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  2. Barcode reader - Wikipedia

    en.wikipedia.org/wiki/Barcode_reader

    A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals.

  3. Barcode - Wikipedia

    en.wikipedia.org/wiki/Barcode

    Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called barcode readers, of which there are several types.

  4. A barcode reader or barcode scanner is an electronic input device which is able to scan and decode barcodes. These devices use optical technology such as infrared light. Some readers use an integrated decoder, others have one unit for reading the barcode, and another one to decode the barcode.

  5. Barcode reader - Wikiwand / articles

    www.wikiwand.com/en/articles/Bar_code_reader

    A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals.

  6. Barcode library - Wikipedia

    en.wikipedia.org/wiki/Barcode_library

    Barcode library or Barcode SDK is a software library that can be used to add barcode features to desktop, web, mobile or embedded applications.

  7. A UPC-A barcode symbol. A barcode is a way of storing numbers printed in a way that a computer can easily read. The first barcodes stored the numbers using lines (bars). The word Wikipedia represented in a barcode. The first use of barcodes was to label railroad rolling stock.

  8. BarCode - Wikiversity

    en.wikiversity.org/wiki/BarCode

    A barcode (also spelled bar code) is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths and spacings of parallel lines.