CN108241884A - A kind of composite bar code and its recognizing apparatus - Google Patents
A kind of composite bar code and its recognizing apparatus Download PDFInfo
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- CN108241884A CN108241884A CN201611214670.9A CN201611214670A CN108241884A CN 108241884 A CN108241884 A CN 108241884A CN 201611214670 A CN201611214670 A CN 201611214670A CN 108241884 A CN108241884 A CN 108241884A
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- bar code
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06046—Constructional details
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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
- G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms
-
- 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
- G06K7/10841—Particularities of the light-sensitive elements
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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
- G06K7/10881—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 constructional details of hand-held scanners
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2207/00—Other aspects
- G06K2207/1011—Aiming
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- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Factory Administration (AREA)
Abstract
A kind of composite bar code includes one-dimensional bar code pedestal, two-dimentional recombination region and two-dimensional bar.The Quick Response Code of one two-dimentional recombination region printing infrared ink printing is set among one-dimensional bar code.Both one-dimensional bar code original function had been kept to nor affect on the function of one-dimensional bar code, has also increased the sightless two-dimensional bar of human eye and is distinguished for machine, improve safety, also extend application.A kind of recognizing apparatus of composite bar code comprising first and second trigger source, respectively generates corresponding interrupt.Central processing unit starts corresponding bar code recognition module, there is different illuminations and sighting system to be adapted different types of bar code and the bar code of different printing material, user and equipment is facilitated to identify bar code according to the interruption received.When the recognition module work of a certain bar code, it is only necessary to trial is decoded from the partial decoding of h library of bar code decoding processing module, decoding number of attempt is reduced, improves decoding efficiency.
Description
Technical field
The present invention relates to a kind of particular bar codes, relate in particular to a kind of composite bar code and its recognizing apparatus.
Background technology
Bar code includes one-dimensional bar code and two-dimensional bar, due to its easy error correction, can carry that information capacity is big, is fabricated to
This cheap advantage is commonly employed in automatic identification fields such as industrial flow control, warehouse logistics and postal managements.
In these process management, by quickly successfully identifying bar code, improving working efficiency has major and immediate significance.One-dimensional barcode
The making an inventory and tracing commonly used in commodity of code and Quick Response Code, one-dimension code is since data-carrying capacity is limited, usually as price data
Carrier and product type carrier.It possesses the advantage of relativity of information bigger to Quick Response Code, can be used as production, transportational process
The record carrier of middle flow.This two kinds of symbols are usually existed simultaneously in the packaging of commodity.
In the prior art in current bar code in use, one-dimension code and Quick Response Code are still compared with the bar code of mainstream, they
Use it is each has something to recommend him, and with mutual irreplaceability, all can and be deposited within long period of time.Such as commodity user
Occupation mode, when user only needs to identify the essential information of commodity, during such as title, price, one-dimension code recognition side can be selected
Formula, if user need more detailed information as proprietary concentrate, size, application notice, trace to the source, Application in Anti-counterfeiting when
It waits, it is necessary to select two dimension code reading mode.And some Package sizes is smaller, if necessary to print Quick Response Code and one-dimensional simultaneously
Code, it is inadequate to be likely to result in space, and anti-fake when special applications scene, the naked eyes of Quick Response Code are used in particular for by Quick Response Code
Invisible, invisible duplication may need producer's emphasis to consider.
Invention content
For this purpose, the technical problems to be solved by the invention are that one-dimensional bar code in the prior art and two-dimensional bar coexist
Larger printing space is needed, while Quick Response Code causes safety not high due to reproducibility.
In order to solve the above technical problems, the used technical solution of the present invention：
A kind of composite bar code, comprising：
One-dimensional bar code pedestal, the one-dimensional bar code of carrying information, using the common colour developing ink printing of non-black；
Two-dimentional recombination region, at the center of the one-dimensional bar code pedestal, setting width is small to be equal to the one-dimensional bar code base
The region of seat；
Two-dimensional bar is printed on the two-dimentional recombination region using infrared ink.
A kind of composite bar code according to claim 1, which is characterized in that the one-dimensional bar code pedestal it is one-dimensional
Bar code is EAN bar codes.
A kind of composite bar code according to claim 1 or 2, which is characterized in that the two-dimensional bar is QR codes.
A kind of recognizing apparatus of composite bar code, comprising with lower module：
First trigger source generates first and interrupts, and central processing unit receives first and interrupts, order the first bar code recognition mould
Group performs bar code recognition decoding task；
Second trigger source generates second and interrupts, and central processing unit receives second and interrupts, order the second bar code recognition mould
Group performs bar code recognition decoding task；
Central processing unit receives the interruption that the first trigger source or the second trigger source are sent, and is opened according to interrupt notification
Corresponding bar code distinguishes module；
First bar code distinguishes module, comprising：Spherical surface camera lens immediately ahead of module casing center is set after camera lens
Optical filter, the infrared cmos image sensor uprightly set after optical filter, the first lighting system, the first sighting system；
Second bar code distinguishes module, comprising：Strip camera lens immediately ahead of module casing center, the setting of camera lens rear
Strip ccd image sensor, the second lighting system, the second sighting system；
Bar code decoding Coordination module, when the first bar code recognition module performs bar code recognition decoding task, access
The interface in the first decoding library of bar code decoding processing module；Appoint when the second bar code recognition module performs bar code recognition decoding
During business, the interface in the second decoding library of access bar code decoding processing module；
Bar code decoding processing module comprising central computation unit and decoding algorithm memory module, has the first decoding library
With the second decoding library, there is corresponding routine interface to be led with corresponding bar code recognition module for the first decoding library and the second decoding library
It is logical.
First lighting system uses distributed lighting, and the first sighting system forms red ten on the bar code surface aimed at
Font visible laser hot spot.
Using centralized rectangular illumination, the second sighting system forms green second lighting system on the bar code surface aimed at
The strip light spots of color.
The bar code recognition module is also comprising recognition feedback indicating mode, when the first bar code distinguishes module or Article 2
After shape code recognition module bar code recognition successfully decoded, the visible ray for being different from the first sighting system and the second sighting system is generated
Spot.
The slot for placing optical filter is provided in the first bar code recognition module casing.
The above technical solution of the present invention has the following advantages over the prior art:
1. a kind of composite bar code includes one-dimensional bar code pedestal, two-dimentional recombination region and two-dimensional bar.One-dimensional bar code
Pedestal keeps original one-dimensional bar code function, and a two-dimentional recombination region printing IR ink watermark is set among one-dimensional bar code
The Quick Response Code of system.Both one-dimensional bar code original function had been kept to nor affect on the function of one-dimensional bar code, also increasing people's naked eyes can not
The two-dimensional bar seen is distinguished for machine, is improved the safety of two-dimensional bar printed matter, is also extended one-dimensional bar code
Using.
2. a kind of recognizing apparatus of composite bar code comprising the first trigger source and the second trigger source, respectively generates corresponding
It interrupts.Central processing unit starts corresponding bar code recognition module, different bar codes recognition mould according to the interruption received
Group is adapted different types of bar code and the bar code of different printing material with different illuminations and sighting system, facilitates use
Family and equipment identification bar code.When the recognition module work of a certain bar code, bar code decoding Coordination module access bar code solution
The code corresponding routine interface of processing module, it is only necessary to be decoded and taste from the partial decoding of h library of bar code decoding processing module
Examination reduces decoding number of attempt, shortens decoding time, improves decoding efficiency.
3. a kind of recognizing apparatus of composite bar code, the first lighting system uses distributed lighting, facilitates imaging sensor
To the illumination light filling of rectangle two-dimensional bar, the convenient aiming to rectangle two-dimensional bar of cross spot.
4. a kind of recognizing apparatus of composite bar code, the second light illumination mode facilitates image to pass using centralized matrix lighting
Sensor is to the illumination light filling of strip one-dimensional bar code.Shaped laser spot is also more suitable for the aiming of one-dimensional barcode.
5. a kind of recognizing apparatus of composite bar code after bar code decoding success, projects on bar code surface and generates area
It is intuitive to prompt the success of user's bar code decoding not in the visible light spot of first and second sighting system.
6. a kind of recognizing apparatus of composite bar code, optical filter is alternatively arranged on the first bar code recognition module casing
It is interior, it can identify the bar code image of different wave length.
Description of the drawings
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein,
Fig. 1 is a kind of structure diagram of composite bar code of the present invention；
Fig. 2 is a kind of system block diagram of the recognizing apparatus of composite bar code of the present invention；
Fig. 3 is a kind of a kind of surface structure schematic diagram of the recognizing apparatus of composite bar code of the present invention；
Fig. 4 is the structure diagram that a kind of first bar code of the recognizing apparatus of composite bar code of the present invention distinguishes module；
Fig. 5 is a kind of another surface structure schematic diagram of the recognizing apparatus of composite bar code of the present invention；
Fig. 6 is the structure diagram that a kind of second bar code of the recognizing apparatus of composite bar code of the present invention distinguishes module；
Fig. 7 is showing for the finder lens that a kind of first bar code of the recognizing apparatus of composite bar code of the present invention distinguishes module
It is intended to.
Reference numeral：A- one-dimensional bar code pedestals；B- two dimensions recombination region；C- two-dimensional bars；The first trigger sources of 1-；2-
Two trigger sources；3- central processing unit；The first bar codes of 11- distinguish module；111- spherical surface camera lenses；The first lighting systems of 112-；
The first sighting systems of 113-；The second bar codes of 21- distinguish module；211- strip camera lenses；The second lighting systems of 212-；213- second
Sighting system；5- bar code decoding Coordination modules；6- bar code decoding processing modules.
Specific embodiment
A kind of composite bar code, as shown in Figure 1, comprising：
One-dimensional bar code pedestal A, the one-dimensional bar code of carrying information, using the common colour developing ink printing of non-black.Make
The reason of with non-black ink is that black can not be reflective, if using black ink, when the two-dimensional bar of infrared ink prints
After, the reflection of two-dimensional bar light will be influenced.
Two-dimentional recombination region B, at the center of the one-dimensional bar code pedestal, setting width is small to be equal to the one-dimensional bar code base
The region of seat mainly facilitates user to aim at positioning.
Two-dimensional bar C is printed on the two-dimentional recombination region using infrared ink.Naked eyes are invisible in this way, can reduce
The risk being replicated.
The one-dimensional bar code of the one-dimensional bar code pedestal is EAN bar codes.EAN codes are may also be, one can be arbitrary
Tie up bar code.
The two-dimensional bar is QR codes.Two-dimensional bar can also be arbitrary.As long as the decoding algorithm of scanning device
Support, and be not particularly limited.
A kind of composite bar code includes one-dimensional bar code pedestal A, two dimension recombination region B and two-dimensional bar C.One-dimensional barcode
Code pedestal keeps original one-dimensional bar code function, and a two-dimentional recombination region printing infrared ink is set among one-dimensional bar code
The Quick Response Code of printing.Both one-dimensional bar code original function had been kept to nor affect on the function of one-dimensional bar code, has also increased people's naked eyes not
Visible two-dimensional bar is distinguished for machine, is improved the safety of two-dimensional bar printed matter, is also extended one-dimensional bar code
Application.
A kind of recognizing apparatus of composite bar code, as shown in Figure 2,3, comprising with lower module：
First trigger source 1 generates first and interrupts, and central processing unit receives first and interrupts, order the first bar code recognition
Module performs bar code recognition decoding task.
Second trigger source 2 generates second and interrupts, and central processing unit receives second and interrupts, order the second bar code recognition
Module performs bar code recognition decoding task.
Hardware interrupts are an asynchronous signals, are demonstrated the need for note that or needing to change in one synchronous event of execution.Hardware
Interruption is a kind of mode for the quality time that waste processor is avoided in terms of polling loop, waiting external event.As one
Independent has control line system.Hardware interrupts in the present invention are external interrupts.2 conduct of first trigger source 1 and the second trigger source
One hardware switch, can be set respectively, can also be integrated in a switch (trigger of such as barcode scanner), such as Fig. 5
It is shown, after wherein bar code recognition module 4 is arranged on protective glass, do not show.
Central processing unit 3 receives the interruption that the first trigger source or the second trigger source are sent, and is opened according to interrupt notification
Corresponding bar code distinguishes module.In hardware interrupts, central processing unit can be with auto-steering interrupt handling routine, compared to software
It interrupts, improves execution efficiency.
First bar code distinguishes module 11, comprising：Spherical surface camera lens 111 immediately ahead of module casing center, after camera lens
The optical filter of setting, the infrared cmos image sensor uprightly set after optical filter, the first lighting system 112, first aims at system
System 113.As shown in Figure 4.Comprising：Spherical surface camera lens 41 immediately ahead of module casing center, due to bar code recognition environment not
As the use environment of the digital products such as mobile phone, here preferably using glass lens, high temperature resistant, humidity.It is set after camera lens
The reason of optical filter, setting optical filter, is, as existing CMOS is continued to develop, pixel and the number of colors supported are continuously improved,
Bar code decoding is as a kind of commercial Application, it is desirable that the higher black and white of image sharpness, contrast or certain special color
Color bar code image, so needing to filter out the light of other unnecessary wavelengths.The infrared cmos image uprightly set after optical filter
Sensor.Lighting system has more infrared LEDs.Since with the raising of producer and the sense of security of users, future is certain
Anti-fake or secrecy application scenario, Quick Response Code may be used the sightless infrared ink of human eye and be printed upon some position.User
The range in known Quick Response Code that may be present is only needed to be aimed at, decode and can obtain information needed.It is therefore desirable to
It is used using infrared CMOS and infrared LED cooperation image.
Second bar code distinguishes module 21, comprising：Strip camera lens 211 immediately ahead of module casing center, after camera lens
The strip ccd image sensor just set, the second lighting system 212, the second sighting system 213.As shown in Figure 5.Strip camera lens
Strip one-dimensional bar code can be better adapted to, is particularly using strip ccd image, it will not be as traditional spherical camera lens
Pattern distortion can be caused, influences the decoding of bar code decoding processing module.
Bar code decoding Coordination module 5, when the first bar code recognition module performs bar code recognition decoding task, access
The interface in the first decoding library of bar code decoding processing module；Appoint when the second bar code recognition module performs bar code recognition decoding
During business, the interface in the second decoding library of access bar code decoding processing module.Signal coordinating mould of the prior art may be used
Block.
Bar code decoding processing module is matched comprising central computation unit and decoding algorithm memory module, such as CPU or MCU
It closes RAM, ROM and bar code decoding is carried out with the first decoding library and the second decoding library, the first decoding library by software decoding algorithm
There is corresponding interface and the recognition module conducting of corresponding bar code with the second decoding library.
A kind of recognizing apparatus of composite bar code, comprising the first trigger source and the second trigger source, during respective generation is corresponding
It is disconnected.Central processing unit starts corresponding bar code recognition module, different bar codes recognition module according to the interruption received
Different types of bar code and the bar code of different printing material are adapted with different illuminations and sighting system, facilitates user
Bar code is identified with equipment.When the recognition module work of a certain bar code, bar code decoding Coordination module access bar code decoding
The corresponding routine interface of processing module, it is only necessary to trial is decoded from the partial decoding of h library of bar code decoding processing module,
Decoding number of attempt is reduced, shortens decoding time, improves decoding efficiency.
First lighting system 112 uses distributed lighting, and the first sighting system forms red on the bar code surface aimed at
The cross visible laser hot spot of color.The convenient aiming to rectangle two-dimensional bar of cross spot.The aiming of first sighting system
Diffraction eyeglass may be used in lens, by red laser diode 2 by forming red ten by finder lens after collimation lens
Font hot spot.As shown in fig. 7, mirror body is transparent, mirror body one side is in smooth；Another side is divided into upper and lower two points with a pair of of linea angulata
Area, A areas and B areas；Wherein：
A areas are divided into six impartial regions of height from top to bottom, and first region is twill face, Two Areas is light
Sliding surface, remaining region are repeated in arranging with this sequence twill face, shiny surface；
B areas are divided into six regions of width equalization from left to right, and first region is shiny surface, Two Areas is oblique
Line face, remaining region are repeated in arranging with this sequence shiny surface, twill face.
Second lighting system 212 is using centralized rectangular illumination, and the second sighting system is in the bar code surface shape aimed at
Into the strip light spots of green.Facilitate the aiming of strip one-dimensional bar code.The lens for generating green strip visible light spot are a column
Shape acrylic or glass lens.
A kind of recognizing apparatus of composite bar code is also comprising recognition feedback indicating mode, when the first bar code distinguishes mould
After group or the second bar code recognition module bar code recognition successfully decoded, generation is different from the first sighting system and second and aims at system
The visible light spot of system.It can be one round lens of setting and a light source beside first, second bar code recognition module, project
Generate a dot.Either with figuratum diffraction lens, generate with figuratum hot spot, such as producer logo.Also such as
" OK " printed words etc..Intuitive prompting user bar code decoding success.
The slot for placing optical filter is provided in the first bar code recognition module casing.User is facilitated to be made according to difference
It is replaced with optical wavelength.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among changing still in the protection domain of the invention.
Claims (8)
1. a kind of composite bar code, which is characterized in that include：
One-dimensional bar code pedestal, the one-dimensional bar code of carrying information, using the common colour developing ink printing of non-black；
Two-dimentional recombination region at the center of the one-dimensional bar code pedestal, sets width small equal to the one-dimensional bar code pedestal
Region；
Two-dimensional bar is printed on the two-dimentional recombination region using infrared ink.
A kind of 2. composite bar code according to claim 1, which is characterized in that the one-dimensional item of the one-dimensional bar code pedestal
Shape code is EAN bar codes.
3. a kind of composite bar code according to claim 1 or 2, which is characterized in that the two-dimensional bar is QR codes.
4. a kind of equipment for distinguishing composite bar code as claimed in claim 3, which is characterized in that include：
First trigger source generates first and interrupts, and central processing unit receives first and interrupts, and order the first bar code recognition module is held
Row bar code distinguishes decoding task；
Second trigger source generates second and interrupts, and central processing unit receives second and interrupts, and order the second bar code recognition module is held
Row bar code distinguishes decoding task；
Central processing unit receives the interruption that the first trigger source or the second trigger source are sent, and is opened and corresponded to according to interrupt notification
Bar code recognition module；
First bar code distinguishes module, comprising：Spherical surface camera lens immediately ahead of module casing center, the optical filtering set after camera lens
Piece, the infrared cmos image sensor uprightly set after optical filter, the first lighting system, the first sighting system；
Second bar code distinguishes module, comprising：Strip camera lens immediately ahead of module casing center, the item of camera lens rear setting
Shape ccd image sensor, the second lighting system, the second sighting system；
Bar code decoding Coordination module when the first bar code recognition module performs bar code recognition decoding task, accesses bar shaped
The interface in the first decoding library of code decoding process module；When the second bar code recognition module performs bar code recognition decoding task
When, the interface in the second decoding library of access bar code decoding processing module；
Bar code decoding processing module comprising central computation unit and decoding algorithm memory module, has the first decoding library and the
Two decoding libraries, the first decoding library and the second decoding library have corresponding routine interface and the recognition module conducting of corresponding bar code.
5. the recognizing apparatus of a kind of composite bar code according to claim 4, which is characterized in that the first lighting system uses
Centralization illumination, the first sighting system form red cross visible laser hot spot on the bar code surface aimed at.
A kind of 6. recognizing apparatus of composite bar code according to claim 4 or 5, which is characterized in that the second lighting system
Using centralized rectangular illumination, the second sighting system forms the strip light spots of green on the bar code surface aimed at.
7. according to a kind of recognizing apparatus of any composite bar codes of claim 4-6, which is characterized in that also comprising recognition
Indicating mode is fed back, after the first bar code distinguishes module or the second bar code recognition module bar code recognition successfully decoded, production
The raw visible light spot for being different from the first sighting system and the second sighting system.
A kind of 8. recognizing apparatus of composite bar code described according to claim 6 or 7, which is characterized in that first bar shaped
The slot for placing optical filter is provided in code recognition module casing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611214670.9A CN108241884A (en) | 2016-12-26 | 2016-12-26 | A kind of composite bar code and its recognizing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611214670.9A CN108241884A (en) | 2016-12-26 | 2016-12-26 | A kind of composite bar code and its recognizing apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830171A (en) * | 2018-12-11 | 2019-05-31 | 杭州中粮包装有限公司 | It is a kind of mark and preparation method thereof, reading method |
| CN112884101A (en) * | 2019-11-29 | 2021-06-01 | 阿里健康信息技术有限公司 | Graphic code, graphic code encoding method and graphic code decoding method |
| CN113283561A (en) * | 2020-02-20 | 2021-08-20 | 阿里健康信息技术有限公司 | Graphic code, and method and equipment for generating and identifying graphic code |
-
2016
- 2016-12-26 CN CN201611214670.9A patent/CN108241884A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830171A (en) * | 2018-12-11 | 2019-05-31 | 杭州中粮包装有限公司 | It is a kind of mark and preparation method thereof, reading method |
| CN112884101A (en) * | 2019-11-29 | 2021-06-01 | 阿里健康信息技术有限公司 | Graphic code, graphic code encoding method and graphic code decoding method |
| CN113283561A (en) * | 2020-02-20 | 2021-08-20 | 阿里健康信息技术有限公司 | Graphic code, and method and equipment for generating and identifying graphic code |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180703 |
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| WD01 | Invention patent application deemed withdrawn after publication |