POSTNET SYMBOLOGY INTRODUCTION The POSTNET (Postal Numeric Encoding Technique) barcode was invented by US Postal Office to encode ZIP information. Having your letter printing system POSTNET capable enables you to receive a discount on the postage. The POSTNET barcode can represent a five-digit ZIP Code( 32 bars),a nine-digit ZIP+4 code(52 bars), or an eleven-digit delivery […]

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PDF417, or Portable Data File 417, is a two-dimensional stacked bar code symbology capable of encoding over a kilobyte of data per label. This is important for applications where a bar code must be more than merely an identifier such as an index to reference a database. The portable data file approach is well suited […]

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DataMatrix is a two-dimensional barcode which can store from 1 to about 2,000 characters. The symbol is square and can range from 0.001 inch per side up to 14 inches per side. As an example of density, 500 numeric only characters can be encoded in a 1-inch square using a 24-pin dot matrix printer. The […]

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EAN-13 SYMBOLOGY INTRODUCTION EAN-13, based upon the UPC-A standard, was implemented by the International Article Numbering Association (EAN) in Europe.EAN-13 is a superset of UPC-A.EAN-13 encodes 12 digits of numeric (0 through 9) message data along with a trailing check digit, for a total of 13 digits of barcode data. An EAN-13 barcode number structure: […]

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CODE 128 INTRODUCTION Code 128 is a alphanumeric symbology. Code 128 symbology must include a checksum digit. Code 128 has three character Set: A,B,C. Three different start characters tell the reader the character set used in the following encoding, and three shift codes permits changing character set inside the symbol. From the table below, we can […]

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CODE 11 SYMBOLOGY INTRODUCTION Code 11 only can encode numeric data(0 to 9),the dash symbol(-). It is also known as USD-8, was developed as a high-density numeric-only symbology. It is used primarily in labeling telecommunications equipment.Code 11 uses one or two weighted checksum digits. Normally if the length of the message is less than 10 […]

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Code 39 Introduction Code 39 is an alphanumeric bar code. It is a discrete, variable-length symbology. It is still widely used-especially in inventory and industrial applications. It is the standard bar code used by the United States Department of Defense, and is also used by the Health Industry Bar Code Council (HIBCC). It is designed […]

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