A QR code, quick-response code, [1] is a type of two-dimensional matrix barcode invented in 1994 by Masahiro Hara of Japanese company Denso Wave for labelling automobile parts. [2][3] It features black squares on a white background with fiducial markers, readable by imaging devices like cameras, and processed using Reed–Solomon error correction ...

QR code definition: 1. a pattern of black-and-white squares that is printed on something and that can be read by some…. Learn more.

2025年2月8日 · The meaning of QR CODE is —used for a two-dimensional barcode printed as a square pattern of black and white squares that encodes data.

A QR code (quick-response code) is a type of two-dimensional matrix barcode. Japanese company Denso Wave invented it in 1994 for labelling automobile parts. [ 1 ] [ 2 ]

2018年9月3日 · Created in 1994 by Toyota subsidiary 'Denso Wave' to quickly track vehicles and parts through the company's automotive manufacturing process, QR codes are used more commonly today for logging...

2023年4月21日 · What Is a QR Code? A QR code is a square barcode that can contain information such as a URL, Wi-Fi password, or contact card, and it can be scanned easily by a smartphone camera. You've probably seen QR codes---those black and white boxes with small squares arranged in seemingly random patterns.

2024年11月12日 · What is a QR Code? Invented in 1994 and trademarked by Denso Wave, the Quick Response code, or QR code, is a two-dimensional barcode with a larger storage capacity than the standard UPC (Universal Product Code). Its uses include product packaging, advertisements, and labeling products on retail store shelves.

2012年1月25日 · QR Code, a type of bar code that consists of a printed square pattern of small black and white squares that encode data which can be scanned into a computer system. The black and white squares can represent numbers from 0 to 9, letters from A to Z, or characters in non-Latin scripts such as Japanese kanji .