Category Archives: QR codes

QR Codes Viruses – Should We Panic?

In the last days an alert of a QR code virus was spread in the Internet. Twitter was full of warnings regarding the QR code virus, including tweets suggesting that this will kill QR codes. Various links covered the issue … Continue reading

Posted in Qr code usage, QR code virus, QR codes, QR codes potential, QR codes readers, QR codes SMS, Secured QR codes | Tagged , , , , , , , | 1 Comment

QR Codes for Authentication –Real Life Example

Few days after writing about using QR codes for authenticating consumer products, I came upon a real company that uses QR codes for this exact purpose. The company is called its-true and appears to be located in Germany. Here is … Continue reading

Posted in Authentication, Brand piracy, Data Matrix, hidden QR codes, Marketers and QR codes, QR code authentication, QR codes, QR codes potential, QR codes SMS, Tracking QR codes | Tagged , , , , , , , | Leave a comment

Fighting Brand Piracy Using QR Codes

Forgery of goods and using known brand names for fake products is a growing phenomenon. Actually the subject of brand piracy is practically present in almost every area of daily life. It includes consumer goods like fashion, food, beverages, industrial … Continue reading

Posted in Authentication, Brand piracy, QR code authentication, Qr code usage, QR codes, QR codes potential | Tagged , , , , , | 1 Comment

QR Codes Versus Data Matrix

Unlike 1D codes where all information can be found in one cut through the code, 2D codes need a second dimension since they contain many different ‘lines’ of data. Among the most popular 2D codes are the QR codes and … Continue reading

Posted in Data Matrix, Data Matrix EC, Data Matrix readers, Data Matrix vs QR codes, decorated Data Matrix, designed QR codes, error correction, Image on QR code, logo on Qr code, QR code size, QR codes, QR codes readers | Tagged , , , , , , , , , , | 2 Comments

The Quiet Zone

The quiet zone is a part of the QR code. It is defined in the following way in the QR code spec: “This is a region 4X wide which shall be free of all other markings, surrounding the symbol on … Continue reading

Posted in create QR codes, designed QR codes, print QR code, QR code quiet zone, QR code size, QR codes, QR codes contrast | Tagged , , , , , | 3 Comments

Decorating a QR Code – Part Two

After dealing in previous post with neutral (non damaging QR code data) decorative means, we are going to look at more aggressive means and learn their possible effect. We will try to estimate their damage amount and ways to control … Continue reading

Posted in color QR codes, designed QR codes, error correction, hidden QR codes, pattern coloring QR codes, QR codes, QR codes contrast, QR codes readers | Tagged , , , , , , , | 4 Comments

Decorating a QR Code – Part One

Decorating a QR code is not a simple task as it may sound. Decorating QR codes has been taken by some artists to a level of an art in itself. Some decorative means will not affect QR code readability, we … Continue reading

Posted in color QR codes, designed QR codes, error correction, QR codes, QR codes contrast, QR codes readers | Tagged , , , , , | 3 Comments