1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO/IEC 16023:2000 ICS
2、 01.080.99; 35.040 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Information technology International symbology specification MaxicodeThis British Standard, having been prepared under the direction of the DISC Board, was published under the authority of the Standards Committ
3、ee and comes into effect on 15 October 2000 BSI 10-2000 ISBN 0 580 36410 0 BS ISO/IEC 16023:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO/IEC 16023:2000 and implements it as the UK national standard. The UK participati
4、on in its preparation was entrusted to Technical Committee IST/34, Automatic identification and data capture techniques, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposal
5、s for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement internati
6、onal publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the nece
7、ssary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO/IEC title pag
8、e, pages ii to vi, pages 1 to 44, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.Referencenumber ISO/IEC16023:2000(E) INTERNATIONAL STANDARD ISO/IEC 16023 Firstedition 2000-05-01 InformationtechnologyInternationa
9、l symbologyspecificationMaxiCode Technologies de linformation Spcification internationale des symboles MaxiCodeISO/IEC16023:2000(E) ii ISO/IEC16023:2000(E)iii Contents Introduction.1 1Scope1 2NormativeReferences1 3DefinitionsandMathematicalSymbol s1 3.1 Definitions.1 3.1.1 Codeword1 3.1.2 ExtendedCh
10、annelInterpretation(ECI ).1 3.1.3 ModeIndicator1 3.1.4 Module.2 3.2 MathematicalSymbolsandOperation s.2 4Requirements2 4.1 SymbologyCharacteristic s2 4.1.1 BasicCharacteristic s.2 4.1.2 SummaryofAdditionalFeature s.3 4.2 SymbolDescriptio n.4 4.2.1 SymbolStructur e.4 4.2.2 SymbolCharacterandModuleSeq
11、uenc e5 4.3 GeneralEncodationProcedure s6 4.4 CharacterAssignment s7 4.4.1 CodewordRepresentatio n.7 4.4.2DefaultCharacterInterpretatio n7 4.4.3 CodeSet s.7 4.4.4 SymbologyControlCharacter s8 4.5 UserConsiderationsforEncodingDatainaMaxiCodeSymbo l9 4.5.1 UserSelectionofErrorCorrectionLeve l9 4.5.2 U
12、serSelectionofMod e.9 4.5.3 UserSelectionofExtendedChannelInterpretatio n10 4.5.4 UserSelectionofStructuredAppen d10 4.5.5 UserAssessmentofEncodationCapacit y.10 4.6 ExtendedChannelInterpretatio n.10 4.6.1 ECIandModes2and 3.10 4.6.2 EncodationModesandECI s.10 4.6.3 EncodingECIsinMaxiCod e.11 4.6.4 E
13、CIsandStructuredAppen d.11 4.6.5 PostDecodeProtoco l11 4.7 MessageStructur e.11 4.7.1 PrimaryMessag e.11 4.7.2 SecondaryMessag e.11 4.7.3 StructuringtheDat a.12 4.8 Modes12 4.8.1 Mode0:Obsolet e12 4.8.2 Mode1:Obsolet e12 4.8.3 Modes2and3:StructuredCarrierMessag e.12 4.8.4 Mode4:StandardSymbo l.13 4.
14、8.5 Mode5:FullEE C13 4.8.6 Mode6:ReaderProgrammin g13 4.8.7 ModeIndicator s.13ISO/IEC16023:2000(E) iv 4.9 StructuredAppen d13 4.9.1 BasicPrinciple s.13 4.9.2 StructuredAppendandModes2and 3.13 4.9.3 StructuredAppendinModes4to 6.14 4.9.4 BufferedandUnbufferedOperatio n14 4.10ErrorDetectionandCorrectio
15、 n.14 4.10.1EnhancedErrorCorrection(EEC)inthePrimaryMessag e14 4.10.2ErrorCorrectionintheSecondaryMessag e14 4.10.3GeneratingtheErrorCorrectionCodeword s.14 4.10.4ErrorCorrectionCapacit y.15 4.11Dimensions15 4.11.1SymbolDimension s.15 4.11.2HexagonalModuleDimension s15 4.11.3DarkHexagonDimensionsand
16、Tolerance s16 4.11.4FinderPatternDimension s16 4.11.5QuietZone s.17 4.11.6OverallSymbolSiz e17 4.11.7PracticalPrintingGuidanc e.17 4.12UserGuideline s.17 4.12.1HumanReadableInterpretatio n.17 4.12.2AutodiscriminationCapabilit y.17 4.13SymbolQualit y17 4.13.1ObtainingtheTestImag e17 4.13.2SymbolQuali
17、tyParameter s.17 4.13.3OverallSymbolGrad e.19 4.13.4ProcessControlMeasurement s.19 4.14ReferenceDecodeAlgorith m19 4.15TransmittedDat a.22 4.15.1BasicInterpretatio n.22 4.15.2ProtocolforExtendedChannelInterpretatio n.22 4.15.3SymbologyIdentifie r.22 4.15.4TransmittedDataExampl e23 AnnexeA(Normative)
18、.24 MaxiCodeBasicCharacterEncodation:DefaultCharacterSe t.24 AnnexeB (Normative).26 Mode2andMode3:StructuredCarrierMessag e26 B.1TheStructureofthePrimaryMessag e26 B.2Modes2and3MessagesBeginningwith“)RS01GS “27 B.2.1Encoding27 B.2.2Decoding.27 B.3Modes2and3MessagesNotBeginningwith“)RS01GS “.28 B.3.1
19、Encoding28 B.3.2Decoding.28 B.4Modes2and3andStructuredAppen d.28 B.4.1EncodingConsideration s.28 B.4.2DecodingConsideration s.28 AnnexeC (Normative).29ISO/IEC16023:2000(E)v 2DMatrixBarCodePrintQualityGuidelin e.29 C.1ObtainingtheTestImag e29 C.2AssessingSymbolParameter s.29 C.2.1Decode.29 C.2.2Symbo
20、lContras t30 C.2.3“Print”Growt h.30 C.2.4GridNonuniformit y.30 C.2.5UnusedErrorCorrectio n.31 C.3OverallSymbolGrad e.31 AnnexeD (Normative).31 ErrorCorrectionAlgorith m.31 AnnexeE (Normative).32 SymbologyIdentifier s.32 AnnexeF (Informative)32 UseofNumericShift,Shift,Latch,andLockInCharacter s.32 F.
21、1 NumericShif t32 F.2 SwitchingfromCodeSetAtoCodeSet B.33 F.3 SwitchingfromCodeSetBtoCodeSet A.33 F.4 UsingLockIntoLatchtoCodeSetsC,Dor E.33 F.5 IllustrativeExampl e33 AnnexeG (Informative)34 UserAssessmentofEncodationCapacit y.34 AnnexeH (Informative)35 AMaxiCodeEncodingExampl e.35 AnnexeJ (Informa
22、tive)38 PracticalPrintingConsideration s38 J.1 12dotsperMillimete r.38 J.2 8dotsperMillimete r.39 J.3 GenericRulesforOtherPixelSize s40 J.4 DeterminingtheHexagonFontforaGivenDotPitc h40 AnnexeK (Informative)41 AutodiscriminationCompatibilit y.41 AnnexeL (Informative)42 UsefulProcessControlTechnique
23、s42 L.1 SymbolContras t42 L.2 SymbolSiz e.42 L.2.1CheckingPrintGrowt h42 L.2.2CheckingFinderPositionandOrientationPattern s.42 L.2.3CheckingOverallSymbolSiz e42 L.3 SymbolDistortio n.43 L.4 PrintGrowthandDefect s43ISO/IEC16023:2000(E) vi Foreword ISO(theInternationalOrganizationforStandardization)an
24、dIEC(theInternationalElectrotechnicalCommission) formthespecializedsystemforworldwidestandardization.NationalbodiesthataremembersofISOorIEC participateinthedevelopmentofInternationalStandardsthroughtechnicalcommitteesestablishedbythe respectiveorganizationtodealwithparticularfieldsoftechnicalactivit
25、y.ISOandIECtechnicalcommittees collaborateinfieldsofmutualinterest.Otherinternationalorganizations,governmentalandnon-governmental,in liaisonwithISOandIEC,alsotakepartinthework. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. Inthefieldofinformationtechnolo
26、gy,ISOandIEChaveestablishedajointtechnicalcommittee,ISO/IECJTC1. DraftInternationalStandardsadoptedbythejointtechnicalcommitteearecirculatedtonationalbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthenationalbodiescastingavote. Attentionisdrawntothepossibilitythat
27、someoftheelementsofthisInternationalStandardmaybethesubjectof patentrights.ISOandIECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO/IEC16023waspreparedbyJointTechnicalCommitteeISO/IECJTC1, Information technology, Subcommittee SC 31, Automatic identification
28、and data capture techniques. InternationalStandardISO/IEC16023waspreparedbyAIMInternational(asANSI/AIMBC10)andwasadopted, underaspecial“fast-trackprocedure”,byJointTechnicalCommitteeISO/IECJTC1, Information technology,i n parallelwithitsapprovalbynationalbodiesofISOandIEC. AnnexesAtoEformanormativep
29、artofthisInternationalStandard.AnnexesFtoLareforinformationonly.INTERNATIONAL STANDARD ISO/IEC 16023:2000(E) ISO/IEC 2000 All rights reserved 1 Information technology International symbology specification MaxiCode Introduction MaxiCodeisafixedsizematrixsymbologywhichis madeupofoffsetrowsofhexagonalm
30、odules arrangedaroundauniquefinderpattern. Manufacturersofbarcode equipmentandusers ofthetechnologyrequirepubliclyavailablestandard symbologyspecificationstowhichtheycanrefer whendevelopingequipmentandapplication standards.ThepublicationofSymbology Specificationsisdesignedtoachievethis. 1 Scope This
31、specificationdefinestherequirementsforthe symbologyknownasMaxiCode.Itspecifiesthe MaxiCodesymbologycharacteristics,datacharacter encodation,symbolformats,dimensionsandprint qualityrequirements,errorcorrectionrules, decodingalgorithm,anduserselectableapplication parameters. 2 NormativeRef erences Thi
32、sspecificationincorporatesprovisionsfromother publications.Thesenormativereferencesarecited attheappropriateplacesinthetextandthe publicationsarelistedbelow.Thelatesteditionof thepublicationreferredtoapplies. EN796 BarCoding:SymbologyIdentifiers EN1556 BarCoding:Terminology ANSI X3.182 BarCodePrintQ
33、ualityGuideline (SameasEN1635 BarCoding: TestSpecificationsforBarCode Symbols) ANSI X3.4 CodedCharacterSets7bit AmericanNationalStandardCode forInformationInterchange(7bit ASCII) (equivalenttotheUSnational versionofISO646) ISO3166 CodesfortheRepresentationon NamesofCountries ISO/IEC 88591 Informatio
34、nProcessing8bit SinglebyteCodedGraphic CharacterSetsPart1(Latin AlphabetNumber1) GuidelineonMode0forMaxiCodeAIMUSA ECIAssignmentsDocumentAIMInternational. 3 DefinitionsandMathematical Symbols 3.1 Definitions ForthepurposesofthisStandardthefollowing definitionsinEN1556(Terminology)shallapply: algorit
35、hm,applicationstandard,ASCII, autodiscrimination,binary,bit,CCD,codepage, codeset,datacharacter,datacodeword,data region,dataseparatorcharacter,decode algorithm,decoder,errorcorrection,finder pattern,humanreadablecharacter,latch character,leadingzeros,matrixsymbology, modulo,numeric,omnidirectional,
36、orientation pattern,overhead,padcharacter,pixel,quiet zone,referencedecodealgorithm,Reed Solomonerrorcorrection,scanner,shift characters,structuredappend,symbolcharacter, symbology,symbologyidentifier,Xdimension Thefollowingdefinitionsalsoapplytothis specification.Althoughsomeofthetermsbeloware defi
37、nedinEN1556,thedefinitionswhichfollow belowaremoreappropriateforthisspecification. 3.1.1 Codeword Asymbolcharactervalue.Anintermediatelevelof codingbetweensourcedataandthegraphical encodationinthesymbol. 3.1.2 ExtendedChannelInterpretation(ECI) Aprotocolusedbysomesymbologiesthatallows theoutputdatas
38、treamtohaveinterpretationsother thanthatofthedefaultcharacterset. 3.1.3 ModeIndicator Agroupofmodules,inMaxiCode,usedtodefine thesymbolstructure,forexampletospecifythelevel oferrorcorrectionemployedinthesymbol.ISO/IEC16023:2000(E) 2 3.1.4 Module Asinglecellinamatrixsymbologyusedtoencode onebitofdata
39、.InMaxiCodethemoduleisaregular hexagonalshape. 3.2 MathematicalSymbolsandOperations Forthepurposesofthisspecificationthe mathematicalsymbolswhichfollowshallapply: c codeword H verticaldistancefromthecenterofamodule inthetoprowtothecenterofamoduleinthe bottomrow L distancefromthecenteroftheleftmost m
40、oduletothecenteroftherightmost moduleinthetoprow m messagecharacter n totalnumberofdatacodewords s symbolcharacter V verticalheightofamodule Wcentertocenterdistancebetweenadjacent modules X horizontalwidthofamodule Y verticaldistancefromthecenterlineof modulesinonerowtothecenterlineof modulesinanadj
41、acentrow Forthepurposesofthisspecificationthe mathematicaloperationswhichfollowshallapply: div istheintegerdivisionoperator modistheintegerremainderafterdivision 4 Requirements 4.1 SymbologyCharacteristics 4.1.1 BasicCharacteristics MaxiCodeisamatrixsymbologywiththefollowing basiccharacteristics: a.
42、Encodablecharacterset: 1.Thedefaultcharactersetallows256 internationalcharacterstobeencoded: i.values0127,inaccordancewithANSI X3.4,i.e.all128ASCIIcharacters ii.values128255inaccordancewithISO 88591:LatinAlphabetNo.1 2.Numericcompactionallows9digitstobe compactedinsixcodewords. 3.Varioussymbologycon
43、trolcharacters,for codeswitchingandothercontrolpurposes, areincluded. b.Codewordset: 1.Thecodewordsetof64(2 6 )valuesisused asanintermediateencodationlayer betweenthedatacharactersandsymbol characters.Thecodewordsformthebasis forerrorcorrectioncalculations. 2.Thecodewordshavethevalues063; 000000to11
44、1111inbinarynotation. Withineachsymbolcharacterthemost significantbitisthelowestnumbered moduleasshowninFigures1and5. c.RepresentationofcodewordsinaMaxiCode symbol: 1.Eachcodewordisrepresentedby6modules whicharehexagonalinshape. 2.Informationisrepresentedineachmodule asabinarybit.Adarkmoduleisaonean
45、d alightmoduleisazero. 3.Generallythesixmodulesarearrangedin threerowsoftwomodules,eachordered fromupperrighttolowerleft.Figure1 identifiesthemodulesofatypicalsymbol character. 4. BecauseofthestructureoftheMaxiCode symbol,symbolcharacters19and137 144haveadifferentarrangement(See Figure4).ISO/IEC1602
46、3:2000(E)3 2 34 5 5 43 1 MSB 2 6 LSB 1 MSB 6 LSB Figure1:TypicalSymbolCharacterofa MaxiCodeSymbol LSB=LeastSignificantBit MSB=MostSignificantBit d.Symbolsize: 1.EachMaxiCodesymbolisofafixedsize, having884hexagonalmodulesarrangedin 33rowsaroundacentralfinderpattern. Eachrowconsistsofamaximumof30 modules. 2.Eachsymbol
