Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2005-10-11
2005-10-11
Barrón, Gilberto (Department: 2132)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C380S201000
Reexamination Certificate
active
06954856
ABSTRACT:
An apparatus and method for embedding additional information embeds plural pieces of additional information on a signal as electronic watermark information. In detail, plural pieces of additional information to be embedded on a signal are generated, the additional information is converted into electronic watermark information, the sizes of embedding parts for respective electronic watermark information are defined under control, and the electronic watermark information is embedded on the signal based on the control signal. Therefore, the additional information are embedded so that additional information having a higher significance degree can be more reliably and rapidly detected.
REFERENCES:
patent: 5809139 (1998-09-01), Girod et al.
patent: 5960081 (1999-09-01), Vynne et al.
patent: 5991426 (1999-11-01), Cox et al.
patent: 6246775 (2001-06-01), Nakamura et al.
patent: 6389032 (2002-05-01), Cohen
patent: 0 955 773 (1999-11-01), None
patent: 0 957 637 (1999-11-01), None
Kimura Hiroyuki
Kohashi Takashi
Moriyama Yoshiaki
Ogino Akira
Sugaya Kazumi
Barrón Gilberto
Frommer William S.
Frommer & Lawrence & Haug LLP
Gurshman Grigory
Hitachi , Ltd.
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