Recording method and apparatus

Details Recording method and apparatus Recording method and apparatus

G - Physics

06

K

G06K 9/22 (2006.01) G06K 9/62 (2006.01) H04N 1/047 (2006.01) H04N 1/107 (2006.01) H04N 1/195 (2006.01)

Patent

CA 2270477

In a method for recording a selected sequence of characters with the aid of a pen, the latter is passed over the sequence of characters and a plurality of images, whose contents partially overlap, are recorded simultaneously with the aid of a light-sensitive sensor (8) with a two-dimensional sensor surface. The recorded images are put together, horizontally as well as vertically, into an image. Subsequently, the characters in the composite image are identified and stored in the pen with the aid of a predetermined character code format. The putting-together, the character identification, and the storing are carried out with the aid of a signal processing unit (20-24). By the method and the pen compensation is obtained for different speeds of movement and different angles of rotation of the pen.

L'invention concerne un procédé d'enregistrement d'une séquence sélectionnée de caractères à l'aide d'un crayon contenant un détecteur photosensible (8) doté d'une surface détectrice bidimensionnelle. En passant le crayon sur la séquence de caractères, on enregistre simultanément grâce au détecteur photosensible (8) une pluralité d'images dont les contenus se chevauchent partiellement. Les images enregistrées sont regroupées, horizontalement et verticalement, pour former une image. Ensuite, les caractères de l'image recomposée sont identifiés et mémorisés dans le crayon à l'aide d'un format de code de caractères prédéterminé. Le regroupement, l'identification des caractères et l'enregistrement sont effectués à l'aide d'un processeur de signaux (20-24). Ce procédé et ce crayon permettent de compenser les différentes vitesses de mouvement et les différents angles de rotation du crayon.

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