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the function of barcode scanner

Views: 0     Author: Site Editor     Publish Time: 2022-06-01      Origin: Site

A barcode scanner usually consists of three different parts including the illumination system, the sensor, and the decoder. In general, a barcode scanner “scans” the black and white elements of a barcode by illuminating the code with a red light, which is then converted into matching text. More specifically, the sensor in the barcode scanner detects the reflected light from the illumination system (the red light) and generates an analog signal that is sent to the decoder. The decoder interprets that signal, validates the barcode using the check digit, and converts it into text. This converted text is delivered by the scanner to a computer software system holding a database of the maker, cost, and quantity of all products sold. Barcode Scanner can scan and read all QR codes / barcode types including text, url, ISBN, product, contact, calendar, email, location, Wi-Fi and many more formats. After scan and automatic decoding user is provided with only the relevant options for individual QR or Barcode type and can take appropriate action.It highlights the features and performance of the Cognex Mobile Barcode Scanner SDK, decoding images that contain barcodes of any of its supported symbologies. Fast and accurate: The screen layout is tidy and clean. The scanner works even when there is no internet connection. Support 1D and 2D code types: It supports QR code containing VCard (contact), Wifi Access Code, web URL, email, phone number, as well as different barcode types. You can even see the code type.

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