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PDF417 is a stacked linear barcode format used in a variety of applications such as transport, identification cards, and inventory management. "PDF" stands for Portable Data File. The "417" signifies that each pattern in the code consists of 4 bars and spaces in a pattern that is 17 units (modules) long.
A UPC barcode. The Universal Product Code (UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores.. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an "odd" parity form, which enables ...
MicroPDF417 barcode symbol consists from at least two Row Address Patterns (RAP) columns which are used to detect row numbers and aligned to them Data Columns. [12] MicroPDF417 barcode symbol has four versions with 1, 2, 3 and 4 data columns. The barcode can be split to the following elements: [3]: 5.2.3 Quiet zone; Left RAP column
In 1973, the Universal Product Code (UPC) was selected by this group as the first single standard for unique product identification. In 1974, the Uniform Code Council (UCC) was founded to administer the standard. [1] On 26 June 1974, a pack of Wrigley's chewing gum became the first ever product with a barcode to be scanned in a shop. [1] [3]
These barcodes only represent the digits 0–9, unlike some other barcode symbologies which can represent additional characters. The most commonly used EAN standard is the thirteen-digit EAN-13 , a superset of the original 12-digit Universal Product Code (UPC-A) standard developed in 1970 by George J. Laurer . [ 1 ]
When a product is in a warehouse or store, it can be tracked via its barcode and/or other tracking criteria, such as serial number, lot number or revision number.Systems for Business, Encyclopedia of Business, 2nd ed. Nowadays, inventory management software often utilizes barcode, radio-frequency identification (RFID), and/or wireless tracking technology.
The Electronic Product Code (EPC) is designed as a universal identifier (using an idiosyncratic numerical code for each different commodity [1]) that provides a unique identity for every physical object anywhere in the world, for all time.
The barcode scheme does not contain a check digit (in contrast to—for instance—Code 128), but it can be considered self-checking on the grounds that a single erroneously interpreted bar cannot generate another valid character. Possibly the most serious drawback of Code 39 is its low data density: It requires more space to encode data in ...
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