CN108959989A - A kind of multi-tag reading device and its control method - Google Patents
A kind of multi-tag reading device and its control method Download PDFInfo
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- CN108959989A CN108959989A CN201710356914.5A CN201710356914A CN108959989A CN 108959989 A CN108959989 A CN 108959989A CN 201710356914 A CN201710356914 A CN 201710356914A CN 108959989 A CN108959989 A CN 108959989A
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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
- G06K7/10544—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
- G06K7/1093—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, after transfer of the image of the data-field to an intermediate store, e.g. storage with cathode ray tube
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Abstract
The invention discloses a kind of multi-tag reading device and its control method, the devices, comprising: for carrying the product platform deck of product to be measured, image acquisition device on product platform deck, and the controller being connect with image acquisition device electric signal；Wherein, image acquisition device is sent to controller for acquiring the image information of all labels on product to be measured, and by image information；Controller, for handling the image information received, to obtain the corresponding product information of each label.By the way that image acquisition device is arranged on product platform deck, the image information of all labels on product to be measured can be acquired, and controller can be handled the image information, to obtain the corresponding product information of each label, each label on product to be measured is carried out while being read to realize, the accuracy for improving the control of production line information reduces the pitch time of production-line technique production.
Description
Technical field
The present invention relates to the production technical field of display device, espespecially a kind of multi-tag reading device and its control method.
Background technique
Currently, being equipped with multiple labels at different location on a display panel in display panel (Panel) production process
(ID), it so as to the process flow of tracking display panel, prevents display panel from losing, is easily managed, and can obtain each
Product information in process flow.For example, PPID, Module ID, BLU ID or Panel ID etc., every kind of label (ID) are corresponding
Different functional requirements can be obtained for example, can obtain product turnout Customization demand by PPID by Module ID
Each middle parameter in mould group manufacturing process is obtained, product information relevant to backlight can be obtained by BLU ID, pass through Panel
ID can obtain the information in panel cutting action rear panel.
Label in the prior art is generally one-dimension code or two dimensional code, it is desirable to be read respectively using corresponding reader
Each ID on display panel is taken, for example, one-dimension code can be read using Barcode, two dimensional code is read using VCR, still, by
In the size of display panel, the installation site of reader is limited and the uncertainty of the position ID, can not read display surface simultaneously
The label of different location on plate, different code systems is unable to meet production the process requirements of the various ID of real time monitoring in line.
Therefore, how to read multiple labels of different location simultaneously is technical problem urgently to be solved.
Summary of the invention
The embodiment of the present invention provides a kind of multi-tag reading device and its control method, exists in the prior art to solve
The multiple labels that can not read different location simultaneously the problem of.
The embodiment of the invention provides a kind of multi-tag reading devices, comprising: for carrying the product platform deck of product to be measured,
Image acquisition device on the product platform deck, and the controller being connect with described image collector electric signal；Wherein,
Described image collector, for acquiring the image information of all labels on the product to be measured, and by described image
Information is sent to the controller；
The controller, it is corresponding to obtain each label for handling the described image information received
Product information.
In one possible implementation, described in above-mentioned multi-tag reading device provided in an embodiment of the present invention
Controller is also used to: control described image collector adjusts acquisition parameters.
In one possible implementation, it in above-mentioned multi-tag reading device provided in an embodiment of the present invention, also wraps
It includes: the display being connect with the controller electric signal；
The controller, for showing the corresponding product information of each label by the display.
The embodiment of the invention also provides a kind of control methods of above-mentioned multi-tag reading device, comprising:
Image acquisition device acquires the image information of all labels on product to be measured, and described image information is sent to control
Device；
The controller handles the described image information received, to obtain the corresponding product letter of each label
Breath.
In one possible implementation, in above-mentioned control method provided in an embodiment of the present invention, in described image
Collector acquires the image information of all labels on product to be measured, and before described image information is sent to controller, also wraps
It includes:
The controller control described image collector adjusts acquisition parameters.
In one possible implementation, in above-mentioned control method provided in an embodiment of the present invention, in the control
Device handles the described image information received, after obtaining the corresponding product information of each label, further includes:
The controller shows the corresponding product information of each label by display.
In one possible implementation, in above-mentioned control method provided in an embodiment of the present invention, the controller
The described image information received is handled, to obtain the corresponding product information of each label, comprising:
The controller determines the characteristic information of each label according to described image information；
The controller is decoded each label according to the characteristic information of each label, to obtain each mark
Sign corresponding product information.
In one possible implementation, in above-mentioned control method provided in an embodiment of the present invention, the label is
One-dimension code and/or two dimensional code；
The controller determines the characteristic information of each label according to described image information, comprising:
The controller determines the bar code spacing, bar code overall length and bar code of each one-dimension code according to described image information
Width；And/or
The controller determines that version information, number of modules and the module of each two dimensional code are wide according to described image information
Degree.
In one possible implementation, in above-mentioned control method provided in an embodiment of the present invention, described
Controller handles the described image information received, before obtaining the corresponding product information of each label, also wraps
It includes:
Position of the controller according to each label in described image information, determine each label it is described to
Survey the location information in product.
In one possible implementation, in above-mentioned control method provided in an embodiment of the present invention, the controller
The described image information received is handled, to obtain the corresponding product information of each label, comprising:
Location information of the controller according to each label in the product to be measured, determines image processing region；
The controller handles the image information in described image processing region, corresponding to obtain each label
Product information.
The present invention has the beneficial effect that:
The embodiment of the invention provides a kind of multi-tag reading device and its control method, the devices, comprising: for carrying
The product platform deck of product to be measured, the image acquisition device on product platform deck, and connect with image acquisition device electric signal
Controller；Wherein, image acquisition device is sent for acquiring the image information of all labels on product to be measured, and by image information
To controller；Controller, for handling the image information received, to obtain the corresponding product information of each label.It is logical
It crosses and image acquisition device is set on product platform deck, the image information of all labels on product to be measured can be acquired, and control
Device can be handled the image information, to obtain the corresponding product information of each label, to realize on product to be measured
Each label carry out simultaneously read, improve production line information control accuracy, reduce production-line technique produce beat
Time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multi-tag reading device provided in an embodiment of the present invention；
Fig. 2 is one of the flow chart of control method of multi-tag reading device provided in an embodiment of the present invention；
Fig. 3 is the two of the flow chart of the control method of multi-tag reading device provided in an embodiment of the present invention；
Wherein, 101, product platform deck；102, image acquisition device；103, controller；104, display；201, product to be measured；
202, label.
Specific embodiment
Aiming at the problem that the multiple labels existing in the prior art that can not read different location simultaneously, the embodiment of the present invention
Provide a kind of multi-tag reading device and its control method.
With reference to the accompanying drawing, to the specific implementation of multi-tag reading device provided in an embodiment of the present invention and its control method
Mode is described in detail.The size and shape of each structure does not reflect actual proportions in attached drawing, and purpose is schematically illustrate
Summary of the invention.
The embodiment of the invention provides a kind of multi-tag reading devices, as shown in Figure 1, comprising: for carrying product to be measured
201 product platform deck 101, the image acquisition device 102 on product platform deck 101, and with 102 electric signal of image acquisition device
The controller 103 of connection；Wherein,
Image acquisition device 102, for acquiring the image information of all labels 202 on product 201 to be measured, and by image information
It is sent to controller 103；
Controller 103, for handling the image information received, to obtain each label 202 corresponding product letter
Breath.
202 reading device of multi-tag provided in an embodiment of the present invention, by the way that Image Acquisition is arranged on product platform deck 101
Device 102 can acquire the image information of all labels 202 on product 201 to be measured, and controller 103 can believe the image
Breath is handled, to obtain the corresponding product information of each label 202, to realize to each label 202 on product 201 to be measured
It carries out while reading, improve the accuracy of production line information control, reduce the pitch time of production-line technique production.
202 reading device of above-mentioned multi-tag provided in an embodiment of the present invention, can be applied to the manufacture craft of display panel
In, i.e., above-mentioned product to be measured 201 can be display panel, and in practical applications, above-mentioned 202 reading device of multi-tag can also answer
For other field, herein without limitation.The corresponding product information of each label 202 may include: the demand of user, mould group technique
In various parameters or various parameters relevant to backlight, be also possible to the other information about product, herein no longer one by one
It illustrates.
Referring to Fig.1, above-mentioned image acquisition device 102 is located on product platform deck 101, in this way, image acquisition device 102 can be clapped
Take the photograph the image for the product to be measured 201 being located in product platform deck 101, in practical applications, adjustable image acquisition device 102
Field angle was being shot so that all labels 202 on product to be measured 201 are located in the visual field scope of image acquisition device 102
Cheng Zhong, image acquisition device 102 can directly shoot entire product 201 to be measured, in this way after adjusting field angle, so that it may shoot
A batch product 201 to be measured of same size, reduces the number of adjustment field angle, can also only shoot the institute on product 201 to be measured
There is label 202, invalid information (not being the image of label 202) is less in the image information obtained in this way, can be improved subsequent
The image processing speed of controller 103, reduce 202 read access time of label, herein not to the style of shooting of image acquisition device 102 into
Row limits, as long as in obtained image information including all labels 202.
In the actual production process, product platform deck 101 can be mobile with production line, and therefore, product platform deck 101 is not necessarily
Positioned at the underface of image acquisition device 102, stopping when can control underface of the product platform deck 101 by image acquisition device 102,
Stay for some time (such as 1s) after image acquisition device 102 shooting after the completion of be further continued for moving.
Referring again to Fig. 1, the label 202 on product 201 to be measured can be the label 202 of various code systems, such as one-dimension code
Or two dimensional code etc., image acquisition device 102 by collector to product to be measured 201 on the image informations of all labels 202 be sent to
Controller 103 specifically can send the image information by wired or wireless mode, herein without limitation.Controller 103 can
To handle the image information, since the image information contains all labels 202, can obtain simultaneously to
Survey the product information on product 201 on all labels 202, compared with the prior art in using different readers to label
202 are read out respectively, substantially reduce 202 read access time of label, in addition, reading mark respectively using reader in the prior art
Label 202, need that fixed position for label 202 is arranged in, and in the embodiment of the present invention, since image acquisition device 102 can be clapped
All labels 202 on product 201 to be measured are taken the photograph, therefore, label 202 can be arranged in any position on product 201 to be measured
It sets, therefore, 202 reading device of multi-tag provided in an embodiment of the present invention realizes more marks of different location on product 201 to be measured
Reading while signing 202 improves the accuracy of production line information control, reduces the pitch time of production-line technique production.
Above-mentioned image acquisition device 102 can be common facial diagnosis camera, be also possible to Charged Couple (Charge-coupled
Device, CCD) camera, the type of image acquisition device 102 is not defined herein.Above controller 103 can be mobile phone,
The device having data processing function such as computer or server, is not defined the specific implementation of controller 103 herein.
Further, in 202 reading device of above-mentioned multi-tag provided in an embodiment of the present invention, controller 103 can also be used
In: control image acquisition device 102 adjusts acquisition parameters.
Image acquisition device 102 is controlled by controller 103 and adjusts acquisition parameters, and image acquisition device 102 can be made to take
Image in each label 202 and product 201 to be measured contrast it is obvious, make subsequent controllers 103 be easier to read each mark
The product information of label 202.Wherein, above-mentioned acquisition parameters can be the focal length of image acquisition device 102, field angle, light exposure or
The parameters such as aperture.In addition, controller 103 can also adjust the various references of image information after receiving image information, with
The contrast for enhancing each label 202 and product 201 to be measured, improves the subsequent efficiency handled image information.
Further, in 202 reading device of above-mentioned multi-tag provided in an embodiment of the present invention, as shown in Figure 1, can be with
It include: the display 104 being connect with 103 electric signal of controller；
Controller 103 can be used for showing the corresponding product information of each label 202 by display 104.
By the way that display 104 is arranged, the corresponding product information of each label 202 can be passed through display 104 by controller 103
It is shown, so that the engineer in technical process obtains the product information in each stage, the working efficiency of engineer can be improved.
Based on the same inventive concept, the embodiment of the invention also provides a kind of control methods of above-mentioned apparatus, due to the control
The principle that method processed solves the problems, such as is similar to above-mentioned apparatus, therefore the implementation of the control method may refer to the reality of above-mentioned apparatus
It applies, overlaps will not be repeated.
The embodiment of the invention also provides a kind of control methods of above-mentioned multi-tag reading device, as shown in Figure 2, comprising:
S301, image acquisition device acquire the image information of all labels on product to be measured, and image information is sent to control
Device processed；
S302, controller handle the image information received, to obtain the corresponding product information of each label.
In above-mentioned steps S301, image acquisition device by collector to product to be measured on all labels image information send
To controller, specifically the image information can be sent by wired or wireless mode, herein without limitation.In step S302,
Controller can be handled the image information, since the image information contains all labels, can obtain simultaneously
Product information on to product to be measured on all labels, compared with the prior art in using different readers to label distinguish
Be read out, substantially reduce tag reading time, in addition, read label respectively using reader in the prior art, need by
Fixed position is arranged in label, and in the embodiment of the present invention, the institute on product to be measured can be taken by image acquisition device
There is label, therefore, label can be arranged in any position on product to be measured, therefore, more marks provided in an embodiment of the present invention
Reading device is signed, reading while realizing the multi-tag of different location on product to be measured improves the control of production line information
Accuracy reduces the pitch time of production-line technique production.
Further, in above-mentioned control method provided in an embodiment of the present invention, referring again to Fig. 2, in above-mentioned steps S301
Before, can also include:
S300, controller control image acquisition device adjust acquisition parameters.
It is each in the image that image acquisition device can be made to take by controller control image acquisition device adjustment acquisition parameters
The contrast of label and product to be measured is obvious, and subsequent controllers is made to be easier to read the product information of each label.Wherein, on
Stating acquisition parameters can be the parameters such as focal length, field angle, light exposure or the aperture of image acquisition device.In addition, controller may be used also
After receiving image information, to adjust the various references of image information, to enhance the contrast of each label Yu product to be measured,
Improve the subsequent efficiency handled image information.
Referring again to Fig. 2, in above-mentioned control method provided in an embodiment of the present invention, after above-mentioned steps S302, may be used also
To include:
S303, controller show the corresponding product information of each label by display.
Controller shows the corresponding product information of each label by display, so as to the engineer in technical process
The working efficiency of engineer can be improved in the product information for obtaining each stage.
Specifically, in above-mentioned control method provided in an embodiment of the present invention, as shown in figure 3, above-mentioned steps S302, can wrap
It includes:
S3021, controller determine the characteristic information of each label according to image information；
S3022, controller are decoded each label according to the characteristic information of each label, to obtain the corresponding production of each label
Product information.
In above-mentioned steps S3021, since the gray scale of each label and product to be measured has certain difference, Ke Yigen
According to the gray scale difference of each label and product to be measured, believed using the feature that image processing algorithm (such as edge algorithms) obtains each label
Breath.In step S3022, controller can be decoded each label according to the characteristic information of each label, can in decoding process
To be decoded simultaneously to all labels, can also be decoded respectively, it is herein without limitation, preferably same to all labels
When decode, it is shorter to calculate processing time for using in this way.
More specifically, label can be one-dimension code and/or two dimension in above-mentioned control method provided in an embodiment of the present invention
Code；
Above-mentioned steps S3021 may include:
Controller determines the bar code spacing, bar code overall length and bar width of each one-dimension code according to image information；And/or
Controller determines version information, number of modules and the module width of each two dimensional code according to image information.
In practical applications, the label of a variety of code systems may be equipped on product to be measured, according to different requirements, same
On product to be measured may all labels be all one-dimension code or two dimensional code, it is also possible to both include one-dimension code or including two dimensional code.It is different
The label of code system has different characteristics information, for one-dimension code, it is thus necessary to determine that bar code spacing, bar code overall length and bar width
Equal characteristic informations, for two dimensional code, it is thus necessary to determine that the characteristic informations such as version information, number of modules and module width, specific real
Shi Shi can extract the characteristic information of label using the image processing softwares such as Halcon, obtain one-dimension code and/or two dimensional code
After characteristic information, it can be obtained respectively by automatic optics inspection (Automatic Optic Inspection, AOI) decoding algorithm
The corresponding product information of label can also be decoded each label using the decoding algorithm corresponding to different code systems respectively.
In the specific implementation, in above-mentioned control method provided in an embodiment of the present invention, before above-mentioned steps S302, may be used also
To include:
Position of the controller according to each label in image information determines location information of each label in product to be measured.
Due to position of each label on product to be measured be it is fixed, after image acquisition device shoots product to be measured, production to be measured
The each label being arranged on product can be shown in the photosensitive element fixed pixel in image acquisition device, and controller is receiving image
After information, it can be passed through according to the corresponding relationship of pixel and physical location according to position of each label in image information
Conversion obtains position of each label in product to be measured.
Further, in above-mentioned control method provided in an embodiment of the present invention, above-mentioned steps S302 may include:
Location information of the controller according to each label in product to be measured, determines image processing region；
Controller handles the image information in image processing region, to obtain the corresponding product information of each label.
If it is known that location information of each label in product to be measured, before handling image information, Ke Yixian
It determines image processing region, all labels is contained in the image processing region, it therefore, only need to be in image processing region
Image information is handled, without that in the specific implementation, can pass through RADA (Register to whole Image Information Processing
Active Display Area) function determines image processing region, can reduce the time of image procossing in this way, improve more marks
Sign the speed read.
For location information of each label in product to be measured, can analyze to obtain by controller, it can also basis
The rule of putting of label obtains on each product to be measured.
Multi-tag reading device provided in an embodiment of the present invention and its control method are schemed by being arranged on product platform deck
As collector, the image information of all labels on product to be measured can be acquired, and controller can carry out the image information
Processing, to obtain the corresponding product information of each label.Since the image information contains all labels, it can be simultaneously
Obtain the product information on product to be measured on all labels, compared with the prior art in using different readers to label point
It is not read out, substantially reduces tag reading time, in addition, reading label respectively using reader in the prior art, need
Label is arranged in fixed position, and in the embodiment of the present invention, since image acquisition device can take on product to be measured
Therefore any position on product to be measured can be arranged in label by all labels, therefore, provided in an embodiment of the present invention more
Tag reader, reading while realizing the multi-tag of different location on product to be measured improve the control of production line information
Accuracy, reduce production-line technique production pitch time.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of multi-tag reading device characterized by comprising for carrying the product platform deck of product to be measured, be located at described
Image acquisition device on product platform deck, and the controller being connect with described image collector electric signal；Wherein,
Described image collector, for acquiring the image information of all labels on the product to be measured, and by described image information
It is sent to the controller；
The controller, for handling the described image information received, to obtain the corresponding product of each label
Information.
2. device as described in claim 1, which is characterized in that the controller is also used to: control described image collector tune
Whole acquisition parameters.
3. device as claimed in claim 1 or 2, which is characterized in that further include: the display being connect with the controller electric signal
Device；
The controller, for showing the corresponding product information of each label by the display.
4. a kind of control method of multi-tag reading device as described in any one of claims 1-3 characterized by comprising
Image acquisition device acquires the image information of all labels on product to be measured, and described image information is sent to controller；
The controller handles the described image information received, to obtain the corresponding product information of each label.
5. control method as claimed in claim 4, which is characterized in that acquire on product to be measured and own in described image collector
The image information of label, and described image information is sent to before controller, further includes:
The controller control described image collector adjusts acquisition parameters.
6. control method as claimed in claim 4, which is characterized in that in the controller to the described image information received
It is handled, after obtaining the corresponding product information of each label, further includes:
The controller shows the corresponding product information of each label by display.
7. control method as claimed in claim 4, which is characterized in that the controller to the described image information received into
Row processing, to obtain the corresponding product information of each label, comprising:
The controller determines the characteristic information of each label according to described image information；
The controller is decoded each label according to the characteristic information of each label, to obtain each label pair
The product information answered.
8. control method as claimed in claim 7, which is characterized in that the label is one-dimension code and/or two dimensional code；
The controller determines the characteristic information of each label according to described image information, comprising:
The controller determines that the bar code spacing, bar code overall length and bar code of each one-dimension code are wide according to described image information
Degree；And/or
The controller determines version information, number of modules and the module width of each two dimensional code according to described image information.
9. control method as claimed in claim 4, which is characterized in that in the controller to the described image received
Information is handled, before obtaining the corresponding product information of each label, further includes:
Position of the controller according to each label in described image information determines each label in the production to be measured
Location information in product.
10. control method as claimed in claim 9, which is characterized in that the controller is to the described image information received
It is handled, to obtain the corresponding product information of each label, comprising:
Location information of the controller according to each label in the product to be measured, determines image processing region；
The controller handles the image information in described image processing region, to obtain the corresponding production of each label
Product information.
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| CN203673504U (en) * | 2013-12-19 | 2014-06-25 | 青岛金弘测控技术发展有限公司 | Electronic device capable of identifying multiple types of tags |
| CN104298953A (en) * | 2014-10-27 | 2015-01-21 | 苏州睿新捷信息科技有限公司 | Method and system for recognizing barcodes in batches |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202171812U (en) * | 2011-07-05 | 2012-03-21 | 北京爱创科技股份有限公司 | Bar code identification device |
| CN202632312U (en) * | 2012-03-07 | 2012-12-26 | 河南李烨包装科技有限公司 | System based on image identification technology to collecting and processing bar code information at the same time |
| CN203673504U (en) * | 2013-12-19 | 2014-06-25 | 青岛金弘测控技术发展有限公司 | Electronic device capable of identifying multiple types of tags |
| CN104298953A (en) * | 2014-10-27 | 2015-01-21 | 苏州睿新捷信息科技有限公司 | Method and system for recognizing barcodes in batches |
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