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Barcodes

Barcodes, and the laser scanners that read them, make it possible to keep track of millions of packages, groceries and railroad cars. New uses are continually being added. Questions and answers about the uses, history and technology of bar codes belong here.

659 Questions

What is in a barcode?

A barcode contains the ID number of the product, which can be used by cash registers to gather information from the server such as it's price, and name.

What do the numbers under bar codes mean?

http://www.associatedcontent.com/article/1824191/what_upc_barcode_numbers_mean.html?cat=3 The UPC, or Universal Product Code, barcode is a method of marking consumer products so that they may be identified easily. Most UPC barcodes, called version A, and have twelve numbers. However, there are other versions such as the UPC version E with only eight digits, and the ISBN-13 version with thirteen numbers used for books. There are also other barcode systems such as EAN-13 and EAN-8 that are used outside the U.S. But the UPC version A barcode is the most common. What do the numbers in the UPC version A barcode mean? There have been rumors circulating recently stating that the first the digits of any UPC barcode represents the country where the item was made. Many internet users have received emails regarding this. The emails usually also give a listing of three digit numbers and their corresponding country. These emails are generally not from spammers, but from friends or relatives relaying this information with good intentions. Since many American consumers do not want to buy products from certain foreign countries, this seemed like a great way to tell where the product was from. Believing the three digit story in the emails, American consumers who wanted to buy only American products, had, it seemed, a way of assuring the origin of a product. And they could avoid buying products from countries that sell inferior products, have no laws regulating food processing and use processing methods that are illegal in the U.S. However, the three digit story is untrue. The senders of these emails were misinformed and those who received them were unintentionally misled. The first three digits of the UPC barcode does not represent the country where the product was made. So what do those numbers really mean? The first number represents the type of product. For example, a zero indicates regular UPC codes, a three means that it is an item that needs to be weighed at the store, and a four is used for drug and health type items. The next five numbers are the manufacturer's identification number. This is assigned to the manufacturer or the distributor of the item by the UCC Council, the organization that coordinates barcode standards. The next five numbers are the manufacturer's or distributor's item number for that individual product and is assigned by the manufacturer or distributor. The last number, called the check digit, is the most interesting number of the barcode. It is gotten by a calculation using the other eleven numbers of the code. For example, the UPC barcode pictured with this article is 073435000068. We can determine what the 8 represents by the following: First the numbers that are in the odd positions are added together. In this example 0 + 3 + 3 + 0 + 0 + 6 = 12. The sum is then multiplied by three, 12 x 3 = 36. Then the numbers that are in the even positions are added together. In this example 7 + 4 + 5 + 0 + 0 = 16. The two numbers are then added together. In this example 36 + 16 = 52. Then we determine what number when added to 52 becomes a multiple of ten. In this case 52 + 8 = 60, where 60 is the multiple of ten and 8 becomes the last digit in the barcode. Every time a barcode if read, the scanner performs this calculation to make sure the item is scanned correctly. Now that you know what those UPC barcode numbers really mean, you can disregard any future emails from well meaning associates regarding UPC barcodes.

What do the strips mean on a bar code?

The digits of a number in most cases, although some barcodes now can encode ASCII characters too.

How do you connect bar code reader to computer?

Plug in the cable to an appropriate port. Driver software may also need to be installed.

Why are bar codes used?

Bar codes are used so that businesses can track their inventory. Once bar coded, businesses can track products in their warehouse.

Why are numbers on a bar code important?

Numbers on a bar code are important because it is how the scanner recognizes the what product you are trying to buy. The lines and dashes are important to this as well.

What are barcodes used for?

Barcodes are to help stores keep control on how much stock they have got

When was the barcode invented?

The Barcode Scanner was Invented and Patened in 1952 by Norman Joseph Woodland of Ohio, USA

When were barcodes introduced?

The first patent for a bar code type product (US Patent #2,612,994) was issued to inventors Joseph Woddland, Jordin Johanson and Bernard Silver on October 7, 1952.

It was not until 1966 that barcodes were put to commercial use and they were not commercially successful until the 1980s.

What is output data of bar code reader?

Typically just the data that the reader encountered. If it's a UPC code the scanner would output the data on the barcode.

Most scanners can also be programmed to include some kind of preamble data, which may simply be a beginning of text marker or an identifier from the scanner.

Scanners can also send "post" data, such as a <CR> or some other kind of identifier that indicates that the scanner has completed a good scan.

Scanners can be programmed to ignore some types of barcode and not others.

It all depends on the needs of the individual application.

What is the button on a bar code scanner for?

After inputing the communication line into the button of the barcode scanner, you can use it. Recently Sumlung tech. has a creative product special for the button to add more functions to the barcode scanner.

What is a bar code?

  • bar code, Universal Product Code (code consisting of a series of vertical bars of variable width that are scanned by a laser; printed on consumer product packages to identify the item for a computer that provides the price and registers inventory information)

Can a regular laser printer print a readable bar code?

Any printer that can print images can print a fully functional graphic of a barcode. The difficulty is in creating the graphic. An internet search for barcode freeware will yield many results for free software for creating barcodes. Be aware that there are several common barcode formats, and you will need to determine which one you need for your purposes. Again, a simple search for the term barcode will produce many results that will help you figure out which format you need. Note that if your barcode needs to be very small, you will need to print in high resolution. The "Best" setting on most printers, especially laser printers, should suffice.

Whats the meaning behind a bar code tattoo?

It means: "this person is just a product"

When i put such tattoo on my skin, I'm telling the word that I'm just a box, or a can came out of a production line :)

The use of the

barcode as a tattoo design is meant to be ironical, a warning that if we are not careful as a culture, we are all in danger of becoming products ourselves. A

barcode tattoo is also a protest against a culture where it seems that everyone wears the same clothes, listens to the same music and uses the same products. A

barcode tattoo is a statement against a culture of commodities and a celebration of diversity and the uniqueness of the individual.

Lots of punk music enthusiasts embraced the barcode tattoo,every one is a product,you sale your time in order to get money or other reward, you die you become recyclable just like a product, you breed you create other products could be good or bad............but remember what is not a product is your soul and spirit their not material.

Do Barcode Scanners use software?

Yes, Barcode scanners use software to read barcodes and decode the information they contain.

The Dynamsoft Barcode Reader SDK is a software development kit that provides developers with the tools they need to integrate barcode scanning capabilities into their applications. The SDK supports multiple barcode formats, including 1D and 2D barcodes, and can be integrated into various platforms, including Windows, macOS, Linux, and mobile devices.

With the Dynamsoft Barcode Reader SDK, developers can create custom barcode scanning solutions that meet the specific needs of their applications and users.

What are the country codes for bar codes?

There is a partial list at the related site below.

What are the 16 Filipino values?

The Filipino value system is summarized in single words in the Filipino language: words like bahala na, pakiksama, ningas cogon - translated as resignation, group loyalty, procrastination. However,they do not seem to be strictly limited to a number of 16.