QR Code
Liang Zhang
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]
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