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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. QR Codes Are Reshaping Public Transit, But Are They Safe? - AOL

   www.aol.com/qr-codes-reshaping-public-transit...

   October marks the 70th anniversary of the first bar code-type product. And the QR code — short for quick response — is an evolution on bar codes that are often used to point users to a ...

4. Scan (company) - Wikipedia

   en.wikipedia.org/wiki/Scan_(company)

   Scan's products consist of mobile applications that consumers use for reading a variety of physical codes such as QR codes, NFC, and machine-recognizable images (Computer Vision). [5] Scan's website allows for the creation of QR codes as well as targeted codes that link to web destinations such as social network profiles, websites, and Scan ...

5. Check-in QR code - Wikipedia

   en.wikipedia.org/wiki/Check-in_QR_code

   The check-in code used in Doncaster, Victoria, Australia The venue code used in Suzhou, Jiangsu, China The venue code (left) and digital sentry (right) used in Shanghai, China. The check-in code or the venue code (Chinese: 场所 码, Chǎngsuǒgmǎ) is a QR code to record check-in locations for contact tracing and epidemiologic investigations.

6. Wikipedia:WikiProject QRpedia/user guide - Wikipedia

   en.wikipedia.org/wiki/Wikipedia:WikiProject...

   Larger codes will scan more effectively. 2 inches (5 cm) across will allow for distance and older smartphones with lower quality cameras. 1 inch (2.5 cm) should be the minimum. Trademark agreements from the Wikimedia Foundation are required to use the Wikimedia trademarks including the Logo of Wikipedia .

7. 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.