Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-06-30
2010-11-23
Elisca, Pierre Eddy (Department: 3714)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S051000, C705S057000, C380S201000, C380S278000, C380S282000, C713S193000
Reexamination Certificate
active
07840489
ABSTRACT:
According to one embodiment, a method comprises generating a cryptographic key and sharing the cryptographic key with a plurality of digital rights management (DRM) systems supplied by different providers. This provides flexibility in using any DRM system by media receiving devices targeted to receive media.
REFERENCES:
patent: 4802215 (1989-01-01), Mason
patent: 4803725 (1989-02-01), Horne et al.
patent: 5091936 (1992-02-01), Katznelson et al.
patent: 5742680 (1998-04-01), Wilson
patent: 5850218 (1998-12-01), LaJoie et al.
patent: 5897218 (1999-04-01), Nishimura et al.
patent: 5917915 (1999-06-01), Hirose
patent: 6028932 (2000-02-01), Park
patent: 6061451 (2000-05-01), Muratani et al.
patent: 6105134 (2000-08-01), Pinder et al.
patent: 6125349 (2000-09-01), Maher
patent: 6157719 (2000-12-01), Wasilewski et al.
patent: 6166780 (2000-12-01), Bray
patent: 6307939 (2001-10-01), Vigarie
patent: 6330672 (2001-12-01), Shur
patent: 6487646 (2002-11-01), Adams et al.
patent: 6609039 (2003-08-01), Schoen
patent: 6824051 (2004-11-01), Reddy et al.
patent: 6834110 (2004-12-01), Marconcini et al.
patent: 7039614 (2006-05-01), Candelore
patent: 7107462 (2006-09-01), Fransdonk
patent: 7233668 (2007-06-01), Weinstein et al.
patent: 7702589 (2010-04-01), Candelore
patent: 2002/0186843 (2002-12-01), Weinstein et al.
patent: 2003/0076955 (2003-04-01), Alve et al.
patent: 2003/0161476 (2003-08-01), Fransdonk
patent: 2003/0217011 (2003-11-01), Peinado et al.
patent: 2006/0210084 (2006-09-01), Fransdonk
patent: 2003330897 (2003-11-01), None
Electronic Industries Alliance, “EIA Standard, Digital Television (DTV) Closed Captioning” Dec. 1999, EIA-708-B.
“U.S. Appl. No. 09/437,590”,Office Action mailedMay 21, 2002.
“U.S. Appl. No. 09/437,590”,Office Action mailedOct. 29, 2002.
“U.S. Appl. No. 09/437,590”,Final Office Action mailedMay 20, 2003.
“U.S. Appl. No. 09/437,590”,Office Action mailedDec. 5, 2003.
“U.S. Appl. No. 09/437,590”,Final Office Action mailedJun. 3, 2004.
“U.S. Appl. No. 10/209,341”,Office Action mailedMar. 17, 2004.
“U.S. Appl. No. 10/209,341”,Final Office Action mailedJun. 8, 2004.
“U.S. Appl. No. 10/209,341”,Office Action mailedJan. 13, 2005.
“U.S. Appl. No. 10/209,341”,Office Action mailedJan. 4, 2006.
“U.S. Appl. No. 10/209,341”,Office Action mailedJun. 19, 2006.
“U.S. Appl. No. 10/209,341”,Office Action mailedDec. 18, 2006.
“U.S. Appl. No. 10/209,341”,Office Action mailedJul. 26, 2007.
“U.S. Appl. No. 10/209,341”,Office Action mailedJan. 10, 2008.
“U.S. Appl. No. 10/209,341”,Final Office Action mailedAug. 7, 2008.
Benini, Luca , et al., “Energy-Efficient Data Scrambling on Memory Processor Interfaces”,ISLPED'03, Aug. 25-27, 2003, Seoul, Korea.
Blakely , Sokoloff, Taylor & Zafman LLP
Elisca Pierre Eddy
Kamal Shahid
Sony Corporation
Sony Electronics Inc.
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