The acronym of the QR code is the ‘Quick Response’ code. It is a type of two-dimensional matrix bar code. Bar code has information held vertically, while QR code has the information placed vertically and horizontally.QR code stores 100 times more information. QR code was first introduced by Masahiro Hara working for the Japanese automotive company ‘Denso Wave’, in the year 1994. The main purpose of the use of QR codes was to track the vehicles which are manufactured and for scanning the components used. The company does hold a patent on it, it has been granted a free license, and anyone can use it.
QR codes are secured with 3 squares shaped in the corners with black and white symbols. Many QR code scanning apps are used that can be scanned using the camera that is present in smartphones for Android or iOS. Some tablets have QR code readers for example Apple Ipad.
QR code types based on the position and designs come mainly into two categories namely static and dynamic. Unlike barcodes, QR codes are used for all virtual customer products that are scanned mechanically.
QR codes can store up to 7089 numeric and 2953 alphanumeric characters. Around three types of information can be stored in the QR code data types, sizes, and error correction levels.
QR codes pattern consists of 6 main details quiet zone, finder pattern, alignment pattern, timing pattern, information of version as illustrated in the above image, and data cells.
The smallest QR code i.e. version 1 has a size of 21 rows x 21 columns, while the largest QR code has a size of 177 rows x 177 columns and is version 40.
In the QR code, the amount of data that can be stored in four encoded standardized modes alphanumeric, binary, kanji, or numeric. QR code is the type of data that is encoded.
QR code scanners are used for scanning the top-bottom,left-right, or zig-zag way until the data is covered, converted, or displayed.
QR codes are mainly used in the packaging of products, supermarkets, manufacturing industries, social media profiles, business cards, postal services, libraries for book scanning, restaurants, authentication, checking in hotels, online payments, website logging, etc.
Recently QR codes are used in sales and marketing for advertising campaigning for direct customer purchases through websites or manual URLs, for example, dress selection and its purchase. In short, it's like QR code marketing practice. There are many QR code generator software and applications readily available for different types and applications.
It is a quick, easy-to-use, secure type of technology that is commonly and widely used in many applications in day-to-day life. QR code also contains an identifier, locator, or tracker for the use of smartphone applications and websites. Here, I conclude with this topic. Hope you like my blog. Do like, comment, and follow my blogs. Thanks for reading and supporting my blogs. Happy Reading!
