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2. Security hologram - Wikipedia

   en.wikipedia.org/wiki/Security_hologram

   A hologram label on a paper box for security. 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 ...

3. HID Global - Wikipedia

   en.wikipedia.org/wiki/HID_Global

   The company sells physical access control products, logical access control products, and secure issuance products that comprise cards, readers, smart card readers (OMNIKEY), networked access products, card printer /encoders (FARGO) and software.

4. Physics of optical holography - Wikipedia

   en.wikipedia.org/wiki/Physics_of_Optical_Holography

   Learn how light waves create 3D images in physics of optical holography, a fascinating branch of science with many applications and challenges.

5. 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.

6. Printer tracking dots - Wikipedia

   en.wikipedia.org/wiki/Printer_steganography

   Printer tracking dots. Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code ( MIC ), is a digital watermark which many color laser printers and copiers produce on every printed page that identifies the specific device that was used to print the document.

7. Holography - Wikipedia

   en.wikipedia.org/wiki/Holography

   A hologram is a recording of an interference pattern that can reproduce a 3D light field using diffraction. In general usage, a hologram is a recording of any type of wavefront in the form of an interference pattern. It can be created by capturing light from a real scene, or it can be generated by a computer, in which case it is known as a computer-generated hologram, which can show virtual ...