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About QR-Code

QR-Code was invented in 1994 by a team led by Masahiro Harada of the Japanese company Denso Wave, based on the barcode originally used to mark automobile parts. It is a two-dimensional matrix barcode that can achieve multiple uses.

QR-Code has the following advantages compared with one-dimensional barcodes:

QR-Code can store more information because it uses a two-dimensional square matrix instead of one-dimensional lines. One-dimensional barcodes can usually only store dozens of characters, while QR-Code can Stores thousands of characters.

QR-Code can represent more data types, such as numbers, letters, binary, Chinese characters, etc. One-dimensional barcodes can usually only represent numbers or letters.

QR-Code can be scanned and recognized faster because it has four positioning marks and can be scanned from any angle. One-dimensional barcodes usually need to be scanned from a specific direction.

QR-Code is more resistant to damage and interference because it has error correction capabilities that can recover partially lost or obscured data. One-dimensional barcodes generally do not have such capabilities.

The difference between two-dimensional barcodes and one-dimensional barcodes mainly lies in the encoding method and information capacity. Two-dimensional barcodes use a two-dimensional square matrix, which can store more information and represent more data types. One-dimensional barcodes use one-dimensional lines, can only store a small amount of information, and can only represent numbers or letters. There are other differences between two-dimensional barcodes and one-dimensional barcodes, such as scanning speed, error correction capabilities, compatibility, etc.

QR-Code is not the only two-dimensional barcode. According to the principle, two-dimensional barcodes can be divided into two categories: matrix and stacked. Common two-dimensional barcode types are: Data Matrix, MaxiCode, Aztec, QR -Code, PDF417, Vericode, Ultracode, Code 49, Code 16K, etc., they have different applications in different fields.

The two-dimensional barcode developed on the basis of the one-dimensional barcode has advantages that the one-dimensional barcode cannot compare with. As a portable data file, although it is still in its infancy, it is in the ever-improving market. Driven by the economy and rapidly developing information technology, coupled with the unique characteristics of 2D barcodes, the demand for the new technology of 2D barcodes in various countries is increasing day by day.

What kind of organization is GS1?

GS1 is a non-profit international organization responsible for developing and maintaining its own barcode standards and corresponding issuing company prefixes. The most famous of these standards is the barcode, which is a set of bar -symbols printed on a product that can be electronically Scanning.

GS1 has 116 local member organizations and more than 2 million user companies. Its main office is in Brussels (Avenue Louise).

History of GS1:

In 1969, the U.S. retail industry was looking for a way to speed up the store checkout process. The Ad Hoc Committee on Uniform Grocery Product Identification Codes was formed to find a solution.

In 1973, the organization selected the Universal Product Code (UPC) as the first single standard for unique product identification. In 1974, the Uniform Codes Committee (UCC) was formed to administer the standard. June 26, 1974 , a pack of Wrigley gum becomes the first product with a barcode that can be scanned in stores.

In 1976, the original 12-digit code was expanded to 13 digits, allowing the identification system to be used outside the United States. In 1977, the European Article Numbering Association (EAN) was established in Brussels, with founding members from 12 countries.

In 1990, EAN and UCC signed a global cooperation agreement and expanded its overall business to 45 countries. In 1999, EAN and UCC established the Auto-ID Center to develop Electronic Product Code (EPC), Enabling GS1 standards for RFID.

In 2004, EAN and UCC launched the Global Data Synchronization Network (GDSN), a global Internet-based initiative that enables trading partners to efficiently exchange product master data.

By 2005, the organization had operations in more than 90 countries and began using the GS1 name globally. Although [GS1] is not an acronym, it refers to an organization that provides a global system of standards .

In August 2018, the GS1 Web URI structure standard was approved, allowing URIs (webpage-like addresses) to be stored as QR-Code, whose contents contain unique product IDs.

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