Method of enabling data entry using substrate comprising...

Incremental printing of symbolic information – Ink jet – Medium and processing means

Reexamination Certificate

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Details

Other Related Categories

C347S101000, C428S032100

Type

Reexamination Certificate

Status

active

Patent number

07946701

Description

ABSTRACT:
A method of enabling entry of data into a computer system via a printed substrate. The substrate has a surface containing human-readable information and machine-readable coded data. The coded data is indicative of an identity of the substrate and of a plurality of reference points on the surface. The method includes the steps of: operatively positioning a sensing device relative to the surface and sensing the coded data; generating indicating data using the sensed coded data; and sending the indicating data to a computer system. The coded data comprises an IR-absorbing dye having a nitrogen-substituted phthalocyanine.

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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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