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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. Wikipedia:WikiProject QRpedia/user guide - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    Paste the URL into the box. (The code will automatically generate.) Edit. Click on the QR code image and save it. Import the QR code image into a word processor programme or graphics package. (Optionally) Add text labels. Print. Print the code a minimum of 1 inch (2.5 cm) across, where possible 2 inches (5 cm).

  4. Mobile phone use in schools - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_use_in_schools

    A phone cage used for keeping students' phones away from them during school hours. The use of mobile phones in schools has become a controversial topic debated by students, parents, teachers and authorities. People who support the use of mobile phones believe that these phones are useful for safety, allowing children to communicate with their ...

  5. OCSO deputy develops QR codes to help students easily and ...

    www.aol.com/news/ocso-deputy-develops-qr-codes...

    Students in Okaloosa County will soon have a new way to anonymously relay information about unsafe situations to law enforcement and school officials. OCSO deputy develops QR codes to help ...

  6. Freedom of speech in schools in the United States - Wikipedia

    en.wikipedia.org/wiki/Freedom_of_speech_in...

    The issue of school speech or curricular speech as it relates to the First Amendment to the United States Constitution has been the center of controversy and litigation since the mid-20th century. The First Amendment's guarantee of freedom of speech applies to students in the public schools. In the landmark decision Tinker v.

  7. Rectangular Micro QR Code - Wikipedia

    en.wikipedia.org/wiki/Rectangular_Micro_QR_Code

    Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 [1] by Denso Wave as ISO/IEC 23941. [2] rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code. But rMQR Code is more suitable for the rectangular ...

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