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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 ...
The code was introduced in 1994. [12] In 2021, QR codes were being used to book and track COVID-19 tests and contact tracing. [6] Hara has stated that he would like to develop QR codes for additional medical purposes, including imaging such as x-rays or electrocardiogram data. [2] Hara still works for Denso as of 2024. [1]
Visitors to Derby Museum using a mobile phone to scan a QRpedia QR code. When a user scans a QRpedia QR code on their mobile device, the device decodes the QR code into a Uniform Resource Locator (URL) using the domain name "languagecode.qrwp.org" and whose path (final part) is the title of a Wikipedia article, and sends a request for the article specified in the URL to the QRpedia web server.
QR code (Quick Response code), a two-dimensional code; ATCvet code QR Respiratory system, a section of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products; DICOM Q/R, DICOM Query / Retrieve; Nissan QR engine; Quarter (unit) qr., Quarter (unit) § Length, 1 ⁄ 4 of a yard, equal to 9 inches
If possible, providing free Wi-Fi hotspots will facilitate more use of the codes, especially in remote or thick-walled buildings with unreliable mobile internet connections. Display the codes where people (including children, and those in wheelchairs) can reach them. The codes should be well lit. Shadow makes it more difficult to scan.
en is the Country Code for the Wikipedia instance Shire_Hall,_Monmouth is the article name in that language QRpedia automatically detects the user's language and redirects them to a Wikipedia article in their language.
The countries in which the French Wikipedia is the most popular language version of Wikipedia are shown in dark blue. Page views by country over time on the French Wikipedia. The audience measurement company Médiamétrie questioned a sample of 8,500 users residing in France with access to Internet at home or at their place of work.
The first company used QR Code for IT Asset Inventory Tagging System was initiated last October 11, 2012 made by Castlewood Group Pte Ltd Singapore led by IT Manager, Engr. Men-She-Vik P. San Diego, MIT. This unique concept innovates the use of QR Code as a medium for proper handling and monitoring of IT devices and peripherals for this company.