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What Are the Advantages of Barcode Scanner for Shop?

With the development of economy and technology, the categories of products are getting more and more abundant. In order to manage effectively and quickly, barcode scanners came into being. Shop barcode scanner is widely used in the fields of commercial cashier systems, express storage logistics, books, clothing, medicine, banking, insurance and communications. The barcode scanner is a device used to read the information contained in the barcode. The structure of the barcode scanner usually consists of the following parts: light source, receiving device, photoelectric conversion component, decoding circuit, and computer interface. Ordinary barcode scanners usually use the following three technologies: light pen, CCD, and laser.


1. The working principle of the barcode scanner for shop


The basic working principle of the barcode scanner for shop is as follows. The light emitted by the light source irradiates the barcode symbol through the optical system, and the reflected light is imaged on the photoelectric converter through the optical system to generate an electrical signal. Then the signal amplified by the circuit generates an analog voltage, which is proportional to the light reflected on the bar code symbol, after filtering and shaping to form a square wave signal corresponding to the analog signal, which is interpreted by the decoder as a digital signal that the computer can directly accept.


2. What are the advantages of the barcode scanner for shop?


1. The input speed of the barcode scanner for grocery stores is fast: Compared with keyboard input, the speed of barcode input is 5 times that of keyboard input, and it can realize real-time data input.


2. The barcode scanner for retail store has high reliability: The error rate of keyboard input data is one three hundredth, the error rate of using optical character recognition technology is one in 10,000, and the error rate of using barcode technology is less than one million.


3. The barcode scanner for shop collects a large amount of information: The traditional one-dimensional bar code can collect dozens of characters of information at a time, and the two-dimensional bar code can carry thousands of characters of information, and has certain automatic error correction capabilities.


4. The grocery store barcode scanner is flexible and practical: Barcode identification can be used as a means of identification, or it can be combined with related identification equipment to form a system to realize automatic identification. Barcode scanners for shop can also be connected with other control devices to realize automated management.


In addition, barcode labels are easy to make, no special requirements for equipment and materials, easy to identify equipment, no special training is required, and the equipment is relatively simple.

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