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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. 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 ...

4. Barcode reader - Wikipedia

   en.wikipedia.org/wiki/Barcode_reader

   A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain decoder circuitry ...

5. How Snapchat Made QR Codes Cool Again | TechCrunch

   techcrunch.com/2015/05/04/snapcode

   From QR To Who Are You. QR codes were originally invented by Denso Wave in 1994 to track cars being built on Japanese assembly lines. They caught on in Japan around 2002 in the pre-smartphone era ...

6. Remember QR Codes? The Leading Reader, Scan, Has Been ...

   techcrunch.com/2012/11/27/remember-qr-codes-the...

   Something there is that doesn't love a QR code, but that hasn't stopped leading QR code scanner makers Scan from serving up 25 million copies of their software. The company, which currently ...

7. Google Chrome gets its own QR code & barcode scanner

   techcrunch.com/2017/02/02/google-chrome-gets-its...

   The iPhone’s QR code reader is tucked away inside the Wallet app, for example, where it’s used to scan coupons, boarding passes, tickets and the like. This presumes these are main ways that QR ...