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| Number | Title | Issue Date |
| 7868878 | Optical system, an analysis system and a modular unit for an electronic pen A modular unit is designed for an electronic pen. The modular unit comprises a carrier (70) with a receiver for a writing implement, a printed circuit board (72), a two-dimensional radiation sensor (78) mounted on the printed circuit board, and ... | 01/11/2011 |
| 7865043 | Method, apparatus, computer program and storage medium for recording a movement of a user unit A position code is recorded by capturing a sequence of images while writing on the base with a user unit. The position code may be decoded to a sequence of absolute positions reflecting the movement of the user unit over the base. If the position code in any image i... | 01/04/2011 |
| 7710408 | Centralized information management based upon position information A system for information management comprises a central unit and a plurality of user units which are arranged to record information and send the information to the central unit. Particulars are stored in the central unit about a plurality of regions, each of which r... | 05/04/2010 |
| 7671850 | Electronic pen An electronic pen has a body which comprises a casing consisting of at least two casing parts which are joined to be separable, and electronic equipment arranged inside the casing. A girdle is arranged with a close fit round the joined casing parts. The casing and t... | 03/02/2010 |
| 7649637 | Method for printing a global position-coding pattern The invention relates to a method for generating a printout of a section of a global position-coding pattern in a system comprising a computer unit and a printer unit connected to the computer unit. The method is characterized by the steps of generating in the compu... | 01/19/2010 |
| 7600693 | Information code including redundant information providing copy protection In an information code which is arranged to redundantly code at least one first information element by means of a first information element, one or more of the marks can be omitted for the coding of at least one additional information element. In addition, copy prot... | 10/13/2009 |
| 7588191 | Product provided with a coding pattern and apparatus and method for reading the pattern A product provided with a coding pattern which comprises a plurality of marks, each of which represents one of at least two different values, and which further comprises a plurality of nominal positions, each of said plurality of marks being associated with a nomina... | 09/15/2009 |
| 7543753 | Reconstruction of virtual raster A method aims at identifying, starting from objects in a digital image, a virtual raster included in a coding pattern. The objects in the image at least partially reproduce marks on a base, each mark being associated with a respective point of intersection of raster... | 06/09/2009 |
| 6927764 | Recording and communication of handwritten information A hand-held user unit (1), which can be part of a network-based information management system, allows for the writing down and recording of handwritten information. The user unit (1) has a memory for storing the recorded information. The memory compris... | 08/09/2005 |
| 6698660 | Electronic recording and communication of information In a method of recording and managing information, information is written on a product using a handheld writing device, the handwritten information being recorded electronically and at least partly communicated in a communication network. Moreover, the us... | 03/02/2004 |
