System for digitizing freehand graphics on a printed surface

Details System for digitizing freehand graphics on a printed surface System for digitizing freehand graphics on a printed surface

2009-02-01

2010-11-16

Frech, Karl D. (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

C235S375000, C235S487000

Reexamination Certificate

active

07832640

ABSTRACT:
A system for digitizing a freehand graphic. The system comprises: a base including a surface; a position-coding pattern printed on the surface and detectable by an optical sensor; a first area of the surface; and a second area of the surface. The system further comprises a drawing device including an optical sensor for detecting a position in the position-coding pattern; and a transmitter for transmitting interaction data to a processor. The interaction data identifies the detected position. The processor is adapted to determine if the detected position is in the first area or the second area. If the detected position is in the first area of the surface, then the processor interprets the position as a point in the freehand graphic. If the detected position is in the second area of the surface, then the processor interprets the position as a selection of a property for the freehand graphic.

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Dymetman, M., and Copperman, M., “Intelligent Paper in Electronic Publishing, Artist Imaging, and Digital Typography, Proceedings of EP '98”, Mar./Apr. 1998, Springer Verlag LNCS 1375, pp. 392-406.

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