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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 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]

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.

5. Opera update uses QR codes to sync data between PC and ...

   www.engadget.com/opera-makes-it-easier-to-sync...

   The latest updates (version 71 on desktop and version 60 on Android) include a new feature called Sync that lets you scan a QR code rather than entering a password.

6. How Snapchat Made QR Codes Cool Again | TechCrunch

   techcrunch.com/2015/05/04/snapcode

   Without modern apps or full keyboards, QR codes were convenient, automatic ways to open URLs, add a contact to your address book, or send a pre-defined message. But in the West, QR codes were slow ...

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

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

   Here’s one more app you can delete from your iPhone: that QR code and barcode scanner you only occasionally use. With an update rolling out today, Google’s Chrome mobile browser can do the job ...