A method and system for correcting alignment and linearity errors in devices using a finger or stylus input device with a display device interactively coupled to a digitizer is disclosed. Touching intersections in a calibration grid on the display device may be performed to create a linearity map. Subsequently,...http://www.google.fr/patents/US7106311?utm_source=gb-gplus-shareBrevet US7106311 - Correction of alignment and linearity errors in a stylus input system
Correction of alignment and linearity errors in a stylus input system
