How a QR Code Works

HOW A CODE WORKS What is a QR Code? UR=QUICK RESPONSE • has become one of the most popular two-dimensional barcode • allows the information enclosed in the code to be downloaded faster • appears mostly on automobile parts, for tracking purposes •a URL may also be enclosed in the code How Does QR + Scanner App a QR Code Work? smartphone (with a camera) Procedure: the phone converts the image file to a text readable format the application then interprets the text (code) and displays any information (text, image, links and the like) take a photo (scan) of the QR code Alternative way: find out if your phone supports the application; if it does, install it (if it's not yet built in) enable the application for processing take a picture of the QR code *both the Google Android and Nokia's Symbian operating systems have a built-in barcode reader the type of QR code determines how many characters it can fit Type Number of Characters Numeric only 7,089 Alphanumeric 4,296 when the processing is done, you'll be able to see exactly what is on the QR code Binary (8 bits) 2,953 Kanji/Kana 1,817 Source http://www.tech-faq.com/how-do-qr-codes-work.html Things needed: