Mobile bar code - QR code


A QR Code is a matrix code or we can say that it is a two-dimensional bar code which is created by Japanese corporation Denso-Wave in 1994.
QR--> Quick Response , it is intially used to trap tracking parts in vehicle manufacturing .QR Codes storing addresses and URLs may appear in magazines, on signs, buses, business cards or just about any object that a user might need information about. A user having a camera phone equipped with the correct reader software can scan the image of the QR Code causing the phone's browser to launch and redirect to the programmed URL. This act of linking from physical world objects is known as a hardlink or physical world hyperlinks .ck parts in vehicle manufacturing.

Capacity of QR code
  • Numeric only --->Max. 7,089 characters
  • Alphanumeric---> Max. 4,296 characters
  • Binary (8 bits) --->Max. 2,953 bytes
  • Kanji/Kana---> Max. 1,817 characters

This QR code allows you to send greater character at a time as compare to sms. This QR codes is commonly used in Japan regularly for a range of services like

  • flight boarding pass
  • membership and purchase discounts at cafes and bars
  • travel renewals &ID .

In Nokia N93, N93i, N95 or E90 you will find a barcode reader preinstalled on your device, ready to scan mobile codes around you.

1 comment:

Anonymous said...

Good post.