2023学年完整公开课版Othercommonbarcodes

Othercommonbarcodes其他常见的条码7.1BarCodeTechnologyanditsapplicationCONTENTS目

录02Code39码Code3903库德巴条码Codabarcode01交叉25码Interleaved25code交叉25码Interleaved25code01交插二五条码是一种条、空均表示信息的连续型、非定长、具有自校验功能的双向条码。它的字符集为数字字符0～9。下图是表示“3185”的交插二五条码的结构。Theinterleaved25barcodeisacontinuous,ofnon-fixedlength,andself-checkingbidirectionalbarcodewithbarsandspacesindicatinginformation.Itscharactersetisnumericcharacters0-9.Thefigurebelowshowsthestructureoftheinterleaved25barcodesof"3185".1、交叉25码Interleaved25code起始符startcharacter38终止符stopcharacter151、交叉25码Interleaved25code交插二五码由左侧空白区、起始符、数据符、终止符及右侧空白区构成。它的每一个条码数据符由5个单元组成，其中两个是宽单元（表示二进制的“1”）,三个窄单元(表示二进制的“0”)。条码符号从左到右，表示奇数位数字符的条码数据符由条组成，表示偶数位数字符的条码数据符由空组成。Theinterleavedtwo-fivecodesarecomposedoftheleftblankarea,thestartcharacter,thedatacharacter,thestopcharacterandtherightblankarea.Eachbarcodedatasymboliscomposedof5units,twoofwhicharewideunits(representingbinary“1”)andthreearenarrowunits(representingbinary“0”).Thebarcodesymbolsarefromthelefttotheright,withthebarcodedatacharactersrepresentingodd-numberedcharacterscomposedofbars,andthebarcodedatacharactersrepresentingeven-numberedcharacterscomposedofblanks.21起始符startcharacter05终止符stopcharacter1、交叉25码Interleaved25code组成条码符号的条码字符个数为偶数。个数为奇数时，应在字符串左端添0.如下图所示。Thenumberofbarcodecharactersthatmakeupthebarcodesymbolisanevennumber.Whenthenumberisodd,0shouldbeaddedtotheleftendofthestring,asshowninthepicturebelow.Code39码Code390239条码（code39）是于1975年由美国的Intermec公司研制的一种条码。它能够对数字、英文字母及其他字符等44个字符进行编码。由于它具有自检验功能，使得39条码具有误读率低等优点，首先在美国国防部得到应用，目前广泛应用在汽车行业、材料管理、经济管理、医疗卫生和邮政、储运单元等领域。The39barcode(code39)isabarcodedevelopedbyIntermecintheUnitedStatesin1975.Itcanencode44characterssuchasnumbers,Englishlettersandothercharacters.Becauseofitsself-checkingfunction,the39barcodehastheadvantagesoflowmisreadingrate.ItwasfirstappliedintheUSDepartmentofDefenseandiscurrentlywidelyusedintheautomotiveindustry,materialmanagement,economicmanagement,medicalandhealth,postalservices,storageandtransportationunitsandotherfields.2、Code39码Code39我国于1991年研究制定了39条码标准（GB/T12908-2002），推荐在运输、仓储、工业生产线、图书情报、医疗卫生等领域应用39条码。In1991,Chinaformulatedthe39barcodestandard(GB/T12908-2002).Itisrecommendedtouse39barcodesintransportation,storage,industrialproductionlines,libraryinformation,medicalandhealthandotherfields.39条码是一种条、空均表示信息的非连续型、非定长、具有自校验功能的双向条码。The39barcodeisanon-continuous,ofnon-fixed-length,bi-directionalbarcodewithself-checkingfunction.2、Code39码Code39Code39码计算方法Code39calculationmethod通过查表，得到每一个数据字符相应的字符值。计算出所有数据字符值的总和。将数值的总和除以43。步骤（3）所得的余数值在表8-3中查对应的字符就是符号校验字符。译码器可以输出43模数的符号校验字符。Bylookingupthetable,getthecharactervaluecorrespondingtoeachdatacharacter.Calculatethesumofalldatacharactervalues.Dividethesumofthevaluesby43.Thesymbolcheckcharacteristhecharacterfoundbycheckingthecorrespondingcharacteroftheremaindervalueobtainedinstep(3)inTable8-3.Thedecodercanoutput43modulussymbolcheckcharacters.2、Code39码Code3939码可以包含数字及英文字母。除了超市、零售业的应用中使用UPC/EAN码外，几乎在其他饿应用环境中，都是使用39码。39码是目前使用最广泛的条码规格，支持39码的软硬件设备也最齐全。Code39cancontainnumbersandEnglishletters.ExceptforUPC/EANcodesusedinsupermarketsandretailapplications,39codesareusedinalmostotherenvironmentsforbarcodeapplications.Code39iscurrentlythemostwidelyusedbarcodespecification,andthesoftwareandhardwaredevicesthatsupportcode39arealsothemostcomplete.2、Code39码Code39Code93码校验码Code93verificationcode找到输入字符串每个字符对应值，求和，除以43，取余数。Findthecorrespondingvalueofeachcharacterintheinputstring,sumitup,divideby43,andtaketheremainder.字符character012345678值value012345678字符character9ABCDEFGH值value91011121314151617字符characterIJKLMNOPQ值value181920212223242526字符characterRSTUVWXYZ值value272829303132333435字符character--SPACE$/+%值value363738394041422、Code39码Code39StartCharQuitZone“1”“A”StartCharQuitZone2、Code39码Code39库德巴条码Codabarcode03库德巴条码是1972年研制出来的。它广泛应用于医疗卫生和图书馆行业，也用于邮政快件上。美国输血协会还将库德巴条码规定为血袋标识的代码，以确保操作准确，保护人类生命安全。TheCodabarbarcodewasdevelopedin1972.Itiswidelyusedinthemedicalandhealthandlibraryindustries,aswellasinpostalexpressmail.TheAmericanBloodTransfusionAssociationalsostipulatestheCodebarcodeasthecodefortheidentificationofbloodbagstoensureaccurateoperationandprotecthumanlifesecurity.3、库德巴条码Codabarcode我国于1991年研究制定了库德巴条码国家标准（GB/T12909-1991）。In1991,ChinaresearchedandformulatedtheCodabarBarcodeNationalStandard(GB/T12909-1991).库德巴条码是一种条、空均表示信息的非连续型、非定长、具有自校验功能的双向条码。它由条码字符及对应的供人识别字符组成。TheCodabarcodeisanon-continuous,ofnon-fixedlength,andself-checkingbidirectionalbarcodewithbothbarsandspacesindicatinginformation.Itiscomposedofbarcodecharactersandcorrespondingcharactersforhumanidentification.A123456789A12345678B3、库德巴条码CodabarcodecharacterBarcodesymbolBinaryrepresentat