CN106611207B - The two dimensional code and its method for reading data of writable data - Google Patents
The two dimensional code and its method for reading data of writable data Download PDFInfo
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- CN106611207B CN106611207B CN201510698002.7A CN201510698002A CN106611207B CN 106611207 B CN106611207 B CN 106611207B CN 201510698002 A CN201510698002 A CN 201510698002A CN 106611207 B CN106611207 B CN 106611207B
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Abstract
The present invention relates to the two dimensional code and its method for reading data of a kind of writable data, the two dimensional code includes multiple witness markers, more than one calibration mark and a data field;Wherein, there is a data write area, for more than one supplementary data is written on the witness marker;It is the supplementary data for the initial data and data write area for reading the data field, and in conjunction with the initial data and supplementary data, to parse final information when reading the data of the two dimensional code;Existing two dimensional code supplementary data to improve the information content and functionality of known two dimensional code, and can be reduced use cost using above-mentioned technology and expand application field.
Description
Technical field
The present invention relates to a kind of two dimensional code and its method for reading data, and particularly relating to one kind can be with the two dimensional code of supplementary data
With the method for reading the two-dimensional code data.
Background technique
Signified two dimensional code particularly relates to QR code (quick response matrix code) herein, please refers to shown in Fig. 7, and the QR code is main
If being respectively set in a rectangular area there are three being in " return " witness marker 71~73, the more than one calibration mark of font
74, two timing indexs, 75, data fields 76 and format information, version information etc.;Wherein, three witness markers 71~73 are distinguished
Three corners of the position in rectangular area 70, for identifying a rectangular area, and for recognizing its direction, two strips
Timing index 75 between two horizontally adjacent witness markers 71,72 and vertically adjacent to two witness markers 71,73 between, be also used to
It is used as positioning.
The data field 76 means that QR code allows mistake for setting data and tolerant code, the presence of the tolerant code,
It provides four kinds of fault-tolerant grade L, M, Q, H, can allow 7%, 15%, 25%, 30% character code error rate respectively.
Above-mentioned two dimensional code is upper more and more extensive in utilization, such as the offer of various electronic tickets or information, works as use
Person uses the mobile phone with camera function to scan the two-dimensional code, and the built-in translator of mobile phone can solve the data of two dimensional code, example
It is such as the network address of some website by the data that two dimensional code solves, then user can directly connect when scanning obtains the network address
The network address is connect to enter its website.
Although two dimensional code using increasingly extensive because two dimensional code is one-time write, information is generated, and once generation
Changeless data can only be provided afterwards, imply that existing two dimensional code can only be read and information cannot be written again, so that two dimensional code
Information content and application elasticity are limited.
Summary of the invention
Since existing two dimensional code is only for data are read, new information can not be written again, keep its application limited, therefore the present invention
Main purpose is providing the two dimensional code and its method for reading data of a kind of writable data, can be to two dimensional code in original data
Supplementary data is written, again in addition to extend the information content and application field of two dimensional code.
The technical way taken to achieve the aforementioned purpose is that the two dimensional code of aforementioned writable data is made to include: multiple fixed
Bit flag, more than one a calibration mark and a data field;It is characterized in that, the witness marker is respectively provided with a no data
Region, the area without data of more than one witness marker is to as a data write area, for more than one benefit is written
It makes up the number evidence.
The two dimensional code is using the area without data of the witness marker thereon as the data write area, for using
New information still can be further added after two dimensional code generation in person on two dimensional code.Have using caused by above-mentioned technology
Beneficial effect is can to promote the information content and application elasticity of two dimensional code.Citing is said, if the initial data of two dimensional code is a net
Location " www.***.com ", then be written after supplementary data, can enter the lower layer of the network address, such as " www.***.com/*
.html";If the data of two dimensional code are to be related to the ID of an object again, after two dimensional code supplementary data, scanning reads described two
The more detailed information of the object can be obtained after dimension code.
The technical way taken to achieve the aforementioned purpose is the method for reading data for making aforementioned two dimensional code, including following
Step:
Scan a two dimensional code;The two dimensional code is the two dimensional code of a writable data, and the two dimensional code has multiple positioning
Mark and a data field, wherein having a data write area on the witness marker;
The two dimensional code is positioned;
Read the initial data in the data field;
Judge whether the data write area on the witness marker has supplementary data;
If the data write area has supplementary data, the supplementary data is parsed;
In conjunction with the initial data of the data field and the supplementary data of the data write area to parse a final information.
It can read the supplementary data that the data write area is set on the witness marker using the above method, and with
Data splitting of the initial data in conjunction with described in generating in the data field;Whereby, user can be written in the two dimensional code
New data, and using the initial data and supplementary data of above method reading two dimensional code, and then combine and generate data splitting, with
The information content and functionality of known two dimensional code are improved, and use cost can be reduced and effectively expand application field.
Detailed description of the invention
Fig. 1 is the two dimensional code schematic diagram of version 1.
Fig. 2 is the two dimensional code schematic diagram of version 2.
Fig. 3 A~Fig. 3 C is the witness marker schematic diagram of two dimensional code of the present invention.
Fig. 4 is two dimensional code of the present invention in the schematic diagram of data write area write-in supplementary data.
Fig. 5 A is front schematic view of the two dimensional code of the present invention in conjunction with intelligent chip.
Fig. 5 B is schematic rear view of the two dimensional code of the present invention in conjunction with intelligent chip.
Fig. 6 is the flow chart of two-dimensional code data read method of the present invention.
Fig. 7 is the schematic diagram of known two dimensional code.
Specific embodiment
Cooperate schema and presently preferred embodiments of the present invention below, further illustrates the present invention to reach predetermined goal of the invention institute
The technological means taken.
About a preferred embodiment of two dimensional code of the present invention, referring first to shown in Fig. 1, being a kind of QR code, the QR code
Mainly it is provided with a data field 10 and three witness markers 11 in a square area, those skilled in the art can be with
Understand: the QR code further includes calibration mark, timing mark other than above-mentioned data field 10 and witness marker 11
Will, format information and version information etc. hold further not detailed since the equal mark, information and technical characteristic of the invention are unrelated
It states.
For QR code at present in respect of 40 kinds of versions (size), minimum version 1 is as shown in Figure 1, forming for 21x21 module
Matrix, for version 2 then as shown in Fig. 2, for the matrix that 25x25 module forms, every one version of raising increases 4x4 module, meaning
I.e. highest version is (40-1) x4+21=177, that is, the matrix of 177x177 module composition.
Two dimensional code of the invention is mainly that the witness marker 11 of QR code is utilized to provide a data write area 12, the positioning
Mark 11 be in a rectangular-ambulatory-plane matrix, as shown in Figure 3A, no matter a kind of that version, the witness marker 11 is all by 7x7
The square box of block size, center is the solid construction of 3x3 block size, therefore the periphery of the witness marker 11 is in
In the heart with the area without data of a square shape, the area without data is the square box that two horizontal segments and two vertical sections form,
Two horizontal segments and two vertical sections are made of 5 modules respectively, and the both ends of the horizontal segment and the both ends of vertical section are respectively with one
Module is overlapped, therefore the area without data actually shares 16 modules, and the present invention utilizes the witness marker
11 area without data is as the data write area 12, for supplementary data is written.
The module number of the data write area 12 data available for writing is related with the version height of QR code, the QR of highest version
Yard, the data write area 12 on witness marker 11 is that write-in data are provided with the module 121~124 of four corners with (such as
Shown in Fig. 3 B), imply that there are four module data available for writing for each data write area 12, and there are three witness markers for a QR code
11, that is, three data write areas 12 can be at most provided, it is total to have 12 (4x3) a module data available for writing.Low version
This QR code, the data write area 12 on witness marker 11 is other than the above-mentioned data available for writing of module 121~124, institute
The module 125~128 in 12 horizontal segment center of data write area and vertical section center also data (as shown in Figure 3 C) available for writing are stated,
The data write area 12 of namely one witness marker 11 can have up to eight modules and at most may be used for data, a QR code is written
To there is 24 (8x3) a modules, for data are written.And the data write area 12 is by horizontal segment center and vertical section center
Module 125~128 for data are written, the actual size that is displayed or printed for depending on QR code determines whether to use.
Assuming that a QR code has 24 module data available for writing, 24 modules are according to different fault-tolerant grades
Distribution is used as write-in data and tolerant code, for example, it can be set to 12 modules in 24 modules make data, in addition
12 make it is fault-tolerant: also can use wherein eight modules and make data, other 16 modules are made fault-tolerant.And highest version QR code has
12 modules are available for writing, therefore can set four modules and make data, and eight modules make fault-tolerant or six modules and count
According to six modules are made fault-tolerant.
As above-mentioned, since the information content of highest version QR code is bigger, witness marker 11 is relatively small, therefore only takes institute
The module 121~124 in four corners in data write area 12 is stated for data are written, as shown in figure 4, for convenience of description, it will wherein
Four modules 121~124 of one witness marker 11a are sequentially denoted as A, B, D, C, and the four of another two witness marker 11b, 11c
A module is then respectively designated as E, F, H, G and I, J, L, K, if by its data write area 12 each witness marker 11a, 11b, 11c
The module of the upper half is as fault-tolerant, and the module of lower half as data, and for security consideration, do not put with fault-tolerant by corresponding data
It sets in same witness marker, then fault-tolerant, the correspondence of the data of the lower half each witness marker 11a, 11b, 11c and the upper half
Relationship can be for example following:
C, D, G, H, K, L=F, E, J, I, B, A
Mode as write-in data is digitized representations, that is, has filling to be expressed as 1, blank is then represented as 0.According to above-mentioned
Analysis, the range that can be written into data is combined result such as following formula:
Cn=n+ (n-1)+(n-2)+...+module number (n- (n-1)) n=available for writing
And module number available for writing is different, can modify or supplement data number it is also not identical, wherein
C4=10 times, C6=21 times, C8=36 times, C12=78 times
With data write area 12 there are four module (C4) for be written data instance, so-called 10 times are to take in the following manner
:
If data are A. once written on one module, count writable 4 times.
It is 3 times writable (containing for the first time) if data are B. written in two modules simultaneously for the first time.
It is 2 times writable (containing for the first time) if data are C. written in three modules simultaneously for the first time.
If data D. are written in four modules simultaneously for the first time, i.e., can only be written 1 time.
Therefore A+B+C+D=4+3+2+1=10 (secondary)
It in the aforementioned embodiment, is that eight module data available for writing are up to each data write area 12, it can
Number for modification, supplementary data be as above-listed, however, when QR code is because having bigger demand on version problem or supplementary data,
The data write area 12 is not limited with 16 modules, and as described in front of taking off, the data write area 12 has two levels
Section and two vertical sections, each horizontal segment, vertical section can be divided into more than one and the module (such as two less than five
It is a), for data are written, each horizontal segment, vertical section can also be divided into quantity and are greater than five multiple modules, such one
Come, the number for modifying or being written will increase.
Application about two dimensional code of the present invention can be but not limited to following manner:
First example, it is assumed that the data of its data field 10 are scanned after above-mentioned two dimensional code generates reads as a website net
Location " www.***.com ", and be afterwards the network address in the data of the data write area 12 write-in " www.***.com " lower layer
A catalogue "/* .html ", then to the two-dimensional code scanning that data are written again when, some that can read the website is special
Determine catalogue, i.e., " www.***.com/*.html ", the particular category of the website can be entered via connection.
Second example, it is assumed that the information recorded in the data field 10 of two dimensional code is the type of special object in a certain database
Number or ID, the then data that are written in the data write area 12 afterwards be the further information or details of the object
Storage location, then to again be written data two-dimensional code scanning when, can be read directly the object further information or into
Enter designated position to read its details.
The above citing is only the feasible application example of the present invention, is not intended to limit the invention specific application side
Formula, hereby give notice that.
Furthermore two dimensional code of the invention can be combined, adhered to or be shown on a carrier, and the carrier can be but not only
It is limited to commodity, building, exhibit, the art work, historical relic, present, goods to auction, present etc., such as: printed matter, packing box, notice
Plate, advertising billboard, memory card etc., can also be with the electronic product such as display screen of computer, plate or mobile phone;In addition to this,
The carrier can be an intelligent chip, please refer to shown in Fig. 5 A, 5B, and wherein Fig. 5 A is the front of an intelligent chip 20, just
Have on face just like the above-mentioned two dimensional code that data can be written again, for another example Fig. 5 B show the back side of the intelligent chip 20, back
Face is equipped with a RFID tag (RF Tag) 21, and the RFID tag 21 on the two dimensional code and the intelligent chip can be with
Corresponding information (such as ID) is recorded, in the occasion for needing repeatedly to read and write, the intelligent chip 20 can be written and read, the two
Can be cooperated by respective basic information to constitute a kind of two-in-one label, and use any required fidelity, trace to the source,
The occasions such as security protection, logistics, on historical relic, calligraphy and painting, the art work and other valuable objects.In application, it will such as in museum
Two-in-one label is attached on object, and downloads APP software to smart phone by user, it can sharp at any time in museum
The information on historical relic on attached two dimensional code is read with smart phone, and is interacted with other users.Museum management personnel
Intelligent chip can be written in more specific, exact information, high-order user can pass through additional or built-in device and mobile phone
In conjunction with Card read/write is carried out, museum can be to corresponding historical relic immediate addressing, security protection and Intelligent logistics management etc..Modern work
Skill product author, expert of calligraphy and painting and collector can be written and read the two-in-one label by the equipment, such as input object
The information such as title, time, appreciation, circulation, transaction, be then directly attached on object, and to the information and service of these write-ins
Device is synchronous, in this way, which buyer can scan the two dimensional code by mobile phone to obtain corresponding information in the future.
Aforementioned bearer is single intelligent chip, but it is also possible to the combination of two kinds or more intelligent chips, the intelligence
Chip can be but not limited to: RFID tag (RF Tag), smart card (Smart Card) or SIM card etc., and described two kinds
The combination of the above intelligent chip can be RFID tag (RF Tag)+SIM card or smart card (Smart Card)+SIM card,
But a combination thereof mode is not exemplified by limit with above-mentioned.
The intelligent chip can be RFID tag (RF ID).
In addition to the two dimensional code of above-mentioned writable data, the present invention further provides a kind of reading data of two dimensional code
Method mainly executes the following steps (please referring to shown in Fig. 6) as an electronic device:
Scan a two dimensional code (S11);The two dimensional code has data field 10, witness marker 11, data write-in as above-mentioned
The two dimensional code in area 12;
(S12) is positioned to the two dimensional code
Read the initial data (S13) on the two dimensional code in data field 10;
Judge whether the data write area 12 on the witness marker 11 has supplementary data (S14);
If the data write area 12 has supplementary data, that is, parse the supplementary data (S15);
The supplementary data of initial data and the data write area to the data field 10 carries out data processing (S16),
To parse final information in conjunction with the initial data and supplementary data;
In abovementioned steps (S14), if judging blank in the data write area 12, it is not written into supplementary data, i.e. needle
Data processing (S16) is carried out to the initial data in data field 10, to parse final information.
Judgement is located at positioning mark to preceding method other than reading the initial data on two dimensional code in data field 10, and further
It can be by the supplementary data and the original if there is supplementary data with the presence or absence of supplementary data in data write area 12 in will 11
Beginning data combine, to parse final information.It means that when two dimensional code is to be not written into supplement number in its data write area 12
According to preceding scanned, it will read the data in the data field 10;If the data write area 12 of two dimensional code has been written into supplementary data,
Read-out final information is supplemented in initial data and data write area 12 in data field 10 when then scanning the two dimensional code
The combination of data.
Such as: when data of the two dimensional code in its data field 10 are a website " www.***.com ", user can benefit
Supplementary data is written with the data write area 12 being arranged on its witness marker 11, it is assumed that the supplement that the data write area 12 is written
Data be the network address " www.***.com " lower layer a catalogue "/* .html ", then when the two dimensional code is scanned again,
Its final information read is the combination of initial data and supplementary data, is also " www.***.com/*.html ".
Reading of the preceding method for supplementary data, can take different algorithms to be read out, such as take default control
Table (lookup table) mode reads the range of data so that data write area 12 has 4 can be written into the module of data as an example
For 0001-1111, preceding method can preset a corresponding information to different data, such as:
0001 represents the discount information of first segment, such as 10%
1001 represent the link information of first segment, such as " * .html "
And 0011,0111,1111,1011,1101 etc. can correspond respectively to other information.And above-mentioned 0001,
Though 1001 last data it is identical, because the data of front are different, the information represented is not also identical.
As described in front of taking off, the data write area 12 of the two dimensional code allows difference according to the quantity of writable data module
Modification number, in other words, with two dimensional code data write area 12 by gradually be written supplementary data when, aforementioned side can be utilized
Method is read more information.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or repair
Decorations are the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, technology according to the present invention are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical solution of the present invention
It is interior.
Claims (12)
1. a kind of two dimensional code of writable data is that a two dimensional code is made to include: multiple witness markers, more than one calibration mark
With a data field;It is characterized in that, the witness marker is respectively provided with an area without data, more than one witness marker it is described
Area without data is to as a data write area, for more than one supplementary data is written.
2. the two dimensional code of writable data according to claim 1, which is characterized in that the data write area is by two levels
The square box of section and two vertical sections composition, two horizontal segments and two vertical sections are respectively divided to be made of more than one module, respectively
Module is for being written supplementary data.
3. the two dimensional code of writable data according to claim 2, which is characterized in that two horizontal segment of data write area and
Two vertical sections are made of 5 modules respectively, and the both ends of the horizontal segment and the both ends of vertical section are respectively with a module phase mutual respect
Folded, the module of the overlapping is located at four corners of square box, and the data write area is the module by four corners for write-in
Supplementary data.
4. the two dimensional code of writable data according to claim 3, which is characterized in that the data write area is by horizontal segment
The module in center and vertical section center is for being written data.
5. the two dimensional code of writable data according to claim 4, which is characterized in that data write area horizontal segment and hang down
The modules of straight section are for being written data.
6. the two dimensional code of writable data according to claim 1, which is characterized in that the data write area is to digitize
Indicate the supplementary data.
7. the two dimensional code of writable data according to claim 6, which is characterized in that the module of the data write area is filled out
It fills and is expressed as 1, module blank is expressed as 0.
8. according to claim 1 to the two dimensional code of writable data described in any one of 7, which is characterized in that the two dimension code bit
In on a carrier.
9. the two dimensional code of writable data according to claim 8, which is characterized in that the carrier is a display screen, described
Two dimensional code is shown on the display screen.
10. the two dimensional code of writable data according to claim 8, which is characterized in that the carrier has more than one
Intelligent chip, the two dimensional code are combined with the intelligent chip, and the two dimensional code and intelligent chip record have accordingly
Information.
11. a kind of method for reading data of two dimensional code, it is characterised in that the following steps are included:
Scan a two dimensional code;The two dimensional code is the two dimensional code of a writable data, and the two dimensional code has multiple witness markers
With a data field, wherein on the witness marker have a data write area;
The two dimensional code is positioned;
Read the initial data in the data field;
Judge whether the data write area on the witness marker has supplementary data;
If the data write area has supplementary data, the supplementary data is parsed;
In conjunction with the initial data of the data field and the supplementary data of the data write area to parse a final information.
12. the method for reading data according to two dimensional code described in claim 11, it is characterised in that: be when parsing the supplementary data
Its corresponding information is found out by comparison list.
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US6338433B1 (en) * | 1999-09-03 | 2002-01-15 | Drexler Technology Corporation | Method for laser writing multiple updatable miniature 2-D barcode data bases for electronic commerce |
CN102034127A (en) * | 2009-09-28 | 2011-04-27 | 上海易悠通信息科技有限公司 | Novel high-capacity two-dimensional barcode and system, encoding and decoding methods and applications thereof |
CN102568608A (en) * | 2012-02-24 | 2012-07-11 | 南京大学 | Improved method for strengthening QR (Quick Response) code error correcting capability |
CN104778732A (en) * | 2015-01-30 | 2015-07-15 | 北大方正集团有限公司 | Method and device for generating two-dimensional code of image |
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US6338433B1 (en) * | 1999-09-03 | 2002-01-15 | Drexler Technology Corporation | Method for laser writing multiple updatable miniature 2-D barcode data bases for electronic commerce |
CN102034127A (en) * | 2009-09-28 | 2011-04-27 | 上海易悠通信息科技有限公司 | Novel high-capacity two-dimensional barcode and system, encoding and decoding methods and applications thereof |
CN102568608A (en) * | 2012-02-24 | 2012-07-11 | 南京大学 | Improved method for strengthening QR (Quick Response) code error correcting capability |
CN104778732A (en) * | 2015-01-30 | 2015-07-15 | 北大方正集团有限公司 | Method and device for generating two-dimensional code of image |
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