QR Code is a very efficient, two-dimensional (2D)
barcode symbology that uses a small area of square
modules with a unique perimeter pattern, which helps
the barcode scanner determine cell locations and
decode the QR Code symbol. Characters, numbers, text
and actual bytes of data may be encoded, including
Unicode characters and images. The QRCode encoder SDK
is based on the ISO/IEC 18004:2006 standard.
QR Code barcodes are used in a wide variety of
industries. It can store up to 7,089 Numeric,4,296
Alphanumeric,2,953 binary,1,817 Kanji or chinese
characters in one barcode symbol, and includes error
correction code (ECC) which allows error-free reading
even when a symbol has been partially lost or
destroyed.

QR Codes are commonly used with smart-phone devices
such as the iPhone, Blackberry, Android and Windows 7
Phones to direct users to additional information such
as calendar events,contact informations,email
address,geo-locations,phone numbers,plain text and

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