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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 - Wikipedia

   en.wikipedia.org/wiki/Barcode

   Google's mobile Android operating system can use their own Google Lens application to scan QR codes, or third-party apps like Barcode Scanner to read both one-dimensional barcodes and QR codes. Google's Pixel devices can natively read QR codes inside the default Pixel Camera app. Nokia's Symbian operating system featured a barcode scanner, [ 28 ...

4. List of WLAN channels - Wikipedia

   en.wikipedia.org/wiki/List_of_WLAN_channels

   Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.

5. WiFi Explorer - Wikipedia

   en.wikipedia.org/wiki/WiFi_Explorer

   Proprietary commercial software. Website. www .intuitibits .com /products /wifi-explorer /. WiFi Explorer is a wireless network scanner tool for macOS that can help users identify channel conflicts, overlapping and network configuration issues [1] [2] [3] that may be affecting the connectivity and performance of Wi-Fi networks.

6. 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 ...

7. Windows Live Barcode - Wikipedia

   en.wikipedia.org/wiki/Windows_Live_Barcode

   Windows Live Barcode (codenamed Confucius) was a part of Microsoft 's Windows Live services. It allowed users to transfer information between various media (PCs, billboards, magazines etc.) and handsets via Quick Response Code ( QR Code ), a two-dimensional matrix barcode. It provided a method for people to exchange information and use various ...