CN101281607A - Two-dimension bar code and system with large information capacity - Google Patents
Two-dimension bar code and system with large information capacity Download PDFInfo
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Abstract
The invention relates to a two dimensional bar code with large information capacity and a system, belonging to the field of the information publication. Through building the two dimensional bar code matching with the character feature, the invention realizes the application suitable for the length uncertainty of the bar code and the information revivification based on the template by a plurality of continuous two dimensional bar codes. The way adopting the two dimensional bar code is used to record the extended information code, wherein the code way is simple and easy to extend. The two dimensional bar code of the invention can conveniently bear the extended information content with high fault tolerant ratio, simple making and using, which can be used matching with the characteristic easy to extend of the bar code template and has wide application foreground in the field of the information publication.
Description
Technical field
The invention belongs to the information publishing area, be specifically related to a kind of two-dimensional bar code and system of big information capacity.
Background technology
Along with the raising of bar-code identification terminal computing power, and the expansion of bar code beared information amount, two-dimensional bar code relies on the advantage of the quantity of information of relative bar code, obtains very big development and application in recent years.Because the further increase of quantity of information that bar code comprises, produce some new technology and solved relevant issues, the typical case is as Chinese patent application " stack of two-dimensional bar code color information " (200610080444.6), this method generates a color two dimension bar code sign indicating number figure who comprises multilayered color-forming information according to the principle of color stack.Read information in each figure layer by different color channels during decoding, to improve the information capacity of two-dimensional bar code.
Because the space constraint of two-dimensional bar code own, and the qualification of open barcode encoding mode declaration pattern specification (Schema), certain bar code can only be used for special-purpose, extensibility is very poor, and its beared information amount size is fixing, bar code can not satisfy the needs of the quantity of information of rapid expansion as a kind of machine recognition medium.
At publishing area, editor, making, distribution that the appearance of internet is published tradition have constituted certain influence, the carrier of published information also develops into various ways such as CD, network, note by single paper medium medium, organizing of published information no longer is simple linear structure, and also changed greatly along with the appearance of internet the life cycle of published information.Digitized published information is retrieved, is reused, conclude the business, quilt is rewritten becomes a kind of trend and trend, strides medium and go out platemaking technology and just arise at the historic moment under this trend and trend.Published information " produce once, repeatedly publish " becomes the target that publishing circle chases.
Different media format characteristics differences, all exist than big-difference towards reading habit, target group etc., cause the manifestation mode of the published information that carries that bigger difference is also arranged,, newspaper short and pithy as note fast in detail, full and accurate pleasing, the network of magazine is then related convenient etc.Modern data of publishing are once put in order repeatedly and are published, and the publishing way of striding medium that provides is for the reading crowd provides selection multi-angle, multi-form.The information issuing process was unidirectional during information was published at present, be that same information forms after the publication on different medium, no longer keep related between the information, report as one piece of world cup finals, full and accurate report being arranged on network, and cut out the partial information report on the newspaper, then is more brief goal information on the note, the reader can't understand and is derived from one piece of report between these information, and also can't accurately find report more full and accurate on the network after reading note.
For setting up the association of having published back information, set up relation related between the published information,, need unify sign at the material that data are once put in order, publish like this between the information on the various medium and just can set up lateral ties, and the contact between the maintenance related information.
The unified sign that the mode of use bar code writes down published information is a kind of good selection, but because each publisher is big for published information identification data amount, mode classification is had nothing in common with each other, and be difficult to reach in a short time standard, information-recording content difference is also bigger, bar code carrying data capacity is restricted, and existing barcode technology can not satisfy relevant application.
Summary of the invention
At problems of the prior art, the two-dimensional bar code and the system that the purpose of this invention is to provide a kind of big information capacity make it to be applicable to that the barcode encoding byte length is uncertain, and use the application scenarios such as information reverting based on template, this barcode encoding mode is simple, is easy to expansion.
Technical scheme of the present invention is as follows: a kind of two-dimensional bar code of big information capacity, form by a plurality of continuous two-dimensional bar code characters; Each two-dimensional bar code character comprises data field and block of information two parts, and the data field is used to write down the data message that bar code need be put down in writing, and information coding in data field generates final bar code recorded information by cooperating with the barcode data coding templet; The block of information comprises calibration and order recording areas, function calibration zone, wherein calibration and order recording areas are used for bar code in the order relation between positioning strip code position, some area size and the definite a plurality of continuous bar code characters after the scanning, and the function calibration zone is used for the envelop of function and the relevant check information of flag data.
Further, the two-dimensional bar code of aforesaid big information capacity, wherein the size of each two-dimensional bar code character is consistent, is made up of the M that can be provided with * N dot matrix; Wherein the size of data field can change according to character boundary, and character-coded minimum identification point size is set by system configuration, does not change with character boundary.
Further, the two-dimensional bar code of aforesaid big information capacity, wherein the number of two-dimensional bar code character is by the size decision that needs data carried by data code length and current bar code character matrix.
Further, in the block of information of the two-dimensional bar code of above-mentioned big information capacity, the calibration areas of described calibration and order recording areas is the form of fix N * N dot matrix square frame, is used for scan image identification and locatees two-dimensional bar code character boundary, zone, dot matrix and be used for straightening; The order recording areas is positioned at the dot matrix square frame of calibration areas, is used for writing down the sequential encoding in the bar code character group of the sequence number of this bar code character and this character.
Further, in the block of information of the two-dimensional bar code of above-mentioned big information capacity, the data of described function calibration zone and semantical definition thereof can be used by the barcode data coding templet with this bar code coupling.
Further, the two-dimensional bar code of aforesaid big information capacity, described barcode data coding templet is the application for spreading bar-code, a kind of structural data of setting strip code data identification in system, it is according to the needs of using, to each zone of bar code and identification, correction, encryption algorithm is determined or limit, and can set other qualifications.
Further, barcode data coding templet mark in the bar code data representative in the specific data zone meaning and be convenient to the flag data that application identification is used, the information of barcode data coding templet record can comprise:
1) coded system, i.e. which kind of standard code mode of The data is as ASCII, GB2312, UTF-8 etc.;
2) order and total verification mode refer in the journal district positional information of record strip code character in the bar code character string in which way;
3) data area segmentation and description of use, promptly segmentation is regional again in the data area, the different description of uses of zones of different recorded information;
4) verification mode, promptly at the verification mode of bar code, as adopting horizontal check or longitudinal check, and corresponding checking algorithm definition etc.
Further, the two-dimensional bar code of aforesaid big information capacity, definition has cipher mode in the barcode data coding templet corresponding with bar code, and cipher mode and algorithm and barcode data coding templet are used, and realize the scrambled of two-dimensional bar code.
Further, the two-dimensional bar code of aforesaid big information capacity, wherein the layout type of block of information coding mode information, calibrating mode, verification mode and the zones of different of two-dimensional bar code character is open by barcode encoding mode declaration pattern specification (Schema), and the definition of the coded system of function calibration zone can cooperate the digital coding template to expand in the block of information; As not defining the barcode data coding templet that needs the identification bar code coupling in the system, then system handles according to disclosed barcode encoding mode declaration pattern specification (Schema).
A kind of 2-D barcode system of big information capacity comprises:
-bar code generating apparatus, the information translation that is used for user's input is the outer word of bar code picture or bar code, uses for composing, printout software;
-bar code identifying device is used to provide the bar-code identification service of input picture;
-Template Manager device is used to provide and manage the barcode data coding templet that bar code generating apparatus, bar code identifying device need use;
-image processing apparatus is used for that bar code is converted into picture or the scanning barcode picture recognition is handled.
Further, in the 2-D barcode system of above-mentioned big information capacity, also comprise outer word device, be used for the bar code that the bar code generating apparatus generates is converted to font output information.
Further, in the 2-D barcode system of above-mentioned big information capacity, described bar code generating apparatus can be output as bar code character style or picture format or stream data.
The two-dimensional bar code of big information capacity provided by the present invention and system, by a plurality of continuous two-dimensional bar code character combinations, make bar code recorded information capacity not limited by the barcode encoding form, thereby can be to the bulky information application of encoding, and in the disclosed mode of barcode encoding mode declaration pattern specification (Schema), make different application person to understand barcode encoding form and relevant the qualification by barcode encoding mode declaration pattern specification (Schema), when can satisfying the different application coding flexibly, the bar-code identification of also being convenient to third party's identification equipment is handled, and has good dirigibility with open.Specifically, the present invention has following remarkable results:
(1) two-dimensional bar code of a kind of big information capacity of the present invention and system can realize the information bar codeization of large data capacity and identification processing automatically;
(2) two-dimensional bar code of a kind of big information capacity of the present invention and system have high power capacity, high error correction rate, the anti-distortion ability of high fouling resistance, characteristics such as multiple encoding and decoding, comprehensive recognition;
(3) two-dimensional bar code and the system of the described a kind of big information capacity of employing by the barcode data coding templet, thereby make the information format definition separate with bar code information itself, and make third party's recognizing apparatus be convenient to recognition, have good opening and extendability;
(4) adopt described system, can make the micro-bars code-bar of minimum 16 * 16 dot matrix, the bar code printing that can be applied to thin narrow side seam uses with identification.
Description of drawings
Fig. 1 is 24 * 24 dot matrix two-dimensional bar code characters in the embodiments of the invention;
Fig. 2 is a form space of a whole page pattern exemplary graph;
Fig. 3 is a bar code synoptic diagram newly-generated in the embodiments of the invention;
Fig. 4 is the synoptic diagram that bar code is output as character style in the embodiments of the invention;
Fig. 5 is the continuous 2-D barcode system structural drawing of variable size in the embodiments of the invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
The present invention is by introducing the two-dimensional bar code positioned in sequence, and the sequence that a plurality of two-dimensional bar codes are formed can be carried the bulky information content, and in conjunction with the relevant innovations such as semantic description of template to bar code carrying data content, makes bar code be easy to use and expand.
The two-dimensional bar code of a complete big information capacity is made up of a plurality of continuous two-dimensional bar code characters, and wherein each two-dimensional bar code character boundary unanimity is made up of the M that can be provided with * N black-white point matrix.
The following examples are only at a kind of convenient application scenario of using 24 needle printers to make the micro-bars code-bar, in the present embodiment to adopt the explanation of 24 * 24 dot matrix two-dimensional bar code characters, as shown in Figure 1:
Each two-dimensional bar code character comprises 14 two parts in block of information and data field, data field 14 is used to write down the data message that bar code need be put down in writing, the block of information then comprises calibration and order recording areas, function calibration zone 13, calibration areas 11 is the forms with fix N * N dot matrix square frame, is used for scan image identification and locatees two-dimensional bar code character boundary, zone, dot matrix and be used for straightening; The both sides in three of 11 marks the square frames and the lower right corner all belong to calibration areas in Fig. 1.
Order recording areas 12 is zones in 11 three square frames that mark among Fig. 1, wherein represent the current location sequence number of this bar code character in group with the point of black, be subjected to the restriction of journal district size, this sequence number can recycle in group, but adjacent bar code character can not use identical sequence number.
Position number in character group of three journal district minute book bar code characters in the present embodiment, on a position number and a next position number that closes on bar code character that closes on bar code character.In the present embodiment, the journal district is made up of 3 * 3 dot matrix, and wherein central point is that black represents to begin first order, and 3 * 3 dot matrix is complete be end mark in vain, 8 sequential loop of representing 1-8 except 3 * 3 the dot matrix central point.As showing among Fig. 1, upper left journal district writes down current bar code character and is numbered 0, the numbering that promptly begins, and upper right journal district writes down a supreme bar code character, and the lower left corner is write down next bar code character and is encoded to 1.
In the present embodiment, 4 zones that 15 marks of character barcode point to only allow for blank.
The above-mentioned content that the open explanation of part barcode encoding mode declaration pattern specification (Schema) is described is as follows:
<？xml?version＝″1.0″encoding＝″utf-8″？>
<root>
<encode?encoding＝″UTF-8″>
<crypt?arithmetic＝″3DES″></crypt>
<valid?arithmetic＝″CRC32″direct＝″vertical″></valid>
</encode>
<region?size＝″24，24″>
<item?name＝″cur″type＝″″pos＝″{0，0}，{5，5}″value＝″″></item>
<item?name＝″pre″type＝″″pos＝″{20，0}，{20，5}″value＝″″></item>
<item?name＝″post″type＝″|″pos＝″{0，20}，{5，20}″value＝″″></item>
<item?name＝″option″type＝″″pos＝″{20，20}，{24，24}″value＝″″></item>
<item?name＝″data1″pos＝″{7，0}，{18，6}″value＝″″></item>
<item?name＝″data2″pos＝″{0，7}，{24，18}″value＝″″></item>
<item?name＝″data3″pos＝″{7，18}，{18，24}″value＝″″></item>
</region>
<pattern>
<item?id＝″1″name＝″Guid″type＝″ID″lib＝″″/>
<item?id＝″2″name＝″CheckValid″?type＝″Check″lib＝″ReCheck″/>
<item?id＝″3″name＝″CountValid″type＝″″lib＝″″/>
<item?id＝″4″name＝″NoValid?″type＝″″lib＝″″/>
</pattern>
</root>
Above-mentioned barcode encoding mode declaration pattern specification has defined the definition of disclosed barcode encoding pattern, wherein be defined as＜crypt arithmetic=as the Crypt node among the encoding " 3DES " testpassword＜/crypt 〉, then the barcode data content will be to output in the bar code after the 3DES algorithm of testpassword is encrypted data according to password, Password is empty in the present embodiment, then data is not carried out encryption.
Is be a concrete example of using below, for example recorded information http://chinasourcing.mofcom.gov.cn/corporation/index.jsp? the network address of id=172, and the template definition that extensible authentication is used is as follows:
<？xml?version＝″1.0″encoding＝″utf-8″？>
<root>
<info>
<id?type＝″Guid″>B198F19D-C368-4595-8A94-CCBC3B2A2B68</id>
＜name〉network address＜/name 〉
<type>MultiReSize</type>
<template>24Template?xml</template>
<encode?encoding＝″UTF-8″>
<crypto?type＝″RSA″enable＝″false″>|
<publickey?value＝″zRmtAGdJafLs1hE.hJcDQvM＝″></publickey>
</crypto>
</encode>
</info>
<data>
<region?type＝″continues″width＝″24″height＝″24″>
<item?serial＝″1″pos＝″{6，0}，{18，5}″/>
<item?serial＝″2″pos＝″{0，6}，{24，18}″/>
<item?serial＝″3″pos＝″{6，18}，{18，24}″/>
</region>
<funcdefine>
<crc?pos＝″2″arithmetic＝″CRC32″/>
<index?pos＝″3″type＝″Normal″/>
<count?pos＝″4″type＝″Normal″/>
<datavalid?type＝″TVerticle″/>
<space?value＝″″/>
</funcdefine>
<pattern>
<item?type＝″Noraml″?DataType＝″String″?name＝″Url″regEx＝″{″〔[\w-]+\.〕+[\w-]+〔/[\w-./？％＝]*〕？$}″endpoint＝″null″/>
<item?type＝″Random″DataType＝″Null″name＝″Stuffing″regEx＝″″endpoint＝″null″/>
</pattern>
</data>
</root>
The Globally Unique Identifier of this template number is: { B198F19D-C368-4595-8A94-CCBC3B2A2B68}, the function calibration zone of using in the present embodiment (4 * 4 white spaces in Fig. 1 lower right corner) tag definitions is: the 1st behavior formal definition district, the 2nd behavior is check field again, the 3rd behavior bar code number sum district, the current bar code character sequence number of the 4th behavior check field, according to current definition, then learn definition from legend: the 1st line display adopts the data stream format that defines before and after Guid form and the data, 8 Bit of distance between 16 numerals that Guid represents and the data, the 2nd row defines vertically verification numerical value again, the 3rd line display bar code sum has two, and the current bar code character sequence number of the 4th line display is first.
This bar code possesses character feature, promptly shows as the character string that continuous character is formed at the composing space of a whole page, as shown in Fig. 2.When if the recorded information content exceeds current bar code character carrying data capacity, automatically append a new character, in the time of the not enough current bar code capacity of the information content, multiple check algorithm according to the barcode data coding templet appointment of correspondence, replenish verification bar code character information, up to filling up.
When the user is provided with the size of change bar code character, bar code character regenerates bar code according to new corresponding barcode data coding templet, and in the present embodiment, the character of second template definition is 20 * 20 dot matrix, other are provided with all identical, and the new bar code that then generates shows as Fig. 3.
For the bar code character that generates, on User, the bar code generating apparatus bar code can be output as character style such as Fig. 4 shows, also can be output as picture format and stream data.Be output as character style and promptly generate font, use for setting type, this moment can set font size and be provided with between character row and between word of bar code character, allow line feed to reset, do not support character distortion, operation such as anti-white, when wherein font size changed, bar code character must not be less than specified threshold, and bar code-point size is constant, and its data field size can change.
In the above-described embodiments, if the Enable attribute of the crypto node that defines in the encode node is false, then in the present embodiment, do not pass through encryption from the data that bar code reads, if and the Enable attribute is True, then at first need the data that to read from bar code, according to the algorithm of PublicKey node definition and the key that provides, after the data that read were decrypted, the template of using in conjunction with extensible authentication was used again.
As shown in Figure 5, the 2-D barcode system of big information capacity provided by the present invention is made up of bar code generating apparatus 22, bar code identifying device 25, image processing apparatus 24, Template Manager device 21 and outer word device 23.
Bar code generating apparatus 22 is used to generate bar code, the information translation that is about to user's input is the outer word of bar code picture or bar code, use for composing, printout software, it generates control information and is provided by Template Manager device 21, and the bar code generating apparatus outwards provides bar code to generate interface 26.
Bar code identifying device 25 is used for the identification of bar code, and the bar-code identification service of input picture promptly is provided by the external service interface of bar-code identification, and it provides the barcode data coding templet by Template Manager device 21, carries out treatment of picture by image processing apparatus 24.
Outer word device 23 is optional equipments of the present invention, can provide bar code is converted to the external store system font, thereby space of a whole page processing or printout are handled this bar code according to common character.
The present invention relates to a kind of two-dimensional bar code and system of big information capacity, according to the present invention on prior art, introduce the two-dimensional bar code positioned in sequence, the sequence that a plurality of two-dimensional bar codes are formed can be carried the bulky information content, and, make bar code be easy to expansion in application facet by the method for template combination.The bar code positioned in sequence method that the present invention adopts, and, all also belong to innovation scope of the present invention in conjunction with the relevant innovations such as semantic description of template to bar code carrying data content.
The present invention is by setting up a kind of two-dimensional bar code of big information capacity, make bar code on the recorded information capacity, no longer be subjected to the restriction in bar code zone, and by the disclosed mode of barcode encoding mode declaration pattern specification (Schema), barcode standard definition and bar code recorded information have been separated, make bar code use and have favorable expansibility and dirigibility, this bar code be not very high to the recognition of devices rate request, simultaneously under the situation that bar code recorded information amount is bigger, has very strong using value, typical case as information publishing area be to the processing of the class indication of published information, and this technology makes two-dimensional bar code can use in the application of computing machine quick identification of large information capacity.
Consider the description of this invention disclosed herein and special embodiment, other embodiment of the present invention are conspicuous for a person skilled in the art.These explanations and embodiment only consider as an example that they all belong to by within the indicated protection scope of the present invention and spirit of claims.
Claims (12)
1. the two-dimensional bar code of a big information capacity, it is characterized in that: described two-dimensional bar code is made up of a plurality of continuous two-dimensional bar code characters; Each two-dimensional bar code character comprises data field and block of information two parts, and the data field is used to write down the data message that bar code need be put down in writing, and information coding in data field generates final bar code recorded information by cooperating with the barcode data coding templet; The block of information comprises calibration and order recording areas, function calibration zone, wherein calibration and order recording areas are used for bar code in the order relation between positioning strip code position, some area size and the definite a plurality of continuous bar code characters after the scanning, and the function calibration zone is used for the envelop of function and the relevant check information of flag data.
2. the two-dimensional bar code of big information capacity as claimed in claim 1 is characterized in that: the size of each two-dimensional bar code character is consistent, is made up of the M that can be provided with * N dot matrix; Wherein the size of data field can change according to character boundary, and character-coded minimum identification point size is set by system configuration, does not change with character boundary.
3. the two-dimensional bar code of big information capacity as claimed in claim 1 is characterized in that: the number of described two-dimensional bar code character is by the size decision that needs data carried by data code length and current bar code character matrix.
4. as the two-dimensional bar code of claim 1 or 2 or 3 described big information capacities, it is characterized in that: in the block of information of two-dimensional bar code, the calibration areas of described calibration and order recording areas is the form of fix N * N dot matrix square frame, is used for scan image identification and locatees two-dimensional bar code character boundary, zone, dot matrix and be used for straightening; The order recording areas is positioned at the dot matrix square frame of calibration areas, is used for writing down the sequential encoding in the bar code character group of the sequence number of this bar code character and this character.
5. as the two-dimensional bar code of claim 1 or 2 or 3 described big information capacities, it is characterized in that: in the block of information of two-dimensional bar code, the data of described function calibration zone and semantical definition thereof can be used by the barcode data coding templet with this bar code coupling.
6. as the two-dimensional bar code of claim 1 or 2 or 3 described big information capacities, it is characterized in that: described barcode data coding templet is the application for spreading bar-code, a kind of structural data of setting strip code data identification in system, it is according to the needs of using, to each zone of bar code and identification, correction, encryption algorithm is determined or limit, and can set other qualifications.
7. the two-dimensional bar code of big information capacity as claimed in claim 6, it is characterized in that: described barcode data coding templet mark in the bar code data representative in the specific data zone meaning and be convenient to the flag data that application identification is used, the information of barcode data coding templet record comprises:
1) coded system, i.e. which kind of standard code mode of The data;
2) order and total verification mode refer in the journal district positional information of record strip code character in the bar code character string in which way;
3) data area segmentation and description of use, promptly segmentation is regional again in the data area, the different description of uses of zones of different recorded information;
4) verification mode, promptly at the verification mode of bar code, as employing horizontal check or longitudinal check, and corresponding checking algorithm defines.
8. the two-dimensional bar code of big information capacity as claimed in claim 7, it is characterized in that: definition has cipher mode in the barcode data coding templet corresponding with bar code, cipher mode and algorithm and barcode data coding templet are used, and realize the scrambled of two-dimensional bar code.
9. the two-dimensional bar code of big information capacity as claimed in claim 1, it is characterized in that: the layout type of block of information coding mode information, calibrating mode, verification mode and the zones of different of two-dimensional bar code character is open by the barcode encoding mode declaration pattern specification, and the definition of the coded system of function calibration zone can cooperate the digital coding template to expand in the block of information; As not defining the barcode data coding templet that needs the identification bar code coupling in the system, then system handles according to disclosed barcode encoding mode declaration pattern specification.
10. the 2-D barcode system of a big information capacity comprises:
-bar code generating apparatus, the information translation that is used for user's input is the outer word of bar code picture or bar code, uses for composing, printout software;
-bar code identifying device is used to provide the bar-code identification service of input picture;
-Template Manager device is used to provide and manage the barcode data coding templet that bar code generating apparatus, bar code identifying device need use;
-image processing apparatus is used for that bar code is converted into picture or the scanning barcode picture recognition is handled.
11. the 2-D barcode system of big information capacity as claimed in claim 10 is characterized in that: this system also comprises outer word device, is used for the bar code that the bar code generating apparatus generates is converted to font output information.
12. the 2-D barcode system as claim 10 or 11 described big information capacities is characterized in that: described bar code generating apparatus can be output as bar code character style or picture format or stream data.
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|---|---|---|---|
| CN2008101120043A CN101281607B (en) | 2008-05-20 | 2008-05-20 | Two-dimension bar code system with large information capacity |
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|---|---|---|---|
| CN2008101120043A CN101281607B (en) | 2008-05-20 | 2008-05-20 | Two-dimension bar code system with large information capacity |
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| CN101281607B CN101281607B (en) | 2011-04-27 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010012194A1 (en) * | 2008-07-30 | 2010-02-04 | 华为技术有限公司 | Two-dimensional bar code encoding method, decoding method and device, terminal |
| CN102708344A (en) * | 2012-01-13 | 2012-10-03 | 蒋月琴 | Dot matrix code identification method |
| CN102880782A (en) * | 2012-07-16 | 2013-01-16 | 北京怡和嘉业医疗科技有限公司 | Method for medical equipment remote information transmission and device for medical equipment remote information transmission |
| CN103794135A (en) * | 2014-02-17 | 2014-05-14 | 立德高科(北京)数码科技有限责任公司 | Mark formed by dot matrixes and two-dimensional code and generation and identification method of mark |
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2008
- 2008-05-20 CN CN2008101120043A patent/CN101281607B/en not_active Expired - Fee Related
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| WO2010012194A1 (en) * | 2008-07-30 | 2010-02-04 | 华为技术有限公司 | Two-dimensional bar code encoding method, decoding method and device, terminal |
| CN102708344B (en) * | 2012-01-13 | 2013-12-25 | 蒋月琴 | Dot matrix code identification method |
| CN102708344A (en) * | 2012-01-13 | 2012-10-03 | 蒋月琴 | Dot matrix code identification method |
| CN104520855A (en) * | 2012-07-16 | 2015-04-15 | 北京怡和嘉业医疗科技有限公司 | Remote information transmission method for medical equipment, and medical equipment |
| CN102880782A (en) * | 2012-07-16 | 2013-01-16 | 北京怡和嘉业医疗科技有限公司 | Method for medical equipment remote information transmission and device for medical equipment remote information transmission |
| CN104520855B (en) * | 2012-07-16 | 2019-03-15 | 北京怡和嘉业医疗科技股份有限公司 | Medical Devices remote information transmission method, Medical Devices |
| TWI475494B (en) * | 2012-08-13 | 2015-03-01 | Univ Nat Cheng Kung | Method of read multiple two dimensional barcodes |
| CN103794135A (en) * | 2014-02-17 | 2014-05-14 | 立德高科(北京)数码科技有限责任公司 | Mark formed by dot matrixes and two-dimensional code and generation and identification method of mark |
| CN103794135B (en) * | 2014-02-17 | 2016-01-20 | 立德高科(北京)数码科技有限责任公司 | Carry out generating to the mark formed by dot matrix and Quick Response Code and know method for distinguishing |
| TWI574209B (en) * | 2014-05-14 | 2017-03-11 | Kyodo Printing Co Ltd | Two - dimensional code, two - dimensional code of the analytical system |
| TWI564816B (en) * | 2015-12-29 | 2017-01-01 | 中強光電股份有限公司 | Electronic apparatus, an information transmitting method and an information reading method |
| CN108629391A (en) * | 2018-05-10 | 2018-10-09 | 佛山市博知盾识科技有限公司 | Color code decoding method, system and equipment |
| CN108629391B (en) * | 2018-05-10 | 2021-09-03 | 品冠物联科技(惠州市)有限公司 | Color code encoding and decoding method, system and equipment |
| CN112801081A (en) * | 2021-01-18 | 2021-05-14 | 王玉宏 | Computer identification method of answer sheet |
| CN113592518A (en) * | 2021-08-20 | 2021-11-02 | 杭州沃朴物联科技有限公司 | Anti-counterfeiting traceability label generation and verification method based on coding rule and application |
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