• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 375
  • Last Modified:

About Barcode

Can you explain about the barcode?
By which information they creating the Barcode?
2 Solutions
barcodes are an encoding of each letter or number into a group of thin or thick lines.  The groups are then strung together (with some error control) to represent a alpha-numeric of any arbitrary lenght.  There are several different barcode encoding standards.

See http://www.howstuffworks.com/upc.htm
Hi gstalin,

Barcodes conform to several different formats. EAN13 EAN8 UPC CODABAR EAN-ISBN CODE39 and many more. Nowadays there are even two-dimensional ones. There's plenty of good web sites you can research them now you've got some key-words..

Essentially, a barcode reader is a low-power laser that scans back and forth all the time. It also has a sensor that can detect bright and dark pulses in the laser's reflection. The barcodes themselves are just encoded letters and digits (some formats have a full character set) in the form of sequences of varying width bars.


Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

Featured Post

Free Tool: Site Down Detector

Helpful to verify reports of your own downtime, or to double check a downed website you are trying to access.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Tackle projects and never again get stuck behind a technical roadblock.
Join Now