2014年4月1日星期二



2014年4月1日星期二


QR Code
Liang Zhang
2014-3-17


Liang Zhang

What is QR Code?
QR Code is a kind of matrix bar code, or two dimension bar code, created by company of Denso-Wave Company in Japan in 1994. QR code is a short name for Quick Response, means make a 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 avoiding 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 picture in four corners. These three picture are design to decode, avoiding to match with code exactly. No mater what kind of angle you scan it, it always works.
Broad-spectrum application of QR Code.
We use QR Code to restore address of shop or a website which is more popular in magazine or advertising even in a bus station. It is 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 form it. Now many famous website like Yahoo own its QR Code. In addition, when passenger scan QR Code in a bus station, they can get schedule of bus system immediately.

Now there are some software like Indesign can make QR Code by ourselves. It is popular and convenient.







                          figure 1 my QR Code for Linkedin

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