About this document

Barcode and QR Code Technology Overview by Lavlesh Jaiswal is a document available to read on EtoBox.

Barcodes and QR codes are machine-readable codes that contain information about an item. Barcodes were developed in the 1950s and became widely used in retail in the 1970s. QR codes were created in 1994 and have grown in use with smartphones. Both use patterns of bars and spaces that are scanned by devices and interpreted as data. Barcodes use light reflection while QR codes use images. They both contain quiet zones and error correction and are decoded using similar principles to retrieve the embedded infor

Author

Lavlesh Jaiswal

Language

EN