75803218
Sep 20, 1999
STENANOGRAPHY COMPUTER SYSTEMS COMPRISING COMPUTER HARDWARE AND SOFTWARE FOR USE IN DIGITAL WATERMARKING, NAMELY, COMPUTER HAREWARE AND SOFTWARE FOR EMBEDDING DIGITAL WATERMARKS INTO DIGITAL IMAGES; COMPUTER SOFTWARE USED TO READ DIGITAL WATERMARKS EMBEDDED INTO DIGITAL IMAGES; AND DIGITAL IMAGES CONTAINING DIGITAL WATERMARKS EMBEDDED THEREIN
Electrical and Scientific Apparatus