Information security – Prevention of unauthorized use of data including prevention... – Copy detection
Reexamination Certificate
2003-08-07
2008-12-23
Smithers, Matthew (Department: 2137)
Information security
Prevention of unauthorized use of data including prevention...
Copy detection
C726S026000, C713S176000
Reexamination Certificate
active
07469422
ABSTRACT:
Method for embedding a unique and different digital watermark in digital contents for each access without increasing the overhead or load at the contents server. The contents server has a digital watermark-embedded contents storage unit for storing a plurality of digital contents where a different digital watermark is embedded, and a fingerprint performing unit for, adding to the digital contents the information specified using a bit row that is formed by a digital watermark being embedded into each part of the digital contents.
REFERENCES:
patent: 5905800 (1999-05-01), Moskowitz et al.
patent: 5930369 (1999-07-01), Cox et al.
patent: 6330672 (2001-12-01), Shur
patent: 6373960 (2002-04-01), Conover et al.
patent: 6522766 (2003-02-01), Ratnakar
patent: 6654887 (2003-11-01), Rhoads
patent: 6768807 (2004-07-01), Muratani
patent: 6804779 (2004-10-01), Carroni et al.
patent: 6807285 (2004-10-01), Iwamura
patent: 6901515 (2005-05-01), Muratani
patent: 6944298 (2005-09-01), Rhoads
patent: 6954857 (2005-10-01), Pelly et al.
patent: 6999598 (2006-02-01), Foote et al.
patent: 7007166 (2006-02-01), Moskowitz et al.
patent: 7085396 (2006-08-01), Pelly et al.
patent: 7130443 (2006-10-01), Werner et al.
patent: 7398395 (2008-07-01), Epstein
patent: 2002/0006203 (2002-01-01), Tachibana et al.
patent: 2003/0009669 (2003-01-01), White et al.
patent: 2003/0065747 (2003-04-01), Sakamoto et al.
patent: 2004/0143742 (2004-07-01), Muratani
patent: 2005/0033965 (2005-02-01), Iwamura
patent: 2006/0020806 (2006-01-01), Yamashita et al.
Kamijoh Kohichi
Kobayashi Seiji
Kurokawa Masato
Morimoto Norishige
International Business Machines - Corporation
Pearson David J
Shimokaji & Associates P.C.
Smithers Matthew
LandOfFree
Contents server, contents receiving method for adding... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Contents server, contents receiving method for adding..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Contents server, contents receiving method for adding... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4036844