Friday, June 26, 1974 was a day that would forever change the way POS was done. While the barcode had been in developmental stages for years before, it was not until this fated day that a supermarket in Troy, Ohio sold a pack of Wrigley’s Juicy fruit gum using an official UPC code and barcode scanner.
Prior to the barcode, there was no universal system for assigning products, and each company had their own system, leading to an error rate of about 1/300 characters, as opposed to 1/36,000,000,000,000 with barcode scanners. Today, UPC barcodes are scanned more than 10 billion times a day, across 25 different industries. The advent of the barcode produced significant economic and productivity benefits for both shoppers, retailers, and manufacturers alike.
To Know about the barcode history, see this blog post –> http://blog.barcoding.com/2009/01/history-of-barcodes/
What Is Barcode?
A barcode is an optical machine-readable representation of data, which shows certain data on certain products. Originally, barcodes represented data in the widths (lines) and the spacings of parallel lines, and may be referred to as linear or 1D (1 dimensional) barcodes or symbologies. They also come in patterns of squares, dots, hexagons and other geometric patterns within images termed 2D (2 dimensional) matrix codes or symbologies. Although 2D systems use symbols other than bars, they are generally referred to as barcodes as well. Barcodes can be read by optical scanners called barcode readers, or scanned from an image by special software.
The first use of barcodes was to label railroad cars, but they were not commercially successful until they were used to automate supermarket checkout systems, a task in which they have become almost universal. Their use has spread to many other roles as well, tasks that are generically referred to as Auto ID Data Capture (AIDC). Other systems are attempting to make inroads in the AIDC market, but the simplicity, universality and low cost of barcodes has limited the role of these other systems. It costs 0.5¢ (U.S.) to implement a barcode, while passive RFID still costs about 7¢ to 30¢ per tag.
Source : www.barcodingblog.com
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