二维码介绍课件.ppt

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1、2DimensionalSymbolsStackedMatrixWhat2DSymbolsCanDoSmallSpaceRequirementsHigherDataCapacityPortableDataFileOmnidirectionalCapabilityDataRecoveryfromLabelDamageSecurity2DStackedSymbolsPDF4173-90rows&30columns,datacapacity:1,850textcharactersor2,710numericCode49,Code16K(Approx.50chars

2、.)2-8rows(Code49)Upto16rows(16K)2DStackedSymbolConsiderationsCanbeScannedWithLasers,CCDsorImagersOfferHigherDataCapacityThan1DCodesOfferLessDataCapacityThanMatrixCodesMoreAreaEfficientThan1DbutLessThanMatrixCodes2DMatrixSymbolsMaxiCodeDataMatrixAztecCodeCodeOneQRCodeDataMatrixSymbo

3、lsIDMatrix:‘899Rowsby9Columnsupto144by144DataCapacity:2,335textor3,116numericSquareorRectangularConfigurationFixedLevelsofErrorCorrectionQuietZoneofoneModuleRequiredECC-200forNewApplicationsMaxiCodeSymbolsUPS:‘87Fixedsize,approx..1”squareDataCapacity:93textor138numericTwoLevelsofEr

4、rorCorrectionQuietZoneofoneModuleRequiredAlways35milAztecCodeWelchAllyn:‘9515rowsby15columnsupto151by151DataCapacity:3,067textor3832numericErrorCorrectionUserSelectableNoQuietZoneRequiredQRCodeDenso:‘94DataCapacity:4,296textor7,089numericFourLevelsofErrorCorrectionQuietZoneofFourMo

5、dulesRequiredModel2forNewApplicationsCodeOneLaserlight:‘91DataCapacity2,218textor3550numericFixedLevelsofErrorCorrectionNoQuietZoneRequired2DMatrixSymbolConsiderationsRequireImagerstoScanHigherDataCapacityThan1DCodesHigherDataCapacityThanStackedCodesMoreAreaEfficientThan1DorStacked

6、CodesLessQuietZoneRequired2DSymbolSizeComparisonAllsymbolshave100characterswithroughlythesameX-dimensionApplicationsfor2DSymbolsSmallCodes(<.75inches)HighCapacityRequirements(>50Characters)WhenSymbolNeedstoCaptureallRelevantInformationToReduceFraudToProtectDataIntegrityDataSecurity

7、ErrorCorrectionErrorDetectionEncryptionWhere2DMatrixSymbolsAreUsedSmallitemtrackingSmallPartMarkingandTrackingElectronicComponentMarkingPharmaceuticalandSpecimenIdentificationWhereStackedSymbolsAreUsedReplaceExistingMulti-BarCodeShipmentLabelsPersonalIdentificationCardsMarkingImpor

8、tantDocumentsMSDSSheetInfo