Method and system for ensuring secure scrambling and...

Details Method and system for ensuring secure scrambling and... Method and system for ensuring secure scrambling and...

2011-06-07

2011-06-07

Dada, Beemnet W (Department: 2435)

Cryptography

Video cryptography

Video electric signal modification

C380S204000

Reexamination Certificate

active

07957530

ABSTRACT:
A process for secured distribution of vector visual sequences in at least two dimensions, animated and including a succession of frames containing at least one multidimensional geometric object to be displayed on a screen of a user and determined by at least one parameter including: analyzing the stream prior to transmission to addressee equipment to generate a modified main stream by deletion and replacement of information coding the original visual signal, having a format the same as the format of the original stream, but of which at least one frame was modified, and complementary information of any format including digital information suitable for permitting reconstruction of the modified frames, which modified main stream and which complementary information are transmitted separately to the addressee equipment.

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patent: 6233356 (2001-05-01), Haskell et al.
patent: 6445740 (2002-09-01), Mallart et al.
patent: 7319756 (2008-01-01), Oomen et al.
patent: 7382969 (2008-06-01), Dawson
patent: 2001/0053222 (2001-12-01), Wakao et al.
patent: 0 920 209 (1999-06-01), None
patent: WO 98/42098 (1998-09-01), None
patent: WO 0197520 (2001-12-01), None

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