dimensional code W2 can be removed, so as to significantly improve the recognition rate of the two-dimensional code reading apparatus 130 on the amplified image W2a of the two-dimensional code W2. In short, the step of scanning the magnified image W2a of the two-dimensional code W2 displayed by the display device 120 may be, for example, a computer-aided image recognition step, in which a computer program is used to automatically reconstruct the magnified image W2a of the two-dimensional code W2, so as to generate a digital two-dimensional code corresponding to the two-dimensional code W2, thereby improving the overall recognition rate and accuracy of the two-dimensional code W2.
In summary, compared with a general two-dimensional code reader, the micro two-dimensional code reading system and method provided by the invention can be used for identifying and reading a micro two-dimensional code with the side length less than or equal to 1 millimeter (mm) in real time, so that the micro two-dimensional code is marked on a micro component more practically. Furthermore, compared with the small two-dimensional code reader which is sold in market and has high specification, high price and complex mechanism, the micro two-dimensional code reading system and the method provided by the invention have quite low composition cost and can effectively and accurately read the micro two-dimensional code on the micro component.
The image of the miniature two-dimensional code marked on the surface of the workpiece is amplified by the camera device and the image signal receiving device, and then the position of the two-dimensional code is identified and the two-dimensional code is read by the intelligent image identification module after the image signal is received by the common image signal receiving device. The micro two-dimension code reading system and the method provided by the invention are formed by combining the camera device and the image signal receiving device with general specifications, and an expensive micro two-dimension code reader is not required to be purchased additionally, so that the cost of the two-dimension code reader can be obviously reduced.
Description of the reference numerals
100,200: miniature two-dimensional code reading system
110,210: image pickup apparatus
112: square frame
120: image signal receiving device
150,250: light source
220: display device
230: two-dimensional code reading device
240: two-dimensional code information display device
θ: angle of rotation
S10, S11, S12, S20, S21, S22, S23, S50, S51, S52, S53, S60, S61, S62, S63: step (ii) of
W1: workpiece
W2: two-dimensional code
W2 a: magnifying an image
W3: and (5) storing the information.
Claims (10)
1. A miniature two-dimensional code reading system comprising:
the camera device is used for shooting a two-dimensional code on a workpiece and generating an image signal of the two-dimensional code;
and the image signal receiving device is in signal connection with the camera device, receives the image signal, identifies the position of the two-dimensional code through an intelligent image identification module, and reads the two-dimensional code.
2. The system for reading a two-dimensional code according to claim 1, wherein the image signal receiving device comprises a display device, the display device is connected to the image capturing device via signals, and the display device displays an enlarged image of the two-dimensional code after receiving the image signal;
the miniature two-dimensional code reading system further comprises a two-dimensional code reading device, and the two-dimensional code reading device is used for scanning the amplified image of the two-dimensional code displayed by the display device, and identifying and reading the two-dimensional code.
3. The system of claim 1, wherein the image recognition module adjusts the image signal to a readable state by an image processing procedure, and reads the image signal in the readable state.
4. The miniature two-dimensional code reading system according to claim 1, further comprising a light source for illuminating the two-dimensional code to increase the degree of image differentiation between the two-dimensional code and its background.
5. The micro two-dimensional code reading system according to claim 3, wherein the light source is a side light source, and an angle between incident light of the side light source and the two-dimensional code ranges from 0 degree to 45 degrees.
6. A method for reading a miniature two-dimensional code comprises the following steps:
providing a camera device, shooting a two-dimensional code on a workpiece, and generating an image signal of the two-dimensional code;
and providing an image signal receiving device, wherein the image signal receiving device is in signal connection with the camera device, and after receiving the image signal, the position of the two-dimensional code is identified and the two-dimensional code is read through an intelligent image identification module.
7. The method as claimed in claim 6, wherein the image recognition module adjusts the image signal to a readable state by an image processing procedure, and reads the image signal in the readable state.
8. The method as claimed in claim 7, wherein the intelligent image recognition module displays an enlarged image of the two-dimensional code by digital amplification, and reads the image signal in the readable state by the image processing program.
9. The method for reading the micro two-dimensional code as claimed in claim 6, wherein when the image capturing device captures the two-dimensional code, the image capturing device first captures an image of the two-dimensional code by optical amplification, digital amplification or a combination thereof, and then generates the image signal of the two-dimensional code.
10. The method for reading the miniature two-dimensional code as claimed in claim 6, further comprising providing a light source for illuminating the two-dimensional code to increase the degree of image differentiation between the two-dimensional code and its background.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049722A (en) * | 2011-10-12 | 2013-04-17 | 何健 | Method for identifying jewelry by laser-printing micro two-dimensional code |
| CN204028928U (en) * | 2014-06-28 | 2014-12-17 | 深圳市众和正通科技发展有限公司 | A kind of coding harvester |
| JP2015162765A (en) * | 2014-02-26 | 2015-09-07 | コニカミノルタ株式会社 | Image processing system, two-dimensional code generation and display method and generation and display program |
| JP2021114151A (en) * | 2020-01-20 | 2021-08-05 | 光トライオード株式会社 | Two-dimensional code reader |
-
2021
- 2021-10-29 CN CN202111269806.7A patent/CN114065791A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049722A (en) * | 2011-10-12 | 2013-04-17 | 何健 | Method for identifying jewelry by laser-printing micro two-dimensional code |
| JP2015162765A (en) * | 2014-02-26 | 2015-09-07 | コニカミノルタ株式会社 | Image processing system, two-dimensional code generation and display method and generation and display program |
| CN204028928U (en) * | 2014-06-28 | 2014-12-17 | 深圳市众和正通科技发展有限公司 | A kind of coding harvester |
| JP2021114151A (en) * | 2020-01-20 | 2021-08-05 | 光トライオード株式会社 | Two-dimensional code reader |
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Application publication date: 20220218 |