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DÉTERMINATION DE LA DIRECTION D'ÉCRITURE AU MOYEN DE CAPTEURS INERTIELS
DÉTERMINATION DE LA DIRECTION D'ÉCRITURE AU MOYEN DE CAPTEURS INERTIELS
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摘要
The invention relates to Electronic pen (100) with pen position detection, comprising at least a writing lead, at least one electric voltage source, at least one digital processing unit, at least one data transfer module, and an inertial position detection sensor system for determining the location and movement of the electronic pen (100), wherein the electronic pen (100) is configured for an initial specification of a writing coordinate system with two axes X, Y (107, 108) being orthogonal to each other on a two-dimensional writing substrate (106) and with an axis Z being perpendicular to the two- dimensional writing substrate, characterized in that the inertial position detection sensor system is configured for the determination of accelerations and acceleration profiles of the electronic pen along the X-axis (107) and along the Y-axis (108) for a plurality of pairs of different axis orientations of the X-axis and Y-axis on the writing substrate (106), whereby for each pair of axis orientations, the axis orientation of the X-axis (107) and the axis orientation of the Y- axis (108) are orthogonal to each other, and wherein the digital processing unit is configured for determining a writing direction based on the determination of at least one characteristic property of an acceleration profile (312) determined by the inertial position detection sensor system.
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