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mã QR
ConceptQ12203· pop 84· linked from 1,461 articles

Also known as Quick Response Code, QRCode

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AI overview

A QR code is a square barcode made of black and white squares that was invented in 1994 to track car parts, and it can be read by cameras and smartphones. The code stores information in its pattern, which is extracted using special error-correction technology that allows the code to be readable even if it's partially damaged or unclear.

AI-generated from the Wikipedia summary — may contain errors.

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Wikidata facts

Subclass of
2D barcode
Country of origin
Japan
Official website
www.qrcode.com/ko
Image
QR code for mobile English Wikipedia.svg
Show 7 more facts
Commons category
QR codes
inception
1994-00-00
discoverer or inventor
Masahiro Hara
different from
2D barcode
used by
quishing
Sources (4)

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