The structure of barcode scanner is usually composed of laser source, optical scanning, optical receiving, photoelectric conversion, signal amplification, shaping, quantization and decoding.
Using the laser as the light source, when the light is irradiated on the barcode symbol, the black bar and the blank will have a strong contrast. Simply put, the barcode scanner is the eye of the barcode system. It is an application software that visually collects barcode data, converts it into information, and then transmits it to the computer.
LECC Technology has a variety of DOE diffraction elements (diffractive optical elements), such as random dots, circular dots, parallel lines, cross lines, aiming lines, etc. The matching laser module wavelength can be customized according to your design.
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