QRCodeとは 意味・読み方・使い方

語源

Short for Quick Response Code, introduced as a trademark.

名詞

QR code (plural QR codes)

1. A two-dimensional barcode, typically used to link to a website.
   • 2023 December 13, “Network News: £13,000 stolen via car park QR”, in RAIL, number 998, page 11:

     TransPennine Express has removed all QR codes from its 71 car parks after scammers covered up a genuine code sticker with a false one and stole £13,000 from a woman's bank account.

   • 2025 January 28, Jack Guy, “Tiny QR codes help scientists track bee movements”, in CNN‎:

     New insights into bee movements and life cycles have been uncovered after researchers tracked the insects using tiny QR codes glued onto their backs. […] The team, made up of entomologists and electrical engineers, attached AprilTags, a kind of QR code that is smaller than the nail on your little finger, to the bees using glue.

派生語

Further reading

• QR code on Wikipedia.Wikipedia