History has it that QR code originated from Japan in 1994 by Masahiro Hara in WAVE DENSO subsidiary of Toyota company.
Invented to enable fast high-speed component scanning by helping track vehicles when manufacturing.
Although, barcode was trending back then in Japan as early as 90s.
Supermarket and renowned stock management industries were having difficulty towards its usage.
Because it could encode not fewer than 20 alphanumerical characters. Also, it’s 1D (1demensional) in nature.
Research upon research started to develop better and faster technology to manage stock in big stores and supermarket.
When WAVE DENSO automobile invented QR Code it became acceptable by supermarket and grocery stores. Though not really invented for general use.
For transaction purposes in the supermarket. Since pieces of information will be transited from media to quickly read on cell phone.
It was design or invented to replace Barcode slow transaction process and limitation.
Wave Denso automobile company team first launched QR code after severally trials in 1994. However, it was meant for the company’s usages.
What exactly is QR code?
It means quick response code.
Since QR Code 2 dimensional code(2D), it has very high speed reading capacity and error correction ability. A trade mark typical of matrix barcode.
“Barcode is machine-readable optical label that contains information about the item to which it is attached.”
Very unique regarding its performance, alongside kanji representation.
Barcode was very slow following its ability to hold only 20 alpha numerical characters.
But QR code holds up to 7089 digits with other special characters.
The need to count high speed data with barcode scanning which requires efficient performance for scientist or manufacturer’s. Made Denso Team lead by Masahiro decided to take the bull by the horn.
Though, many challenges came in the process of invention with many critics opposing QR code idea.
After its invention, royalty was made free to enable its usage reach global audience.
Admittedly, many industries started integrating this QR code into their system making barcode usage gradually going into extinction. Since its has ability to read pieces of media information quickly on cell phone its popularity became widespread.
From Japan to Asia and moved gradually to the rest of world. Now we have many versions of it across the globe. Still having more.
This technology was first brought into Smartphone by Nokia in 2002, then other smart phone companies followed suit.
Features of QR code
It can read about 7000 digits correctly with other special characters.
It can compress data to reasonable size thereby reducing space.
Represent data in 1/30space against barcode
Up to 30% of damage code words recovery
It can effectively contain kanji representation which is Japanese characters.
High density and high speed reading with error correction ability.
Variations On QR Codes
Many variation of QR Codes are listed below
- Frame QR Code
- IQR Code
- Micro QR Code
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QR Code Application
- Air ticket by Airway cooperation to enable passengers board flight through QR Code scan.
- Process food and supermarket uses QR Code for feedback, stock management, product tracking and receipts.
- Contact lens management system.
- Patient identification in health sector help to identify patient health history, ailment and record.
- Business card information that help professional share sample work and profile.
- Social media profile to enable company and client check your profile.
- Website uses QR Code to create user login and authentication.
- Surgical instrument numbering and tracking.
- Email addresses of individuals or cooperate organization.
- Blood test sheet data scanning to know blood group and specimen.
- Telecoms as means of scanning devices to get details information about the device, apps links and customer support.
- Textile industry embedded QR Code to help customers scan to know authenticity of the fabric.
QR Code usage is endless, as the application kept increasing by the
Day through technological advancement.
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Advantages of QR Code
It reduces space thereby occupying more data.
It has large density and high speed reading ability.
Error correction ability without issues.
Usage is absolutely free.
360- degree reading ability making it better than barcode.
Has alphanumerical character and other special characters.
Ten times better than any other barcode.
If I were to write all about QR Code this article will never be exhausted.
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