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QR Code. Usage
Usage • Used for document management, tracking products and time, inventory management, item identification and marketing purposes. • Widely used in automotive companies in Japan. • Business cards often contain QR codes inscribed on them which may contain related information to the websites or the links to the resume of a person. • QR code enabled scavenger hunt was introduced by Starbucks for promotion purposes which contained information regarding the hints encoded in the QR [...]
read the first part hereAdvantages• Can be scanned using a smartphone or any other phone with scanning capability.• QR codes are versatile, the can encode almost all types of data e.g. numeric, alphabets, special and binary.• Extremely fast scanning.• Like other 2-d barcodes, QR code has good fault tolerance. Even if some part of the code is damaged, information can still be decoded from the code.• Stores large amount of information unlike 1-d barcodes.Limitations• Smart [...]
QR Code. History and Purpose.
QR CodeQR 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 in a square grid pattern with white back ground. The square dots are randomly arranged in order to encode information.HistoryQR code was [...]
Aztec Barcodes. Advantages, Limitations and Usage.
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 barcodes. • Self-error checking and correction capability. Limitations • Cannot be scanned with simple scanning devices. Needs complex [...]
Data MatrixData 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 lies between few bytes up to 2 kilobytes. With this data storage space, approximately 2,335 alphanumeric characters can be encoded by [...]
read the first part hereLimitations• It is not suitable for items which require large amount of information to be encoded. In that case, length of the code 39 barcode becomes too large which is not appropriate for encoding as well as decoding.• Code 39 barcode can be easily damaged and distorted like any linear barcode.Usage• Code 39 is commonly used in store items, inventories, badges and similar everyday items.• It is widely used in health [...]
Code 39 – History, Purposes and Advantages
Code 39 Code 39 is one of the most widely and commonly used barcode type. It is a linear or 1d barcode and is also known as USS code 39, code 3 of 9, Alpha 39, USD-3, and Type 39. Code 39 is capable of encoding all the alphanumeric characters (26 Alphabets and 10 numeric characters ranging from 0 to 9).  It can also encode space and six special characters including dollar sign ($), Period [...]