A QR code for the URL of the English Wikipedia Mobile main page 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 …

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.

2021年5月3日 · You've probably noticed a square barcode pasted to a graffitied light pole or on the back of a business card. That pixelated code, shaped in a square, is called a QR code.

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...

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]

You can easily encode ISO 8859-1 chars and ASCII control functions into a QR Code symbol. To encode some non-printable ISO-8859-1 chars and ASCII control functions, you need do the …

In QR codes, information is encoded in the arrangement of squares. Either way, data transforms into a machine-readable arrangement of visual elements. And upon scanning by an optical scanning device, the data translates back to its original form. …

QR Code, also known as Denso Barcode, QRCode, Quick Response Code, is a matrix code (or two-dimensional bar code) created by Japanese corporation Denso-Wave in 1994. The "QR" is derived from "Quick Response", as the creator intended the code to allow its contents to be decoded at high speed.

QR Code 2D Barcode Symbol Structure Each QR Code is a regular square array constructed of several nominally square modules, including an encoding region and function patterns, namely finder, separator, timing patterns, and alignment patterns.

The QR code (Quick Response Code) is a two-dimensional symbol that can contain a wider range of encoded data. Unlike linear barcodes which contain information accessed in some data tables, QR codes normally encode the actual information, …

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QR Code® is a two-dimensional code developed by DENSO WAVE in 1994, and the most widely used in Japan. 1. Representing a large amount of information with a small code. QR code® can represent various characters, including numbers, letters, Kanji, Kana, symbol binaries, and control codes. 2. Taking only a small physical space.

A QR Code (it stands for "Quick Response") is a mobile phone readable barcode that's been big in Japan forever, broke into Europe and China a while back, and in recent years has become popular in the US.

A list of the QR Code symbol sizes with examples and the ActiveBarcode type numbers is provided for your convenience. Intensive technical background information can be found at: http://en.wikipedia.org/wiki/QR_code. Many use cases have developed around the QR code.

QR Code is capable of handling all types of data, such as numeric and alphabetic characters, Kanji, Kana, Hiragana, symbols, binary, and control codes. Up to 7,089 characters can be encoded in one symbol. A QR Code symbol of this size can encode 300 alphanumeric characters.

Designed by Denso Wave in Japan for the automotive industry in 1998, Quick Response (QR) Code is a two-dimensional general-purpose matrix barcode that is intended for use on smaller labels. It was designed for faster scanning of information, and …

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QR codes, or "Quick Response Codes", are two-dimensional symbols that encode information quickly accessible via a scan. These codes can contain links, text, or other data visible using just a smartphone's camera.

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