Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Protection at a particular protocol layer
Reexamination Certificate
2005-02-15
2005-02-15
Hua, Ly V. (Department: 2135)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Protection at a particular protocol layer
C713S152000, C713S152000, C709S215000, C709S226000, C709S217000, C725S093000
Reexamination Certificate
active
06857077
ABSTRACT:
In order to restrict data access in a receiver/decoder, a plurality of sets of access rights are assigned to the data, each set of access rights being assigned to at least one party. The data, the sets of access rights and an identifier for each party are stored in a memory of the receiver/decoder. The identifier of a party requesting access to the data is compared with the or each identifier stored in the memory, and the party provided with the set of access rights assigned thereto in the memory of the receiver/decoder.
REFERENCES:
patent: 5485196 (1996-01-01), Nathan et al.
patent: 5659777 (1997-08-01), Iwasaki et al.
patent: 5867656 (1999-02-01), Iwasaki et al.
patent: 5926624 (1999-07-01), Katz et al.
patent: 6308273 (2001-10-01), Goertzel et al.
patent: 195 11 298 (1996-10-01), None
patent: 0 809 401 (1997-11-01), None
patent: 0 820 193 (1998-01-01), None
Helen Custer, Inside Windows NT, Microsoft Press, A Divsion of Microsoft Corporation, 1993.
Choulette Denis
Liao Hongtao
Hua Ly V.
Osha & May L.L.P.
Thomson Licensing S. A.
LandOfFree
Management of data in a receiver/decoder does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Management of data in a receiver/decoder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Management of data in a receiver/decoder will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3481647