Barcode scanners, also known as barcode readers, barcode scanning guns, barcode scanners, barcode scanning guns and barcode readers.

Barcode scanner is used to read the information contained in the bar code reading device, the use of optical principles, the contents of the bar code after decoding through the data line or wireless transmission to the computer or other equipment. Widely used in supermarkets, logistics courier, library and other scanning products, documents bar code.

Barcode scanner is also commonly referred to as barcode scanner / reader, which is used to read the information contained in the bar code, which can be divided into one-dimensional, two-dimensional bar code scanners. Barcode scanner structure is usually the following parts: light source, receiving device, photoelectric conversion parts, decoding circuit, computer interface. The basic working principle of the scanning gun is that the light emitted by the light source is irradiated onto the bar code symbol through the optical system. The light that is reflected back through the optical system is imaged on the photoelectric converter and interpreted by the decoder as a digital signal that the computer can directly accept. In addition to one, two-dimensional bar code scanner classification. Can also be classified as: CCD, full-angle laser and laser handheld bar code scanner.

Bar code scanners are widely used in commercial POS cash register system, express warehousing logistics, books and clothing medicine, bank insurance communications and other areas of demand. Keyboard interface, USB interface and RS232 interface three kinds of interfaces to choose from. Product standard, including scanning gun host, USB data cable, manual and white stent; courier company warehousing logistics warehouse inventory supermarket stores books and apparel stores, as long as there is a bar code where there is a radio code.