QR codes

GPTKB entity

Statements (63)
Predicate Object
gptkbp:instanceOf barcode
gptkbp:accessibleBy smartphones
QR code scanners
gptkbp:alternativeName gptkb:Quick_Response_code
gptkbp:canBePrintedOn gptkb:newspaper
screens
gptkbp:canBeUsedOffline yes
gptkbp:canBeUsedOnline yes
gptkbp:canStore gptkb:text
URLs
Wi-Fi credentials
calendar events
contact details
email addresses
geolocation data
payment information
phone numbers
gptkbp:capacity 1,817 kanji characters
2,953 bytes
4,296 alphanumeric characters
7,089 numeric characters
gptkbp:color yes
gptkbp:customs yes
gptkbp:developedBy gptkb:Denso_Wave
gptkbp:encodes alphanumeric
numeric
kanji
byte/binary
gptkbp:encryption yes
gptkbp:errorDetection gptkb:Reed–Solomon_error_correction
gptkbp:hasFeature quiet zone
alignment patterns
data and error correction keys
format information
position detection patterns
timing patterns
gptkbp:hasVersion Version 1 to Version 40
https://www.w3.org/2000/01/rdf-schema#label QR codes
gptkbp:introducedIn 1994
gptkbp:legalStatus patent expired
gptkbp:license public domain
gptkbp:popularFor gptkb:China
gptkb:Japan
worldwide
gptkbp:relatedTo gptkb:Aztec_Code
gptkb:Data_Matrix
gptkb:PDF417
barcodes
gptkbp:standardizedBy gptkb:ISO/IEC_18004
gptkbp:usedFor gptkb:museum
marketing
authentication
document management
mobile payments
item identification
product tracking
website links
gptkbp:bfsParent gptkb:Algebraic_Coding_Theory
gptkb:Error_Detecting_and_Error_Correcting_Codes
gptkb:App_Clips
gptkb:Reed-Solomon_coding
gptkb:EMV_QR_Code
gptkbp:bfsLayer 5