Technology

This category contains 41 posts

Microscopic QR Code

When I read of a microtaggant labelled with a QR Code I have to admit that I did not know what a ‘microtaggant’ was. I discovered that it is a microscopic identification particle used to trace or to prevent counterfeiting. For example multi-coloured, multi-layered microscopic particles only half the diameter of a human hair (80 […]

QR Codes On Beer Mats (Coasters) Make You Think

We have seen QR Codes on beer mats (coasters) before and now The Institute of Physics has continued the trend by producing a set with a technology theme (images below). The idea is to get pub goers thinking about physics-based technologies such as the Internet, MP3 players, Smartphones and GPS. 50,000 beer mats with questions […]

An Introduction To QR Code Image Manipulation

I have been sent an article - How To Make An Awesome QR Code - by Ryan Bayron an Intern at integrated marketing consultancy WrightIMC. It’s a good introduction for anyone who is thinking of playing with the look of their QR Code and inserting a logo or graphic. Ryan has included references for further […]

Embed Your Twitter Avatar in a QR Code

The company responsible for the world’s first edible chocolate QR Code, Tokyo based IT DeSign have announced the release of a free QR Code generator that will embed your Twitter avatar in a QR Code resolving to your Twitter profile page (screenshot below). The generator is a mashup of the Twitter API and IT DeSign’s […]

QR Codes as an Assistive Technology

Digit-Eyes is an iPhone 3G app for the blind and visually impaired community. It makes text or audio QR Code labels you can read with your iPhone and also lets you read the Universal Product Code or European Article Number and find out what’s in the can or package. Nancy Miracle, President, Digital Miracles L.L.C. […]

PHP Wrapper for Libqrencode

Kerem Erkan has coded a PHP wrapper for Fukuchi Kentaro’s C library for generating ISO/IEC 18004 standard QR Codes.

Create a Virtual Tour or Urban Game with QR Codes

Blazej Zieba alerted me about two php scripts he has written. “Mobile Virtual Guide” is a web application which allows you to create a virtual tour and generate QR Codes to mark locations and “Mobile 2d Code Hunt” is a web application which allows you to create urban games. Both applications are free and can […]

Tinyurl for QR Codes

As a sabbatical project, Franz Enzenhofer has coded a tinyurl for QR Codes using the Google Code APIs, called miniQR. He has also made available a simple API for miniQR with a HTTP Request version and a JavaScript version. Nice work Franz.

Color Code Technologies Targets Network Operators

Color Code Technologies is licensing exclusive territorial rights to its Color Construct Code (Color C Code) to mobile network operators interested in increasing average revenue per user through mobile advertising and marketing.
Color C Code enables the transmission of large amounts of data and does not require an internet connection to decode and display digital […]

QR Code Steganography

While the object of cryptography is to make data unreadable by a third party, the object of steganography is to hide the data from a third party. It would appear that combining QR Codes with image processing is a practical stenographic technique, see “QR Code and image processing techniques are used to construct a nested […]