Machine readable data

G - Physics – 06 – K

Patent

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Details

G06K 19/06 (2006.01)

Patent

CA 2535028

The invention is concerned with data channel of the background containing symbolic data marks, which include aggregate, constant number of dark elements in the whole record where the core is the recording medium such as paper or other carrier of the symbolic data marks printed on this media arranged into a grid on positions with periodically repeating properties in both horizontal and vertical directions, textual or graphical print, printed in overlay with data symbolic marks, elements of modulation of the record by graphic pattern. The invention relates to the system of creation and method of preparation of the data channel of the background.

L'invention porte sur une voie de données d'arrière plan contenant des marqueurs symboliques de données qui réunit un nombre constant d'éléments sombres du document entier comportant: un support d'enregistrement tel que du papier ou autre; des marqueurs symboliques de données disposés sur une grille à des positions présentant des propriétés périodiquement répétitives dans le sens horizontal et le sens vertical; des textes ou graphiques en surimpression avec les marqueurs symboliques; et des éléments de modulation des documents par des motifs graphiques. L'invention porte également sur le système de création et le procédé de préparation des voies de données d'arrière plan.

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