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All About QR Codes

qr code, quick responce code, data hiding, single dimensional barcode


QR codes, or Quick Response code is a two-dimensional barcode and has been designed way back in 1994 by the Japanese Company to track the vehicles produced during the automobiles manufacturing. Having a faster scanning response, the QR codes find its way to the public life easily.   The code consists of black modules (square dots) arranged in a square grid on a white background, and can be of practically of size which is totally dependent on the designing of the user. Although, small size of the QR code is basically recommended.


The QR code can be read by taking snaps through your smartphones. It is then the task of the QR reader applications (easily down able various downloading sites available, and that too free) which is installed in your device, would scan and decode the information encoded in the QR code. Information can be in the form of a website URL, a phone number, an email-id or a message. Saying to the limit of storage, the QR code can store up to 7089 characters.


Actually built for tracking vehicles produced during the automobiles production, the QR codes has immense application field in the real world. The applications popular these days are in Intelligent Advertisement and in the field of Real Estates. Other applications which can be effective with the QR codes are_.

1>   Stamps           

With a QR code printed on the stamp, an authority or organization can provide complete information about them in there stamp.

2>   Business Cards       

A business card with a QR card printed on it can do both the purpose of style and providing information.

3>   Banners          

Special information like offers can be printed in the form of QR codes which can provide information to the user without much headache of reading through the banner.

4>   Website Down able      

Down able links like music, videos or software can be provided through QR code in case the download    has to be done via other device like in smartphone.



Reading the above article, one can say that the QR code has immense advantage in the real world. The code saves time, saves resources by saving spaces and material that could have used in case of printing all materials. You need just a smartphone to access information in the QR code and that too from any of the places. Unlike single dimension barcode which would require a mechanically scanning device and a system to access the database.


Although the QR code seems nice and full of advantage, the topic has some dark sides too. The QR code is not very popular among the people. Companies and various organizations provide there information through the QR code but it is the people that don’t know the use. The way to diminish this effect is by spreading knowledge about the thing. Secondly,  the QR code requires a smart phone and an internet connection in most of the case which may not be available at all times.


Closing the topic, the Quick Response code has immense application which some major advantages. So the next time you see a QR code, don’t neglect it, snap it through your, SmartPhone  and enjoy the information.


Any recommendations in the above article would be highly appreciated.

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