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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. [5] [6] [7] 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; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

3. QR code payment - Wikipedia

   en.wikipedia.org/wiki/QR_code_payment

   A QR code payment is a mobile payment method where payment is performed by scanning a QR code from a mobile app. [1] This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. [2] This avoids a lot of the infrastructure traditionally associated with electronic payments such as payment cards, payment ...

4. QR reader boarding pass: How does it work? - Air Travel Forum

   www.tripadvisor.com/ShowTopic-g1-i10702-k4887012...

   You complete OLCI as normal and then select send the boarding pass to a phone option. You then open it and it shows a QR code which is held to the scanners at the airport. Many airlines have specific apps which are geared up to issuing QR boarding passes. Pretty efficient system IMO.

5. 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] Information encoded often includes web addresses ...

6. Using QR code on day of visit - Rome Forum - Tripadvisor

   www.tripadvisor.com/ShowTopic-g187791-i22-k...

   Pantheon - Using QR code on day of visit. Sep 14, 2023, 7:44 AM. I went to the Pantheon yesterday and posted this info as a reply on another thread, but thought it might be useful enough for a separate entry. If you want more flexibility and do not wish to purchase tickets in advance, you can scan the QR code out front, buy your tickets on our ...

7. Paying for transport tickets on mobile app - Germany Forum

   www.tripadvisor.com/ShowTopic-g187275-i116-k...

   82 reviews. 79 helpful votes. 5. Re: Paying for transport tickets on mobile app. 2 years ago. You don’t regularly show or scan your ticket anywhere, only upon request by ticket inspectors. Public transportation ticketing works as honor system in Germany (with stiff fines in case you are caught without a valid ticket).