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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...

  3. Barcode Scanner (application) - Wikipedia

    en.wikipedia.org/wiki/Barcode_Scanner_(application)

    Barcode Scanner scanning a QR code. The application Barcode Scanner is an Android app, from the open-source project ZXing (short for Zebra Crossing), that allows an Android device with imaging hardware (a built-in camera) to scan barcodes or 2D barcodes and retrieve the data encoded. [2]

  4. QR code payment - Wikipedia

    en.wikipedia.org/wiki/QR_code_payment

    To make a QR code payment, the consumer scans the QR code displayed by the merchant with their smartphone to pay for their goods. [3] They enter the amount they have to pay and finally submit. [3] This is a more secure card-not-present method than others. [3]

  5. 10 Receipt Scanner Apps That Reward You for Everyday Shopping

    www.aol.com/finance/best-receipt-scanner-apps...

    Simply scan your receipt using your smartphone and earn points and bonuses that you can redeem for cash, gift cards and more. Read: 3 Signs You’re Serious About Raising Your Credit Score 10 Best ...

  6. QRpedia - Wikipedia

    en.wikipedia.org/wiki/QRpedia

    Visitors to Derby Museum using a mobile phone to scan a QRpedia QR code. When a user scans a QRpedia QR code on their mobile device, the device decodes the QR code into a Uniform Resource Locator (URL) using the domain name "languagecode.qrwp.org" and whose path (final part) is the title of a Wikipedia article, and sends a request for the article specified in the URL to the QRpedia web server.

  7. CueCat - Wikipedia

    en.wikipedia.org/wiki/CueCat

    The CueCat was named CUE [1] for the unique bar code which the device scanned and CAT [2] as a wordplay on "Keystroke Automation Technology". [3] It enabled a user to open a link to an Internet URL by scanning a barcode — called a "cue" by Digital Convergence — appearing in an article or catalog or on some other printed matter.

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