Implement for optically inferring information from a planar...

G - Physics – 06 – F

Patent

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Details

G06F 3/033 (2006.01) G06F 3/03 (2006.01) G06K 11/06 (2006.01)

Patent

CA 2517168

The present invention relates to a jotting implement that infers hand-jotted information from a jotting surface. The hand-jotted information is any information marked on the jotting surface as a result of writing, jotting, drawing, sketching, or in any other manner of marking or depositing marks on the jotting surface. Hand-jotted information is also information traced on the jotting surface without leaving any markings thereon or otherwise produced by the motions executed by the jotting implement with respect to the jotting surface while in contact with the jotting surface. The jotting implement has a nib for jotting and an arrangement for determining when the nib is jotting on the jotting surface. Further, the implement has an optical unit for viewing the jotting surface. The implement also has a processing unit for receiving optical data of said jotting surface from the optical unit and determining from it the physical coordinates of the nib with respect to at least one corner of the jotting surface and at least one edge of the jotting surface and/or other landmarks or optically recognizable features on the jotting surface.

La présente invention concerne un accessoire permettant d'inférer des informations portées manuellement sur une surface graphique. Par informations portées manuellement, on entend toute information marquée sur une surface ad hoc sous forme de lettres, de notes, de dessins, d'esquisses ou par toute autre manière de marquage ou de réalisation de marques sur la surface graphique, ou bien d'informations tracées sur la surface graphique sans traces ou encore produites par l'accessoire de marquage sur la surface graphique avec laquelle il est en contact. L'accessoire comporte une pointe de marquage et un dispositif permettant de déterminer si la pointe marque sur la surface graphique. De plus, il est équipé d'une unité optique permettant de visualiser la surface graphique. Il possède également une unité de traitement qui reçoit des données optiques de l'unité optique sur ladite surface graphique et en déduit les coordonnées physiques de la pointe par rapport à au moins un coin et au moins un bord de la surface graphique et/ou d'autres repères ou caractéristiques optiquement reconnaissables de la surface graphique.

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