What is a QR code and how does it work

Quick Response code

QR code is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan, that became popular outside this industry due to its fast readability.

A QR code consists of black squares arranged in a square grid on a white background, which can be read by an imaging device such as a camera.



 QR codes were first created back in 1994 by a Toyota subsidiary named Denso Wave to help tracking vehicles and parts.

They were designed to allow for fast decoding speeds, hence the name Quick Response code (Qr code abbreviated)

QR codes are now used in a much broader context, including commercial tracking applications, fashion industry and convenience-oriented applications aimed at mobile-phone users link to digital platforms.



 Although initially used to track parts in vehicle manufacturing, nowadays QR codes can be found over a much wider range of applications.

Furthermore, they have a number of purposes, including transport ticketing, traceability, entertainment, commercial tracking and product labeling/marketing, just to name a few.

You can find QR codes being used to send audiences to a website for browsing, to bookmark a webpage, to initiate phone calls, send short messages, send emails, produce links to web URL’s, connect to WI-FI networks, access information, get coupons, view videos, purchase items, process orders, advertise products, etc.

QR codes have also been incorporated into currency and can be used to store bank account information or credit card information, or they can be specifically designed to work with particular payment provider applications.

There are several trial applications of QR code payments across the world; in developing countries like India and China, qr code payment is a very popular and convenient method of making payments.

QR codes are used in some augmented reality systems to determine the positions of objects in 3-dimensional space.

QR Codes are also being used to deliver Augmented Reality experiences.

QR Codes application in the field of Construction has already been started in India which helps in saving time, paper and energy.

QR Code usage in Safety Vertical of Construction industry aids in usage of Resources, allocation of time and usage of critical information.


Differences between barcodes and QR codes

QR codes are part of barcodes and refer to the Quick response code.

The reason why they are more useful than a standard barcode is that they can store (and digitally present) much more data and are programmed to perform several actions.

QR codes contain information both vertically and horizontally and can be read through a camera-enabled device like a smartphone.


Fun Facts

  •  QR codes have been used and printed on train tickets in China since 2010.
  •  Popular video games, such as Fez, The Talos Principle, and Watch Dogs, have incorporated QR codes as story and/or gameplay elements.
  •  In 2008, a funerary company in Japan began to sell tombstones with QR codes, where the code leads to a virtual grave site of the deceased.
  • In June 2011 The Royal Dutch Mint issued the world’s first official coin with a QR code to celebrate the centenary of its current building and premises. The coin can be scanned by a smartphone and link to a special website with contents about the historical event and design of the coin.



 QR codes are a powerful tool of this digital age that helps connect the non-digital and digital world more efficiently.

There was a time when its use was not appreciated perhaps because of lack of awareness.

But now, their popularity is increasing, and many well-known brands are using them in their marketing campaigns with surprising results.

These codes are the key to improving every business growth. How?


Keep up with me and in the next article you will find it out. 



– http://www.mobile-qr-codes.org/history-of-qr-codes.html


Complete the form to download files