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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. 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; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...

3. 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.

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. Edited: 12 years ago.

5. QR code CUSTOMS. WiFi ? Or download code - Japan Forum

   www.tripadvisor.com/ShowTopic-g294232-i525-k...

   Worked just fine. Now with only 1 QR code, you have to do your own passport scan between immigration and customs. Customs is apparently done by facial recognition. You just walk through an automatic gate without any officer physically inspecting your passport. I have always used screen capture of the QR code. Edited: 3:10 am, April 02, 2024

6. Check-in QR code - Wikipedia

   en.wikipedia.org/wiki/Check-in_QR_code

   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. It was widely used in Australia and China during the COVID-19 pandemic in 2020–2022.

7. barcode on boarding pass - Air Travel Forum - Tripadvisor

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

   135 reviews. 82 helpful votes. 2. Re: barcode on boarding pass. 5 years ago. Save. There’s different barcode fonts. The barcodes on boarding passes are 2D whereas the ones in stores for example are 1D. Most likely whatever app you’re using is not set up to read the airline boarding pass.