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QR code is a type of two-dimensional barcode invented in 1994 by a Japanese company for labelling automobile parts. It can store data for various purposes, such as web tracking, product identification, and mobile tagging, and can be scanned by imaging devices like cameras.
A barcode reader is an optical scanner that can read printed barcodes and send the data they contain to computer. Learn about different types of barcode readers, such as pen, laser, CCD, camera and omnidirectional scanners, and how they are used in various applications, such as retail, inventory, movies, music and more.
Nokia's Symbian operating system features a scanner which can scan mobile tags, [2] while mbarcode [3] is a reader for the Maemo operating system. In the Apple iOS, a mobile tagging reader is natively included in the iOS 11 update through the camera app, although there are more than fifty paid and free apps are available with both scanning ...
Learn about the invention, development and applications of barcodes, a method of representing data in a visual, machine-readable form. Find out how barcodes evolved from linear to 2D, and how they are used in supermarkets, railroads and other industries.
Barcode Scanner is an Android app that scans barcodes or 2D barcodes and retrieves the data encoded. It is part of the open-source project ZXing, which also provides a library for barcode recognition and generation.
Barcode library or Barcode SDK is a software library that can be used to add barcode features to desktop, web, mobile or embedded applications. Barcode library presents sets of subroutines or objects which allow to create barcode images and put them on surfaces or recognize machine-encoded text / data from scanned or captured by camera images with embedded barcodes.
Learn about the history, usage and benefits of QR code payment, a mobile payment method where payment is performed by scanning a QR code from a mobile app. Find out how QR code payment works in different industries and countries, and how it is integrated across ASEAN.
The first mark sense scanner was the IBM 805 Test Scoring Machine; this read marks by sensing the electrical conductivity of graphite pencil lead using pairs of wire brushes that scanned the page. In the 1930s, Richard Warren at IBM experimented with optical mark sense systems for test scoring, as documented in US Patents 2,150,256 (filed in ...
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