Ways to Link Back to This Site

The followings are quick response codes (QR Code) that stores information, addresses or Uniform Resource Locators (URLs).  

Users with a camera phone and a code reader application can scan the QR Code Image to display information or link to a web page.

TonyLeung.Info	Tony Leung Awards
Tony Leung Discussion Board (Current)	Tony Leung Discussion Board (2003-2012)
Tony Leung Chinese Articles	Tony Leung Chinese Magazines

• The technical specifications for a QR Code are set in the ISO-18004 standard.
• A QR Code (it stands for "Quick Response") is a mobile phone readable barcode.
• Version 1 QR Code is a 21x21 array of data elements (25 characters). 
• The average resolution of present-day camera is about the size of the data modules (dots) on a QR Code of Version 5 or above (37x37).
• When creating a QR Code intended for use with mobile phones it's best to stick to Version 4 or lower (100 characters), and a QR Code symbol of at least 2cm (0.85inches) across.
• The largest standard QR Code is a Version 40 symbol that 177x177 modules in size and can hold up 4296 characters of alphanumeric data (theoretically) compared to 25 characters for a Version 1 QR Code.

More Links:

• http://www.qr-code-generator.com/
• https://www.the-qrcode-generator.com/
• http://www.qrcode.com/en/
• http://en.wikipedia.org/wiki/QR_code