In 2000, the International Organisation for Standardisation (ISO) authorised QR codes as a worldwide standard, considering them an enhanced variant of conventional barcodes.

Nowadays, in the age of 4.0 technology, QR codes are commonplace. Frequently, we come across QR codes on promotional materials or food product packaging. When businesses utilise QR codes in their marketing, consumers may easily access product information (website, traceability, etc.) by scanning the codes.

Furthermore, scanning QR codes with e-wallets or internet banking apps is increasingly a common means of payment at many supermarkets and convenience stores. With more users and higher average transaction values than any other payment method before it, QR codes have quickly become the preferred form of payment.

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What is a QR code?

A matrix-barcode, or quick response code, is another name for this type of barcode. This data is shown in an encoded format that computers can read.

One improvement above regular barcodes is the Quick Response (QR) Code, which emerged in the 1990s. Unlike QR codes, which can hold up to 7,089 numerical characters and 4,296 alphabetic characters, traditional barcodes, which consist of a series of adjacent bars, have a maximum capacity of 20 numeric characters. Better user support and more data transmission are both made possible by this.

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Two worldwide standard organisations, the worldwide Electrotechnical Commission (IEC) and the International Organisation for Standardisation (ISO), have published the technical characteristics of QR codes into the international standard ISO/IEC 18004:2000. ISO/IEC 18004:2015 is the current standard. The TCVN 7322:2009 standard, which accepts ISO/IEC 18004:2006, is Vietnam’s national standard for quick response codes.

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The structure of QR codes

A Quick Response (QR) Code is a 2D barcode that looks like a white background with black squares organised in a matrix. QR Codes can hold a great deal more data in a variety of character formats, maybe hundreds of times more.

The encoding area and function patterns, such as finder patterns, separators, timing patterns, and alignment patterns, are constructed from square modules that are arranged in a huge square array. These data encoding patterns are functional. There will be a closed border around the code that serves as a Quiet Zone on all four sides.

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A Solution to support traceability by QR code

Because all data is permanently saved on the 4.0 platform, QR codes may reveal information about products at every stage of their lifecycle, from manufacturing to shipping to consumption. Users don’t even need to contact the provider to obtain and look up product information; all they need is an internet-connected smartphone and a QR code scanner. Customers would know they are getting authentic products and the management agency will have an easier time checking their quality.

Further, production units can benefit from QR codes since they allow them to record production logs digitally rather than on paper. The operator can effortlessly report to a superior in real time or move products to the next stage based on the data captured on the application.

To keep up with the rising demand in both local and global markets, product producers must implement traceability measures, such as QR code stamps. Aids in improving the product’s quality and the reputation of the brand; also serves as a “insurance card” to ensure that the product satisfies the needs of the customer and meets their expectations. ln exports to highly competitive global markets as the United States, the European Union, Japan, […]

Quick response (QR) codes are becoming ubiquitous in various industries in Vietnam. Since QR codes can hold more data than regular barcodes in a smaller space, they are ideal for automating formerly manual processes at many businesses and other organisations that rely on mobile devices and the internet. It therefore helps to record information more properly, comprehensively, and consistently at all times and places while saving installation costs and time.

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