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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 position detection was found and determined by applying the least-used ratio (1:1:3 ...
A QR code payment is a mobile payment method where payment is performed by scanning a QR code from a mobile app. [1] This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. [2] This avoids a lot of the infrastructure traditionally associated with electronic payments such as payment cards, payment ...
QR, or "quick response", bar codes were designed to contain the meaningful information directly in the bar code. QR codes can be of two main categories: [ 49 ] [ citation needed ] The QR code is presented on the mobile device of the person paying and scanned by a POS or another mobile device of the payee
Other functions cannot be used on it, such as the detection of nearby people, or interacting with Moments or Official Accounts. To use the Web-based client, it is necessary to first scan a QR code using the phone app. This means it is not possible to access the WeChat network if a user does not possess a suitable smartphone with the app installed.
Unified Payments Interface, commonly referred to as UPI, is an Indian instant payment system as well as protocol developed by the National Payments Corporation of India (NPCI) in 2016. The interface facilitates inter-bank peer-to-peer (P2P) and person-to-merchant (P2M) transactions. [ 1 ][ 2 ] It is used on mobile devices to instantly transfer ...
Automatic identification and data capture (AIDC) refers to the methods of automatically identifying objects, collecting data about them, and entering them directly into computer systems, without human involvement. Technologies typically considered as part of AIDC include QR codes, [1] bar codes, radio frequency identification (RFID), biometrics ...
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