Patent ID: 7385595
Filing Date: 2008-06-10
Classification: G06F,G06K

Abstract:
1. A system for electronic recording of handwritten or hand-drawn information, comprising: an electronic pen which is intended to be moved in desired pen movements across at least one base and to register the pen movements as a plurality of digital pen strokes; and a processing device for receiving registered digital pen strokes from the electronic pen, the digital pen strokes including a first type, which is processed by the processing device as graphical information constituting said information to be recorded, and a second type, which is processed by the processing device as an indication of a property of digital pen strokes of the first type, the electronic pen further comprising: session-determining means adapted to detect a current working session of the pen; wherein, upon transmission of the digital pen strokes to the processing device, the electronic pen is arranged to indicate during which working session the respective digital pen strokes have been input; and wherein, upon processing of the digital pen strokes, the processing device is arranged to detect that a certain digital pen stroke is indicated as having been input during a different working session than a preceding digital pen stroke and, as a consequence of this, to restore the property for successive digital pen strokes of the first type to an initial or default state.