Bulk Barcode Generator - Post 2/5

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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 are the alternatives to barcodes?

There are many alternatives to barcodes, such as Bokodes, QR-Code, RFID, etc. But they cannot completely replace barcodes. They each have their own advantages and disadvantages, depending on your needs and scenarios.

Bokodes are data tags that can store more information than barcodes in the same area. They were developed by a team led by Ramesh Raskar at the MIT Media Lab. Bokodes can be captured by any standard digital camera To read, simply focus the camera at infinity. Bokodes are only 3 mm in diameter, but can be magnified to a sufficient degree of clarity in the camera. The name Bokodes is a combination of bokeh [a photography term for defocus] and barcode [barcode] A combination of two words. Some Bokodes tags can be rewritten, and the Bokodes that can be rewritten are called bocodes.

Bokodes have some advantages and disadvantages compared to barcodes. The advantages of Bokodes are that they can store more data, can be read from different angles and distances, and can be used for augmented reality, machine vision and Near field communications and other fields. The disadvantage of Bokodes is that the equipment to read Bokodes requires an LED light and a lens, so the cost is higher and it consumes more power. The production cost of Bokodes labels is also higher than that of barcode labels.

QR-Code is actually a kind of barcode. It is also called a two-dimensional barcode. They are both a way of storing data, but they have some differences, advantages and disadvantages. QR-Code can store more Data, including text, pictures, videos, etc., while barcodes can only store numbers or letters. QR-Code can be scanned from any angle, while barcodes can only be scanned from a certain direction. QR-Code has an error correction function, even if it is partially damaged It can also be identified, while barcodes are more susceptible to damage. QR-Code is more suitable for contactless payment, sharing, identification and other scenarios, while barcodes are more suitable for the management and tracking of goods.

Theoretically, QR-Code can replace all functions of one-dimensional barcodes. However, many applications do not require barcode labels to store large amounts of data. For example, EAN barcode labels for retail goods only need to store 8 to 13 Just a number, so there is no need to use QR-Code. The printing cost of QR-Code is also slightly higher than that of one-dimensional barcodes, so QR-Code will not completely replace one-dimensional barcodes.

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