CN111951030A - Product identification tracing method and system based on ink-jet printer - Google Patents
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Abstract
The product identification tracing method and system based on the ink-jet printer generate dynamic identification information according to a dynamic data format through initial identification data, and call the dynamic identification information to print on the surfaces of different products; when the printing of the dynamic identification information is finished, sorting the dynamic identification information printed in the same batch according to a dynamic data format; comparing the sorted dynamic identification information, and judging whether the dynamic identification information has a repeated or staggered condition; when the dynamic identification information has no repetition or dislocation condition, the missing dynamic identification information is subjected to complement operation; returning all dynamic identification information printed by the ink-jet printer according to a dynamic data format, and storing the returned dynamic identification information by adopting a tracing database; and screening and inquiring the tracing database by adopting the keywords of the dynamic identification information on the surface of the product so as to trace the product corresponding to the dynamic identification information. The invention realizes the product identification tracing based on the ink-jet printer.
Description
Technical Field
The invention belongs to the technical field of code spraying and tracing, and particularly relates to a product identification tracing method and system based on an ink-jet printer.
Background
At present, with the increasing demands of people on product safety and the like, various industries have retroactive demands on product production, such as food, medicine, seed industries and the like, for example, electronic supervision codes or other personalized marks need to be printed in the product production, the supervision codes or the marks are stored in a database after the product production is finished, and therefore when safety problems occur subsequently, whole-course retroactive tracking can be performed according to the marks.
The traditional tracing scheme usually uses an ink jet printer as an auxiliary device, and the ink jet printer is only responsible for jet printing of a mark, for example, patent CN106356568B, and only uses the ink jet printer to jet print the jet-printed mark on a product, but such a scheme has several disadvantages:
firstly, the condition that the code spraying equipment fails or interferes is ignored, usually, a battery is sensed and a code is printed, so that the condition that the battery is printed with the same code or the code is printed in a staggered manner is sometimes caused, or a sprayed mark printed by spraying cannot be identified;
secondly, the jet printing marks are automatically generated by the ink jet printer, and if the number of products is large, how to conveniently store the jet printing marks in a database is also a troublesome matter.
For another example, patent CN109774315A proposes a new solution for the plastic pipeline industry, but the solution, which uses an inkjet printer as an auxiliary device, solves the problem of the above solution CN106356568B, but has several disadvantages as follows:
firstly, the cost is high, particularly, a microprocessor module is added, the operation is complex, an ERP system is needed, the scheme is basically invalid when the system leaves the industry, and the universality is poor;
secondly, because of more modules and more disorderly data trend, it may be the reason for this, CN109774315A mentions that "whether the code spraying information of the product is present or not, the position, the height and the color effect are compared by the photoelectric camera of the product detection system", but the information content is not compared;
thirdly, as the data flow is complex, once a certain data is in a problem in comparison, the judgment result is presented and confirmed in the form of sound, light and codes, and data sorting is correspondingly completed, but the code complementing operation cannot be performed, which is very important for some industries.
In summary, a product identification tracing technical scheme with a new idea is needed.
Disclosure of Invention
Therefore, the invention provides a product identification tracing method and system based on an ink-jet printer, which realize that a product provides a scheme convenient to trace through the ink-jet printer in the ink-jet printing stage, and error code printing can be reprinted, namely code supplement is carried out.
In order to achieve the above purpose, the invention provides the following technical scheme: the product identification tracing method based on the ink-jet printer comprises the following steps:
acquiring initial identification data of identification information printed on the surfaces of products by an ink-jet printer, and presetting a dynamic data format of the identification information continuously printed on the surfaces of different products;
generating dynamic identification information according to the dynamic data format through the initial identification data, and calling the dynamic identification information to print on the surfaces of different products;
when the printing of the dynamic identification information is finished, sorting the dynamic identification information printed in the same batch according to the dynamic data format;
comparing the sorted dynamic identification information, and judging whether the dynamic identification information has a repeated or staggered condition;
when the dynamic identification information has no repetition or dislocation condition, the missing dynamic identification information is subjected to a complement operation;
returning all the dynamic identification information printed by the code spraying machine according to the dynamic data format, and storing the returned dynamic identification information by adopting a tracing database;
and screening and inquiring the tracing database by adopting the keywords of the dynamic identification information on the surface of the product so as to trace the product corresponding to the dynamic identification information.
The invention also provides a product identification tracing method based on the ink-jet printer, which comprises the following steps:
acquiring initial identification data of identification information printed on the surfaces of products by an ink-jet printer, and presetting a dynamic data format of the identification information continuously printed on the surfaces of different products;
generating dynamic identification information according to the dynamic data format through the initial identification data, and calling the dynamic identification information to print on the surfaces of different products;
and carrying out visual detection on the surface of the product after spray printing is finished, comparing the visual detection result with the dynamic identification information of the spray printing to judge whether the spray printing has errors, and carrying out code complementing operation when the actual spray printing result of the visual detection is different from the dynamic identification information corresponding to the product.
As an optimal scheme of the product identification tracing method based on the code spraying machine, when the visual detection result is compared with the dynamic identification information of the spray printing to judge that the spray printing has errors, alarm information is given, and the wrong products are removed according to the alarm information.
As a preferred scheme of the product identification tracing method based on the code spraying machine, when the visual detection result is compared with the dynamic identification information of the spray printing to judge that the spray printing is correct, the printed dynamic identification information data is transmitted back to a tracing database or is accessed to a position designated by a user.
As a preferred scheme of the product identification tracing method based on the code spraying machine, the initial identification data and the dynamic data format of the identification information printed on the surface of the product by the code spraying machine are stored by adopting the mobile storage equipment, and the code spraying machine calls the identification information from the mobile storage equipment to perform off-line spray printing.
The invention also provides a product identification tracing system based on the ink-jet printer, which comprises:
the data configuration module is used for acquiring initial identification data of the identification information printed on the surfaces of the products by the ink-jet printer and presetting a dynamic data format of the identification information continuously printed on the surfaces of different products;
the identification information processing module is used for generating dynamic identification information according to the dynamic data format through the initial identification data and calling the dynamic identification information to print on the surfaces of different products;
the data sorting module is used for sorting the dynamic identification information printed in the same batch according to the dynamic data format when the dynamic identification information is printed;
the later comparison module is used for comparing the sorted dynamic identification information and judging whether the dynamic identification information has a repeated or staggered condition;
the code complementing module is used for complementing the missing dynamic identification information when the dynamic identification information has no repeated or staggered condition;
the data returning module is used for returning all the dynamic identification information printed by the ink-jet printer according to the dynamic data format;
the data storage module is used for storing the returned dynamic identification information by adopting a tracing database;
and the tracing module is used for screening and inquiring the tracing database by adopting the keywords of the dynamic identification information on the surface of the product so as to trace the product corresponding to the dynamic identification information.
As an optimal scheme of the product identification tracing system based on the inkjet printer, the method further comprises the following steps:
and the visual detection module is used for carrying out visual detection on the surface of the product after the spray printing is finished, comparing the visual detection result with the dynamic identification information of the spray printing to judge whether the spray printing has errors or not, and carrying out code complementing operation through the code complementing module when the actual spray printing result of the visual detection is different from the dynamic identification information corresponding to the product.
As an optimal scheme of the product identification tracing system based on the inkjet printer, the method further comprises the following steps:
and the early warning module is used for giving alarm information when the visual detection result is compared with the dynamic identification information of the jet printing to judge that the jet printing has errors, and rejecting wrong products according to the alarm information.
As an optimal scheme of the product identification tracing system based on the code spraying machine, when the visual detection result is compared with the dynamic identification information of the spray printing to judge that the spray printing is correct, the printed dynamic identification information data is transmitted back to the tracing database or is accessed to a position designated by a user through the data transmission back module.
As an optimal scheme of the product identification tracing system based on the inkjet printer, the method further comprises the following steps:
and the off-line spray printing module is used for storing the initial identification data and the dynamic data format of the identification information printed on the surface of the product by the code spraying machine by adopting a mobile storage device, and the code spraying machine calls the identification information from the mobile storage device to perform off-line spray printing.
The dynamic data format of identification information continuously printed on the surfaces of different products is preset, the dynamic identification information is generated according to the dynamic data format through the initial identification data, and the dynamic identification information is called to be printed on the surfaces of the different products; when the printing of the dynamic identification information is finished, sorting the dynamic identification information printed in the same batch according to a dynamic data format; comparing the sorted dynamic identification information, and judging whether the dynamic identification information has a repeated or staggered condition; when the dynamic identification information has no repetition or dislocation condition, the missing dynamic identification information is subjected to complement operation; returning all dynamic identification information printed by the ink-jet printer according to a dynamic data format, and storing the returned dynamic identification information by adopting a tracing database; and screening and inquiring the tracing database by adopting the keywords of the dynamic identification information on the surface of the product so as to trace the product corresponding to the dynamic identification information. And meanwhile, the visual detection can be carried out on the surface of the product after the jet printing is finished, the visual detection result and the dynamic identification information of the jet printing are compared to judge whether the jet printing has errors or not, and the code complementing operation is carried out when the actual jet printing result of the visual detection is different from the dynamic identification information corresponding to the product. The invention is based on the code spraying machine, has low cost and better industrial universality, and can be set according to different requirements; the printed information can be backed up to a local or server according to a specified format, so that the background data can be further stored and processed conveniently, wrong code printing can be reprinted, namely code supplement is carried out, and the method is particularly suitable for jet printing of electronic supervision codes.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic flow chart of a product identifier tracing method based on an inkjet printer according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a product identifier tracing method based on an inkjet printer according to another embodiment of the present invention;
fig. 3 is a schematic diagram of a product identifier tracing system based on an inkjet printer according to an embodiment of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a product identifier tracing method based on an inkjet printer is provided, which includes the following steps:
s1: acquiring initial identification data of identification information printed on the surfaces of products by an ink-jet printer, and presetting a dynamic data format of the identification information continuously printed on the surfaces of different products;
s2: generating dynamic identification information according to the dynamic data format through the initial identification data, and calling the dynamic identification information to print on the surfaces of different products;
s3: when the printing of the dynamic identification information is finished, sorting the dynamic identification information printed in the same batch according to the dynamic data format;
s4: comparing the sorted dynamic identification information, and judging whether the dynamic identification information has a repeated or staggered condition;
s5: when the dynamic identification information has no repetition or dislocation condition, the missing dynamic identification information is subjected to a complement operation;
s6: returning all the dynamic identification information printed by the code spraying machine according to the dynamic data format, and storing the returned dynamic identification information by adopting a tracing database;
s7: and screening and inquiring the tracing database by adopting the keywords of the dynamic identification information on the surface of the product so as to trace the product corresponding to the dynamic identification information.
Referring to fig. 2, the invention further provides a product identifier tracing method based on an inkjet printer, which includes the following steps:
t1: acquiring initial identification data of identification information printed on the surfaces of products by an ink-jet printer, and presetting a dynamic data format of the identification information continuously printed on the surfaces of different products;
t2: generating dynamic identification information according to the dynamic data format through the initial identification data, and calling the dynamic identification information to print on the surfaces of different products;
t3: and carrying out visual detection on the surface of the product after spray printing is finished, comparing the visual detection result with the dynamic identification information of the spray printing to judge whether the spray printing has errors, and carrying out code complementing operation when the actual spray printing result of the visual detection is different from the dynamic identification information corresponding to the product.
Specifically, when the visual detection result is compared with the dynamic identification information of the jet printing to judge that the jet printing has an error, alarm information is given, and the wrong product is removed according to the alarm information. And when the visual detection result is compared with the dynamic identification information of the jet printing to judge that the jet printing is correct, the printed dynamic identification information data is transmitted back to a tracing database or is accessed to a position designated by a user. Storing the initial identification data and the dynamic data format of the identification information printed on the surface of the product by the code spraying machine by adopting a mobile storage device, and calling the identification information from the mobile storage device by the code spraying machine for off-line spray printing.
The precondition of product tracing is that information identification spray printing needs to be carried out on the surface of an object, and the spray printing identification is completed by an ink-jet printer, so that a mechanism convenient to trace is provided based on the ink-jet printer, and the mechanism is very important for customers. The core of the invention is that the code spraying machine of the product in the spray printing stage is used as the core to provide a convenient tracing mechanism.
The data sources of the jet printing can be configured, electronic supervision codes are applied by some industries in advance, the supervision codes are applied by customers in advance, the code spraying machine can directly read the data from ERP for jet printing, the data can also be led into a mobile storage device (such as a U disk) in advance, and then the U disk is inserted into the code spraying machine for printing, so that offline and online jet printing is supported, and various application scenes of the users are facilitated.
The printed products can be processed in a configurable mode, some industries only care about storing printed data, the printing effect of individual products is not very concerned, some industries need to confirm the printing effect of the products, for example, bar codes/two-dimensional codes are printed on the surfaces of some products, the bar codes are guaranteed, the two-dimensional codes can be identified, visual detection is additionally added to the printed products at this time, the visual detection is connected with an ink-jet printer through a serial port or a network port, then the detected result is fed back to the ink-jet printer, and the ink-jet printer performs comparison processing.
If the code spraying machine detects that the printed data is not correct, the code can be sent again to print the wrong code. All data printed by the code spraying machine can be returned according to a specified format, and the storage and the query of a database are facilitated. An example of a data format for the backhaul is as follows:
PC:146|~T1:xx|~T2:dynamic |~C1:347|~D1:07.02.2020|~S1:shift2|~B1:347 16:43:29|~
PC: product counter, surface this is the first printed message.
T1 static plain text information edited by user through code-spraying machine software for code-spraying machine to print actually
T2 dynamic plain text data transmitted from remote network actually printed by ink jet printer
C1: counter for actual printing of ink-jet printer
D1: date actually printed by ink jet printer
S1: information of shift actually printed by ink-jet printer
B1: information content of bar code/two-dimensional code actually printed by ink-jet printer
The data can be stored in a tracing database of the background server, so that subsequent clients can perform screening query according to the keywords when tracing products, and the method is very convenient.
Referring to fig. 3, the present invention further provides a product identifier tracing system based on an inkjet printer, including:
the data configuration module 1 is used for acquiring initial identification data of identification information printed on the surfaces of products by an ink-jet printer and presetting a dynamic data format of the identification information continuously printed on the surfaces of different products;
the identification information processing module 2 is used for generating dynamic identification information according to the dynamic data format through the initial identification data and calling the dynamic identification information to print on the surfaces of different products;
the data sorting module 3 is used for sorting the dynamic identification information printed in the same batch according to the dynamic data format after the dynamic identification information is printed;
the later comparison module 4 is used for comparing the sorted dynamic identification information and judging whether the dynamic identification information has a repeat or dislocation condition;
the code complementing module 5 is used for performing code complementing operation on the missing dynamic identification information when the dynamic identification information has no repeated or staggered condition;
the data returning module 6 is used for returning all the dynamic identification information printed by the ink-jet printer according to the dynamic data format;
the data storage module 7 is used for storing the returned dynamic identification information by adopting a tracing database;
and the tracing module 8 is used for screening and querying the tracing database by adopting the keywords of the dynamic identification information on the surface of the product so as to trace the product corresponding to the dynamic identification information.
In an embodiment of the product identifier tracing system based on the inkjet printer, the method further includes:
and the visual detection module 9 is used for carrying out visual detection on the surface of the product after the spray printing is finished, comparing the visual detection result with the dynamic identification information of the spray printing to judge whether the spray printing has errors or not, and carrying out code supplementing operation through the code supplementing module 5 when the actual spray printing result of the visual detection is different from the dynamic identification information corresponding to the product.
In an embodiment of the product identifier tracing system based on the inkjet printer, the method further includes:
and the early warning module 10 is used for giving alarm information when the visual detection result is compared with the dynamic identification information of the jet printing to judge that the jet printing has errors, and removing wrong products according to the alarm information. And when the visual detection result is compared with the dynamic identification information of the jet printing to judge that the jet printing is correct, the printed dynamic identification information data is transmitted back to a tracing database or accessed to a position designated by a user through a data transmission back module.
In an embodiment of the product identifier tracing system based on the inkjet printer, the method further includes:
and the offline spray printing module 11 is configured to store the initial identification data and the dynamic data format of the identification information printed on the surface of the product by the inkjet printer by using the mobile storage device, and the inkjet printer calls the identification information from the mobile storage device to perform offline spray printing.
By adopting the technical scheme of the invention, a user inputs initial data information through the screen of the ink-jet printer, sets a dynamic data source (which can be from a network or can be read from a USB flash disk), and sets return transmission and visual detection. And if the data source is from the USB flash disk, inserting the USB flash disk into the ink-jet printer, and starting printing. And (3) carrying out photoelectric induction, starting jet printing on the identification information, and finishing all the data printed at this time by the jet printing machine according to a dynamic data format. And performing comparison processing on the sorted data to confirm that the dynamic data is not duplicated or misplaced. If the data verification fails, reprinting, i.e., a complement operation, may be performed. If the visual detection module 9 exists, the value extracted by the visual detection module 9 is read for data comparison, if the value is wrong, the complement operation can be carried out, alarm information is given, and a production line can carry out operations such as removing wrong products according to the information. If the comparison is not successful, the data printed by the information is transmitted back to a tracing database of the server or is accessed to a position designated by a user, and data is continuously fetched for circular printing until all data is printed.
The dynamic data format of identification information continuously printed on the surfaces of different products is preset, the dynamic identification information is generated according to the dynamic data format through the initial identification data, and the dynamic identification information is called to be printed on the surfaces of the different products; when the printing of the dynamic identification information is finished, sorting the dynamic identification information printed in the same batch according to a dynamic data format; comparing the sorted dynamic identification information, and judging whether the dynamic identification information has a repeated or staggered condition; when the dynamic identification information has no repetition or dislocation condition, the missing dynamic identification information is subjected to complement operation; returning all dynamic identification information printed by the ink-jet printer according to a dynamic data format, and storing the returned dynamic identification information by adopting a tracing database; and screening and inquiring the tracing database by adopting the keywords of the dynamic identification information on the surface of the product so as to trace the product corresponding to the dynamic identification information. And meanwhile, the visual detection can be carried out on the surface of the product after the jet printing is finished, the visual detection result and the dynamic identification information of the jet printing are compared to judge whether the jet printing has errors or not, and the code complementing operation is carried out when the actual jet printing result of the visual detection is different from the dynamic identification information corresponding to the product. The invention is based on the code spraying machine, has low cost and better industrial universality, and can be set according to different requirements; the printed information can be backed up to a local or server according to a specified format, so that the background data can be further stored and processed conveniently, wrong code printing can be reprinted, namely code supplement is carried out, and the method is particularly suitable for jet printing of electronic supervision codes.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The product identification tracing method based on the ink-jet printer is characterized by comprising the following steps:
acquiring initial identification data of identification information printed on the surfaces of products by an ink-jet printer, and presetting a dynamic data format of the identification information continuously printed on the surfaces of different products;
generating dynamic identification information according to the dynamic data format through the initial identification data, and calling the dynamic identification information to print on the surfaces of different products;
when the printing of the dynamic identification information is finished, sorting the dynamic identification information printed in the same batch according to the dynamic data format;
comparing the sorted dynamic identification information, and judging whether the dynamic identification information has a repeated or staggered condition;
when the dynamic identification information has no repetition or dislocation condition, the missing dynamic identification information is subjected to a complement operation;
returning all the dynamic identification information printed by the code spraying machine according to the dynamic data format, and storing the returned dynamic identification information by adopting a tracing database;
and screening and inquiring the tracing database by adopting the keywords of the dynamic identification information on the surface of the product so as to trace the product corresponding to the dynamic identification information.
2. The product identification tracing method based on the ink-jet printer is characterized by comprising the following steps:
acquiring initial identification data of identification information printed on the surfaces of products by an ink-jet printer, and presetting a dynamic data format of the identification information continuously printed on the surfaces of different products;
generating dynamic identification information according to the dynamic data format through the initial identification data, and calling the dynamic identification information to print on the surfaces of different products;
and carrying out visual detection on the surface of the product after spray printing is finished, comparing the visual detection result with the dynamic identification information of the spray printing to judge whether the spray printing has errors, and carrying out code complementing operation when the actual spray printing result of the visual detection is different from the dynamic identification information corresponding to the product.
3. The product identifier tracing method based on the inkjet printer as claimed in claim 2, wherein when the visual detection result is compared with the dynamic identification information of the inkjet print to determine that the inkjet print has an error, an alarm message is given, and the wrong product is removed according to the alarm message.
4. The method for tracing product identification based on inkjet printer according to claim 2, wherein when the visual inspection result is compared with the dynamic identification information of the jet printing to determine that the jet printing is correct, the printed dynamic identification information data is returned to the tracing database or accessed to the position designated by the user.
5. The method for tracing the product identification based on the inkjet printer according to claim 1 or 2, wherein the initial identification data and the dynamic data format of the identification information printed on the product surface by the inkjet printer are stored by using a mobile storage device, and the inkjet printer calls the identification information from the mobile storage device to perform offline inkjet printing.
6. Product identification system of traceing back based on ink jet numbering machine, its characterized in that includes:
the data configuration module is used for acquiring initial identification data of the identification information printed on the surfaces of the products by the ink-jet printer and presetting a dynamic data format of the identification information continuously printed on the surfaces of different products;
the identification information processing module is used for generating dynamic identification information according to the dynamic data format through the initial identification data and calling the dynamic identification information to print on the surfaces of different products;
the data sorting module is used for sorting the dynamic identification information printed in the same batch according to the dynamic data format when the dynamic identification information is printed;
the later comparison module is used for comparing the sorted dynamic identification information and judging whether the dynamic identification information has a repeated or staggered condition;
the code complementing module is used for complementing the missing dynamic identification information when the dynamic identification information has no repeated or staggered condition;
the data returning module is used for returning all the dynamic identification information printed by the ink-jet printer according to the dynamic data format;
the data storage module is used for storing the returned dynamic identification information by adopting a tracing database;
and the tracing module is used for screening and inquiring the tracing database by adopting the keywords of the dynamic identification information on the surface of the product so as to trace the product corresponding to the dynamic identification information.
7. The inkjet printer based product identifier traceability system of claim 6, further comprising:
and the visual detection module is used for carrying out visual detection on the surface of the product after the spray printing is finished, comparing the visual detection result with the dynamic identification information of the spray printing to judge whether the spray printing has errors or not, and carrying out code complementing operation through the code complementing module when the actual spray printing result of the visual detection is different from the dynamic identification information corresponding to the product.
8. The inkjet printer based product identifier traceability system of claim 7, further comprising:
and the early warning module is used for giving alarm information when the visual detection result is compared with the dynamic identification information of the jet printing to judge that the jet printing has errors, and rejecting wrong products according to the alarm information.
9. The system for tracing product identification based on inkjet printer according to claim 7, wherein when the visual inspection result is compared with the dynamic identification information of the inkjet printing to determine that the inkjet printing is correct, the data of the printed dynamic identification information is transmitted back to the tracing database or accessed to the user-specified location through the data transmission module.
10. The inkjet printer based product identifier traceability system of claim 7, further comprising:
and the off-line spray printing module is used for storing the initial identification data and the dynamic data format of the identification information printed on the surface of the product by the code spraying machine by adopting a mobile storage device, and the code spraying machine calls the identification information from the mobile storage device to carry out off-line printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010861372.9A CN111951030A (en) | 2020-08-25 | 2020-08-25 | Product identification tracing method and system based on ink-jet printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010861372.9A CN111951030A (en) | 2020-08-25 | 2020-08-25 | Product identification tracing method and system based on ink-jet printer |
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