October 2013

QR Code. History and Purpose.

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QR Code QR code is an abbreviation for quick response code. It is a type of 2-D barcode (also known as matrix barcode). Unlike 1-d barcode, QR codes can encode wide variety of data types, including numeric, alphabets, special characters and binary data as well. QR code consists of a set of square dots arranged

Aztec Barcodes. Advantages, Limitations and Usage.

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read the first part here Advantages • Can encode all the 256 ASCII and extended ASCII characters.• High density barcode can encode large amount of data in small barcode.• As is the case with other 2-D barcodes. Aztec has extremely high damage tolerance capability; therefore a damage Aztec code can also be read unlike 1-D

Aztec Barcode. History and Purpose

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Aztec Barcode Aztec Barcode is a high density, high capacity barcode. It is a type of 2-D barcodes. Aztec code is able to encode ASCII as well as Extended ASCII characters. Aztec barcode consist of black and white square modules like other 2-D barcodes. Aztec code can encode modules in the range from 15 x

UPC-A and UPC-E. Purpose, Advantages, Limitations and Usage.

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read the first part here Purpose It is one of the oldest and most widely used barcodes. The purpose of developing UPC was to develop such a shopping or buying system where salesperson does not have to manually enter the information of a product in the database. This saves time and minimizes human error unlike

UPC-A and UPC-E. History.

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UPC-A and UPC-E UPC stands for Universal Product Code. It is type of linear barcodes and mostly widely used for retail applications.There are two variations of UPC• UPC-A• UPC-E UPC-A UPC-A is a variation of UPC and uses 12 digits for information encoding. Out of these 12 digits, 11 digits contain the product information while

Data Matrix

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Data Matrix Data Matrix is a type of 2-D barcode with very high data density and can encode large amount of data. Data Matrix consists of random sequence of black and white pairs. Data matrix code type can encode text, as well as raw data. The range of the data encoded by Data matrix usually


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PDF417 PDF417 is a 2-d barcode type with high density and data encoding capability. It can encode huge amount large amount of data. PDF417 actually consists of set of linear codes stacked together to give a 2-d outlook. It is has been named PDF417 because it consists 4 bars along with white spaces, where each

2-D Barcodes

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read the previous parts here and here 2-D Barcodes 2-D barcodes are more complex and store data in the form of a matrix or stack. Stacked 2-D barcodes contain data in the form stacks of linear barcodes whereas matrix 2-D barcodes store data in the form of hexagonal, square or circular cells. They can store