Patent ID: 7783323

Claim:
A mobile telecommunications device comprising: a printer module for printing web page data onto a print medium, said print medium including pre-printed first coded data in a first format and second coded data in a second format, the first coded data encoding first information and the second coded data encoding second information, at least some of the first information being indicative of the print media identifier, the first format being a linear data track, at least some of the second information being indicative of the print media identifier, at least part of a digital signature associated with the print media identifier and of a two-dimensional coordinate grid, the second format being a two-dimensional pattern; an optical decoder for reading said data track during printing onto the print medium; a processor for decoding the read data track and determining the print media identifier; communication means for communicating the print media identifier to a computer system where the print media identifier is associated with the printed web page data; a sensor module for sensing and decoding the second coded data encoded on the print medium, wherein the processor is further configured for: determining the print media identifier and at least part of the digital signature from the decoded second coded data, for determining whether the digital signature is authentic and for retrieving the web page data associated with the print media identifier from a storage medium if the digital signature is authentic.