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  2. Barcode reader - Wikipedia

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

  3. Interleaved 2 of 5 - Wikipedia

    Interleaved 2 of 5 (ITF) is a continuous two-width barcode symbology encoding digits.It is used commercially on 135 film, for ITF-14 barcodes, and on cartons of some products, while the products inside are labeled with UPC or EAN.

  4. Dynamsoft - Wikipedia

    These SDKs help developers meet document imaging, scanning and barcode reader application requirements when developing web, desktop, or mobile document management applications. Dynamsoft has a global presence with customers in North America, Asia, and Europe, with all sorts of organizations including local governments, non-profit organizations ...

  5. International Article Number - Wikipedia

    By using the barcode center marker, it is possible for a barcode scanner to scan just one half of the barcode at a time. This allows reconstruction of the code by means of a helical scan of the barcode by an angle of approximately 45 degrees. Japanese Article Number. Japanese Article Number (JAN) is a barcode standard compatible with the EAN ...

  6. QR code - Wikipedia

    They can generate and print their own QR codes for others to scan and use by visiting one of several pay or free QR code-generating sites or apps. Google had an API , now deprecated, to generate QR codes, [21] and apps for scanning QR codes can be found on nearly all smartphone devices.

  7. Card reader - Wikipedia

    A card reader is a data input device that reads data from a card-shaped storage medium.The first were punched card readers, which read the paper or cardboard punched cards that were used during the first several decades of the computer industry to store information and programs for computer systems.

  8. Line printer - Wikipedia

    In a typical drum printer design, a fixed font character set is engraved onto the periphery of a number of print wheels, the number matching the number of columns (letters in a line) the printer can print. The wheels, joined to form a large drum (cylinder), spin at high speed and paper and an inked ribbon is stepped (moved) past the print position.

  9. Vein matching - Wikipedia

    He developed what was essentially a barcode reader for use on the human body and assigned the rights to the UK's NRDC (National Research Development Corporation). The NRDC/ BTG (Thatcher privatised NRDC into BTG) made little headway in licensing vein pattern technology. The world was wedded to fingerprints and Iris patterns and governments (the ...