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  2. IDnow Scans Holograms In ID Cards To Verify Your Identity ...

    techcrunch.com/2014/06/18/idnow-scans-holograms...

    First you take a photo of your ID document. An IDNow app uses the flash light of your smartphone to illuminate the official government ID and its hologram. The hologram reflect in the flash light ...

  3. Security printing - Wikipedia

    en.wikipedia.org/wiki/Security_printing

    Security printing. Security printing is the field of the printing industry that deals with the printing of items such as banknotes, cheques, passports, tamper-evident labels, security tapes, product authentication, stock certificates, postage stamps and identity cards. The main goal of security printing is to prevent forgery, tampering, or ...

  4. Physics of optical holography - Wikipedia

    en.wikipedia.org/wiki/Physics_of_Optical_Holography

    Physics of optical holography. Optical holography[ 1] is a technique which enables an optical wavefront to be recorded and later re-constructed. Holography is best known as a method of generating three-dimensional images but it also has a wide range of other applications .

  5. Security hologram - Wikipedia

    en.wikipedia.org/wiki/Security_hologram

    Security holograms are labels with a hologram printed onto it for sale security reasons. It is argued by the International Hologram Manufacturers Association that holograms on security labels are difficult to forge because they are replicated from a master hologram which requires expensive specialized and technologically advanced equipment. [1]

  6. List of printer companies - Wikipedia

    en.wikipedia.org/wiki/List_of_printer_companies

    Phaser brand solid ink color, dye-sublimation printers printer business acquired by Xerox Teletype Texas Instruments: serial matrix, inkjet, low-end laser, airline ticketing printer business acquired by GENICOM Toshiba: Trilog color serial matrix printers acquired by Centronics TVS Electronics dot matrix printers

  7. E Ink's latest color ePaper panel is faster, denser and ...

    www.engadget.com/e-ink-gallery-3-announced...

    Its new E Ink Gallery 3 panel offers three color modes, including a “fast” one that can refresh the panel at 500 milliseconds. For the best possible colors, it needs 1.5 seconds to update.

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