In 1948, Bernard Silver, a graduate student at Drexel Institute of Technology in Philadelphia, Pennsylvania, US overheard the president of the local food chain, Food Fair, asking one of the deans to research a system to … See more

In 1981, the United States Department of Defense adopted the use of Code 39 for marking all products sold to the United States military. This system, Logistics Applications of Automated Marking and Reading Symbols (LOGMARS), is still used by DoD and is … See more

The earliest, and still the cheapest, barcode scanners are built from a fixed light and a single photosensor that is manually moved across the barcode. Barcode scanners … See more

In point-of-sale management, barcode systems can provide detailed up-to-date information on the business, accelerating decisions and with more confidence. For example:
• Fast-selling items can be identified quickly and … See more

Barcodes are widely used around the world in many contexts. In stores, UPC barcodes are pre-printed on most items other than fresh … See more

The mapping between messages and barcodes is called a symbology. The specification of a symbology includes the encoding of the … See more

It is common for producers and users of bar codes to have a quality management system which includes verification and validation of bar codes. Barcode verification … See more