2014年3月17日星期一

QR Code
Liang Zhang
2014-3-17

What is QR Code?
QR Code is a kind of matrix bar code, or two-dimension bar code, created by the company of Denso-Wave Company in Japan in 1994.The QR code is a short name for Quick Response. The purpose of QR Code is that aiming to decode in a second.[1]
Japan is the most popular country with QR Code.
QR Code is most popular in Japan which can contain more information in a square space and it free from aiming target in a right line of the older one—barcode. Since QR Code is designed of square space, making up in white and black. QR Code own three square pictures in four corners. These three pictures are design to decode, which avoid matching with the code exactly. No mater what kind of angle you scan it, it always works.[2]
What are Broad-spectrum applications of QR Code?
We use QR Code to restore addresses of shops or a website which is more popular in magazine or advertising even in a bus station. It is a trend in a business card, which make it easy to input contact information by phone. For example, when you scan it in poster, you can link to the aiming webpage of that exact website, and then you will get purchase information or get coupon from it. Now many famous websites like Yahoo owns itself QR Code. In addition, when passengers scan QR Code in a bus station, they can get schedule of the bus system immediately.


Now there is software—Indesign by which we can make QR Code ourselves. It is popular and convenient.






                          figure 1 my QR Code for Linkedin