Bar Code Scanner Basic Introduction

Bar Code Scanner Basic Introduction

Bar code scanning gun is widely used in domestic industry. Barcode Scanner is also commonly known as barcode scanning gun or reader, is used to read the information contained in the barcode device, can be divided into one-dimensional, two-dimensional barcode scanner. The structure of high quality barcode scanner usually consists of the following parts: light source, receiving device, photoelectric conversion component, decoding circuit, computer interface. The basic working principle of the scanning gun is that the light emitted by the light source passes through the optical system and hits the bar code symbol. The reflected light is imitated by the optical system on the photoelectric converter, and interpreted by the decoder as a digital signal that can be directly accepted by the computer. In addition to a two-dimensional barcode scanner classification. Can also be classified as: CCD, full Angle laser and laser handheld bar code scanner.

Because of its convenient use, high quality barcode scanner is widely used in commercial POS cashier system, express warehousing logistics, books, clothing, medicine, banking and insurance communications and other fields. Keyboard interface, USB interface and RS232 interface are available. Standard products include scanning gun host, USB cable, manual and white stand; Express companies, warehousing logistics, warehouse inventory, supermarkets, books and clothing stores, as long as there is a bar code, there is a radium code.

Today, barcode scanning technology has been widely used in many fields and industries, such as retail industry, manufacturing industry, logistics, medical, warehousing, security and so on. Now many fast food restaurants, such as KFC and McDonald's, have pioneered the use of QR code scanning electronic coupons instead of the previous electronic coupons. In the past, many electronic coupons have time limits, but there are no limits on the quantity and location, leading to the flood of electronic coupons. Now, two-dimensional code scanning coupons are no longer limited by time and region, providing convenience for more consumers, and also carrying out large-scale promotion for merchants.
It can be seen that high quality barcode scanner because of the advantages of convenient use, the prospect will be unlimited, because it is completely in line with the fast pace of modern society under the people need to do the most convenient thing in the shortest time mentality, will also be the trend of The Times.