Patent ID: 7150396
Filing Date: 2006-12-19
Classification: B41J,B42C,B42P,B65H,G06F,G06K,G06Q,G07F,H04N

Abstract:
1. A user interface for use with a networked printer and computer system, the user interface comprising a sheet of media printed with both visible and invisible ink, such that the visible ink indicates information for a user and the invisible ink depicts coded data, the invisible ink being detectable with a sensor that is configured to generate a signal carrying said coded data that is received by a computer system connected to the printer, in use, wherein the coded data is represented by an array of printed tags which cover at least a portion of the sheet of media, the tags having at least one common target structure and each tag having at least one data area with coded data representing at least one set of bits that define at least one of: