What is a QR Code?

Brief Description of QR BarCodes

 

According to Wikipedia, a QR code (abbreviated from Quick Response code) is a specific matrix barcode (or two-dimensional code) that is readable by dedicated QR barcode readers and camera telephones. The code consists of black modules arranged in a square pattern on a white background. The information encoded may be text, URL, or other data. The QR code was designed to allow its contents to be decoded at high speed.

 

Linked Parks QR Codes

 

Who use QR Codes?

 

QR codes are used in convenience-oriented applications aimed at mobile phone users (termed mobile tagging). QR codes may be used to display text to the user, to add a vCard contact to the user's device, to open a website address, or to compose an e-mail or text message. Users can generate and print their own QR codes for others to scan and use by visiting one of several paid and free QR code generating sites or apps.

 

Which mobile phones can read QR Codes?

 

Users with a camera phone equipped with the correct reader app can scan a QR code to display text, contact information, connect to a wireless network, or open a web page in the telephone's browser.

 

- QR codes can be used in Google's mobile Android operating system via both their own Google Goggles application or 3rd party barcode scanners like ZXing or Kaywa.

 

- Nokia's Symbian operating system is provided with a barcode scanner, which is able to read QR codes, while mbarcode is a QR code reader for the Maemo operating system. Note: I use UpCode on a Nokia E5. It's free to download from OVI Store and easy to use.

 

- In the Apple iOS, a QR code reader is not natively included, but more than fifty paid and free apps are available with reader and metadata browser URI redirection ability.

 

- With BlackBerry devices, the App World application can natively scan QR codes and load any recognized Web URLs on the device's Web browser.

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