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Mobile Resources and Applications: QR Codes

databases, qr codes, apps and anything mobile

What are QR Codes?

QR Codes bring mobile device users onto the Internet quickly and efficiently. QR Codes can be used to store web addresses, MP3 files, telephone numbers and email addresses.

Users with a mobile device equipped with a QR reader application can scan the image of the QR code to display text or contact information to connect to a wireless network, or to open a web page. 

QR codes may appear in magazines and books, on signs, on buses, on posters, on business cards and t-shirts to name a few.

QR code stands for Quick Response Code.

Types of QR codes

Interesting Facts

A music video of The Pet Shop Boys for their song Integral includes many references to QR Codes throughout

The QR code system was invented  by Toyota's subsidiary, Denso Wave. Its purpose was to track vehicles during manufacture: 1994

QR codes have been used and printed on Chinese train tickets since 2010

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: 2011 

A Japanese stonemason announced plans to engrave QR codes on gravestones, allowing visitors to view information about the deceased: 2008

QR Codes can hold up to 7,089 characters compared to the typical barcode that can hold a maximum of 20 digits

In 2012, the QR Code won a prize in the Media for Industry category of the Good Design Award*

The act of linking from physical world objects to your mobile device is termed hardlinking or object hyperlinking

Creating QR Codes

Use any of the QR code generators available on the Internet to create your own QR codes to create a link to a website, email addresses or other information

Search Google as follows:

google search for qr code generator

Scanning QR Codes

Any mobile device with QR reader software and a camera can scan the image of a QR code.

To download a QR reader to your phone, open your app store and search 'qr reader'. 

A few examples are:

Further reading ...

History of QR Codes - history (and future!) of QR codes

2D-Code - a useful blog keeping you up to date with 2D barcodes

Denso Wave - the original creators of the 2D barcode

MC2 - the mobile codes consortium

Wikipedia - a wiki article about QR Codes

Google's ZXing Project - a Google Android application for decoding barcodes

Barcode Generator - QR Codes, Data matrix, Aztec, MaxiCode among others

QR Codes in the Unisa Library

Journal collection

The physical copies of journals subscribed to by the Unisa Library are kept on level 4 in the library. Many of the journals are now available in electronic format. The physical journal collection is supplemented with QR codes to give access to the online version of the journal. 

Interactive books

An interactive book that uses QR codes was purchased by the Library. QR codes appear on every page to open contextual video, sound, maps, blogs, chat, etc. on your mobile device. Reading this book is an enriched and interactive experience: