GERAET ZUR ERZEUGUNG UND GERAET ZUM LESEN EINES DIGITALEN WASSERZEICHENS SOWIE METHODE ZUR ERZEUGUNG UND ZUM LESEN EINES DIGITALEN WASSERZEICHENS

WO 9957623 A UPAB: 20040629 NOVELTY - The program code interpreter reads the digital watermark and executes the program code included in the watermark obtained from digital watermark information. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) a method for reading digital watermark; and (2) a method of creating the digital watermark. USE - For digital watermark apparatus. ADVANTAGE - Preserves authentication, even if digital representation is output in analog form, thereby management of digital representation is very flexible. The program code can be written in any programming language.