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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 ...
The Q-code is a standardised collection of three-letter codes that each start with the letter "Q". It is an operating signal initially developed for commercial radiotelegraph communication and later adopted by other radio services, especially amateur radio. To distinguish the use of a Q-code transmitted as a question from the same Q-code ...
This is a list of all airline codes. The table lists the IATA airline designators, ... QR QTR Qatar Airways: QATARI Qatar QAF Qatar Amiri Flight: AMIRI Qatar QB
ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard [1] published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical interest. They are the most widely used of the country codes published by ISO (the ...
Download QR code; Wikidata item; Print/export Download as PDF; Printable version; ... This is a list of all airline codes. The table lists the IATA airline ...
Retrieved 23 May 2009. ^ "Qatar Airways to Launch Direct Services to Lisbon, Malta, Rabat, Langkawi, Davao, Izmir and Mogadishu". aviationtribune. Archived from the original on 11 December 2020. Retrieved 6 March 2019.
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