Information code including redundant information providing...

Details Information code including redundant information providing... Information code including redundant information providing...

2003-10-31

2009-10-13

Lee, Seung H (Department: 2887)

Registers

Records

Particular code pattern

C235S454000

Reexamination Certificate

active

07600693

ABSTRACT:
In an information code which is arranged to redundantly code at least one first information element by means of a first information element, one or more of the marks can be omitted for the coding of at least one additional information element. In addition, copy protection can be created for an information code that codes at least one first information element by means of a plurality of marks by the addition of at least one interference mark whose optical characteristics differ from those of the marks in the information code. After copying, all the marks will have the same optical characteristics.

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