2023學(xué)年完整公開課版Othercommonbarcodes

Othercommonbarcodes其他常見的條碼7.1BarCodeTechnologyanditsapplicationCONTENTS目

錄02Code39碼Code3903庫德巴條碼Codabarcode01交叉25碼Interleaved25code交叉25碼Interleaved25code01交插二五條碼是一種條、空均表示信息的連續(xù)型、非定長、具有自校驗功能的雙向條碼。它的字符集為數(shù)字字符0～9。下圖是表示“3185”的交插二五條碼的結(jié)構(gòu)。Theinterleaved25barcodeisacontinuous,ofnon-fixedlength,andself-checkingbidirectionalbarcodewithbarsandspacesindicatinginformation.Itscharactersetisnumericcharacters0-9.Thefigurebelowshowsthestructureoftheinterleaved25barcodesof"3185".1、交叉25碼Interleaved25code起始符startcharacter38終止符stopcharacter151、交叉25碼Interleaved25code交插二五碼由左側(cè)空白區(qū)、起始符、數(shù)據(jù)符、終止符及右側(cè)空白區(qū)構(gòu)成。它的每一個條碼數(shù)據(jù)符由5個單元組成，其中兩個是寬單元（表示二進(jìn)制的“1”）,三個窄單元(表示二進(jìn)制的“0”)。條碼符號從左到右，表示奇數(shù)位數(shù)字符的條碼數(shù)據(jù)符由條組成，表示偶數(shù)位數(shù)字符的條碼數(shù)據(jù)符由空組成。Theinterleavedtwo-fivecodesarecomposedoftheleftblankarea,thestartcharacter,thedatacharacter,thestopcharacterandtherightblankarea.Eachbarcodedatasymboliscomposedof5units,twoofwhicharewideunits(representingbinary“1”)andthreearenarrowunits(representingbinary“0”).Thebarcodesymbolsarefromthelefttotheright,withthebarcodedatacharactersrepresentingodd-numberedcharacterscomposedofbars,andthebarcodedatacharactersrepresentingeven-numberedcharacterscomposedofblanks.21起始符startcharacter05終止符stopcharacter1、交叉25碼Interleaved25code組成條碼符號的條碼字符個數(shù)為偶數(shù)。個數(shù)為奇數(shù)時，應(yīng)在字符串左端添0.如下圖所示。Thenumberofbarcodecharactersthatmakeupthebarcodesymbolisanevennumber.Whenthenumberisodd,0shouldbeaddedtotheleftendofthestring,asshowninthepicturebelow.Code39碼Code390239條碼（code39）是于1975年由美國的Intermec公司研制的一種條碼。它能夠?qū)?shù)字、英文字母及其他字符等44個字符進(jìn)行編碼。由于它具有自檢驗功能，使得39條碼具有誤讀率低等優(yōu)點，首先在美國國防部得到應(yīng)用，目前廣泛應(yīng)用在汽車行業(yè)、材料管理、經(jīng)濟管理、醫(yī)療衛(wèi)生和郵政、儲運單元等領(lǐng)域。The39barcode(code39)isabarcodedevelopedbyIntermecintheUnitedStatesin1975.Itcanencode44characterssuchasnumbers,Englishlettersandothercharacters.Becauseofitsself-checkingfunction,the39barcodehastheadvantagesoflowmisreadingrate.ItwasfirstappliedintheUSDepartmentofDefenseandiscurrentlywidelyusedintheautomotiveindustry,materialmanagement,economicmanagement,medicalandhealth,postalservices,storageandtransportationunitsandotherfields.2、Code39碼Code39我國于1991年研究制定了39條碼標(biāo)準(zhǔn)（GB/T12908-2002），推薦在運輸、倉儲、工業(yè)生產(chǎn)線、圖書情報、醫(yī)療衛(wèi)生等領(lǐng)域應(yīng)用39條碼。In1991,Chinaformulatedthe39barcodestandard(GB/T12908-2002).Itisrecommendedtouse39barcodesintransportation,storage,industrialproductionlines,libraryinformation,medicalandhealthandotherfields.39條碼是一種條、空均表示信息的非連續(xù)型、非定長、具有自校驗功能的雙向條碼。The39barcodeisanon-continuous,ofnon-fixed-length,bi-directionalbarcodewithself-checkingfunction.2、Code39碼Code39Code39碼計算方法Code39calculationmethod通過查表，得到每一個數(shù)據(jù)字符相應(yīng)的字符值。計算出所有數(shù)據(jù)字符值的總和。將數(shù)值的總和除以43。步驟（3）所得的余數(shù)值在表8-3中查對應(yīng)的字符就是符號校驗字符。譯碼器可以輸出43模數(shù)的符號校驗字符。Bylookingupthetable,getthecharactervaluecorrespondingtoeachdatacharacter.Calculatethesumofalldatacharactervalues.Dividethesumofthevaluesby43.Thesymbolcheckcharacteristhecharacterfoundbycheckingthecorrespondingcharacteroftheremaindervalueobtainedinstep(3)inTable8-3.Thedecodercanoutput43modulussymbolcheckcharacters.2、Code39碼Code3939碼可以包含數(shù)字及英文字母。除了超市、零售業(yè)的應(yīng)用中使用UPC/EAN碼外，幾乎在其他餓應(yīng)用環(huán)境中，都是使用39碼。39碼是目前使用最廣泛的條碼規(guī)格，支持39碼的軟硬件設(shè)備也最齊全。Code39cancontainnumbersandEnglishletters.ExceptforUPC/EANcodesusedinsupermarketsandretailapplications,39codesareusedinalmostotherenvironmentsforbarcodeapplications.Code39iscurrentlythemostwidelyusedbarcodespecification,andthesoftwareandhardwaredevicesthatsupportcode39arealsothemostcomplete.2、Code39碼Code39Code93碼校驗碼Code93verificationcode找到輸入字符串每個字符對應(yīng)值，求和，除以43，取余數(shù)。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碼Code39StartCharQuitZone“1”“A”StartCharQuitZone2、Code39碼Code39庫德巴條碼Codabarcode03庫德巴條碼是1972年研制出來的。它廣泛應(yīng)用于醫(yī)療衛(wèi)生和圖書館行業(yè)，也用于郵政快件上。美國輸血協(xié)會還將庫德巴條碼規(guī)定為血袋標(biāo)識的代碼，以確保操作準(zhǔn)確，保護(hù)人類生命安全。TheCodabarbarcodewasdevelopedin1972.Itiswidelyusedinthemedicalandhealthandlibraryindustries,aswellasinpostalexpressmail.TheAmericanBloodTransfusionAssociationalsostipulatestheCodebarcodeasthecodefortheidentificationofbloodbagstoensureaccurateoperationandprotecthumanlifesecurity.3、庫德巴條碼Codabarcode我國于1991年研究制定了庫德巴條碼國家標(biāo)準(zhǔn)（GB/T12909-1991）。In1991,ChinaresearchedandformulatedtheCodabarBarcodeNationalStandard(GB/T12909-1991).庫德巴條碼是一種條、空均表示信息的非連續(xù)型、非定長、具有自校驗功能的雙向條碼。它由條碼字符及對應(yīng)的供人識別字符組成。TheCodabarcodeisanon-continuous,ofnon-fixedlength,andself-checkingbidirectionalbarcodewithbothbarsandspacesindicatinginformation.Itiscomposedofbarcodecharactersandcorrespondingcharactersforhumanidentification.A123456789A12345678B3、庫德巴條碼CodabarcodecharacterBarcodesymbolBinaryrepresentat