What is the use of a bar code number other than providing a unique code?
What is the use of a bar code number other than providing a unique code?
Best answer:
The bar code number provides an unique identifier for each product so when scanned a correct price can be shown at the cash register. The actual number is used for ordering and identifying purposes. I hope this helps you. Good luck
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1 Comment for What is the use of a bar code number other than providing a unique code?
1. Atheneum | June 16th, 2007 at 9:51 am
This series of numbers is known as the UPC number. The UPC code contains no other information than this UPC number. In short, the UPC bar code is a 12-digit unique code for your product represented by scannable bars in a way that a bar code scanner can read.
Bar code scanners, as you will know them from your favorite retailers, read the bars and convert them back to the 12-digit UPC number that they represent. This number is then looked up within the retailer’s inventory system to find the corresponding product name and price that you provided this retailer with when you signed your agreements for them to carry your product. This information is sent back to the register and it rings up the item. If the bar code did not scan properly then the cashier simply enters the UPC number (from below the bars) manually into the register.
In the past, UPC bar codes consisted of a number system character, a manufacturer’s number, a product number, and a check digit. The first six digits of a UPC bar code were referred to as the manufacturing number that always remained constant on all of a company’s products. The manufacturing number was followed by a five digit product number that is unique to each product. The 12th digit was a mathematically calculated digit, called a check digit.
That system in its original form was abandoned some time ago. Currently, it is no longer possible to look at any given UPC and determine which portion of the 12 digit number is a fixed manufacturer’s number and which portion is a product number.
Why is this?
The first reason is variable length prefixing. GS1 changed its business model and began issuing 7-digit, 8-digit, and even 9-digit manufacturer’s prefixes in addition to the original 6-digit manufacturer’s number. The result of this, however, is that it is no longer possible to look at any given UPC code and break it up into a manufacturer’s prefix and product ID number.
The second reason is that GS1 even leased single UPC numbers for a short time in 2008 – a program they’ve since discontinued in the U.S. but still offer in other GS1 member country organizations. Since these single UPC codes do not technically have a prefix, today, Universal Product Codes need to be taken as the whole unique 12-digit number which is then associated with your product/company information.
The last digit in the UPC bar code is still known as the check digit. This digit is mathematically calculated with a five-part equation based on the first 11 digits. Please see our check digit page at upccode.net/upc_check.html if you are curious how this is done.
Hope this helps!
Your friends at Simply Barcodes
UPCcode.net
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