Sometime a traditional barcode just doesn't hold all the information you need. QR codes are the evolved version of the 2D barcodes, being denser, as well as universally read by smart phones.

You might not be able to fit everything you want onto a card or label, but you can include a QR-code that links to a full web page that can be updated as needed without re-printing. ID Flow by Jolly Technologies can generate a QR code from any database field that holds the data you need to be printed.

Design cards and labels with Jolly software and say goodbye to printing size limits and the need to reprint. Request a trial today, or call and chat with one of our sales reps about your particular needs.

QR Code

QR Code is a 2D barcode symbology with very high data density. In practice up to several hundred bytes are encoded in a single symbol. Each dot in a QR Code symbol represents a bit. In contrast to linear bar-codes which encode the information usually in the ratio of the bars or spaces to each other a QR Code is more tolerant with respect to poor printing quality. A single symbol can contain up-to 4,296 alphanumeric characters or 2,953 binary bytes. Error correction algorithms allow damaged symbols to be scanned..

Applications
QR Code was developed by a subsidiary of Toyota and originally designed for automotive industrial use. It has become one of the most popular types of two-dimensional barcodes due to their reading speed, accuracy, and superior functionality characteristics. Depending on the application a QR-Code can be used to encode specific URL or ticket numbers: in a mobile marketing scenario a QR Code symbol is printed or displayed on products or marketing related material (like displays, magazines or web-sites). A user can now scan and decode this QR Code using a mobile phone with a built-in camera and suitable decoder software. After decoding the QR Code symbol, the user is forwarded to product related web-sites or marketing campaigns.

Benefits
Capable of storing more information and more character types that any other 2D barcode. QR Code is capable of 360 degree (omni-directional), high speed reading. QR Code accomplishes this task through position detection patterns located at the three corners of the symbol. These position detection patterns guarantee stable high-speed reading, circumventing the negative effects of background interference. The Reed–Solomon error correction algorithm provides four error correction levels to prevent damage and assist in reconstruction.

Limitations
Most smart phones do not come with a default application for scanning these codes. You need to download a third-party application in order to read QR Code Consumers who do not own a smart phone are limited even more in their access to QR Code The final size of the QR code does not affect the amount of characters the QR code can hold. A billboard-size QR code holds the same amount of characters as a QRC on a business card.

Technical Specifications
Normative standards: The normative standards for the QR-Code barcode symbology are named JIS X 0510 (Japan) or ISO/IEC 18004 (ISO International Standard).

Data capacity: A single QR Code symbol can hold up to 7089 numeric characters, 4296 alphanumeric characters, 2953 bytes (binary data) or 1817 Kanji characters (character set according to JIS X 0208).

Character set: The original QR Code defines JIS-8/Shift-JIS as default character set, which corresponds to ECI 000020 (by design other character sets are possible by using different ECIs). While the QR Code 2005 standard (ISO/IEC 18004:2006) defines Latin-1 as default character set, mobile applications often use UTF-8 as default (without additional ECIs). So it's up to the bar code reader (or decoding application), which character set is used.

Error correction: QR Code offers a built-in error correction based on Reed-Solomon algorithms. The error correction level can be adjusted (supported levels are Low, Medium, Quartile, High). Depending on the error correction level it is possible to restore between 7% (Low) and 30% (High) of unreadable codewords in a QR Code symbol without data loss.

QR Code supports 'Structured Append'. Up to 16 QR Code symbols can be concatenated. If a scanner or decoder supports this feature, it returns the concatenated data content in the correct order.

QR Code printing quality: To optimize barcode quality a QR-Code symbol should not be printed with dots smaller than 4 to 5 device pixels.

Additional Information
Security experts warn of new risks surrounding Quick Response Codes. Risks include linking to dangerous web sites with browser exploits, enabling the microphone/camera/GPS, and then streaming those feeds to a remote server, analysis of sensitive data (passwords, files, contacts, transactions) and sending email/SMS/IM messages. These actions could occur in the background while the user is only seeing the reader opening a seemingly harmless web page.

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