UPC A Barcode
UPC-A is linear barcode symbology and was develop on April 3, 1973 for identifying products in departmental stores. Universal Product Code was easily recognized as standards code by UPC to mark goods and well known by other name UPC Symbol, GTIN-12, UPC-A Supplement 2/Two-digit-Add-On, UPC-A+5, UPC-A+2, Supplement 5/Five-digit Add-On, etc.
UPC-A structure is defined by number system, manufacturer code, product code, and check digit.
Number System is printed on the left side of barcode symbol.
Manufacturer Code is printed just below barcode symbol.
Product code is made up of five digits, assigned by manufacturer which is printed below barcode symbol.
Check digit is implemented whether barcode is correctly scanned or not.
Moreover, it is combination of distinct element such as start guard bars, six digits (left halves), center guard bars (right halve), stop guard bars.
UPC-A is used in distinct countries like North America, Canada, United States for tracking departmental stores products and other product like newspapers, toys, drugs, tickets