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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 ...
CueCat barcode scanner and interposer cables with male and female PS/2 connectors. The CueCat, styled :CueCat with a leading colon, is a cat-shaped handheld barcode reader designed to allow a user to open a link to an Internet URL by scanning a barcode.
The application can decode several 2D barcodes including the widely used QR Code and Data Matrix. QR codes are often embedded in websites; Barcode Scanner can open a browser at the encoded site, for example, facilitating the download of an application. As of May 2016, this is one of the most downloaded Android applications as listed by Google ...
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 ...
Most of Chrome's source code comes from Google's free and open-source software project Chromium, but Chrome is licensed as proprietary freeware. [12] WebKit was the original rendering engine , but Google eventually forked it to create the Blink engine; [ 15 ] all Chrome variants except iOS used Blink as of 2017.
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.
The QR code system was invented in 1994 by Masahiro Hara from the Japanese company Denso Wave. [4] In December 2010, the first documented description of QR code-based payments came from two patents filed by Shaun Cooley and Andrew Charles Payne, based on a prototype system developed for Norton Labs at Symantec called Norton Mobile Pay.
Browser plug-ins are a different type of module and no longer supported by the major browsers. One difference is that extensions are distributed as source code, while plug-ins are executables (i.e. object code). The most popular browser, Google Chrome, has over 100,000 extensions available but stopped supporting plug-ins in 2020.